Harmonic (HLIT)
Harmonic on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, financials, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as radio & tv broadcasting & communications equipment.
6.9M
Short interest
settlement 2026-10-15
4.7
Days to cover
+0.3 days vs prior
48.6%
Short share of volume
2026-10-28
2,691
Fails to deliver
settlement 2026-09-17
Mon 2 Nov
Next earnings
estimated date
$0
Insider flow, 90 days
0 buys, 0 sells
As of 2026-10-28.
Short interest
FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSONAs of 15 October 2026, short interest in HLIT is 6,939,939 shares, up 628,246 shares over the last month. Over the last 48 readings it ranged from 1,840,867 shares (28 November 2025) to 6,939,939 shares (15 October 2026). The latest reading sits at the top of that range. At the reported average volume of 1.5M shares a day that is 4.7 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 6,939,939 | +1.8% | 1,465,960 | 4.73 |
| 2026-09-30 | 6,818,056 | +8.0% | 1,533,919 | 4.44 |
| 2026-09-15 | 6,311,693 | +8.1% | 1,242,148 | 5.08 |
| 2026-08-31 | 5,839,573 | -0.5% | 1,361,777 | 4.29 |
| 2026-08-14 | 5,870,503 | +0.7% | 2,019,345 | 2.91 |
| 2026-07-31 | 5,829,620 | +17.9% | 1,394,403 | 4.18 |
| 2026-07-15 | 4,945,830 | -13.0% | 1,648,518 | 3.00 |
| 2026-06-30 | 5,687,295 | +45.2% | 2,743,826 | 2.07 |
| 2026-06-15 | 3,917,051 | -10.5% | 3,381,353 | 1.16 |
| 2026-05-29 | 4,377,806 | +41.6% | 6,952,050 | 1.00 |
| 2026-05-15 | 3,092,078 | -0.7% | 2,552,353 | 1.21 |
| 2026-04-30 | 3,115,172 | +10.4% | 1,078,411 | 2.89 |
| 2026-04-15 | 2,820,799 | -7.7% | 875,964 | 3.22 |
| 2026-03-31 | 3,054,712 | +2.3% | 1,201,237 | 2.54 |
| 2026-03-13 | 2,986,418 | +17.9% | 1,194,420 | 2.50 |
| 2026-02-27 | 2,531,997 | -0.7% | 1,365,882 | 1.85 |
| 2026-02-13 | 2,548,727 | -6.5% | 810,268 | 3.15 |
| 2026-01-30 | 2,727,430 | -1.3% | 948,537 | 2.88 |
| 2026-01-15 | 2,764,292 | +26.4% | 1,026,587 | 2.69 |
| 2025-12-31 | 2,187,003 | -1.2% | 975,417 | 2.24 |
| 2025-12-15 | 2,214,323 | +20.3% | 1,183,576 | 1.87 |
| 2025-11-28 | 1,840,867 | -1.6% | 1,109,537 | 1.66 |
| 2025-11-14 | 1,870,997 | -15.7% | 1,031,990 | 1.81 |
| 2025-10-31 | 2,218,991 | -0.7% | 634,178 | 3.50 |
| 2025-10-15 | 2,234,311 | +0.1% | 856,605 | 2.61 |
| 2025-09-30 | 2,232,246 | -4.5% | 716,529 | 3.12 |
| 2025-09-15 | 2,336,401 | -5.8% | 884,556 | 2.64 |
| 2025-08-29 | 2,480,071 | -3.7% | 1,200,573 | 2.07 |
| 2025-08-15 | 2,575,941 | +6.8% | 1,043,913 | 2.47 |
| 2025-07-31 | 2,411,061 | +15.9% | 1,318,200 | 1.83 |
| 2025-07-15 | 2,080,299 | +12.9% | 1,489,659 | 1.40 |
| 2025-06-30 | 1,842,306 | -14.5% | 1,191,954 | 1.55 |
| 2025-06-13 | 2,153,889 | +1.3% | 663,344 | 3.25 |
| 2025-05-30 | 2,125,825 | -6.1% | 591,633 | 3.59 |
| 2025-05-15 | 2,262,921 | -19.5% | 881,363 | 2.57 |
| 2025-04-30 | 2,812,596 | -6.9% | 1,126,273 | 2.50 |
| 2025-04-15 | 3,022,394 | +8.3% | 1,268,134 | 2.38 |
| 2025-03-31 | 2,791,112 | +19.6% | 974,284 | 2.86 |
| 2025-03-14 | 2,333,028 | +0.9% | 1,292,544 | 1.80 |
| 2025-02-28 | 2,312,638 | -2.3% | 1,436,343 | 1.61 |
| 2025-02-14 | 2,367,319 | -2.5% | 2,105,032 | 1.12 |
| 2025-01-31 | 2,428,410 | -17.4% | 1,048,125 | 2.32 |
| 2025-01-15 | 2,939,525 | -3.6% | 901,984 | 3.26 |
| 2024-12-31 | 3,049,157 | -1.7% | 1,177,890 | 2.59 |
| 2024-12-13 | 3,101,423 | -8.7% | 897,982 | 3.45 |
| 2024-11-29 | 3,396,141 | -13.4% | 797,785 | 4.26 |
| 2024-11-15 | 3,919,823 | -2.2% | 1,204,168 | 3.26 |
| 2024-10-31 | 4,008,231 | +9.3% | 1,593,959 | 2.51 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 28 October 2026, the short share of HLIT volume is 48.6%, up 23.1 points over the last five sessions. Over the last 30 readings it ranged from 25.5% (21 October 2026) to 62.7% (16 October 2026). The latest reading is in line with the 30-session average of 50.1%, on 412K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-10-28 | 200K | 412K | 48.6% | 966 |
| 2026-10-27 | 175K | 355K | 49.4% | 0 |
| 2026-10-26 | 203K | 377K | 53.9% | 0 |
| 2026-10-23 | 161K | 385K | 41.7% | 570 |
| 2026-10-22 | 297K | 577K | 51.5% | 477 |
| 2026-10-21 | 183K | 717K | 25.5% | 100 |
| 2026-10-20 | 177K | 318K | 55.8% | 4 |
| 2026-10-19 | 313K | 521K | 60.1% | 301 |
| 2026-10-16 | 409K | 652K | 62.7% | 4,697 |
| 2026-10-15 | 476K | 767K | 62.0% | 743 |
| 2026-10-14 | 244K | 408K | 59.8% | 0 |
| 2026-10-13 | 174K | 334K | 52.0% | 0 |
| 2026-10-12 | 188K | 474K | 39.6% | 418 |
| 2026-10-09 | 180K | 422K | 42.8% | 139 |
| 2026-10-08 | 157K | 312K | 50.3% | 118 |
| 2026-10-07 | 164K | 303K | 54.0% | 0 |
| 2026-10-06 | 152K | 335K | 45.5% | 0 |
| 2026-10-05 | 174K | 372K | 46.7% | 224 |
| 2026-10-02 | 285K | 609K | 46.8% | 271 |
| 2026-10-01 | 228K | 517K | 44.0% | 0 |
| 2026-09-30 | 138K | 409K | 33.6% | 0 |
| 2026-09-29 | 143K | 276K | 51.8% | 0 |
| 2026-09-28 | 115K | 269K | 42.7% | 90 |
| 2026-09-25 | 156K | 282K | 55.3% | 86 |
| 2026-09-24 | 271K | 472K | 57.4% | 0 |
| 2026-09-23 | 140K | 275K | 51.1% | 0 |
| 2026-09-22 | 194K | 377K | 51.4% | 266 |
| 2026-09-21 | 217K | 468K | 46.5% | 0 |
| 2026-09-18 | 301K | 483K | 62.4% | 6,015 |
| 2026-09-17 | 456K | 771K | 59.2% | 1,063 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 17 September 2026, the fails-to-deliver balance in HLIT is 2,691 shares, up 2,690 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (1 September 2026) to 82,342 shares (20 March 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-17 | 2,691 | $11.15 | $30K |
| 2026-09-01 | 1 | $11.98 | $12 |
| 2026-08-11 | 824 | $11.60 | $10K |
| 2026-08-10 | 257 | $11.84 | $3K |
| 2026-08-04 | 366 | $11.80 | $4K |
| 2026-07-10 | 500 | $14.14 | $7K |
| 2026-07-01 | 37 | $16.33 | $604 |
| 2026-06-30 | 2,775 | $15.76 | $44K |
| 2026-06-26 | 2,786 | $14.85 | $41K |
| 2026-06-22 | 1,300 | $15.08 | $20K |
| 2026-06-15 | 601 | $14.93 | $9K |
| 2026-06-08 | 864 | $13.27 | $11K |
| 2026-06-02 | 739 | $15.81 | $12K |
| 2026-06-01 | 15,549 | $15.11 | $235K |
| 2026-05-28 | 5,516 | $17.11 | $94K |
| 2026-05-26 | 15,120 | $15.20 | $230K |
| 2026-05-21 | 241 | $12.31 | $3K |
| 2026-05-19 | 9,514 | $12.48 | $119K |
| 2026-05-18 | 263 | $12.54 | $3K |
| 2026-05-13 | 41,899 | $12.95 | $543K |
| 2026-05-11 | 671 | $12.81 | $9K |
| 2026-05-05 | 235 | $11.80 | $3K |
| 2026-05-01 | 1,724 | $11.43 | $20K |
| 2026-03-23 | 4 | $9.00 | $36 |
| 2026-03-20 | 82,342 | $9.26 | $762K |
| 2026-03-04 | 49 | $10.21 | $500 |
| 2026-02-26 | 422 | $10.34 | $4K |
| 2026-02-24 | 431 | $10.29 | $4K |
| 2026-02-23 | 912 | $10.90 | $10K |
| 2026-01-20 | 2,000 | $10.07 | $20K |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for HLIT in the last 90 days. The most recent filings are listed below. Latest filing: Glahn Ronald J (SVP, Global Sales, Broadband) on 2026-10-15.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-10-15 | Glahn Ronald J | SVP, Global Sales, Broadband | Tax withholding | 1K | $10.58 | $11K | 47K |
| 2026-10-15 | Glahn Ronald J | SVP, Global Sales, Broadband | Exercise or conversion | 4K | $0.00 | $0 | 48K |
| 2026-09-11 | Jankovic Walter | Chief Financial Officer | Tax withholding | 732 | $12.00 | $9K | 167K |
| 2026-09-11 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 1K | $0.00 | $0 | 168K |
| 2026-09-11 | Ben-Natan Nimrod | President and CEO | Exercise or conversion | 20K | $0.00 | $0 | 748K |
| 2026-08-15 | Jankovic Walter | Chief Financial Officer | Tax withholding | 10K | $13.92 | $138K | 166K |
| 2026-08-15 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 20K | $0.00 | $0 | 176K |
| 2026-08-15 | Glahn Ronald J | SVP, Global Sales, Broadband | Tax withholding | 1K | $13.92 | $15K | 44K |
| 2026-08-15 | Glahn Ronald J | SVP, Global Sales, Broadband | Exercise or conversion | 4K | $0.00 | $0 | 46K |
| 2026-08-15 | Chu Timothy C | General Counsel & SVP, HR | Tax withholding | 3K | $13.92 | $48K | 149K |
| 2026-08-15 | Chu Timothy C | General Counsel & SVP, HR | Exercise or conversion | 10K | $0.00 | $0 | 152K |
| 2026-08-15 | Ben-Natan Nimrod | President and CEO | Exercise or conversion | 26K | $0.00 | $0 | 728K |
| 2026-07-15 | Glahn Ronald J | SVP, Global Sales, Broadband | Tax withholding | 1K | $12.99 | $13K | 42K |
| 2026-07-15 | Glahn Ronald J | SVP, Global Sales, Broadband | Exercise or conversion | 4K | $0.00 | $0 | 43K |
| 2026-06-16 | Haltmayer Neven | SVP & GM, Video Business | Tax withholding | 24K | $14.80 | $352K | 161K |
| 2026-06-16 | Haltmayer Neven | SVP & GM, Video Business | Exercise or conversion | 45K | $0.00 | $0 | 185K |
| 2026-06-11 | Ben-Natan Nimrod | President and CEO | Exercise or conversion | 20K | $0.00 | $0 | 702K |
| 2026-06-11 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 1K | $0.00 | $0 | 157K |
| 2026-06-11 | Jankovic Walter | Chief Financial Officer | Tax withholding | 732 | $14.51 | $11K | 156K |
| 2026-06-01 | Haltmayer Neven | SVP & GM, Video Business | Tax withholding | 1K | $15.81 | $23K | 141K |
| 2026-06-01 | Haltmayer Neven | SVP & GM, Video Business | Exercise or conversion | 3K | $0.00 | $0 | 142K |
| 2026-05-22 | Jankovic Walter | Chief Financial Officer | Tax withholding | 3K | $15.20 | $51K | 156K |
| 2026-05-22 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 7K | $0.00 | $0 | 159K |
| 2026-05-15 | Jankovic Walter | Chief Financial Officer | Tax withholding | 9K | $12.54 | $114K | 152K |
| 2026-05-15 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 20K | $0.00 | $0 | 161K |
| 2026-05-15 | Haltmayer Neven | SVP & GM, Video Business | Tax withholding | 6K | $12.54 | $76K | 139K |
| 2026-05-15 | Haltmayer Neven | SVP & GM, Video Business | Exercise or conversion | 11K | $0.00 | $0 | 145K |
| 2026-05-15 | Glahn Ronald J | SVP, Global Sales, Broadband | Tax withholding | 1K | $12.54 | $14K | 39K |
| 2026-05-15 | Glahn Ronald J | SVP, Global Sales, Broadband | Exercise or conversion | 4K | $0.00 | $0 | 40K |
| 2026-05-15 | Chu Timothy C | General Counsel & SVP, HR | Tax withholding | 3K | $12.54 | $44K | 143K |
| 2026-05-15 | Chu Timothy C | General Counsel & SVP, HR | Exercise or conversion | 10K | $0.00 | $0 | 146K |
| 2026-05-15 | Ben-Natan Nimrod | President and CEO | Exercise or conversion | 26K | $0.00 | $0 | 682K |
| 2026-05-14 | Copeland Stephanie | Director | Sell | 4K | $13.30 | $57K | 21K |
| 2026-05-13 | Haltmayer Neven | SVP & GM, Video Business | Sell | 32K | $13.24 | $421K | 134K |
| 2026-04-15 | Glahn Ronald J | SVP, Global Sales, Broadband | Tax withholding | 1K | $9.88 | $10K | 36K |
| 2026-04-15 | Glahn Ronald J | SVP, Global Sales, Broadband | Exercise or conversion | 4K | $0.00 | $0 | 37K |
| 2026-03-11 | Jankovic Walter | Chief Financial Officer | Tax withholding | 513 | $9.34 | $5K | 142K |
| 2026-03-11 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 1K | $0.00 | $0 | 142K |
| 2026-03-11 | Ben-Natan Nimrod | President and CEO | Exercise or conversion | 20K | $0.00 | $0 | 656K |
| 2026-03-01 | Haltmayer Neven | SVP & GM, Video Business | Tax withholding | 1K | $10.63 | $15K | 166K |
| 2026-03-01 | Haltmayer Neven | SVP & GM, Video Business | Exercise or conversion | 3K | $0.00 | $0 | 167K |
| 2026-02-22 | Jankovic Walter | Chief Financial Officer | Tax withholding | 2K | $10.90 | $25K | 141K |
| 2026-02-22 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 7K | $0.00 | $0 | 143K |
| 2026-02-15 | Jankovic Walter | Chief Financial Officer | Tax withholding | 16K | $10.68 | $176K | 136K |
| 2026-02-15 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 45K | $0.00 | $0 | 153K |
| 2026-02-15 | Haltmayer Neven | SVP & GM, Video Business | Tax withholding | 18K | $10.68 | $194K | 164K |
| 2026-02-15 | Haltmayer Neven | SVP & GM, Video Business | Exercise or conversion | 33K | $0.00 | $0 | 183K |
| 2026-02-15 | Glahn Ronald J | SVP, Global Sales, Broadband | Tax withholding | 4K | $10.68 | $47K | 33K |
| 2026-02-15 | Glahn Ronald J | SVP, Global Sales, Broadband | Exercise or conversion | 16K | $0.00 | $0 | 38K |
| 2026-02-15 | Chu Timothy C | General Counsel & SVP, HR | Tax withholding | 10K | $10.68 | $106K | 136K |
| 2026-02-15 | Chu Timothy C | General Counsel & SVP, HR | Exercise or conversion | 27K | $0.00 | $0 | 146K |
| 2026-02-15 | Ben-Natan Nimrod | President and CEO | Exercise or conversion | 90K | $0.00 | $0 | 635K |
| 2026-02-15 | Whalen Daniel T | Director | Exercise or conversion | 16K | $0.00 | $0 | 30K |
| 2026-02-15 | KRALL DAVID | Director | Exercise or conversion | 16K | $0.00 | $0 | 239K |
| 2026-02-15 | Crandall Dana L | Director | Exercise or conversion | 16K | $0.00 | $0 | 25K |
| 2026-02-15 | Copeland Stephanie | Director | Exercise or conversion | 16K | $0.00 | $0 | 25K |
| 2025-12-15 | Haltmayer Neven | SVP & GM, Video Business | Sell | 14K | $10.41 | $150K | 150K |
| 2025-12-15 | Haltmayer Neven | SVP & GM, Video Business | Sell | 9K | $10.42 | $98K | 164K |
| 2025-12-12 | Haltmayer Neven | SVP & GM, Video Business | Sell | 6K | $10.61 | $65K | 173K |
| 2025-12-11 | KRALL DAVID | Director | Buy | 48K | $10.50 | $499K | 223K |
| 2025-12-11 | Jankovic Walter | Chief Financial Officer | Tax withholding | 732 | $10.71 | $8K | 107K |
| 2025-12-11 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 1K | $0.00 | $0 | 108K |
| 2025-12-11 | Ben-Natan Nimrod | President and CEO | Exercise or conversion | 20K | $0.00 | $0 | 545K |
| 2025-12-01 | Haltmayer Neven | SVP & GM, Video Business | Tax withholding | 1K | $9.41 | $14K | 180K |
| 2025-12-01 | Haltmayer Neven | SVP & GM, Video Business | Exercise or conversion | 3K | $0.00 | $0 | 181K |
| 2025-11-22 | Jankovic Walter | Chief Financial Officer | Tax withholding | 3K | $8.87 | $30K | 107K |
| 2025-11-22 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 7K | $0.00 | $0 | 110K |
| 2025-11-15 | Jankovic Walter | Chief Financial Officer | Tax withholding | 6K | $9.56 | $54K | 103K |
| 2025-11-15 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 11K | $0.00 | $0 | 109K |
| 2025-11-15 | Haltmayer Neven | SVP & GM, Video Business | Tax withholding | 6K | $9.56 | $55K | 178K |
| 2025-11-15 | Haltmayer Neven | SVP & GM, Video Business | Exercise or conversion | 11K | $0.00 | $0 | 184K |
| 2025-11-15 | Chu Timothy C | General Counsel & SVP, HR | Tax withholding | 4K | $9.56 | $38K | 119K |
| 2025-11-15 | Chu Timothy C | General Counsel & SVP, HR | Exercise or conversion | 11K | $0.00 | $0 | 123K |
| 2025-11-15 | Ben-Natan Nimrod | President and CEO | Exercise or conversion | 13K | $0.00 | $0 | 525K |
| 2025-09-11 | Jankovic Walter | Chief Financial Officer | Tax withholding | 732 | $10.12 | $7K | 98K |
| 2025-09-11 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 1K | $0.00 | $0 | 99K |
| 2025-09-11 | Ben-Natan Nimrod | President and CEO | Exercise or conversion | 20K | $0.00 | $0 | 513K |
| 2025-09-01 | Haltmayer Neven | SVP & GM, Video Business | Tax withholding | 1K | $9.62 | $14K | 173K |
| 2025-09-01 | Haltmayer Neven | SVP & GM, Video Business | Exercise or conversion | 3K | $0.00 | $0 | 175K |
| 2025-08-22 | Jankovic Walter | Chief Financial Officer | Tax withholding | 3K | $9.19 | $31K | 97K |
| 2025-08-22 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 7K | $0.00 | $0 | 100K |
| 2025-08-15 | Haltmayer Neven | SVP & GM, Video Business | Tax withholding | 6K | $8.97 | $52K | 172K |
| 2025-08-15 | Haltmayer Neven | SVP & GM, Video Business | Exercise or conversion | 11K | $0.00 | $0 | 178K |
| 2025-08-15 | Jankovic Walter | Chief Financial Officer | Tax withholding | 6K | $8.97 | $51K | 94K |
| 2025-08-15 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 11K | $0.00 | $0 | 99K |
| 2025-08-15 | Chu Timothy C | General Counsel & SVP, HR | Tax withholding | 4K | $8.97 | $36K | 112K |
| 2025-08-15 | Chu Timothy C | General Counsel & SVP, HR | Exercise or conversion | 11K | $0.00 | $0 | 116K |
| 2025-08-15 | Ben-Natan Nimrod | President and CEO | Exercise or conversion | 13K | $0.00 | $0 | 492K |
| 2025-08-01 | Whalen Daniel T | Director | Buy | 2K | $8.25 | $17K | 14K |
| 2025-06-11 | Jankovic Walter | Chief Financial Officer | Tax withholding | 2K | $9.18 | $20K | 88K |
| 2025-06-11 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 6K | $0.00 | $0 | 90K |
| 2025-06-11 | Ben-Natan Nimrod | President and CEO | Exercise or conversion | 80K | $0.00 | $0 | 480K |
| 2025-06-01 | Haltmayer Neven | SVP & GM, Video Business | Exercise or conversion | 11K | $0.00 | $0 | 173K |
| 2025-06-01 | Haltmayer Neven | SVP & GM, Video Business | Tax withholding | 6K | $9.02 | $52K | 167K |
| 2025-05-30 | Whalen Daniel T | Director | Buy | 2K | $8.99 | $18K | 12K |
| 2025-05-22 | Jankovic Walter | Chief Financial Officer | Exercise or conversion | 7K | $0.00 | $0 | 87K |
| 2025-05-22 | Jankovic Walter | Chief Financial Officer | Tax withholding | 2K | $9.09 | $21K | 85K |
| 2025-05-15 | Ben-Natan Nimrod | President and CEO | Exercise or conversion | 13K | $0.00 | $0 | 400K |
| 2025-05-15 | Chu Timothy C | General Counsel & SVP, HR | Tax withholding | 4K | $9.60 | $38K | 105K |
| 2025-05-15 | Chu Timothy C | General Counsel & SVP, HR | Exercise or conversion | 11K | $0.00 | $0 | 109K |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Planned sales (Form 144)
Newest first. JSON4 Form 144 notices on file for HLIT worth $791K at the prices reported; 0 in the last 90 days worth $0. Latest: STEPHANIE COPELAND filed on 2026-05-14 to sell 4,300 shares ($57K) from 2026-05-14.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-05-14 | STEPHANIE COPELANDDirector | 4K | $57K | 0.004% | 2026-05-14 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-13 | NEVEN HALTMAYEROfficer | 32K | $421K | 0.029% | 2026-05-13 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-15 | NEVEN HALTMAYEROfficer | 24K | $248K | 0.021% | 2025-12-15 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-12 | NEVEN HALTMAYEROfficer | 6K | $65K | 0.005% | 2025-12-12 | Morgan Stanley Smith Barney LLC Executive Financial Services |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON2 holders report 5% or more of HLIT in their latest filing, all on Schedule 13G (passive). The largest reported stake is Vanguard Portfolio Management at 5.6% of the class (6,225,133 shares), filed 2026-04-29 for an event on 2026-03-31.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-04-30 | 13G | Vanguard Capital Managementinvestment adviser | 5.5M | 5.0% | 2026-03-31 |
| 2026-04-29 | 13G | Vanguard Portfolio Managementinvestment adviser | 6.2M | 5.6% | 2026-03-31 |
| 2026-03-27 | 13G/Ano. 14 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
13F holders
Tracked managers holding HLIT at their latest 13F. JSON7 of the 30 tracked managers held HLIT at their latest 13F, $120.9M in total at quarter-end prices. D. E. Shaw & Co. is the largest at $30.7M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 4 added shares and 3 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| D. E. Shaw & Co. | 2026-06-30 | 1.9M | $30.7M | 0.01% | -1.2M |
| Two Sigma Investments | 2026-06-30 | 1.7M | $28.3M | 0.02% | +1.6M |
| Renaissance Technologies | 2026-06-30 | 1.7M | $28.2M | 0.04% | +672K |
| Millennium Management | 2026-06-30 | 843K | $13.8M | 0.01% | +88K |
| Point72 Asset Management | 2026-06-30 | 573K | $9.4M | 0.01% | +488K |
| Citadel Advisors | 2026-06-30 | 326K | $5.3M | 0.00% | -475K |
| AQR Capital Management | 2026-06-30 | 320K | $5.2M | 0.00% | -219K |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
Financials
SEC XBRL, as filed. JSONIn Q2 FY 2026 (quarter ended 2026-07-03) Harmonic reported revenue of $133.5M, up 53.5% from the same quarter a year earlier, and net loss of $2.3M (-0.02 diluted EPS). In FY 2025 it generated $108.0M of operating cash flow and spent $79.0M on buybacks. As of 2026-07-03, cash was $231.9M against $110.6M of debt.
- Cash
- $231.9M
- Debt
- $110.6M
- Equity
- $360.3M
- Total assets
- $632.6M
- Shares outstanding
- 109,066,445
Quarterly, last 8 quarters
| Quarter | Period end | Revenue | Net income | Margin | Diluted EPS |
|---|---|---|---|---|---|
| Q2 FY 2026 | 2026-07-03 | $133.5M | -$2.3M | -1.7% | -0.02 |
| Q1 FY 2026 | 2026-04-03 | $121.7M | $7.3M | 6.0% | 0.07 |
| Q4 FY 2025derived | 2025-12-31 | $46.3M | -$54.8M | -118.3% | n/a |
| Q3 FY 2025 | 2025-09-26 | $142.4M | $2.7M | 1.9% | 0.02 |
| Q2 FY 2025 | 2025-06-27 | $86.9M | $2.9M | 3.3% | 0.03 |
| Q1 FY 2025 | 2025-03-28 | $84.9M | $5.9M | 7.0% | 0.05 |
| Q4 FY 2024derived | 2024-12-31 | $31.6M | $38.1M | 120.5% | n/a |
| Q3 FY 2024 | 2024-09-27 | $195.8M | $21.7M | 11.1% | 0.19 |
Fiscal years, with buybacks and dividends
| Fiscal year | Ends | Revenue | Net income | Operating cash flow | Capex | Buybacks | Dividends |
|---|---|---|---|---|---|---|---|
| FY 2025 | 2025-12-31 | $360.5M | -$43.3M | $108.0M | $11.1M | $79.0M | n/a |
| FY 2024 | 2024-12-31 | $488.2M | $39.2M | $61.9M | $9.2M | $30.0M | $0 |
| FY 2023 | 2023-12-31 | $388.5M | $84.0M | $7.1M | $8.5M | $0 | $0 |
| FY 2022 | 2022-12-31 | $625.0M | $28.2M | $5.5M | $9.3M | $5.1M | $0 |
| FY 2021 | 2021-12-31 | $507.1M | $13.3M | $41.0M | $13.0M | $0 | $0 |
Quarters are the three-month figures the company reports; a fourth quarter marked derived is the fiscal year less the three reported quarters, since companies report it only inside the 10-K. Fiscal years are the annual figures. Buybacks are the cash the company paid to repurchase its common stock in the year, not the amount authorized. Balance sheet lines are as of 2026-07-03; shares outstanding as of 2026-08-03 from the cover page.
What this page is
Harmonic in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows Harmonic (HLIT), SEC CIK 851310, listed on Nasdaq, classified by the SEC as radio & tv broadcasting & communications equipment. The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-28.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-17.JSON and CSV
- Planned sales
- SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-05-14.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-04-30.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Financials
- SEC EDGAR 10-K and 10-Q filingsSource: SEC.Weekly; values are as filed in the 10-Q and 10-K. Latest 2026-07-03.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-08-12.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-10-15.JSON and CSV
- Company record
- EDGAR filing index for CIK 851310Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
Other companies the SEC classifies as radio & tv broadcasting & communications equipment
Other company pages
Datasets
Frequently Asked Questions
How much of HLIT is sold short?
6,939,939 shares were held short at the 2026-10-15 settlement, 4.7 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is HLIT's daily short volume?
On 2026-10-28, 200,495 of the 412,156 HLIT shares reported to FINRA were sold short, 48.6% of the day's reported volume. Short volume is a flow for one day, not a position.
Does HLIT have fails to deliver?
The SEC's latest file shows 2,691 HLIT shares failed to deliver at settlement 2026-09-17. Fails are reported per settlement date and published twice a month with a lag.
Are HLIT insiders buying or selling?
No open-market insider trades were reported for HLIT in the last 90 days. The most recent filings are listed below. Latest filing: Glahn Ronald J (SVP, Global Sales, Broadband) on 2026-10-15.
Have HLIT insiders filed to sell?
4 Form 144 notices on file for HLIT worth $791K at the prices reported; 0 in the last 90 days worth $0. Latest: STEPHANIE COPELAND filed on 2026-05-14 to sell 4,300 shares ($57K) from 2026-05-14.
Who owns 5% or more of HLIT?
2 holders report 5% or more of HLIT in their latest filing, all on Schedule 13G (passive). The largest reported stake is Vanguard Portfolio Management at 5.6% of the class (6,225,133 shares), filed 2026-04-29 for an event on 2026-03-31.
What did HLIT report last quarter?
In Q2 FY 2026 (quarter ended 2026-07-03) Harmonic reported revenue of $133.5M, up 53.5% from the same quarter a year earlier, and net loss of $2.3M (-0.02 diluted EPS). In FY 2025 it generated $108.0M of operating cash flow and spent $79.0M on buybacks. As of 2026-07-03, cash was $231.9M against $110.6M of debt.
Which tracked 13F managers own HLIT?
7 of the 30 tracked 13F managers held HLIT shares at their latest filing, $120.9M in all. The largest: D. E. Shaw & Co. (1.9M shares, $30.7M), Two Sigma Investments (1.7M shares, $28.3M), Renaissance Technologies (1.7M shares, $28.2M), Izzy Englander's Millennium Management (843K shares, $13.8M), Steve Cohen's Point72 Asset Management (573K shares, $9.4M), Ken Griffin's Citadel Advisors (326K shares, $5.3M). The table above lists all 7.
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.