Silicon Laboratories (SLAB)
Silicon Laboratories 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 semiconductors & related devices.
1.8M
Short interest
settlement 2026-10-15
5.2
Days to cover
-4.2 days vs prior
56.6%
Short share of volume
2026-11-02
16,254
Fails to deliver
settlement 2026-10-14
Tue 3 Nov
Next earnings
estimated date
-$1.4M
Insider flow, 90 days
0 buys, 1 sells
As of 2026-11-02.
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 SLAB is 1,812,604 shares, down 788,279 shares over the last month. Over the last 48 readings it ranged from 1,301,074 shares (13 March 2026) to 2,932,218 shares (15 July 2026). At the reported average volume of 352K shares a day that is 5.2 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 1,812,604 | -29.0% | 351,629 | 5.15 |
| 2026-09-30 | 2,553,387 | -1.8% | 272,564 | 9.37 |
| 2026-09-15 | 2,600,883 | -5.6% | 314,133 | 8.28 |
| 2026-08-31 | 2,756,050 | -2.4% | 297,220 | 9.27 |
| 2026-08-14 | 2,824,801 | -1.3% | 194,845 | 14.50 |
| 2026-07-31 | 2,861,683 | -2.4% | 315,554 | 9.07 |
| 2026-07-15 | 2,932,218 | +27.0% | 403,439 | 7.27 |
| 2026-06-30 | 2,308,888 | +6.5% | 647,032 | 3.57 |
| 2026-06-15 | 2,167,510 | -8.4% | 376,160 | 5.76 |
| 2026-05-29 | 2,365,299 | -0.9% | 379,438 | 6.23 |
| 2026-05-15 | 2,387,843 | +26.3% | 427,314 | 5.59 |
| 2026-04-30 | 1,891,426 | +25.4% | 444,996 | 4.25 |
| 2026-04-15 | 1,508,311 | -0.8% | 341,138 | 4.42 |
| 2026-03-31 | 1,520,475 | +16.9% | 373,878 | 4.07 |
| 2026-03-13 | 1,301,074 | -22.0% | 760,600 | 1.71 |
| 2026-02-27 | 1,668,917 | +4.0% | 671,584 | 2.49 |
| 2026-02-13 | 1,604,845 | -15.6% | 1,996,228 | 1.00 |
| 2026-01-30 | 1,901,246 | +7.2% | 322,580 | 5.89 |
| 2026-01-15 | 1,773,129 | +2.2% | 324,281 | 5.47 |
| 2025-12-31 | 1,735,531 | -3.2% | 225,478 | 7.70 |
| 2025-12-15 | 1,792,141 | +1.0% | 293,213 | 6.11 |
| 2025-11-28 | 1,774,390 | +5.7% | 251,417 | 7.06 |
| 2025-11-14 | 1,678,192 | +4.3% | 333,440 | 5.03 |
| 2025-10-31 | 1,608,231 | +6.3% | 229,875 | 7.00 |
| 2025-10-15 | 1,513,235 | -7.7% | 223,111 | 6.78 |
| 2025-09-30 | 1,640,140 | -0.2% | 257,296 | 6.37 |
| 2025-09-15 | 1,642,968 | +15.0% | 205,075 | 8.01 |
| 2025-08-29 | 1,428,776 | -18.9% | 280,797 | 5.09 |
| 2025-08-15 | 1,762,494 | +27.5% | 458,883 | 3.84 |
| 2025-07-31 | 1,382,279 | -7.8% | 393,465 | 3.51 |
| 2025-07-15 | 1,499,168 | -8.8% | 486,913 | 3.08 |
| 2025-06-30 | 1,644,000 | -7.5% | 382,104 | 4.30 |
| 2025-06-13 | 1,776,806 | -4.3% | 397,101 | 4.47 |
| 2025-05-30 | 1,856,226 | +2.7% | 303,977 | 6.11 |
| 2025-05-15 | 1,808,185 | +2.2% | 384,725 | 4.70 |
| 2025-04-30 | 1,768,885 | -7.1% | 451,298 | 3.92 |
| 2025-04-15 | 1,904,494 | -16.0% | 609,673 | 3.12 |
| 2025-03-31 | 2,267,814 | -1.4% | 324,186 | 7.00 |
| 2025-03-14 | 2,299,444 | -1.4% | 406,206 | 5.66 |
| 2025-02-28 | 2,332,198 | +8.2% | 389,437 | 5.99 |
| 2025-02-14 | 2,156,305 | -1.1% | 500,928 | 4.30 |
| 2025-01-31 | 2,180,424 | -9.5% | 291,175 | 7.49 |
| 2025-01-15 | 2,410,042 | -0.7% | 295,107 | 8.17 |
| 2024-12-31 | 2,425,883 | -1.7% | 298,112 | 8.14 |
| 2024-12-13 | 2,467,144 | +5.0% | 312,399 | 7.90 |
| 2024-11-29 | 2,350,118 | +5.6% | 255,237 | 9.21 |
| 2024-11-15 | 2,226,295 | +15.8% | 408,236 | 5.45 |
| 2024-10-31 | 1,922,506 | -1.0% | 198,161 | 9.70 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 2 November 2026, the short share of SLAB volume is 56.6%, up 8.8 points over the last five sessions. Over the last 30 readings it ranged from 34.1% (14 October 2026) to 70.6% (7 October 2026). The latest reading is 7.2 points above the 30-session average of 49.4%, on 157K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-11-02 | 89K | 157K | 56.6% | 492 |
| 2026-10-30 | 88K | 168K | 52.1% | 931 |
| 2026-10-29 | 42K | 83K | 50.9% | 0 |
| 2026-10-28 | 32K | 76K | 41.8% | 0 |
| 2026-10-27 | 33K | 83K | 39.9% | 0 |
| 2026-10-26 | 44K | 92K | 47.8% | 0 |
| 2026-10-23 | 56K | 107K | 52.6% | 0 |
| 2026-10-22 | 38K | 74K | 51.6% | 0 |
| 2026-10-21 | 57K | 124K | 45.9% | 58 |
| 2026-10-20 | 37K | 82K | 44.9% | 0 |
| 2026-10-19 | 37K | 69K | 53.8% | 0 |
| 2026-10-16 | 48K | 95K | 50.4% | 2 |
| 2026-10-15 | 48K | 131K | 36.9% | 0 |
| 2026-10-14 | 48K | 139K | 34.1% | 19 |
| 2026-10-13 | 45K | 77K | 58.1% | 0 |
| 2026-10-12 | 29K | 64K | 44.9% | 12 |
| 2026-10-09 | 38K | 60K | 63.4% | 0 |
| 2026-10-08 | 65K | 121K | 54.0% | 1 |
| 2026-10-07 | 47K | 67K | 70.6% | 1 |
| 2026-10-06 | 39K | 65K | 59.6% | 3 |
| 2026-10-05 | 34K | 85K | 40.3% | 10 |
| 2026-10-02 | 26K | 72K | 36.7% | 1 |
| 2026-10-01 | 35K | 68K | 52.0% | 11 |
| 2026-09-30 | 32K | 93K | 34.2% | 0 |
| 2026-09-29 | 36K | 89K | 41.0% | 0 |
| 2026-09-28 | 28K | 48K | 57.7% | 0 |
| 2026-09-25 | 23K | 49K | 47.8% | 0 |
| 2026-09-24 | 28K | 51K | 55.1% | 2 |
| 2026-09-23 | 33K | 59K | 55.0% | 12 |
| 2026-09-22 | 26K | 49K | 52.7% | 100 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 14 October 2026, the fails-to-deliver balance in SLAB is 16,254 shares, up 10,258 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (14 August 2026) to 16,254 shares (14 October 2026). The latest reading sits at the top of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-10-14 | 16,254 | $221.15 | $3.6M |
| 2026-10-09 | 5,996 | $221.75 | $1.3M |
| 2026-09-04 | 3 | $220.71 | $662 |
| 2026-08-31 | 39 | $218.54 | $9K |
| 2026-08-14 | 1 | $218.30 | $218 |
| 2026-08-05 | 41 | $218.39 | $9K |
| 2026-08-04 | 26 | $218.00 | $6K |
| 2026-07-09 | 622 | $218.32 | $136K |
| 2026-06-30 | 75 | $219.03 | $16K |
| 2026-06-18 | 43 | $218.61 | $9K |
| 2026-06-11 | 36 | $217.88 | $8K |
| 2026-06-04 | 389 | $219.13 | $85K |
| 2026-06-01 | 1,513 | $217.60 | $329K |
| 2026-05-19 | 8,444 | $216.60 | $1.8M |
| 2026-05-18 | 12,844 | $216.59 | $2.8M |
| 2026-05-13 | 8,511 | $216.58 | $1.8M |
| 2026-04-28 | 16 | $215.00 | $3K |
| 2026-04-27 | 168 | $215.50 | $36K |
| 2026-03-25 | 47 | $207.19 | $10K |
| 2026-03-24 | 1,955 | $206.96 | $405K |
| 2026-03-23 | 100 | $206.25 | $21K |
| 2026-03-13 | 3,960 | $202.07 | $800K |
| 2026-03-09 | 12,505 | $202.70 | $2.5M |
| 2026-03-05 | 3,528 | $203.58 | $718K |
| 2026-03-02 | 29 | $204.53 | $6K |
| 2026-02-12 | 5 | $207.10 | $1K |
| 2026-02-06 | 359 | $205.22 | $74K |
| 2026-02-04 | 1,294 | $136.62 | $177K |
| 2026-02-02 | 2 | $142.45 | $285 |
| 2026-01-30 | 380 | $146.54 | $56K |
Insider trades
SEC Form 4, newest first. JSONInsiders at SLAB reported 1 open-market sell worth $1.4M in the last 90 days and no open-market buys. Latest filing: CONRAD ROBERT J (Sr VP and General Manager) on 2026-08-14.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-08-14 | CONRAD ROBERT J | Sr VP and General Manager | Sell | 7K | $218.21 | $1.4M | 24K |
| 2026-05-18 | Johnson Robert Matthew | President & CEO | Sell | 8K | $216.83 | $1.7M | 81K |
| 2026-05-15 | Tolany Brandon | Sr VP WW Sales & Marketing | Tax withholding | 4K | $216.59 | $901K | 67K |
| 2026-05-15 | MAULDIN MARK D | Chief Accounting Officer | Tax withholding | 858 | $216.59 | $186K | 21K |
| 2026-05-15 | Johnson Robert Matthew | President & CEO | Tax withholding | 10K | $216.59 | $2.2M | 89K |
| 2026-05-15 | CONRAD ROBERT J | Sr VP and General Manager | Tax withholding | 4K | $216.59 | $791K | 30K |
| 2026-05-15 | Butler Dean Warren | Sr VP and CFO | Tax withholding | 6K | $216.59 | $1.4M | 44K |
| 2026-04-30 | Tolany Brandon | Sr VP WW Sales & Marketing | Grant | 45 | $86.46 | $4K | 71K |
| 2026-04-30 | MAULDIN MARK D | Chief Accounting Officer | Grant | 18 | $86.46 | $2K | 22K |
| 2026-04-30 | Butler Dean Warren | Sr VP and CFO | Grant | 152 | $86.46 | $13K | 50K |
| 2026-04-23 | Wyatt Christy | Director | Grant | 962 | $0.00 | $0 | 9K |
| 2026-04-23 | SOOCH NAVDEEP S | Director | Grant | 1K | $0.00 | $0 | 402K |
| 2026-04-23 | Sadana Sumit | Director | Grant | 962 | $0.00 | $0 | 10K |
| 2026-04-23 | Richardson Nina | Director | Grant | 962 | $0.00 | $0 | 10K |
| 2026-04-23 | Luther Sherri R | Director | Grant | 962 | $0.00 | $0 | 7K |
| 2026-04-23 | LOWE GREGG A | Director | Grant | 962 | $0.00 | $0 | 15K |
| 2026-04-23 | BOCK WILLIAM G | Director | Grant | 962 | $0.00 | $0 | 34K |
| 2026-02-15 | Tolany Brandon | Sr VP WW Sales & Marketing | Grant | 9K | $0.00 | $0 | 71K |
| 2026-02-15 | MAULDIN MARK D | Chief Accounting Officer | Grant | 3K | $0.00 | $0 | 22K |
| 2026-02-15 | Johnson Robert Matthew | President & CEO | Grant | 25K | $0.00 | $0 | 99K |
| 2026-02-15 | CONRAD ROBERT J | Sr VP and General Manager | Grant | 9K | $0.00 | $0 | 34K |
| 2026-02-15 | Butler Dean Warren | Sr VP and CFO | Grant | 11K | $0.00 | $0 | 50K |
| 2026-02-13 | MAULDIN MARK D | Chief Accounting Officer | Tax withholding | 356 | $207.27 | $74K | 19K |
| 2026-01-13 | Richardson Nina | Director | Sell | 1K | $149.00 | $202K | 9K |
| 2025-12-05 | Tolany Brandon | Sr VP WW Sales & Marketing | Sell | 2K | $141.49 | $276K | 62K |
| 2025-12-05 | Tolany Brandon | Sr VP WW Sales & Marketing | Exercise or conversion | 2K | $43.82 | $86K | 64K |
| 2025-12-04 | Tolany Brandon | Sr VP WW Sales & Marketing | Sell | 4K | $140.17 | $595K | 62K |
| 2025-12-04 | Tolany Brandon | Sr VP WW Sales & Marketing | Exercise or conversion | 4K | $43.82 | $186K | 67K |
| 2025-10-31 | Tolany Brandon | Sr VP WW Sales & Marketing | Grant | 53 | $86.46 | $5K | 62K |
| 2025-10-31 | MAULDIN MARK D | Chief Accounting Officer | Grant | 21 | $86.46 | $2K | 19K |
| 2025-10-31 | Butler Dean Warren | Sr VP and CFO | Grant | 177 | $86.46 | $15K | 39K |
| 2025-08-29 | Tolany Brandon | Sr VP WW Sales & Marketing | Sell | 2K | $133.57 | $240K | 62K |
| 2025-08-29 | Tolany Brandon | Sr VP WW Sales & Marketing | Exercise or conversion | 2K | $43.82 | $79K | 64K |
| 2025-08-22 | Tolany Brandon | Sr VP WW Sales & Marketing | Sell | 8K | $145.23 | $1.2M | 62K |
| 2025-08-22 | Tolany Brandon | Sr VP WW Sales & Marketing | Exercise or conversion | 8K | $43.82 | $351K | 70K |
| 2025-08-19 | Tolany Brandon | Sr VP WW Sales & Marketing | Sell | 2K | $132.69 | $301K | 62K |
| 2025-08-19 | Tolany Brandon | Sr VP WW Sales & Marketing | Exercise or conversion | 2K | $43.82 | $98K | 65K |
| 2025-08-19 | Tolany Brandon | Sr VP WW Sales & Marketing | Exercise or conversion | 35 | $43.82 | $2K | 62K |
| 2025-05-16 | Johnson Robert Matthew | President & CEO | Sell | 6K | $131.20 | $771K | 74K |
| 2025-05-16 | CONRAD ROBERT J | Sr VP and General Manager | Sell | 4K | $131.20 | $529K | 25K |
| 2025-05-15 | Johnson Robert Matthew | President & CEO | Tax withholding | 8K | $133.17 | $1.0M | 80K |
| 2025-05-15 | Johnson Robert Matthew | President & CEO | Grant | 39K | $0.00 | $0 | 87K |
| 2025-05-15 | CONRAD ROBERT J | Sr VP and General Manager | Grant | 10K | $0.00 | $0 | 31K |
| 2025-05-15 | CONRAD ROBERT J | Sr VP and General Manager | Tax withholding | 1K | $133.17 | $172K | 29K |
| 2025-05-15 | CONRAD ROBERT J | Sr VP and General Manager | Grant | 5K | $0.00 | $0 | 21K |
| 2025-05-15 | Butler Dean Warren | Sr VP and CFO | Grant | 15K | $0.00 | $0 | 43K |
| 2025-05-15 | Butler Dean Warren | Sr VP and CFO | Tax withholding | 4K | $133.17 | $552K | 39K |
| 2025-05-15 | Tolany Brandon | Sr VP WW Sales & Marketing | Tax withholding | 3K | $133.17 | $333K | 62K |
| 2025-05-15 | Tolany Brandon | Sr VP WW Sales & Marketing | Grant | 21K | $0.00 | $0 | 65K |
| 2025-05-15 | MAULDIN MARK D | Chief Accounting Officer | Grant | 2K | $0.00 | $0 | 20K |
| 2025-05-15 | MAULDIN MARK D | Chief Accounting Officer | Tax withholding | 878 | $133.17 | $117K | 19K |
| 2025-05-13 | CONRAD ROBERT J | Sr VP Worldwide Operations | Sell | 1K | $130.00 | $152K | 16K |
| 2025-05-06 | Wyatt Christy | Director | Sell | 546 | $104.45 | $57K | 8K |
| 2025-04-30 | Butler Dean Warren | Sr VP and CFO | Grant | 164 | $86.46 | $14K | 28K |
| 2025-04-30 | Tolany Brandon | Sr VP WW Sales & Marketing | Grant | 48 | $86.46 | $4K | 44K |
| 2025-04-30 | MAULDIN MARK D | Chief Accounting Officer | Grant | 19 | $86.46 | $2K | 18K |
| 2025-04-24 | Luther Sherri R | Director | Grant | 2K | $0.00 | $0 | 6K |
| 2025-04-24 | SOOCH NAVDEEP S | Director | Grant | 2K | $0.00 | $0 | 400K |
| 2025-04-24 | Sadana Sumit | Director | Grant | 2K | $0.00 | $0 | 9K |
| 2025-04-24 | Richardson Nina | Director | Grant | 2K | $0.00 | $0 | 10K |
| 2025-04-24 | BOCK WILLIAM G | Director | Grant | 2K | $0.00 | $0 | 33K |
| 2025-04-24 | LOWE GREGG A | Director | Grant | 2K | $0.00 | $0 | 14K |
| 2025-04-24 | Wyatt Christy | Director | Grant | 2K | $0.00 | $0 | 9K |
| 2025-02-18 | BOCK WILLIAM G | Director | Sell | 1K | $149.43 | $149K | 31K |
| 2025-02-14 | MAULDIN MARK D | Chief Accounting Officer | Tax withholding | 367 | $149.54 | $55K | 18K |
| 2025-02-06 | SOOCH NAVDEEP S | Director | Sell | 3K | $149.08 | $394K | 398K |
| 2025-02-05 | SOOCH NAVDEEP S | Director | Sell | 2K | $149.00 | $352K | 401K |
| 2025-01-22 | BOCK WILLIAM G | Director | Sell | 2K | $140.77 | $282K | 32K |
| 2024-09-03 | Tolany Brandon | Sr VP WW Sales & Marketing | Sell | 845 | $115.00 | $97K | 44K |
| 2024-06-03 | Johnson Robert Matthew | President & CEO | Sell | 7K | $123.80 | $895K | 48K |
| 2024-05-15 | CONRAD ROBERT J | Sr VP Worldwide Operations | Grant | 8K | $0.00 | $0 | 17K |
| 2024-05-15 | Tolany Brandon | Sr VP of Worldwide Sales | Tax withholding | 5K | $131.57 | $621K | 36K |
| 2024-05-15 | Tolany Brandon | Sr VP of Worldwide Sales | Grant | 9K | $0.00 | $0 | 44K |
| 2024-05-15 | MAULDIN MARK D | Chief Accounting Officer | Tax withholding | 709 | $131.57 | $93K | 14K |
| 2024-05-15 | MAULDIN MARK D | Chief Accounting Officer | Grant | 4K | $0.00 | $0 | 18K |
| 2024-05-15 | Johnson Robert Matthew | President & CEO | Grant | 24K | $0.00 | $0 | 55K |
| 2024-05-15 | Johnson Robert Matthew | President & CEO | Tax withholding | 9K | $131.57 | $1.2M | 31K |
| 2024-05-15 | CONRAD ROBERT J | Sr VP Worldwide Operations | Grant | 8K | $0.00 | $0 | 9K |
| 2024-05-15 | Butler Dean Warren | Sr VP and CFO | Grant | 16K | $0.00 | $0 | 28K |
| 2024-05-15 | Butler Dean Warren | Sr VP and CFO | Grant | 12K | $0.00 | $0 | 12K |
| 2024-04-30 | MAULDIN MARK D | Interim CFO & CAO | Grant | 19 | $77.48 | $1K | 15K |
| 2024-04-30 | Tolany Brandon | Sr VP of Worldwide Sales | Grant | 49 | $77.48 | $4K | 40K |
| 2024-04-18 | Luther Sherri R | Director | Grant | 1K | $0.00 | $0 | 4K |
| 2024-04-18 | Wyatt Christy | Director | Grant | 1K | $0.00 | $0 | 7K |
| 2024-04-18 | LOWE GREGG A | Director | Grant | 1K | $0.00 | $0 | 12K |
| 2024-04-18 | BOCK WILLIAM G | Director | Grant | 1K | $0.00 | $0 | 34K |
| 2024-04-18 | Richardson Nina | Director | Grant | 1K | $0.00 | $0 | 8K |
| 2024-04-18 | Sadana Sumit | Director | Grant | 1K | $0.00 | $0 | 7K |
| 2024-04-18 | SOOCH NAVDEEP S | Director | Grant | 2K | $0.00 | $0 | 403K |
| 2024-02-15 | MAULDIN MARK D | Interim CFO & CAO | Grant | 4K | $0.00 | $0 | 15K |
| 2024-01-18 | Hollister John C | Sr VP and CFO | Grant | 8K | $0.00 | $0 | 75K |
| 2024-01-18 | Tolany Brandon | Sr VP of Worldwide Sales | Grant | 7K | $0.00 | $0 | 40K |
| 2024-01-18 | Kumar Sandeep P | Sr VP, Worldwide Operations | Grant | 9K | $0.00 | $0 | 65K |
| 2024-01-18 | Johnson Robert Matthew | President & CEO | Grant | 10K | $0.00 | $0 | 41K |
| 2023-12-04 | Johnson Robert Matthew | President & CEO | Sell | 4K | $108.22 | $398K | 31K |
| 2023-10-31 | MAULDIN MARK D | Chief Accounting Officer | Grant | 57 | $77.48 | $4K | 11K |
| 2023-10-31 | Tolany Brandon | Sr VP of Worldwide Sales | Grant | 48 | $77.48 | $4K | 34K |
| 2023-10-31 | Hollister John C | Sr VP and CFO | Grant | 80 | $77.48 | $6K | 67K |
| 2023-10-31 | Kumar Sandeep P | Sr VP, Worldwide Operations | Grant | 11 | $77.48 | $852 | 56K |
| 2023-10-02 | Johnson Robert Matthew | President & CEO | Sell | 4K | $115.23 | $407K | 35K |
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. JSON5 Form 144 notices on file for SLAB worth $4.2M at the prices reported; 1 in the last 90 days worth $1.4M. Latest: CONRAD ROBERT J filed on 2026-08-14 to sell 6,581 shares ($1.4M) from 2026-08-14.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-08-14 | CONRAD ROBERT JOfficer | 7K | $1.4M | 0.020% | 2026-08-14 | Fidelity Brokerage Services LLC |
| 2026-05-18 | Johnson Robert MatthewOfficer, Director | 8K | $1.7M | 0.024% | 2026-05-18 | Fidelity Brokerage Services LLC |
| 2026-01-13 | Richardson NinaDirector | 1K | $202K | 0.004% | 2026-01-13 | Fidelity Brokerage Services LLC |
| 2025-12-05 | Tolany BrandonOfficer | 2K | $276K | 0.006% | 2025-12-05 | Fidelity Brokerage Services LLC |
| 2025-12-04 | Tolany BrandonOfficer | 4K | $595K | 0.013% | 2025-12-04 | Fidelity Brokerage Services LLC |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON2 holders report 5% or more of SLAB in their latest filing, all on Schedule 13G (passive). The largest reported stake is Vanguard Portfolio Management at 6.6% of the class (2,167,187 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 | 1.7M | 5.2% | 2026-03-31 |
| 2026-04-29 | 13G | Vanguard Portfolio Managementinvestment adviser | 2.2M | 6.6% | 2026-03-31 |
| 2026-03-27 | 13G/Ano. 17 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
| 2026-03-06 | 13G/Ano. 16 | FMR LLCparent holding company | 697K | 2.1% | 2026-02-27 |
| 2026-03-06 | 13G/Ano. 16 | Abigail P. Johnsonindividual | 697K | 2.1% | 2026-02-27 |
13F holders
Tracked managers holding SLAB at their latest 13F. JSON6 of the 30 tracked managers held SLAB at their latest 13F, $262.7M in total at quarter-end prices. Millennium Management is the largest at $219.4M (0.1% of its portfolio) as of 2026-06-30. Over the prior quarter 2 added shares and 4 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Millennium Management | 2026-06-30 | 1.0M | $219.4M | 0.08% | +547K |
| Citadel Advisors | 2026-06-30 | 96K | $21.1M | 0.00% | -245K |
| Renaissance Technologies | 2026-06-30 | 50K | $11.0M | 0.02% | -105K |
| AQR Capital Management | 2026-06-30 | 43K | $9.4M | 0.00% | -232K |
| D. E. Shaw & Co. | 2026-06-30 | 6K | $1.2M | 0.00% | -2K |
| Two Sigma Investments | 2026-06-30 | 3K | $547K | 0.00% | +401 |
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 2026-07-04) Silicon Laboratories reported revenue of $228.2M, up 18.3% from the same quarter a year earlier, and net loss of $10.6M (-0.32 diluted EPS). In FY 2025 it generated $95.7M of operating cash flow.
- Cash
- $362.2M
- Equity
- $1.09B
- Total assets
- $1.25B
- Shares outstanding
- 33,366,761
Quarterly, last 8 quarters
| Quarter | Period end | Revenue | Net income | Margin | Diluted EPS |
|---|---|---|---|---|---|
| Q2 FY 2026 | 2026-07-04 | $228.2M | -$10.6M | -4.6% | -0.32 |
| Q1 FY 2026 | 2026-04-04 | $213.5M | -$15.9M | -7.4% | -0.48 |
| Q4 FY 2025derived | 2026-01-03 | $208.2M | -$2.7M | -1.3% | n/a |
| Q3 FY 2025 | 2025-10-04 | $206.0M | -$9.9M | -4.8% | -0.30 |
| Q2 FY 2025 | 2025-07-05 | $192.8M | -$21.8M | -11.3% | -0.67 |
| Q1 FY 2025 | 2025-04-05 | $177.7M | -$30.5M | -17.1% | -0.94 |
| Q4 FY 2024derived | 2024-12-28 | $166.2M | n/a | n/a | n/a |
| Q3 FY 2024 | 2024-09-28 | $166.4M | -$28.5M | -17.1% | -0.88 |
Fiscal years, with buybacks and dividends
| Fiscal year | Ends | Revenue | Net income | Operating cash flow | Capex | Buybacks | Dividends |
|---|---|---|---|---|---|---|---|
| FY 2025 | 2026-01-03 | $784.8M | -$64.9M | $95.7M | $29.9M | $0 | n/a |
| FY 2023 | 2024-12-28 | $584.4M | -$191.0M | -$13.9M | $11.7M | $16K | n/a |
| FY 2022 | 2023-12-30 | $782.3M | -$34.5M | -$30.3M | $22.3M | $217.1M | n/a |
| FY 2021 | 2022-12-31 | $1.02B | n/a | n/a | $26.5M | $883.4M | n/a |
| FY 2021 | 2022-01-01 | $720.9M | n/a | n/a | $28.6M | $1.15B | n/a |
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 2026-07-04; shares outstanding as of 2026-08-04 from the cover page.
What this page is
Silicon Laboratories 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 Silicon Laboratories (SLAB), SEC CIK 1038074, listed on Nasdaq, classified by the SEC as semiconductors & related devices. 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 2026-11-02.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-10-14.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 2026-08-14.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 2026-07-04.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 2026-08-11.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 2026-08-14.JSON and CSV
- Company record
- EDGAR filing index for CIK 1038074Ticker, 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.
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Datasets
Frequently Asked Questions
How much of SLAB is sold short?
1,812,604 shares were held short at the 2026-10-15 settlement, 5.2 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 SLAB's daily short volume?
On 2026-11-02, 88,749 of the 156,916 SLAB shares reported to FINRA were sold short, 56.6% of the day's reported volume. Short volume is a flow for one day, not a position.
Does SLAB have fails to deliver?
The SEC's latest file shows 16,254 SLAB shares failed to deliver at settlement 2026-10-14. Fails are reported per settlement date and published twice a month with a lag.
Are SLAB insiders buying or selling?
Insiders at SLAB reported 1 open-market sell worth $1.4M in the last 90 days and no open-market buys. Latest filing: CONRAD ROBERT J (Sr VP and General Manager) on 2026-08-14.
Have SLAB insiders filed to sell?
5 Form 144 notices on file for SLAB worth $4.2M at the prices reported; 1 in the last 90 days worth $1.4M. Latest: CONRAD ROBERT J filed on 2026-08-14 to sell 6,581 shares ($1.4M) from 2026-08-14.
Who owns 5% or more of SLAB?
2 holders report 5% or more of SLAB in their latest filing, all on Schedule 13G (passive). The largest reported stake is Vanguard Portfolio Management at 6.6% of the class (2,167,187 shares), filed 2026-04-29 for an event on 2026-03-31.
What did SLAB report last quarter?
In Q2 FY 2026 (quarter ended 2026-07-04) Silicon Laboratories reported revenue of $228.2M, up 18.3% from the same quarter a year earlier, and net loss of $10.6M (-0.32 diluted EPS). In FY 2025 it generated $95.7M of operating cash flow.
Which tracked 13F managers own SLAB?
6 of the 30 tracked 13F managers held SLAB shares at their latest filing, $262.7M in all. The largest: Izzy Englander's Millennium Management (1.0M shares, $219.4M), Ken Griffin's Citadel Advisors (96K shares, $21.1M), Renaissance Technologies (50K shares, $11.0M), Cliff Asness's AQR Capital Management (43K shares, $9.4M), D. E. Shaw & Co. (6K shares, $1.2M), Two Sigma Investments (3K shares, $547K).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.