Mitek Systems (MITK)
Mitek Systems on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as computer peripheral equipment, nec.
4.5M
Short interest
settlement 2026-09-30
6.8
Days to cover
-0.5 days vs prior
55.4%
Short share of volume
2026-10-23
388
Fails to deliver
settlement 2026-08-26
Thu 10 Dec
Next earnings
estimated date
$0
Insider flow, 90 days
0 buys, 0 sells
As of 2026-10-23.
Short interest
FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSONAs of 30 September 2026, short interest in MITK is 4,515,543 shares, up 493,545 shares over the last month. Over the last 48 readings it ranged from 1,754,147 shares (31 July 2025) to 4,515,543 shares (30 September 2026). The latest reading sits at the top of that range. At the reported average volume of 668K shares a day that is 6.8 days to cover.
Embed this chart.The embed keeps its attribution line.
<iframe src="https://xoomar.com/embed/stocks/mitk" width="100%" height="440" style="border:0;max-width:100%" loading="lazy" title="XOOMAR chart"></iframe>
| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-09-30 | 4,515,543 | +10.0% | 667,697 | 6.76 |
| 2026-09-15 | 4,103,611 | +2.0% | 562,783 | 7.29 |
| 2026-08-31 | 4,021,998 | +10.4% | 708,310 | 5.68 |
| 2026-08-14 | 3,642,601 | +9.7% | 806,717 | 4.52 |
| 2026-07-31 | 3,319,216 | -2.9% | 697,595 | 4.76 |
| 2026-07-15 | 3,416,964 | -7.1% | 705,830 | 4.84 |
| 2026-06-30 | 3,677,518 | +2.5% | 1,455,966 | 2.53 |
| 2026-06-15 | 3,589,646 | -5.5% | 1,011,446 | 3.55 |
| 2026-05-29 | 3,800,052 | +3.1% | 1,131,564 | 3.36 |
| 2026-05-15 | 3,685,438 | +14.3% | 1,458,526 | 2.53 |
| 2026-04-30 | 3,224,565 | +11.0% | 1,017,249 | 3.17 |
| 2026-04-15 | 2,906,159 | +28.9% | 806,895 | 3.60 |
| 2026-03-31 | 2,254,075 | +2.3% | 745,172 | 3.02 |
| 2026-03-13 | 2,202,871 | -3.9% | 854,752 | 2.58 |
| 2026-02-27 | 2,292,265 | +20.1% | 1,081,510 | 2.12 |
| 2026-02-13 | 1,908,633 | -11.8% | 1,092,413 | 1.75 |
| 2026-01-30 | 2,164,874 | -5.8% | 495,610 | 4.37 |
| 2026-01-15 | 2,299,058 | +2.4% | 368,164 | 6.24 |
| 2025-12-31 | 2,245,744 | +2.7% | 775,447 | 2.90 |
| 2025-12-15 | 2,186,018 | -8.2% | 1,011,949 | 2.16 |
| 2025-11-28 | 2,379,965 | +8.9% | 458,472 | 5.19 |
| 2025-11-14 | 2,184,846 | +3.4% | 275,641 | 7.93 |
| 2025-10-31 | 2,113,794 | +4.5% | 319,583 | 6.61 |
| 2025-10-15 | 2,023,091 | +0.0% | 280,351 | 7.22 |
| 2025-09-30 | 2,022,333 | +1.9% | 367,587 | 5.50 |
| 2025-09-15 | 1,984,358 | +5.8% | 355,330 | 5.58 |
| 2025-08-29 | 1,874,926 | +5.1% | 390,527 | 4.80 |
| 2025-08-15 | 1,783,912 | +1.7% | 495,401 | 3.60 |
| 2025-07-31 | 1,754,147 | -5.4% | 294,850 | 5.95 |
| 2025-07-15 | 1,854,477 | -19.2% | 378,166 | 4.90 |
| 2025-06-30 | 2,295,858 | -3.1% | 554,894 | 4.14 |
| 2025-06-13 | 2,369,851 | -9.5% | 407,699 | 5.81 |
| 2025-05-30 | 2,618,785 | -0.6% | 460,026 | 5.69 |
| 2025-05-15 | 2,634,851 | -4.8% | 515,370 | 5.11 |
| 2025-04-30 | 2,766,626 | -0.7% | 331,712 | 8.34 |
| 2025-04-15 | 2,787,153 | -8.4% | 462,182 | 6.03 |
| 2025-03-31 | 3,043,025 | -1.1% | 457,438 | 6.65 |
| 2025-03-14 | 3,076,293 | -1.8% | 432,868 | 7.11 |
| 2025-02-28 | 3,132,660 | -12.7% | 599,059 | 5.23 |
| 2025-02-14 | 3,586,294 | +5.6% | 658,553 | 5.45 |
| 2025-01-31 | 3,397,420 | -6.2% | 462,990 | 7.34 |
| 2025-01-15 | 3,622,284 | -6.4% | 527,770 | 6.86 |
| 2024-12-31 | 3,869,837 | +3.3% | 1,288,261 | 3.00 |
| 2024-12-13 | 3,745,150 | -0.8% | 440,781 | 8.50 |
| 2024-11-29 | 3,775,938 | -8.5% | 350,710 | 10.77 |
| 2024-11-15 | 4,125,037 | -3.5% | 455,623 | 9.05 |
| 2024-10-31 | 4,276,791 | +1.2% | 447,599 | 9.55 |
| 2024-10-15 | 4,227,839 | -1.2% | 561,678 | 7.53 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 23 October 2026, the short share of MITK volume is 55.4%, up 3.6 points over the last five sessions. Over the last 30 readings it ranged from 32.0% (8 October 2026) to 67.2% (29 September 2026). The latest reading is in line with the 30-session average of 53.8%, on 215K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-10-23 | 119K | 215K | 55.4% | 0 |
| 2026-10-22 | 94K | 170K | 55.5% | 5,130 |
| 2026-10-21 | 129K | 199K | 64.8% | 55 |
| 2026-10-20 | 88K | 173K | 51.0% | 401 |
| 2026-10-19 | 71K | 134K | 53.5% | 13 |
| 2026-10-16 | 101K | 195K | 51.9% | 0 |
| 2026-10-15 | 200K | 429K | 46.7% | 0 |
| 2026-10-14 | 179K | 447K | 40.0% | 795 |
| 2026-10-13 | 105K | 160K | 66.0% | 360 |
| 2026-10-12 | 162K | 285K | 57.1% | 301 |
| 2026-10-09 | 91K | 143K | 64.0% | 281 |
| 2026-10-08 | 87K | 271K | 32.0% | 1 |
| 2026-10-07 | 77K | 184K | 41.7% | 0 |
| 2026-10-06 | 62K | 116K | 53.3% | 0 |
| 2026-10-05 | 78K | 134K | 58.1% | 0 |
| 2026-10-02 | 162K | 303K | 53.6% | 1,279 |
| 2026-10-01 | 141K | 292K | 48.2% | 0 |
| 2026-09-30 | 96K | 171K | 55.9% | 0 |
| 2026-09-29 | 133K | 198K | 67.2% | 1,701 |
| 2026-09-28 | 110K | 247K | 44.8% | 0 |
| 2026-09-25 | 98K | 163K | 60.1% | 829 |
| 2026-09-24 | 107K | 172K | 62.3% | 0 |
| 2026-09-23 | 201K | 358K | 56.2% | 0 |
| 2026-09-22 | 156K | 256K | 60.7% | 346 |
| 2026-09-21 | 125K | 235K | 53.4% | 200 |
| 2026-09-18 | 124K | 245K | 50.8% | 0 |
| 2026-09-17 | 99K | 192K | 51.8% | 143 |
| 2026-09-16 | 119K | 212K | 55.9% | 586 |
| 2026-09-15 | 101K | 205K | 49.5% | 154 |
| 2026-09-14 | 98K | 187K | 52.5% | 0 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 26 August 2026, the fails-to-deliver balance in MITK is 388 shares, down 11,835 shares over the last settlement date. Over the last 30 readings it ranged from 10 shares (15 July 2026) to 162,233 shares (9 February 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-08-26 | 388 | $18.02 | $7K |
| 2026-08-21 | 12,223 | $18.52 | $226K |
| 2026-08-20 | 2,394 | $18.88 | $45K |
| 2026-08-04 | 627 | $16.99 | $11K |
| 2026-07-23 | 256 | $17.16 | $4K |
| 2026-07-15 | 10 | $19.46 | $195 |
| 2026-07-02 | 100 | $20.14 | $2K |
| 2026-06-29 | 29,796 | $19.29 | $575K |
| 2026-06-26 | 33 | $17.65 | $582 |
| 2026-06-03 | 19 | $17.57 | $334 |
| 2026-05-19 | 28,500 | $14.13 | $403K |
| 2026-05-13 | 18,655 | $14.67 | $274K |
| 2026-05-12 | 31,552 | $14.98 | $473K |
| 2026-05-06 | 600 | $15.40 | $9K |
| 2026-04-22 | 8,455 | $15.25 | $129K |
| 2026-04-20 | 1,000 | $15.15 | $15K |
| 2026-03-26 | 1,972 | $14.17 | $28K |
| 2026-03-23 | 457 | $14.08 | $6K |
| 2026-03-18 | 748 | $14.38 | $11K |
| 2026-03-12 | 17 | $14.63 | $249 |
| 2026-03-03 | 670 | $14.75 | $10K |
| 2026-02-20 | 3,104 | $13.20 | $41K |
| 2026-02-09 | 162,233 | $11.83 | $1.9M |
| 2026-01-20 | 1,100 | $10.04 | $11K |
| 2026-01-13 | 857 | $10.62 | $9K |
| 2026-01-02 | 636 | $10.55 | $7K |
| 2025-12-30 | 81 | $10.49 | $850 |
| 2025-12-29 | 16 | $10.54 | $169 |
| 2025-12-26 | 217 | $10.45 | $2K |
| 2025-12-24 | 217 | $10.48 | $2K |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for MITK in the last 90 days. The most recent filings are listed below. Latest filing: WEST EDWARD H (Chief Executive Officer) on 2026-10-01.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-10-01 | WEST EDWARD H | Chief Executive Officer | Tax withholding | 126K | $17.95 | $2.3M | 639K |
| 2026-10-01 | WEST EDWARD H | Chief Executive Officer | Exercise or conversion | 275K | $0.00 | $0 | 765K |
| 2026-08-17 | Seyler Aaron Graeme | Chief Revenue Officer | Grant | 67K | $0.00 | $0 | 67K |
| 2026-08-14 | WEST EDWARD H | Chief Executive Officer | Tax withholding | 45K | $19.43 | $883K | 490K |
| 2026-08-14 | WEST EDWARD H | Chief Executive Officer | Exercise or conversion | 116K | $0.00 | $0 | 536K |
| 2026-05-15 | Gafke Garrett | Chief Operating Officer | Sell | 21K | $14.19 | $300K | 244K |
| 2026-04-28 | Gafke Garrett | Chief Operating Officer | Sell | 153K | $13.92 | $2.1M | 265K |
| 2026-04-25 | Gafke Garrett | Chief Operating Officer | Exercise or conversion | 240K | $0.00 | $0 | 418K |
| 2026-03-03 | ROSSI MARK | Director | Grant | 11K | $0.00 | $0 | 48K |
| 2026-03-03 | Stevenson Kimberly S | Director | Grant | 11K | $0.00 | $0 | 96K |
| 2026-03-03 | Wells Donna | Director | Grant | 11K | $0.00 | $0 | 90K |
| 2026-03-03 | Repo Susan | Director | Grant | 11K | $0.00 | $0 | 81K |
| 2026-03-03 | Gupta Rahul | Director | Grant | 11K | $0.00 | $0 | 77K |
| 2026-03-03 | Gray Jason | GC, Secretary & Admin Officer | Sell | 73K | $14.74 | $1.1M | 209K |
| 2026-03-03 | Gray Jason | GC, Secretary & Admin Officer | Exercise or conversion | 30K | $9.50 | $288K | 282K |
| 2026-03-03 | Gray Jason | GC, Secretary & Admin Officer | Exercise or conversion | 33K | $8.60 | $283K | 252K |
| 2026-03-03 | Fay James Daniel | Director | Grant | 11K | $0.00 | $0 | 38K |
| 2026-03-03 | Carter Scott R | Director | Grant | 11K | $0.00 | $0 | 192K |
| 2026-02-05 | BELL ERIC CHRISTOPHER | Chief Accounting Officer | Grant | 10K | $0.00 | $0 | 64K |
| 2026-01-02 | Lyle David | Chief Financial Officer | Tax withholding | 15K | $9.97 | $148K | 193K |
| 2026-01-02 | Lyle David | Chief Financial Officer | Exercise or conversion | 13K | $0.00 | $0 | 207K |
| 2025-12-10 | Gray Jason | GC, Secretary & Admin Officer | Tax withholding | 20K | $9.23 | $183K | 219K |
| 2025-12-10 | Gray Jason | GC, Secretary & Admin Officer | Exercise or conversion | 20K | $9.23 | $185K | 239K |
| 2025-12-08 | Lyle David | Chief Financial Officer | Tax withholding | 19K | $9.14 | $175K | 195K |
| 2025-12-08 | Lyle David | Chief Financial Officer | Exercise or conversion | 20K | $9.14 | $187K | 214K |
| 2025-12-08 | Gray Jason | GC, Secretary & Admin Officer | Tax withholding | 14K | $9.14 | $126K | 219K |
| 2025-12-08 | Gray Jason | GC, Secretary & Admin Officer | Exercise or conversion | 15K | $9.14 | $133K | 232K |
| 2025-11-19 | WEST EDWARD H | Chief Executive Officer | Grant | 115K | $8.72 | $1.0M | 420K |
| 2025-11-19 | Lyle David | Chief Financial Officer | Grant | 69K | $8.72 | $600K | 193K |
| 2025-11-19 | Gray Jason | GC, Secretary & Admin Officer | Grant | 49K | $8.72 | $425K | 218K |
| 2025-11-19 | Gafke Garrett | Chief Operating Officer | Grant | 57K | $8.72 | $500K | 178K |
| 2025-10-01 | WEST EDWARD H | Chief Executive Officer | Tax withholding | 106K | $9.77 | $1.0M | 305K |
| 2025-10-01 | WEST EDWARD H | Chief Executive Officer | Exercise or conversion | 224K | $9.77 | $2.2M | 411K |
| 2025-06-13 | Diamond Michael E | General Manager | Sell | 70K | $9.77 | $687K | 233K |
| 2025-04-28 | Briggs Christopher H | Other | Tax withholding | 2K | $8.35 | $18K | 102K |
| 2025-04-25 | Gafke Garrett | Chief Operating Officer | Grant | 120K | $0.00 | $0 | 120K |
| 2025-03-07 | ROSSI MARK | Director | Buy | 3K | $8.91 | $22K | 36K |
| 2025-03-06 | ROSSI MARK | Director | Buy | 3K | $8.97 | $22K | 34K |
| 2025-03-06 | Carter Scott R | Director | Buy | 12K | $9.08 | $109K | 192K |
| 2025-03-06 | ROSSI MARK | Director | Buy | 3K | $9.14 | $23K | 31K |
| 2025-03-04 | ROSSI MARK | Director | Grant | 19K | $9.07 | $170K | 29K |
| 2025-03-04 | Wells Donna | Director | Grant | 19K | $9.07 | $170K | 78K |
| 2025-03-04 | Stevenson Kimberly S | Director | Grant | 19K | $9.07 | $170K | 85K |
| 2025-03-04 | Repo Susan | Director | Grant | 19K | $9.07 | $170K | 69K |
| 2025-03-04 | GUPTA RAHUL | Director | Grant | 19K | $9.07 | $170K | 66K |
| 2025-03-04 | Fay James Daniel | Director | Grant | 19K | $9.07 | $170K | 38K |
| 2025-03-04 | Carter Scott R | Director | Grant | 19K | $9.07 | $170K | 180K |
| 2025-02-20 | Stevenson Kimberly S | Director | Buy | 10K | $9.18 | $92K | 66K |
| 2025-02-20 | WEST EDWARD H | Chief Executive Officer | Buy | 55K | $9.21 | $507K | 55K |
| 2025-02-18 | Diamond Michael E | Other | Exercise or conversion | 8K | $8.60 | $71K | 194K |
| 2025-02-18 | Diamond Michael E | Other | Exercise or conversion | 20K | $9.50 | $194K | 214K |
| 2025-02-13 | Diamond Michael E | Other | Sell | 36K | $10.14 | $369K | 185K |
| 2024-12-11 | Gray Jason | GC, Secretary & Admin Officer | Sell | 6K | $9.07 | $56K | 164K |
| 2024-12-08 | Gray Jason | GC, Secretary & Admin Officer | Grant | 47K | $9.06 | $425K | 173K |
| 2024-12-08 | Lyle David | Chief Financial Officer | Grant | 66K | $9.06 | $600K | 124K |
| 2024-12-08 | Gray Jason | GC, Secretary & Admin Officer | Grant | 47K | $9.06 | $425K | 171K |
| 2024-12-06 | Diamond Michael E | Other | Grant | 55K | $9.06 | $500K | 222K |
| 2024-12-06 | Briggs Christopher H | Other | Grant | 28K | $9.06 | $250K | 93K |
| 2024-12-03 | Diamond Michael E | Other | Sell | 2K | $9.09 | $17K | 167K |
| 2024-12-03 | Diamond Michael E | Other | Sell | 3K | $9.09 | $24K | 168K |
| 2024-12-03 | Briggs Christopher H | Other | Sell | 2K | $9.06 | $14K | 65K |
| 2024-12-03 | Briggs Christopher H | Other | Sell | 2K | $9.09 | $16K | 67K |
| 2024-11-29 | Diamond Michael E | Other | Sell | 1K | $9.30 | $10K | 171K |
| 2024-11-27 | Diamond Michael E | Other | Sell | 2K | $9.27 | $14K | 172K |
| 2024-10-21 | Fay James Daniel | Director | Grant | 19K | $0.00 | $0 | 19K |
| 2024-10-11 | HALE JAMES C III | Director | Exercise or conversion | 40K | $2.66 | $106K | 238K |
| 2024-10-01 | WEST EDWARD H | Chief Executive Officer | Grant | 187K | $0.00 | $0 | 187K |
| 2024-09-10 | GUPTA RAHUL | Director | Grant | 21K | $8.10 | $170K | 47K |
| 2024-09-10 | HALE JAMES C III | Director | Grant | 21K | $8.10 | $170K | 198K |
| 2024-09-10 | Repo Susan | Director | Grant | 21K | $8.10 | $170K | 51K |
| 2024-09-10 | Stevenson Kimberly S | Director | Grant | 21K | $8.10 | $170K | 56K |
| 2024-09-10 | Wells Donna | Director | Grant | 21K | $8.10 | $170K | 60K |
| 2024-06-14 | Briggs Christopher H | Other | Sell | 24K | $11.10 | $266K | 69K |
| 2024-06-07 | Wells Donna | Director | Sell | 17K | $12.46 | $210K | 39K |
| 2024-06-04 | Carter Scott R | Interim CEO | Grant | 40K | $12.39 | $500K | 161K |
| 2024-05-16 | Briggs Christopher H | Other | Tax withholding | 2K | $13.75 | $25K | 105K |
| 2024-05-16 | Briggs Christopher H | Other | Tax withholding | 6K | $13.75 | $77K | 105K |
| 2024-05-16 | Briggs Christopher H | Other | Exercise or conversion | 18K | price not stated in the filing | not stated | 105K |
| 2024-01-02 | Lyle David | Chief Financial Officer | Grant | 58K | $12.89 | $750K | 58K |
| 2023-12-10 | Gray Jason | GC, Secretary & Admin Officer | Grant | 69K | $10.85 | $750K | 124K |
| 2023-12-07 | Briggs Christopher H | Other | Sell | 2K | $10.86 | $25K | 93K |
| 2023-12-07 | Diamond Michael E | Other | Sell | 2K | $10.86 | $19K | 272K |
| 2023-12-07 | Diamond Michael E | Other | Sell | 2K | $10.86 | $27K | 269K |
| 2023-12-07 | Diamond Michael E | Other | Sell | 3K | $10.86 | $33K | 266K |
| 2023-12-07 | CARNECCHIA SCIPIO MAXIMUS | Chief Executive Officer | Sell | 16K | $10.86 | $170K | 541K |
| 2023-12-07 | CARNECCHIA SCIPIO MAXIMUS | Chief Executive Officer | Sell | 22K | $10.86 | $238K | 519K |
| 2023-12-07 | CARNECCHIA SCIPIO MAXIMUS | Chief Executive Officer | Sell | 19K | $10.86 | $202K | 501K |
| 2023-12-01 | Briggs Christopher H | Other | Grant | 29K | $11.35 | $325K | 87K |
| 2023-12-01 | CARNECCHIA SCIPIO MAXIMUS | Chief Executive Officer | Grant | 88K | $11.35 | $1.0M | 533K |
| 2023-12-01 | Diamond Michael E | Other | Grant | 35K | $11.35 | $400K | 267K |
| 2023-12-01 | Briggs Christopher H | Other | Sell | 2K | $11.07 | $17K | 95K |
| 2023-12-01 | Diamond Michael E | Other | Sell | 2K | $11.07 | $22K | 274K |
| 2023-12-01 | CARNECCHIA SCIPIO MAXIMUS | Chief Executive Officer | Sell | 12K | $11.07 | $137K | 557K |
| 2023-11-30 | Briggs Christopher H | Other | Exercise or conversion | 9K | $0.00 | $0 | 96K |
| 2023-11-30 | Diamond Michael E | Other | Exercise or conversion | 9K | $0.00 | $0 | 276K |
| 2023-11-30 | CARNECCHIA SCIPIO MAXIMUS | Chief Executive Officer | Exercise or conversion | 36K | $0.00 | $0 | 569K |
| 2023-11-27 | Diamond Michael E | Other | Tax withholding | 1K | $11.04 | $13K | 304K |
| 2023-11-27 | Diamond Michael E | Other | Tax withholding | 2K | $11.04 | $19K | 304K |
| 2023-11-27 | Diamond Michael E | Other | Exercise or conversion | 5K | $0.00 | $0 | 224K |
| 2023-11-27 | CARNECCHIA SCIPIO MAXIMUS | Chief Executive Officer | Exercise or conversion | 31K | $0.00 | $0 | 445K |
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. JSON3 Form 144 notices on file for MITK worth $1.5M at the prices reported; 0 in the last 90 days worth $0. Latest: GARRETT GAFKE filed on 2026-05-15 to sell 21,108 shares ($300K) from 2026-05-15.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-05-15 | GARRETT GAFKEOfficer | 21K | $300K | 0.047% | 2026-05-15 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-03-03 | JASON Lane GRAYOfficer | 73K | $1.1M | 0.161% | 2026-03-03 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-16 | MICHAEL E DIAMONDOfficer | 18K | $170K | 0.039% | 2025-12-16 | Morgan Stanley Smith Barney LLC Executive Financial Services |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSONNo holder on file reports 5% or more of MITK in its latest filing.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-03-27 | 13G/Ano. 5 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
13F holders
Tracked managers holding MITK at their latest 13F. JSON6 of the 30 tracked managers held MITK at their latest 13F, $36.2M in total at quarter-end prices. Millennium Management is the largest at $17.2M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 3 added shares and 3 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Millennium Management | 2026-06-30 | 854K | $17.2M | 0.01% | new |
| AQR Capital Management | 2026-06-30 | 332K | $6.7M | 0.00% | +13K |
| Citadel Advisors | 2026-06-30 | 303K | $6.1M | 0.00% | +107K |
| Two Sigma Investments | 2026-06-30 | 142K | $2.9M | 0.00% | -91K |
| Renaissance Technologies | 2026-06-30 | 123K | $2.5M | 0.00% | -307K |
| D. E. Shaw & Co. | 2026-06-30 | 43K | $872K | 0.00% | -81K |
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.
What this page is
Mitek Systems 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 Mitek Systems (MITK), SEC CIK 807863, listed on Nasdaq, classified by the SEC as computer peripheral equipment, nec. 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 2026-09-30.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-23.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-08-26.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 2026-05-15.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 2026-03-27.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
- 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 2026-08-06.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 2026-10-01.JSON and CSV
- Company record
- EDGAR filing index for CIK 807863Ticker, 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 MITK is sold short?
4,515,543 shares were held short at the 2026-09-30 settlement, 6.8 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 MITK's daily short volume?
On 2026-10-23, 118,937 of the 214,590 MITK shares reported to FINRA were sold short, 55.4% of the day's reported volume. Short volume is a flow for one day, not a position.
Does MITK have fails to deliver?
The SEC's latest file shows 388 MITK shares failed to deliver at settlement 2026-08-26. Fails are reported per settlement date and published twice a month with a lag.
Are MITK insiders buying or selling?
No open-market insider trades were reported for MITK in the last 90 days. The most recent filings are listed below. Latest filing: WEST EDWARD H (Chief Executive Officer) on 2026-10-01.
Have MITK insiders filed to sell?
3 Form 144 notices on file for MITK worth $1.5M at the prices reported; 0 in the last 90 days worth $0. Latest: GARRETT GAFKE filed on 2026-05-15 to sell 21,108 shares ($300K) from 2026-05-15.
Who owns 5% or more of MITK?
No holder on file reports 5% or more of MITK in its latest filing.
Which tracked 13F managers own MITK?
6 of the 30 tracked 13F managers held MITK shares at their latest filing, $36.2M in all. The largest: Izzy Englander's Millennium Management (854K shares, $17.2M), Cliff Asness's AQR Capital Management (332K shares, $6.7M), Ken Griffin's Citadel Advisors (303K shares, $6.1M), Two Sigma Investments (142K shares, $2.9M), Renaissance Technologies (123K shares, $2.5M), D. E. Shaw & Co. (43K shares, $872K).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.