OUSTER INC (OUST)
Institutional ownership reported to the SEC as of Q2 2026, across 23 quarters.
Institutions report 35,751,476 shares against 72,112,333 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end.
Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | $347.4M | 5,557,143 | 0.01% | 8q | +5.0%+$16.7M |
| VANGUARD CAPITAL MANAGEMENT LLC | $169.3M | 2,707,939 | 0.00% | 2q | +1.6%+$2.7M |
| JANE STREET GROUP, LLC | $163.9M CALL+PUT | options only | 0.01% | 13q | OPTIONS |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $137.2M incl. $118.0M options CALL+PUT | 307,109 | 0.01% | 13q | +48.6%+$44.8M |
| STATE STREET CORP | $128.3M | 2,052,274 | 0.00% | 13q | +25.7%+$26.2M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $112.7M | 1,802,819 | 0.01% | 2q | +1.8%+$2.0M |
| CITADEL ADVISORS LLC | $110.8M incl. $81.0M options CALL+PUT | 476,586 | 0.01% | 13q | +119.1%+$60.2M |
| GEODE CAPITAL MANAGEMENT, LLC | $102.7M | 1,642,981 | 0.01% | 13q | +13.3%+$12.1M |
| MORGAN STANLEY | $77.8M | 1,243,895 | 0.00% | 13q | +69.7%+$31.9M |
| IMC-Chicago, LLC | $71.5M CALL+PUT | options only | 0.02% | 7q | OPTIONS |
| PRICE T ROWE ASSOCIATES INC /MD/ | $63.9M | 1,021,353 | 0.01% | 8q | +2011.4%+$60.8M |
| GROUP ONE TRADING LLC | $46.2M incl. $33.0M options CALL+PUT | 212,447 | 0.07% | 7q | +61.0%+$17.5M |
| EXCHANGE TRADED CONCEPTS, LLC | $41.8M | 669,170 | 0.19% | 5q | +1184.3%+$38.6M |
| Penn Capital Management Company, LLC | $41.1M | 656,088 | 2.61% | 13q | -32.3%-$19.6M |
| JPMORGAN CHASE & CO | $39.6M incl. $86.5K options CALL | 728,688 | 0.00% | 9q | +258.2%+$28.6M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $37.7M | 612,654 | 0.04% | 8q | +18.6%+$5.9M |
| Legal & General Group Plc | $37.6M | 601,815 | 0.01% | 9q | +1225.3%+$34.8M |
| RENAISSANCE TECHNOLOGIES LLC | $36.0M | 575,900 | 0.05% | 2q | +334.3%+$27.7M |
| NORTHERN TRUST CORP | $35.3M | 564,023 | 0.00% | 13q | +16.1%+$4.9M |
| OBERWEIS ASSET MANAGEMENT INC/ | $34.1M | 545,810 | 0.71% | new | NEW |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $33.4M | 533,951 | 0.00% | 13q | +9.4%+$2.9M |
| VANGUARD FIDUCIARY TRUST CO | $28.3M | 452,368 | 0.01% | 2q | +8.9%+$2.3M |
| Shannon River Fund Management LLC | $28.1M | 449,264 | 2.51% | new | NEW |
| DIMENSIONAL FUND ADVISORS LP | $27.8M | 445,274 | 0.01% | 11q | -8.0%-$2.4M |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | $25.7M incl. $10.1M options CALL | 250,000 | 0.45% | new | NEW |
| NEW YORK STATE COMMON RETIREMENT FUND | $25.6M | 410,092 | 0.03% | 13q | -30.3%-$11.1M |
| Baird Financial Group, Inc. | $25.2M | 403,365 | 0.03% | new | NEW |
| PEAK6 LLC | $25.2M incl. $23.8M options CALL+PUT | 21,808 | 0.05% | 7q | -28.0%-$9.8M |
| Walleye Trading LLC | $24.9M incl. $16.1M options CALL+PUT | 139,514 | 0.03% | 7q | +661.8%+$21.6M |
| GOLDMAN SACHS GROUP INC | $22.8M | 364,768 | 0.00% | 11q | -55.9%-$28.9M |
| AMERIPRISE FINANCIAL INC | $22.5M | 354,622 | 0.00% | 13q | +26.6%+$4.7M |
| Point72 Asset Management, L.P. | $21.6M CALL+PUT | options only | 0.02% | 3q | OPTIONS |
| UBS Group AG | $19.9M | 317,774 | 0.00% | 13q | +40.6%+$5.7M |
| Driehaus Capital Management LLC | $19.2M | 307,142 | 0.11% | new | NEW |
| Russell Investments Group, Ltd. | $18.6M | 296,762 | 0.02% | 13q | +37.0%+$5.0M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $17.0M | 271,587 | 0.01% | 2q | -44.0%-$13.4M |
| SIMPLEX TRADING, LLC | $16.5M incl. $13.8M options CALL+PUT | 43,750 | 0.01% | 13q | +120.6%+$9.0M |
| NEXT CENTURY GROWTH INVESTORS LLC | $15.8M | 252,227 | 0.84% | new | NEW |
| DEUTSCHE BANK AG\ | $15.5M | 248,194 | 0.00% | 9q | +44.5%+$4.8M |
| WELLINGTON MANAGEMENT GROUP LLP | $15.4M | 246,061 | 0.00% | new | NEW |
| MACKENZIE FINANCIAL CORP | $15.1M | 241,530 | 0.02% | new | NEW |
| FIRST TRUST ADVISORS LP | $14.7M | 235,721 | 0.01% | 3q | +77.6%+$6.4M |
| D. E. Shaw & Co., Inc. | $14.4M incl. $4.9M options CALL | 152,728 | 0.01% | 11q | -81.9%-$65.1M |
| ESSEX INVESTMENT MANAGEMENT CO LLC | $14.1M | 226,028 | 1.85% | 10q | +22.5%+$2.6M |
| AQR CAPITAL MANAGEMENT LLC | $14.1M | 225,290 | 0.00% | 8q | -2.6%-$383.3K |
| LORD, ABBETT & CO. LLC | $12.8M | 204,352 | 0.04% | 4q | -11.3%-$1.6M |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | $11.6M | 185,218 | 0.08% | 3q | -12.2%-$1.6M |
| Bridgewater Associates, LP | $11.5M | 183,455 | 0.05% | new | NEW |
| BANK OF AMERICA CORP /DE/ | $11.2M | 179,639 | 0.00% | 13q | -17.4%-$2.4M |
| Bank of New York Mellon Corp | $11.2M | 179,008 | 0.00% | 9q | +15.9%+$1.5M |
| Pembroke Management, LTD | $9.8M | 157,480 | 0.70% | new | NEW |
| AWM Investment Company, Inc. | $9.8M | 157,435 | 0.85% | 2q | -15.4%-$1.8M |
| Nuveen, LLC | $9.6M | 152,825 | 0.00% | 6q | +15.1%+$1.3M |
| Hillsdale Investment Management Inc. | $8.2M | 131,410 | 0.19% | 4q | +10.7%+$793.4K |
| RHUMBLINE ADVISERS | $8.1M | 130,264 | 0.01% | 9q | +10.1%+$743.7K |
| SG Americas Securities, LLC | $8.1M | 129,016 | 0.00% | 4q | +1.1%+$89.5K |
| Squarepoint Ops LLC | $7.6M | 122,148 | 0.01% | 8q | +98.0%+$3.8M |
| DNB Asset Management AS | $7.4M | 119,008 | 0.02% | new | NEW |
| Swiss National Bank | $7.3M | 116,600 | 0.00% | 4q | +3.4%+$237.6K |
| LPL Financial LLC | $7.2M | 115,566 | 0.00% | 13q | +25.9%+$1.5M |
| HERALD INVESTMENT MANAGEMENT Ltd | $7.2M | 114,500 | 0.97% | 6q | -23.7%-$2.2M |
| CITIGROUP INC | $7.1M | 112,814 | 0.00% | 13q | +1018.9%+$6.4M |
| FRANKLIN RESOURCES INC | $6.5M | 104,004 | 0.00% | 4q | -11.0%-$802.4K |
| Invesco Ltd. | $6.4M | 101,712 | 0.00% | 9q | +55.3%+$2.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $6.1M | 97,227 | 0.00% | 4q | +1.0%+$59.3K |
| Handelsbanken Fonder AB | $6.0M | 95,674 | 0.02% | 5q | -84.3%-$32.2M |
| Mariner, LLC | $5.8M | 92,988 | 0.01% | 8q | -10.6%-$689.5K |
| SEI INVESTMENTS CO | $5.4M | 87,091 | 0.00% | 5q | -55.1%-$6.7M |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | $5.4M | 86,219 | 0.10% | 2q | +73.7%+$2.3M |
| FMR LLC | $5.4M | 86,095 | 0.00% | 13q | -63.3%-$9.3M |
| RAYMOND JAMES FINANCIAL INC | $5.3M incl. $9.0K options CALL | 85,031 | 0.00% | 7q | -7.3%-$421.7K |
| Legato Capital Management LLC | $5.3M | 84,904 | 0.44% | 10q | +46.8%+$1.7M |
| WELLS FARGO & COMPANY/MN | $5.3M | 84,655 | 0.00% | 13q | +225.9%+$3.7M |
| EP Wealth Advisors, LLC | $5.0M | 80,562 | 0.02% | new | NEW |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $4.9M | 77,684 | 0.00% | 9q | -2.2%-$107.3K |
| Ranger Investment Management, L.P. | $4.8M | 77,190 | 0.31% | new | NEW |
| ROYCE & ASSOCIATES LP | $4.4M | 71,024 | 0.04% | new | NEW |
| Raiffeisen Bank International AG | $4.3M | 80,000 | 0.05% | 2q | HELD |
| Siren, L.L.C. | $4.2M | 67,500 | 0.09% | new | NEW |
| BW Gestao de Investimentos Ltda. | $4.1M | 66,000 | 0.08% | 2q | -37.7%-$2.5M |
| Caitong International Asset Management Co., Ltd | $4.1M | 65,711 | 0.56% | new | NEW |
| 180 WEALTH ADVISORS, LLC | $3.7M | 58,546 | 0.37% | 13q | -0.9%-$33.0K |
| FORA Capital, LLC | $3.6M | 58,027 | 0.25% | 5q | +35.5%+$949.7K |
| COMMONWEALTH EQUITY SERVICES, LLC | $3.4M | 53,626 | 0.00% | 5q | +37.4%+$912.9K |
| Mitsubishi UFJ Asset Management Co., Ltd. | $3.3M | 53,225 | 0.00% | 11q | -30.8%-$1.5M |
| STATE OF WISCONSIN INVESTMENT BOARD | $3.3M | 52,941 | 0.01% | 4q | -16.8%-$669.7K |
| Hennion & Walsh Asset Management, Inc. | $3.2M | 51,793 | 0.09% | 5q | -1.4%-$45.4K |
| Creative Planning | $3.1M | 50,341 | 0.00% | 7q | +7.4%+$217.6K |
| Lisanti Capital Growth, LLC | $3.1M | 49,830 | 0.69% | new | NEW |
| XTX Topco Ltd | $3.1M | 49,032 | 0.04% | 4q | +39.0%+$860.4K |
| ALGERT GLOBAL LLC | $2.9M | 46,950 | 0.03% | 6q | -32.3%-$1.4M |
| FirstWave Capital Management LLC | $2.9M | 46,043 | 1.27% | new | NEW |
| INTERCAPITAL, LLC | $2.9M incl. $875.3K options CALL | 32,000 | 0.72% | new | NEW |
| BENJAMIN EDWARDS INC | $2.9M | 45,808 | 0.03% | 4q | +88.3%+$1.3M |
| Patten Group, Inc. | $2.8M | 44,417 | 0.43% | 2q | +285.3%+$2.1M |
| MARSHALL WACE, LLP | $2.7M | 43,900 | 0.00% | new | NEW |
| Penserra Capital Management LLC | $2.7M | 43,902 | 0.02% | new | NEW |
| VANGUARD ASSET MANAGEMENT, Ltd | $2.7M | 43,414 | 0.00% | 2q | +10.7%+$263.4K |
| PANAGORA ASSET MANAGEMENT INC | $2.7M | 42,502 | 0.01% | 6q | -58.3%-$3.7M |
| DISCOVERY CAPITAL MANAGEMENT, LLC / CT | $2.5M | 40,674 | 0.11% | new | NEW |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-10-30 | 13G | Vanguard Capital Management | 5.0% |
What the insiders did
Open market purchases and sales reported on Form 4 in the last 180 days. Grants, option exercises and shares surrendered to cover tax are left out: they are compensation rather than a decision to buy or sell. Where a broker filled one order in tranches the lines are summed, because it was one decision.
Officers and directors
| Date | Insider | Role | Side | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-26 | Frichtl Mark | Chief Technology Officer | Sold | 308,742 | $12.8M ×7 |
| 2026-05-13 | Frichtl Mark | Chief Technology Officer | Sold | 136,434 | $4.4M ×6 |
| 2026-05-22 | Frichtl Mark | Chief Technology Officer | Sold | 75,684 | $2.8M ×2 |
| 2026-06-12 | Gianella Kenneth P. | Chief Financial Officer | Sold | 54,337 | $2.1M |
| 2026-08-18 | Gianella Kenneth P. | Chief Financial Officer | Sold | 40,000 | $1.8M ×4 |
| 2026-05-14 | Frichtl Mark | Chief Technology Officer | Sold | 40,000 | $1.4M |
| 2026-05-26 | SPENCER DARIEN | Chief Operating Officer | Sold | 30,000 | $1.4M |
| 2026-08-04 | SPENCER DARIEN | Chief Operating Officer | Sold | 30,000 | $1.4M |
| 2026-06-12 | Pacala Charles Angus | President and CEO | Sold | 29,797 | $1.2M |
| 2026-09-14 | Pacala Charles Angus | President and CEO | Sold | 30,385 | $1.0M |
| 2026-06-12 | Frichtl Mark | Chief Technology Officer | Sold | 18,414 | $714.9K |
| 2026-09-14 | Frichtl Mark | Chief Technology Officer | Sold | 18,778 | $637.7K |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2026 | 74 | $63.5M | 1,572,736 | 15 | 26 | 10 | 0.0% |
| Q2 2026 | 338 | $2.8B | 35,751,476 | 135 | 93 | 66 | 20.2% |
| Q1 2026 | 234 | $639.8M | 29,998,835 | 41 | 89 | 50 | 13.3% |
| Q4 2025 | 231 | $766.7M | 30,191,708 | 41 | 80 | 68 | 15.0% |
| Q3 2025 | 237 | $1.1B | 32,935,486 | 69 | 71 | 56 | 15.2% |
| Q2 2025 | 205 | $789.1M | 27,586,814 | 69 | 62 | 42 | 15.2% |
| Q1 2025 | 162 | $233.4M | 23,449,711 | 32 | 53 | 38 | 9.8% |
| Q4 2024 | 150 | $306.1M | 23,088,828 | 36 | 64 | 17 | 7.6% |
| Q3 2024 | 136 | $143.1M | 21,211,404 | 33 | 44 | 22 | 6.6% |
| Q2 2024 | 129 | $191.5M | 18,357,498 | 40 | 28 | 28 | 5.8% |
| Q1 2024 | 108 | $118.4M | 14,323,272 | 20 | 31 | 18 | 3.9% |
| Q4 2023 | 114 | $108.2M | 12,961,668 | 34 | 35 | 17 | 8.5% |
| Q3 2023 | 91 | $48.9M | 8,937,189 | 18 | 24 | 15 | 8.0% |
| Q2 2023 | 87 | $39.3M | 7,219,597 | 88 | 1 | 1 | 9.1% |
| Q1 2023 | 143 | $82.6M | 96,844,626 | 62 | 57 | 7 | 1.9% |
| Q4 2022 | 104 | $47.9M | 52,793,983 | 12 | 32 | 29 | 4.5% |
| Q3 2022 | 111 | $53.6M | 52,971,930 | 14 | 35 | 27 | 4.8% |
| Q2 2022 | 121 | $100.0M | 58,870,381 | 22 | 39 | 30 | 4.6% |
| Q1 2022 | 116 | $364.1M | 77,739,620 | 21 | 27 | 38 | 4.5% |
| Q4 2021 | 120 | $625.6M | 117,518,557 | 40 | 45 | 13 | 2.3% |
| Q3 2021 | 106 | $368.8M | 47,681,641 | 27 | 20 | 22 | 5.3% |
| Q2 2021 | 103 | $1.3B | 103,054,004 | 48 | 15 | 24 | 3.3% |
| Q1 2021 | 88 | $220.2M | 22,255,458 | 90 | 0 | 0 | 14.5% |
