Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in OUST held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 5.3M | $97.2M | +3.0% | 8.309% | 0.00% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 2.7M | $48.9M | β | 4.184% | 0.00% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.8M | $32.5M | β | 2.780% | 0.00% |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.7M | $31.8M | β | 2.720% | 0.00% |
| 5 | STATE STREET CORP | 1.6M | $30.0M | +3.3% | 2.564% | 0.00% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1.5M | $26.6M | +2.0% | 2.277% | 0.00% |
| 7 | Penn Capital Management Company, LLC | 970K | $17.9M | +25.1% | 1.523% | 1.38% |
| 8 | CITADEL ADVISORS LLC | 909K | $16.7M | -34.2% | 1.428% | 0.01% |
| 9 | Tao Capital Management LP | 845K | $15.5M | 0.0% | 1.328% | 13.07% |
| 10 | D. E. Shaw & Co., Inc. | 842K | $15.5M | -16.5% | 1.323% | 0.01% |
| 11 | GOLDMAN SACHS GROUP INC | 826K | $15.2M | +121.5% | 1.298% | 0.00% |
| 12 | MORGAN STANLEY | 733K | $13.5M | +4.2% | 1.151% | 0.00% |
| 13 | NEW YORK STATE COMMON RETIREMENT FUND | 588K | $10.8M | +22.6% | 0.924% | 0.02% |
| 14 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 517K | $9.5M | +1934.8% | 0.812% | 0.01% |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 488K | $9.0M | +0.2% | 0.767% | 0.00% |
| 16 | NORTHERN TRUST CORP | 486K | $8.9M | +5.0% | 0.763% | 0.00% |
| 17 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 485K | $8.9M | β | 0.762% | 0.00% |
| 18 | DIMENSIONAL FUND ADVISORS LP | 484K | $8.9M | +7.2% | 0.760% | 0.00% |
| 19 | VANGUARD FIDUCIARY TRUST CO | 416K | $7.6M | β | 0.653% | 0.00% |
| 20 | Bastion Asset Management Inc. | 274K | $5.3M | β | 0.430% | 1.61% |
| 21 | AMERIPRISE FINANCIAL INC | 280K | $5.1M | +32.2% | 0.440% | 0.00% |
| 22 | Swiss Life Asset Management Ltd | 26K | $4.7M | β | 0.041% | 0.02% |
| 23 | FMR LLC | 235K | $4.3M | +17.3% | 0.369% | 0.00% |
| 24 | AQR CAPITAL MANAGEMENT LLC | 231K | $4.3M | -7.7% | 0.364% | 0.00% |
| 25 | UBS Group AG | 226K | $4.2M | -25.1% | 0.355% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in OUST β a direct measure of their conviction.
Filings activity in OUST during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new OUST position in Q1 2026
Institutions that fully closed their OUST position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 220 | +1.9% | 22.50% | 2.04 pp | $570M | 8.3% |
| Q4 2025 | 216 | 1.4% | 24.54% | 9.98 pp | $622M | 29% |
| Q3 2025 | 219 | +16% | 34.52% | +9.35 pp | $875M | +37% |
| Q2 2025 | 188 | +20% | 25.17% | +17.21 pp | $638M | +216% |
| Q1 2025 | 157 | +15% | 7.96% | 2.33 pp | $202M | 23% |
| Q4 2024 | 137 | +2.2% | 10.29% | +5.18 pp | $261M | +101% |
| Q3 2024 | 134 | +6.3% | 5.11% | 2.06 pp | $130M | 29% |
| Q2 2024 | 126 | β | 7.17% | β | $182M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying OUST stock.
Based on Q1 2026 13F filings, institutional ownership of Ouster, Inc. stands at 22.5%, held across 220 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of OUST, with approximately 5,290,375 shares worth $0.10B as of Q1 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of OUST, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC.
Our composite Smart Money Score for OUST is 46 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
50 institutions opened new positions in OUST during Q1 2026, while 46 fully exited. 56 added to existing positions and 113 trimmed.
OUST institutional ownership fell by 2.04 percentage points quarter-over-quarter, with a net change of +4 holders.
The top 10 institutions account for 58.3% of all reported 13F value in OUST, and the top 25 account for 79.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Ouster, Inc. (OUST) Institutional Ownership