Ranked by reported Q2 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. | 5.6M | $347.4M | +5.0% | 8.728% | 0.01% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 2.7M | $169.3M | +1.6% | 4.253% | 0.00% |
| 3 | JANE STREET GROUP, LLC | 2.6M | $163.9M | +1258.2% | 4.117% | 0.01% |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2.2M | $137.2M | +26.7% | 3.446% | 0.01% |
| 5 | STATE STREET CORP | 2.1M | $128.3M | +25.7% | 3.223% | 0.00% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.8M | $112.7M | +1.8% | 2.831% | 0.01% |
| 7 | CITADEL ADVISORS LLC | 1.8M | $110.8M | +94.9% | 2.784% | 0.01% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.6M | $102.7M | +13.3% | 2.580% | 0.01% |
| 9 | MORGAN STANLEY | 1.2M | $77.8M | +69.7% | 1.954% | 0.00% |
| 10 | EXCHANGE TRADED CONCEPTS, LLC | 669K | $41.8M | +1184.3% | 1.051% | 0.10% |
| 11 | Penn Capital Management Company, LLC | 656K | $41.1M | -32.3% | 1.030% | 2.61% |
| 12 | JPMORGAN CHASE & CO | 729K | $39.6M | +258.2% | 1.144% | 0.00% |
| 13 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 613K | $37.7M | +18.6% | 0.962% | 0.04% |
| 14 | Legal & General Group Plc | 602K | $37.6M | +1225.3% | 0.945% | 0.01% |
| 15 | RENAISSANCE TECHNOLOGIES LLC | 576K | $36.0M | +334.3% | 0.904% | 0.05% |
| 16 | NORTHERN TRUST CORP | 564K | $35.3M | +16.1% | 0.886% | 0.00% |
| 17 | OBERWEIS ASSET MANAGEMENT INC/ | 546K | $34.1M | — | 0.857% | 0.71% |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 534K | $33.4M | +9.3% | 0.839% | 0.00% |
| 19 | VANGUARD FIDUCIARY TRUST CO | 452K | $28.3M | +8.9% | 0.711% | 0.01% |
| 20 | Shannon River Fund Management LLC | 449K | $28.1M | — | 0.706% | 2.51% |
| 21 | DIMENSIONAL FUND ADVISORS LP | 445K | $27.8M | -8.0% | 0.699% | 0.01% |
| 22 | SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 411K | $25.7M | — | 0.645% | 0.45% |
| 23 | NEW YORK STATE COMMON RETIREMENT FUND | 410K | $25.6M | -30.3% | 0.644% | 0.03% |
| 24 | Baird Financial Group, Inc. | 403K | $25.2M | — | 0.634% | 0.03% |
| 25 | PEAK6 LLC | 403K | $25.2M | -52.2% | 0.632% | 0.05% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in OUST — a direct measure of their conviction.
Filings activity in OUST during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new OUST position in Q2 2026
Institutions that fully closed their OUST position in Q2 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 332 | +45% | 66.88% | +9.96 pp | $2.55B | +325% |
| Q1 2026 | 229 | +2.7% | 56.92% | 2.82 pp | $601M | 12% |
| Q4 2025 | 223 | 1.8% | 59.74% | 5.97 pp | $679M | 28% |
| Q3 2025 | 227 | +21% | 65.71% | +13.42 pp | $938M | +47% |
| Q2 2025 | 188 | +20% | 52.29% | +4.97 pp | $638M | +216% |
| Q1 2025 | 157 | +15% | 47.32% | +1.17 pp | $202M | 23% |
| Q4 2024 | 137 | +2.2% | 46.15% | 0.79 pp | $261M | +101% |
| Q3 2024 | 134 | — | 46.94% | — | $130M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying OUST stock.
Based on Q2 2026 13F filings, institutional ownership of Ouster, Inc. stands at 66.9%, held across 332 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of OUST, with approximately 5,557,143 shares worth $0.35B as of Q2 2026.
Yes — 4 widely-followed marquee investors appear among the top 25 institutional holders of OUST, including JANE STREET GROUP, LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC, RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for OUST is 88 out of 100 (Strong Smart Money). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
129 institutions opened new positions in OUST during Q2 2026, while 29 fully exited. 182 added to existing positions and 11 trimmed.
OUST institutional ownership rose by 9.96 percentage points quarter-over-quarter, with a net change of +103 holders.
The top 10 institutions account for 54.5% of all reported 13F value in OUST, and the top 25 account for 73.3%.
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