Security record · archived quarter
OUST
Ouster, Inc. · Technology · Semiconductors
19Tracked holders
+2Δ holders
17.00MShares held
$459.72MReported value
+2New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +11.8% ·
share flow +0.9% ·
net new positions +10.5%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 104 | +22 | 26.16M | $1.63B | +25 | −3 |
| Q1 2026 | 85 | -4 | 21.87M | $401.66M | +10 | −14 |
| Q4 2025 | 89 | -4 | 24.27M | $510.60M | — | −4 |
| Q3 2025 | 19 | +2 | 17.00M | $459.72M | +2 | — |
| Q2 2025 | 14 | +2 | 15.41M | $373.76M | +2 | — |
| Q1 2025 | 9 | +2 | 5.82M | $52.30M | +2 | — |
| Q4 2024 | 7 | -3 | 5.29M | $64.45M | — | −3 |
| Q3 2024 | 9 | 0 | 4.72M | $29.48M | +1 | −1 |
| Q2 2024 | 9 | — | 3.74M | $36.29M | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.87M | +20.6% | $131.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 4.87M | +20.6% | $131.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 4.87M | +20.6% | $131.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 4.87M | +20.6% | $131.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 4.87M | +20.6% | $131.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.87M | +20.6% | $131.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.87M | +20.6% | $131.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.87M | +20.6% | $131.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 4.87M | +20.6% | $131.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 4.87M | +20.6% | $131.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 4.87M | +20.6% | $131.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 4.87M | +20.6% | $131.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 4.87M | +20.6% | $131.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | The Vanguard Group ✦ (passive) | 4.72M | +11.3% | $127.68M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 4.72M | +11.3% | $127.68M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 4.72M | +11.3% | $127.68M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 4.72M | +11.3% | $127.68M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 4.72M | +11.3% | $127.68M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 19 | State Street Global Advisors ✦ (passive) | 1.79M | +7.1% | $48.44M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 20 | Geode Capital Management ✦ (passive) | 1.30M | +9.4% | $35.25M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 21 | Geode Capital Management ✦ (passive) | 1.30M | +9.4% | $35.25M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 22 | Morgan Stanley ✦ | 788.57K | — | $21.33M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | Morgan Stanley ✦ | 788.57K | — | $21.33M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 788.57K | — | $21.33M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Morgan Stanley ✦ | 788.57K | — | $21.33M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 788.57K | — | $21.33M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 788.57K | — | $21.33M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Morgan Stanley ✦ | 788.57K | — | $21.33M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Morgan Stanley ✦ | 788.57K | — | $21.33M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Renaissance Technologies ✦ | 783.00K | +100.5% | $21.18M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Millennium Management ✦ | 505.22K | -52.6% | $13.67M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 32 | JPMorgan Chase ✦ | 370.40K | — | $10.02M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | JPMorgan Chase ✦ | 370.40K | — | $10.02M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | JPMorgan Chase ✦ | 370.40K | — | $10.02M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | JPMorgan Chase ✦ | 370.40K | — | $10.02M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 370.40K | — | $10.02M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | JPMorgan Chase ✦ | 370.40K | — | $10.02M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 370.40K | — | $10.02M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 370.40K | — | $10.02M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Arrowstreet Capital ✦ | 339.87K | New | $9.19M | 0.0% | New | 1 | SEC ↗ |
| 41 | Citadel Advisors ✦ | 308.09K | -41.2% | $8.33M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 42 | D. E. Shaw & Co. ✦ | 278.71K | -73.8% | $7.54M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 43 | Goldman Sachs Group ✦ | 269.84K | — | $7.30M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Goldman Sachs Group ✦ | 269.84K | — | $7.30M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | AQR Capital Management ✦ | 236.44K | +2.5% | $6.40M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 46 | AQR Capital Management ✦ | 236.44K | +2.5% | $6.40M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 47 | AQR Capital Management ✦ | 236.44K | +2.5% | $6.40M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 48 | AQR Capital Management ✦ | 236.44K | +2.5% | $6.40M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 49 | AQR Capital Management ✦ | 236.44K | +2.5% | $6.40M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 50 | Fidelity (FMR) ✦ | 159.09K | +3645.1% | $4.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Fidelity (FMR) ✦ | 159.09K | +3645.1% | $4.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Marshall Wace ✦ | 104.70K | -84.8% | $2.83M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 53 | Marshall Wace ✦ | 104.70K | -84.8% | $2.83M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 54 | Marshall Wace ✦ | 104.70K | -84.8% | $2.83M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Gotham Asset Management ✦ | 62.61K | -7.6% | $1.69M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 56 | Two Sigma Investments ✦ | 57.80K | -73.0% | $1.56M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 57 | T. Rowe Price ✦ | 27.11K | +6.8% | $734,000 | 0.0% | ▲ Add | 6 | SEC ↗ |
| 58 | Bridgewater Associates ✦ | 24.27K | New | $656,395 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Arrowstreet Capital | $9.19M | 0.0% |
| Bridgewater Associates | $656,395 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 47.70K shares, $876 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 18
Gianella Kenneth P.
Officer · 17.93K sh · $800,417
Aug 18
Gianella Kenneth P.
Officer · 13.36K sh · $608,387
Aug 18
Gianella Kenneth P.
Officer · 8.20K sh · $380,555
Aug 18
Gianella Kenneth P.
Officer · 508 sh · $23,919
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Jul 29
SC 13G/A — BlackRock, Inc.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q3 2025 ·
Methodology ·
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