OUST
Ouster, Inc. · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth +28.6% ·
share flow +10.2% ·
net new positions +20.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| 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 | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 1.94M | +1.9% | $17.45M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 1.10M | +7.1% | $9.84M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.10M | +7.1% | $9.84M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | Millennium Management ✦ | 972.76K | +79.6% | $8.74M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | Marshall Wace ✦ | 532.91K | New | $4.79M | 0.0% | New | 1 | SEC ↗ |
| 6 | Marshall Wace ✦ | 532.91K | New | $4.79M | 0.0% | New | 1 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 526.25K | +7.5% | $4.73M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | D. E. Shaw & Co. ✦ | 363.73K | -71.2% | $3.27M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 9 | D. E. Shaw & Co. ✦ | 363.73K | -71.2% | $3.27M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 296.31K | +610.0% | $2.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | AQR Capital Management ✦ | 296.31K | +610.0% | $2.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 296.31K | +610.0% | $2.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 296.31K | +610.0% | $2.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 296.31K | +610.0% | $2.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Renaissance Technologies ✦ | 71.90K | New | $645,662 | 0.0% | New | 1 | SEC ↗ |
| 16 | T. Rowe Price ✦ | 20.88K | +12.0% | $188,000 | 0.0% | ▲ Add | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $4.79M | 0.0% |
| Marshall Wace | $4.79M | 0.0% |
| Renaissance Technologies | $645,662 | 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.
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)
Officer · 17.93K sh · $800,417
Officer · 13.36K sh · $608,387
Officer · 8.20K sh · $380,555
Officer · 508 sh · $23,919
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology