Security record · archived quarter
OUST
Ouster, Inc. · Technology · Semiconductors
85Tracked holders
-4Δ holders
21.87MShares held
$401.66MReported value
+10New positions
−14Exits
Momentum inputs (comparable managers):
holder breadth -4.5% ·
share flow -1.5% ·
net new positions -4.7%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
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 · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 5.29M | +3.0% | $97.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 18 | Vanguard Capital Management Llc | 2.66M | — | $48.94M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | State Street Global Advisors ✦ (passive) | 1.63M | +3.3% | $29.99M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 20 | Geode Capital Management ✦ (passive) | 1.45M | +2.0% | $26.64M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 21 | Geode Capital Management ✦ (passive) | 1.45M | +2.0% | $26.64M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 22 | D. E. Shaw & Co. ✦ | 842.09K | -1.2% | $15.47M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 23 | Goldman Sachs Group ✦ | 826.23K | +121.5% | $15.18M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 24 | Goldman Sachs Group ✦ | 826.23K | +121.5% | $15.18M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 25 | Goldman Sachs Group ✦ | 826.23K | +121.5% | $15.18M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 732.98K | +4.2% | $13.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 732.98K | +4.2% | $13.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | Morgan Stanley ✦ | 732.98K | +4.2% | $13.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | Morgan Stanley ✦ | 732.98K | +4.2% | $13.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | Morgan Stanley ✦ | 732.98K | +4.2% | $13.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Morgan Stanley ✦ | 732.98K | +4.2% | $13.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Morgan Stanley ✦ | 732.98K | +4.2% | $13.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | Morgan Stanley ✦ | 732.98K | +4.2% | $13.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | Morgan Stanley ✦ | 732.98K | +4.2% | $13.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | New York State Common Retirement… | 588.21K | +22.6% | $10.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 516.73K | +1934.8% | $9.49M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 516.73K | +1934.8% | $9.49M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | Charles Schwab Investment… | 488.30K | +0.2% | $8.97M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | Northern Trust Corp | 485.88K | +5.0% | $8.93M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | Northern Trust Corp | 485.88K | +5.0% | $8.93M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | Northern Trust Corp | 485.88K | +5.0% | $8.93M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | Northern Trust Corp | 485.88K | +5.0% | $8.93M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 43 | Northern Trust Corp | 485.88K | +5.0% | $8.93M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Arrowstreet Capital ✦ | 485.28K | New | $8.91M | 0.0% | New | 1 | SEC ↗ |
| 45 | Dimensional Fund Advisors Lp | 483.87K | +7.2% | $8.89M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | Dimensional Fund Advisors Lp | 483.87K | +7.2% | $8.89M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Dimensional Fund Advisors Lp | 483.87K | +7.2% | $8.89M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | Ameriprise Financial Inc | 280.18K | +32.2% | $5.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | Ameriprise Financial Inc | 280.18K | +32.2% | $5.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | Ameriprise Financial Inc | 280.18K | +32.2% | $5.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Fidelity (FMR) ✦ | 234.90K | +17.3% | $4.32M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 52 | Fidelity (FMR) ✦ | 234.90K | +17.3% | $4.32M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 53 | AQR Capital Management ✦ | 231.42K | -7.7% | $4.25M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 54 | AQR Capital Management ✦ | 231.42K | -7.7% | $4.25M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 55 | AQR Capital Management ✦ | 231.42K | -7.7% | $4.25M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 56 | AQR Capital Management ✦ | 231.42K | -7.7% | $4.25M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 57 | UBS Group AG | 225.94K | -25.1% | $4.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | UBS Group AG | 225.94K | -25.1% | $4.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 59 | UBS Group AG | 225.94K | -25.1% | $4.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | UBS Group AG | 225.94K | -25.1% | $4.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | Citadel Advisors ✦ | 217.47K | -31.4% | $3.99M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 62 | Citadel Advisors ✦ | 217.47K | -31.4% | $3.99M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 63 | Bank Of America Corp /De/ | 217.39K | +114.6% | $3.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Bank Of America Corp /De/ | 217.39K | +114.6% | $3.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Russell Investments Group, Ltd. | 216.66K | -12.0% | $3.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | Russell Investments Group, Ltd. | 216.66K | -12.0% | $3.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | Russell Investments Group, Ltd. | 216.66K | -12.0% | $3.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Russell Investments Group, Ltd. | 216.66K | -12.0% | $3.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 69 | Russell Investments Group, Ltd. | 216.66K | -12.0% | $3.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Russell Investments Group, Ltd. | 216.66K | -12.0% | $3.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 71 | Canada Pension Plan Investment Board | 209.70K | +1.8% | $3.85M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | Susquehanna International Group, Llp | 206.73K | New | $3.80M | 0.0% | New | 1 | SEC ↗ |
| 73 | Sei Investments Co | 193.82K | +87.8% | $3.56M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | Sei Investments Co | 193.82K | +87.8% | $3.56M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | JPMorgan Chase ✦ | 203.44K | +35.4% | $3.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | JPMorgan Chase ✦ | 203.44K | +35.4% | $3.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | JPMorgan Chase ✦ | 203.44K | +35.4% | $3.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | JPMorgan Chase ✦ | 203.44K | +35.4% | $3.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | JPMorgan Chase ✦ | 203.44K | +35.4% | $3.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | Janus Henderson Group Plc | 177.90K | +706.0% | $3.27M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Janus Henderson Group Plc | 177.90K | +706.0% | $3.27M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 82 | Deutsche Bank Ag\ | 171.72K | +4.0% | $3.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 83 | Deutsche Bank Ag\ | 171.72K | +4.0% | $3.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Bank of New York Mellon Corp | 154.44K | -1.1% | $2.84M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 85 | Bank of New York Mellon Corp | 154.44K | -1.1% | $2.84M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 86 | Bank of New York Mellon Corp | 154.44K | -1.1% | $2.84M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 87 | Bank of New York Mellon Corp | 154.44K | -1.1% | $2.84M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 88 | Nuveen, LLC | 132.74K | -54.0% | $2.44M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 89 | Nuveen, LLC | 132.74K | -54.0% | $2.44M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 90 | First Trust Advisors Lp | 132.71K | -46.6% | $2.44M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 91 | Renaissance Technologies ✦ | 132.60K | New | $2.44M | 0.0% | New | 1 | SEC ↗ |
| 92 | Group One Trading Llc | 131.92K | +190.6% | $2.42M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 93 | Man Group plc | 120.04K | +12.5% | $2.21M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 94 | Man Group plc | 120.04K | +12.5% | $2.21M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 95 | Rhumbline Advisers | 118.37K | +50.1% | $2.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 96 | Franklin Resources Inc | 116.84K | +13.6% | $2.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 97 | Franklin Resources Inc | 116.84K | +13.6% | $2.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 98 | Franklin Resources Inc | 116.84K | +13.6% | $2.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 99 | Swiss National Bank | 112.80K | +4.2% | $2.07M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 100 | Mariner, LLC | 104.01K | +0.1% | $1.91M | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Arrowstreet Capital | $8.91M | 0.0% |
| Susquehanna International… | $3.80M | 0.0% |
| Renaissance Technologies | $2.44M | 0.0% |
Exited
| Millennium Management | $8.68M | was 0.0% |
| Jane Street Group, Llc | $8.36M | was 0.0% |
| Storebrand Asset Management As | $8.03M | was 0.0% |
| Tudor Investment Corp Et Al | $3.39M | was 0.0% |
| Victory Capital Management Inc | $2.11M | was 0.0% |
| Qube Research & Technologies… | $1.57M | was 0.0% |
| Bridgewater Associates | $1.45M | was 0.0% |
| IMC-Chicago, LLC | $572,811 | was 0.0% |
| Tidal Investments LLC | $231,873 | was 0.0% |
| Voya Investment Management Llc | $206,857 | was 0.0% |
| Daiwa Securities Group Inc. | $56,000 | was 0.0% |
| LMR Partners LLP | $43,659 | was 0.0% |
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: Q1 2026 ·
Methodology ·
Get this via the API