OSUR
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth -9.1% ·
share flow -7.8% ·
net new positions -10.0%
— formula
Broad distribution — falling shares and fewer 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 | 67 | +5 | 30.48M | $135.83M | +8 | −3 |
| Q1 2026 | 64 | +5 | 30.89M | $92.54M | +7 | −2 |
| Q4 2025 | 59 | -1 | 33.90M | $82.04M | — | −1 |
| Q3 2025 | 15 | -1 | 25.02M | $80.33M | — | −1 |
| Q2 2025 | 13 | 0 | 20.32M | $60.97M | — | — |
| Q1 2025 | 10 | -1 | 11.46M | $38.61M | — | −1 |
| Q4 2024 | 11 | +2 | 12.43M | $44.86M | +2 | — |
| Q3 2024 | 8 | -3 | 9.07M | $38.71M | — | −3 |
| Q2 2024 | 11 | — | 9.46M | $40.30M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Renaissance Technologies ✦ | 2.57M | -7.3% | $8.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 1.76M | -4.7% | $5.92M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.76M | -4.7% | $5.92M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 4 | D. E. Shaw & Co. ✦ | 1.74M | +14.6% | $5.86M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | D. E. Shaw & Co. ✦ | 1.74M | +14.6% | $5.86M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | State Street Global Advisors ✦ (passive) | 1.54M | -2.4% | $5.17M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | Millennium Management ✦ | 1.21M | -44.1% | $4.06M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 1.12M | -12.4% | $3.78M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 9 | Citadel Advisors ✦ | 1.12M | -12.4% | $3.78M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 1.04M | +48.3% | $3.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | AQR Capital Management ✦ | 1.04M | +48.3% | $3.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 1.04M | +48.3% | $3.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 1.04M | +48.3% | $3.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 1.04M | +48.3% | $3.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | PRIMECAP Management ✦ | 328.50K | -2.3% | $1.11M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 16 | T. Rowe Price ✦ | 107.08K | +39.2% | $361,000 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 17 | Two Sigma Investments ✦ | 48.72K | -68.2% | $164,197 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Gotham Asset Management | $43,266 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 140 holders, 56.36M shares, $150.50M 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.