OSUR
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth +22.2% ·
share flow +16.8% ·
net new positions +18.2%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 66 | +5 | 30.45M | $135.70M | +8 | −4 |
| 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 ✦ | 2.77M | +23.1% | $10.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | Millennium Management ✦ | 2.16M | +16.7% | $7.79M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.84M | +2.6% | $6.66M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 4 | State Street Global Advisors ✦ (passive) | 1.57M | — | $5.68M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | D. E. Shaw & Co. ✦ | 1.52M | +180.5% | $5.48M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 6 | Citadel Advisors ✦ | 1.28M | +21.8% | $4.62M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 7 | AQR Capital Management ✦ | 702.38K | -11.4% | $2.54M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 8 | PRIMECAP Management ✦ | 336.30K | -52.5% | $1.21M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | Two Sigma Investments ✦ | 153.03K | New | $552,435 | 0.0% | New | 1 | SEC ↗ |
| 10 | T. Rowe Price ✦ | 76.93K | +5.2% | $278,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | Gotham Asset Management ✦ | 11.98K | New | $43,266 | 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
| Two Sigma Investments | $552,435 | 0.0% |
| Gotham Asset Management | $43,266 | 0.0% |
Exited
| No tracked exits this quarter. |
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.
0.7% of class · View original SEC filing ↗