Security record · archived quarter
OSUR
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11Tracked holders
—Δ holders
9.46MShares held
$40.30MReported value
+0New positions
−0Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
Ownership over time
| 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 | — | — |
Who holds it · Q2 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Renaissance Technologies ✦ | 2.29M | — | $9.75M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Millennium Management ✦ | 2.02M | — | $8.61M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.76M | — | $7.52M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 1.76M | — | $7.52M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 1.02M | — | $4.35M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 1.02M | — | $4.35M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | AQR Capital Management ✦ | 810.75K | — | $3.45M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 810.75K | — | $3.45M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | PRIMECAP Management ✦ | 719.55K | — | $3.07M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | D. E. Shaw & Co. ✦ | 429.86K | — | $1.83M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | D. E. Shaw & Co. ✦ | 429.86K | — | $1.83M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | Fisher Asset Management ✦ | 270.88K | — | $1.15M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | T. Rowe Price ✦ | 72.31K | — | $309,000 | 0.0% | n/c | 1 | SEC ↗ |
| 14 | Marshall Wace ✦ | 47.58K | — | $202,679 | 0.0% | n/c | 1 | SEC ↗ |
| 15 | Gotham Asset Management ✦ | 13.08K | — | $55,725 | 0.0% | n/c | 1 | 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
| 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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
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: Q2 2024 ·
Methodology ·
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