Institutional Holders (2026 Q2)
56 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in OCS. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | EQT Fund Management S.a r.l. | 11.18% | 6,950,294 | $96.4M |
| 2 | Pivotal bioVenture Partners Investment Advisor LLC | 6.79% | 1,506,250 | $20.9M |
| 3 | Nan Fung Group Holdings Ltd | 3.17% | 300,565 | $4.2M |
| 4 | Saturn V Capital Management LP | 1.36% | 684,880 | $9.5M |
| 5 | Sr One Capital Management, LP | 0.86% | 641,022 | $8.9M |
| 6 | PFM Health Sciences, LP | 0.52% | 436,042 | $6.0M |
| 7 | Braidwell LP | 0.43% | 834,183 | $11.6M |
| 8 | Siren, L.L.C. | 0.18% | 625,000 | $8.7M |
| 9 | Perceptive Advisors LLC | 0.17% | 808,827 | $11.2M |
| 10 | Marble Bar Asset Management LLP | 0.14% | 14,806 | $205K |
| 11 | Persistent Asset Partners Ltd | 0.11% | 25,604 | $355K |
| 12 | Virtus Investment Advisers, LLC | 0.10% | 29,504 | $409K |
| 13 | Y-Intercept (Hong Kong) Ltd | 0.05% | 192,016 | $2.7M |
| 14 | Aberdeen Group plc | 0.04% | 2,159,809 | $30.0M |
| 15 | Aventura Private Wealth, LLC | 0.02% | 4,000 | $55K |
| 16 | Compagnie Lombard Odier SCmA | 0.02% | 105,455 | $1.5M |
| 17 | Himension Capital (singapore) PTE. LTD. | 0.01% | 17,276 | $240K |
| 18 | Trexquant Investment LP | 0.01% | 151,228 | $2.1M |
| 19 | Boothbay Fund Management, LLC | 0.01% | 56,391 | $782K |
| 20 | Millennium Management LLC | 0.01% | 2,042,467 | $28.3M |
| 21 | Woodline Partners LP | 0.01% | 201,200 | $2.8M |
| 22 | XTX Topco Ltd | 0.01% | 43,096 | $598K |
| 23 | Alyeska Investment Group, L.P. | 0.01% | 206,332 | $2.9M |
| 24 | Marshall Wace, LLP | 0.00% | 394,880 | $5.5M |
| 25 | Manufacturers Life Insurance Company, the | 0.00% | 398,980 | $5.5M |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|