Institutional Holders (2026 Q1)
67 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in LBRX. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Nan Fung Group Holdings Ltd | 12.82% | 630,657 | $15.6M |
| 2 | Spruce Street Capital LP | 8.09% | 1,376,159 | $33.6M |
| 3 | Trails Edge Capital Partners, LP | 7.45% | 1,319,362 | $32.5M |
| 4 | Caligan Partners LP | 2.30% | 1,438,070 | $34.6M |
| 5 | Commodore Capital LP | 2.14% | 1,500,000 | $37.0M |
| 6 | GREAT POINT PARTNERS LLC | 1.70% | 300,000 | $7.4M |
| 7 | Vivo Capital, LLC | 1.65% | 800,000 | $19.7M |
| 8 | Deep Track Capital, LP | 1.35% | 3,352,804 | $82.7M |
| 9 | TCG Crossover Management, LLC | 1.30% | 1,839,489 | $45.3M |
| 10 | HighVista Strategies LLC | 1.18% | 173,595 | $4.3M |
| 11 | Logos Global Management LP | 1.13% | 915,000 | $22.6M |
| 12 | Nantahala Capital Management, LLC | 0.96% | 1,052,894 | $26.0M |
| 13 | RA CAPITAL MANAGEMENT, L.P. | 0.58% | 2,208,604 | $54.5M |
| 14 | ACUTA CAPITAL PARTNERS, LLC | 0.50% | 28,919 | $713K |
| 15 | STEMPOINT CAPITAL LP | 0.24% | 50,000 | $1.2M |
| 16 | Boxer Capital Management, LLC | 0.23% | 70,000 | $1.7M |
| 17 | Integral Health Asset Management, LLC | 0.18% | 150,000 | $3.7M |
| 18 | Eversept Partners, LP | 0.13% | 100,198 | $2.5M |
| 19 | Alyeska Investment Group, L.P. | 0.06% | 863,947 | $21.3M |
| 20 | Opaleye Management Inc. | 0.05% | 14,506 | $358K |
| 21 | BALYASNY ASSET MANAGEMENT L.P. | 0.03% | 923,694 | $22.8M |
| 22 | BAKER BROS. ADVISORS LP | 0.03% | 200,000 | $4.9M |
| 23 | MEYER HANDELMAN CO | 0.01% | 15,094 | $372K |
| 24 | Soleus Capital Management, L.P. | 0.01% | 10,000 | $247K |
| 25 | JENNISON ASSOCIATES LLC | 0.01% | 538,216 | $13.3M |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|