Institutional Holders (2026 Q1)
99 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in ZLAB. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | B Group, Inc. | 6.28% | 450,646 | $8.5M |
| 2 | SUPERSTRING CAPITAL MANAGEMENT LP | 3.71% | 275,818 | $5.2M |
| 3 | NEXTBio Capital Management LP | 1.60% | 183,362 | $3.4M |
| 4 | ADAR1 Capital Management, LLC | 1.58% | 1,425,367 | $26.8M |
| 5 | RTW INVESTMENTS, LP | 1.23% | 6,574,032 | $123.7M |
| 6 | RA CAPITAL MANAGEMENT, L.P. | 1.14% | 5,707,262 | $107.4M |
| 7 | Frazier Life Sciences Management, L.P. | 0.92% | 1,902,320 | $35.8M |
| 8 | Rock Springs Capital Management LP | 0.90% | 814,707 | $15.3M |
| 9 | NAN FUNG TRINITY (HK) Ltd | 0.72% | 346,466 | $6.5M |
| 10 | Privium Fund Management B.V. | 0.52% | 132,189 | $2.5M |
| 11 | Seven Fleet Capital Management LP | 0.46% | 77,858 | $1.5M |
| 12 | BAROMETER CAPITAL MANAGEMENT INC. | 0.43% | 66,500 | $1.3M |
| 13 | DCF Advisers, LLC | 0.32% | 63,500 | $1.2M |
| 14 | Virtus Investment Advisers, LLC | 0.25% | 47,511 | $894K |
| 15 | C WorldWide Group Holding A/S | 0.21% | 510,000 | $10K |
| 16 | Hennion & Walsh Asset Management, Inc. | 0.14% | 214,323 | $4.0M |
| 17 | Legacy Wealth Asset Management, LLC | 0.11% | 24,925 | $469K |
| 18 | BAMCO INC /NY/ | 0.09% | 1,658,318 | $31.2M |
| 19 | Persistent Asset Partners Ltd | 0.09% | 12,339 | $232K |
| 20 | Bridgefront Capital, LLC | 0.07% | 14,529 | $273K |
| 21 | Headlands Technologies LLC | 0.06% | 28,109 | $529K |
| 22 | NJ State Employees Deferred Compensation Plan | 0.04% | 11,300 | $383K |
| 23 | WealthPlan Investment Management, LLC | 0.04% | 36,761 | $691K |
| 24 | AXQ CAPITAL, LP | 0.03% | 10,694 | $201K |
| 25 | XTX Topco Ltd | 0.02% | 47,072 | $885K |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|