Institutional Holders (2026 Q1)
0 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in ZGNX. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Fairmount Funds Management LLC | 13.40% | 2,502,259 | $40.7M |
| 2 | Atle Fund Management AB | 4.47% | 195,000 | $3.2M |
| 3 | CADIAN CAPITAL MANAGEMENT, LP | 3.65% | 4,090,846 | $66.5M |
| 4 | Prosight Management, LP | 3.53% | 362,909 | $5.9M |
| 5 | SCOPIA CAPITAL MANAGEMENT LP | 1.97% | 1,284,705 | $20.9M |
| 6 | Kynam Capital Management, LP | 1.79% | 205,800 | $3.3M |
| 7 | Ikarian Capital, LLC | 1.43% | 590,400 | $9.6M |
| 8 | Western Standard LLC | 1.39% | 160,656 | $2.6M |
| 9 | RA CAPITAL MANAGEMENT, L.P. | 0.96% | 3,333,700 | $54.2M |
| 10 | Knott David M Jr | 0.74% | 134,688 | $2.2M |
| 11 | Eversept Partners, LP | 0.66% | 550,966 | $9.0M |
| 12 | Logos Global Management LP | 0.59% | 350,000 | $5.7M |
| 13 | RICE HALL JAMES & ASSOCIATES, LLC | 0.45% | 774,926 | $12.6M |
| 14 | Redmile Group, LLC | 0.37% | 998,114 | $16.2M |
| 15 | Novo Holdings A/S | 0.34% | 442,550 | $7.2M |
| 16 | Soleus Capital Management, L.P. | 0.28% | 175,152 | $2.8M |
| 17 | Nantahala Capital Management, LLC | 0.28% | 481,782 | $7.8M |
| 18 | ING GROEP NV | 0.25% | 1,700,000 | $27.6M |
| 19 | FARALLON CAPITAL MANAGEMENT LLC | 0.24% | 2,766,935 | $45.0M |
| 20 | Nova R Wealth, Inc. | 0.20% | 15,076 | $245K |
| 21 | Palo Alto Investors LP | 0.19% | 183,800 | $3.0M |
| 22 | Woodline Partners LP | 0.15% | 642,465 | $10.4M |
| 23 | Nantahala Capital Management, LLC | 0.14% | 236,400 | $3.8M |
| 24 | AlphaCentric Advisors LLC | 0.13% | 15,500 | $310K |
| 25 | Vivo Capital, LLC | 0.10% | 105,000 | $1.7M |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|