ZAFGEN INC's ticker is ZFGN and the CUSIP is 98885E103. A total of 63 filers reported holding ZAFGEN INC in Q3 2017. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Atlas Venture Advisors, Inc. | 3,506,207 | $17,356,000 | 9.16% |
| GREAT POINT PARTNERS LLC | 3,598,392 | $17,812,000 | 2.25% |
| Ghost Tree Capital, LLC | 750,000 | $3,713,000 | 1.35% |
| TRV GP, LLC | 210,371 | $1,041,000 | 1.04% |
| AlpInvest Partners B.V. | 46,806 | $232,000 | 0.67% |
| MANGROVE PARTNERS IM, LLC | 737,629 | $3,651,000 | 0.49% |
| ARMISTICE CAPITAL, LLC | 1,258,000 | $6,227,000 | 0.47% |
| 683 Capital Management, LLC | 1,400,000 | $6,930,000 | 0.42% |
| SPHERA FUNDS MANAGEMENT LTD. | 380,000 | $1,881,000 | 0.21% |
| DAFNA Capital Management LLC | 72,279 | $358,000 | 0.18% |