ATYR PHARMA INC's ticker is LIFE and the CUSIP is 002120103. A total of 50 filers reported holding ATYR PHARMA INC in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $0 | -100.0% | 100 | -99.3% | 0.00% | -100.0% |
| Q1 2018 | $40,000 | -2.4% | 14,956 | +27.0% | 0.00% | -40.0% |
| Q4 2017 | $41,000 | +1950.0% | 11,777 | +948.7% | 0.01% | – |
| Q4 2016 | $2,000 | -50.0% | 1,123 | -25.6% | 0.00% | – |
| Q3 2016 | $4,000 | -50.0% | 1,509 | -48.2% | 0.00% | -100.0% |
| Q2 2016 | $8,000 | – | 2,911 | +291000.0% | 0.00% | – |
| Q1 2016 | $0 | -100.0% | 1 | -99.9% | 0.00% | -100.0% |
| Q3 2015 | $12,000 | +1100.0% | 1,215 | +1520.0% | 0.00% | – |
| Q2 2015 | $1,000 | – | 75 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Polaris Venture Management Co. V, L.L.C. | 1,827,992 | $18,755,000 | 12.78% |
| EcoR1 Capital, LLC | 840,462 | $8,623,000 | 3.92% |
| Rock Springs Capital Management LP | 388,996 | $3,991,000 | 0.32% |
| SPHERA FUNDS MANAGEMENT LTD. | 209,027 | $2,145,000 | 0.27% |
| Baker Brothers Advisors | 2,335,125 | $23,958,000 | 0.22% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 461,530 | $4,735,000 | 0.18% |
| TIVERTON ASSET MANAGEMENT LLC | 472,236 | $4,845,000 | 0.11% |
| RS INVESTMENT MANAGEMENT CO LLC | 1,082,249 | $11,104,000 | 0.10% |
| RIVERHEAD CAPITAL MANAGEMENT LLC | 415,377 | $4,262,000 | 0.07% |
| Magnetar Financial LLC | 354,659 | $3,639,000 | 0.05% |