ANTHERA PHARMACEUTICALS INC's ticker is ANTH and the CUSIP is 03674U201. A total of 43 filers reported holding ANTHERA PHARMACEUTICALS INC in Q1 2015. The put-call ratio across all filers is 1.38 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $552,000 | +123.5% | 1,296,568 | +241.2% | 0.03% | +88.2% |
| Q4 2016 | $247,000 | -82.6% | 380,000 | -15.6% | 0.02% | -80.9% |
| Q3 2016 | $1,418,000 | +1.9% | 450,000 | 0.0% | 0.09% | -13.6% |
| Q2 2016 | $1,391,000 | -14.6% | 450,000 | 0.0% | 0.10% | -24.3% |
| Q1 2016 | $1,629,000 | -7.6% | 450,000 | +18.4% | 0.14% | +1.5% |
| Q4 2015 | $1,763,000 | -27.6% | 380,000 | -5.0% | 0.13% | -32.3% |
| Q3 2015 | $2,436,000 | -39.9% | 400,000 | -14.9% | 0.20% | -33.1% |
| Q2 2015 | $4,051,000 | +113.2% | 470,000 | +10.6% | 0.30% | +66.3% |
| Q1 2015 | $1,900,000 | – | 425,000 | – | 0.18% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sio Capital Management, LLC | 2,535,564 | $7,835,000 | 4.00% |
| ProQuest Associates IV LLC | 1,900,000 | $5,871,000 | 2.39% |
| Abingworth LLP | 437,994 | $1,349,000 | 1.41% |
| Hilltop Park Associates LLC | 75,000 | $232,000 | 0.97% |
| Broadfin Capital, LLC | 1,154,674 | $3,568,000 | 0.35% |
| Perceptive Advisors | 1,492,156 | $4,611,000 | 0.32% |
| Rhenman & Partners Asset Management AB | 300,000 | $927,000 | 0.16% |
| Rock Springs Capital Management LP | 450,000 | $1,391,000 | 0.10% |
| WEXFORD CAPITAL LP | 145,622 | $450,000 | 0.08% |
| BOOTHBAY FUND MANAGEMENT, LLC | 15,960 | $49,000 | 0.02% |