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 | ||||
|---|---|---|---|---|---|---|
| Q4 2014 | $150,000 | -18.0% | 95,143 | -0.1% | 0.00% | -25.0% |
| Q3 2014 | $183,000 | -44.2% | 95,204 | -1.5% | 0.00% | -33.3% |
| Q2 2014 | $328,000 | +2.2% | 96,661 | +0.9% | 0.01% | 0.0% |
| Q1 2014 | $321,000 | +6.3% | 95,767 | -2.7% | 0.01% | 0.0% |
| Q4 2013 | $302,000 | – | 98,386 | – | 0.01% | – |
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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% |