ANTHERA PHARMACEUTICALS INC's ticker is ANTH and the CUSIP is 03674U201. A total of 74 filers reported holding ANTHERA PHARMACEUTICALS INC in Q2 2016. The put-call ratio across all filers is 19.84 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $13,000 | -92.6% | 19,945 | -64.1% | 0.00% | -92.9% |
| Q3 2016 | $175,000 | +236.5% | 55,622 | +229.8% | 0.04% | +320.0% |
| Q2 2016 | $52,000 | -87.5% | 16,867 | -85.3% | 0.01% | -83.3% |
| Q1 2016 | $415,000 | +730.0% | 114,610 | +960.8% | 0.06% | +1100.0% |
| Q4 2015 | $50,000 | -91.6% | 10,804 | -84.3% | 0.01% | -91.4% |
| Q2 2015 | $593,000 | – | 68,777 | – | 0.06% | – |
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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% |