ANTHERA PHARMACEUTICALS INC's ticker is ANTH and the CUSIP is 03674U201. A total of 73 filers reported holding ANTHERA PHARMACEUTICALS INC in Q1 2016. The put-call ratio across all filers is 0.60 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $49,000 | -74.9% | 73,100 | +18.1% | 0.00% | -50.0% |
| Q3 2016 | $195,000 | +25.0% | 61,900 | +23.6% | 0.00% | 0.0% |
| Q2 2016 | $156,000 | -6.0% | 50,100 | +8.0% | 0.00% | +100.0% |
| Q1 2016 | $166,000 | -5.1% | 46,400 | +23.7% | 0.00% | -50.0% |
| Q4 2015 | $175,000 | -20.5% | 37,500 | +3.1% | 0.00% | -33.3% |
| Q3 2015 | $220,000 | +4.8% | 36,375 | -22.6% | 0.00% | 0.0% |
| Q1 2015 | $210,000 | +136.0% | 46,975 | -16.5% | 0.00% | +200.0% |
| Q4 2014 | $89,000 | – | 56,275 | – | 0.00% | – |
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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% |