ANTHERA PHARMACEUTICALS INC's ticker is ANTH and the CUSIP is 03674U201. A total of 56 filers reported holding ANTHERA PHARMACEUTICALS INC in Q1 2017. The put-call ratio across all filers is 2.20 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $15,000 | -21.1% | 36,702 | +21.8% | 0.00% | – |
| Q4 2016 | $19,000 | -75.0% | 30,139 | +24.3% | 0.00% | – |
| Q3 2016 | $76,000 | -8.4% | 24,255 | -8.7% | 0.00% | – |
| Q2 2016 | $83,000 | +1975.0% | 26,569 | +2556.9% | 0.00% | – |
| Q1 2016 | $4,000 | -92.0% | 1,000 | -90.8% | 0.00% | – |
| Q4 2015 | $50,000 | +61.3% | 10,860 | +111.2% | 0.00% | – |
| Q3 2015 | $31,000 | +287.5% | 5,142 | +424.2% | 0.00% | – |
| Q2 2015 | $8,000 | -95.8% | 981 | -99.0% | 0.00% | – |
| Q3 2014 | $192,000 | +9500.0% | 100,000 | +20308.2% | 0.00% | – |
| Q4 2013 | $2,000 | -60.0% | 490 | -60.8% | 0.00% | – |
| Q3 2013 | $5,000 | – | 1,250 | – | 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% |