ANTHERA PHARMACEUTICALS INC's ticker is ANTH and the CUSIP is 03674U201. A total of 33 filers reported holding ANTHERA PHARMACEUTICALS INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $17,000 | -90.3% | 39,595 | -85.4% | 0.00% | -100.0% |
| Q4 2016 | $176,000 | +151.4% | 271,239 | +1123.3% | 0.00% | +100.0% |
| Q3 2016 | $70,000 | +27.3% | 22,173 | -36.8% | 0.00% | +100.0% |
| Q4 2014 | $55,000 | +1.9% | 35,093 | +97.3% | 0.00% | 0.0% |
| Q4 2013 | $54,000 | – | 17,791 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ProQuest Associates IV LLC | 1,900,000 | $16,378,000 | 3.36% |
| Hilltop Park Associates LLC | 120,000 | $1,034,000 | 2.05% |
| Abingworth LLP | 437,994 | $3,767,000 | 1.71% |
| Sio Capital Management, LLC | 238,158 | $2,053,000 | 1.01% |
| Rhenman & Partners Asset Management AB | 619,600 | $5,341,000 | 0.64% |
| Broadfin Capital, LLC | 1,370,457 | $11,813,000 | 0.64% |
| Perceptive Advisors | 1,202,156 | $10,363,000 | 0.62% |
| BOGLE INVESTMENT MANAGEMENT L P /DE/ | 931,257 | $8,027,000 | 0.60% |
| WEXFORD CAPITAL LP | 177,500 | $1,530,000 | 0.41% |
| Rock Springs Capital Management LP | 470,000 | $4,051,000 | 0.30% |