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 | $85,000 | -34.6% | 200,000 | 0.0% | 0.01% | -48.0% |
| Q4 2016 | $130,000 | -100.0% | 200,000 | -33.3% | 0.02% | -83.3% |
| Q3 2016 | $945,000,000 | +101841.7% | 300,000 | 0.0% | 0.15% | -9.1% |
| Q2 2016 | $927,000 | -41.1% | 300,000 | -31.0% | 0.16% | -47.3% |
| Q1 2016 | $1,575,000 | +35.8% | 435,000 | +74.0% | 0.31% | +78.9% |
| Q4 2015 | $1,160,000 | -23.8% | 250,000 | 0.0% | 0.18% | -28.0% |
| Q3 2015 | $1,523,000 | -71.5% | 250,000 | -59.7% | 0.24% | -62.1% |
| Q2 2015 | $5,341,000 | +70.4% | 619,600 | -11.7% | 0.64% | +21.2% |
| Q1 2015 | $3,135,000 | +396.0% | 701,314 | +75.3% | 0.53% | +189.1% |
| Q4 2014 | $632,000 | -17.7% | 400,000 | 0.0% | 0.18% | -18.7% |
| Q3 2014 | $768,000 | -24.5% | 400,000 | +33.3% | 0.22% | -25.5% |
| Q2 2014 | $1,017,000 | +157.5% | 300,000 | +154.4% | 0.30% | +153.8% |
| Q1 2014 | $395,000 | +7.9% | 117,922 | -1.2% | 0.12% | -16.8% |
| Q4 2013 | $366,000 | – | 119,297 | – | 0.14% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ProQuest Associates IV LLC | 1,250,000 | $1,975,000 | 1.00% |
| Broadfin Capital, LLC | 3,567,624 | $5,636,000 | 0.24% |
| Abingworth LLP | 437,994 | $679,000 | 0.19% |
| GREAT POINT PARTNERS LLC | 250,000 | $395,000 | 0.19% |
| Rhenman & Partners Asset Management AB | 400,000 | $632,000 | 0.18% |
| BVF INC/IL | 559,624 | $884,000 | 0.17% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 1,691,857 | $2,673,000 | 0.10% |
| Perceptive Advisors | 503,156 | $795,000 | 0.07% |
| Gruss Capital Management LP | 960,000 | $1,517,000 | 0.04% |
| Spark Investment Management LLC | 103,400 | $160,000 | 0.03% |