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 | $43,000 | -41.1% | 101,150 | -10.3% | 0.00% | -50.0% |
| Q4 2016 | $73,000 | -92.7% | 112,780 | -64.5% | 0.00% | -92.0% |
| Q3 2016 | $1,000,000 | +423.6% | 317,700 | +412.8% | 0.02% | +316.7% |
| Q2 2016 | $191,000 | -14.0% | 61,950 | +1.0% | 0.01% | -14.3% |
| Q1 2016 | $222,000 | +1133.3% | 61,350 | +1945.0% | 0.01% | +600.0% |
| Q3 2015 | $18,000 | -58.1% | 3,000 | -40.0% | 0.00% | 0.0% |
| Q2 2015 | $43,000 | +258.3% | 5,000 | +72.4% | 0.00% | – |
| Q1 2015 | $12,000 | – | 2,900 | – | 0.00% | – |
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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% |