ACHILLION PHARMACEUTICALS IN's ticker is ACHN and the CUSIP is 00448Q201. A total of 154 filers reported holding ACHILLION PHARMACEUTICALS IN in Q4 2015. The put-call ratio across all filers is 0.45 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $103,000 | +139.5% | 17,059 | +42.7% | 0.00% | – |
| Q3 2019 | $43,000 | +43.3% | 11,955 | +6.3% | 0.00% | – |
| Q2 2019 | $30,000 | +900.0% | 11,250 | +506.5% | 0.00% | – |
| Q4 2018 | $3,000 | 0.0% | 1,855 | +98.4% | 0.00% | – |
| Q3 2018 | $3,000 | 0.0% | 935 | -2.9% | 0.00% | – |
| Q2 2018 | $3,000 | +200.0% | 963 | +124.0% | 0.00% | – |
| Q4 2017 | $1,000 | -94.4% | 430 | -89.6% | 0.00% | – |
| Q3 2017 | $18,000 | -93.1% | 4,118 | -92.7% | 0.00% | – |
| Q2 2017 | $260,000 | +16.1% | 56,715 | +6.4% | 0.00% | – |
| Q1 2017 | $224,000 | +11100.0% | 53,305 | +12296.5% | 0.00% | – |
| Q4 2016 | $2,000 | -33.3% | 430 | 0.0% | 0.00% | – |
| Q3 2016 | $3,000 | 0.0% | 430 | 0.0% | 0.00% | – |
| Q2 2016 | $3,000 | -75.0% | 430 | -73.6% | 0.00% | – |
| Q1 2016 | $12,000 | -89.5% | 1,630 | -84.6% | 0.00% | – |
| Q4 2015 | $114,000 | +1325.0% | 10,585 | +782.1% | 0.00% | – |
| Q3 2015 | $8,000 | -57.9% | 1,200 | -51.2% | 0.00% | – |
| Q2 2014 | $19,000 | – | 2,460 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| MAK CAPITAL ONE LLC | 5,191,600 | $8,255,000 | 4.47% |
| RTW INVESTMENTS, LP | 13,749,383 | $21,862,000 | 2.04% |
| ARMISTICE CAPITAL, LLC | 4,300,000 | $6,837,000 | 0.52% |
| DAFNA Capital Management LLC | 630,182 | $1,002,000 | 0.50% |
| Rock Springs Capital Management LP | 2,325,000 | $3,697,000 | 0.18% |
| 683 Capital Management, LLC | 1,000,000 | $1,590,000 | 0.10% |
| Alambic Investment Management, L.P. | 133,698 | $213,000 | 0.09% |
| South Dakota Investment Council | 3,037,004 | $7,310,000 | 0.08% |
| Alpine Global Management, LLC | 205,172 | $326,000 | 0.08% |
| Rhenman & Partners Asset Management AB | 402,800 | $640,000 | 0.07% |