MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 81 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q1 2018. The put-call ratio across all filers is 0.44 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $2,955,000 | +26.4% | 554,338 | +16.4% | 0.31% | +35.7% |
| Q2 2018 | $2,338,000 | -39.0% | 476,164 | 0.0% | 0.23% | -35.6% |
| Q1 2018 | $3,833,000 | -8.8% | 476,164 | +16.1% | 0.36% | -31.2% |
| Q4 2017 | $4,205,000 | -14.4% | 410,244 | +21.4% | 0.52% | +16.6% |
| Q3 2017 | $4,913,000 | – | 337,868 | – | 0.44% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Newtyn Management, LLC | 362,335 | $3,714,000 | 0.57% |
| Rubric Capital Management LP | 410,244 | $4,205,000 | 0.52% |
| WITTENBERG INVESTMENT MANAGEMENT, INC. | 83,811 | $859,000 | 0.37% |
| Yakira Capital Management, Inc. | 83,969 | $861,000 | 0.28% |
| KEMPNER CAPITAL MANAGEMENT INC. | 14,898 | $153,000 | 0.10% |
| STONEBRIDGE CAPITAL MANAGEMENT INC | 18,550 | $200,000 | 0.07% |
| BOGLE INVESTMENT MANAGEMENT L P /DE/ | 66,498 | $681,000 | 0.05% |
| Cannell & Co. | 75,467 | $774,000 | 0.03% |
| Trexquant Investment LP | 21,347 | $219,000 | 0.02% |
| PDT Partners, LLC | 58,004 | $595,000 | 0.02% |