MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 77 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q2 2018. The put-call ratio across all filers is 0.19 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $11,220 | +461.0% | 910 | -17.5% | 0.00% | – |
| Q1 2020 | $2,000 | -96.9% | 1,103 | -94.8% | 0.00% | – |
| Q4 2019 | $65,000 | -43.0% | 21,131 | -17.5% | 0.00% | – |
| Q3 2019 | $114,000 | -26.5% | 25,622 | -0.8% | 0.00% | – |
| Q2 2019 | $155,000 | -24.0% | 25,822 | -12.6% | 0.00% | – |
| Q1 2019 | $204,000 | +90.7% | 29,546 | +5.7% | 0.00% | – |
| Q4 2018 | $107,000 | -67.0% | 27,946 | -54.1% | 0.00% | – |
| Q3 2018 | $324,000 | +39.7% | 60,892 | +27.2% | 0.00% | – |
| Q2 2018 | $232,000 | -89.0% | 47,886 | -81.8% | 0.00% | -100.0% |
| Q1 2018 | $2,113,000 | +43.6% | 262,701 | +82.7% | 0.00% | 0.0% |
| Q4 2017 | $1,471,000 | -36.3% | 143,770 | -9.5% | 0.00% | -50.0% |
| Q3 2017 | $2,308,000 | – | 158,849 | – | 0.00% | – |
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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% |