MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 63 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q2 2023. The put-call ratio across all filers is 0.21 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $18,976 | -43.4% | 1,539 | -43.5% | 0.00% | – |
| Q2 2023 | $33,530 | -1.4% | 2,726 | +54420.0% | 0.00% | – |
| Q4 2020 | $34,000 | +70.0% | 5 | 0.0% | 0.00% | – |
| Q3 2020 | $20,000 | +17.6% | 5 | 0.0% | 0.00% | – |
| Q2 2020 | $17,000 | +54.5% | 5 | 0.0% | 0.00% | – |
| Q1 2020 | $11,000 | -31.2% | 5 | 0.0% | 0.00% | – |
| Q4 2019 | $16,000 | -97.8% | 5 | -97.0% | 0.00% | – |
| Q3 2019 | $738,000 | -25.6% | 164 | 0.0% | 0.00% | – |
| Q2 2019 | $992,000 | -13.0% | 164 | 0.0% | 0.00% | – |
| Q1 2019 | $1,140,000 | +80.1% | 164 | 0.0% | 0.00% | – |
| Q4 2018 | $633,000 | -10.7% | 164 | +23.3% | 0.00% | – |
| Q3 2018 | $709,000 | +8.6% | 133 | 0.0% | 0.00% | – |
| Q2 2018 | $653,000 | -97.0% | 133 | -95.1% | 0.00% | – |
| Q1 2018 | $21,679,000 | -20.5% | 2,693 | +1.2% | 0.00% | – |
| Q4 2017 | $27,286,000 | +42.2% | 2,662 | +101.7% | 0.00% | – |
| Q3 2017 | $19,193,000 | – | 1,320 | – | 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% |