MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 42 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q3 2022. The put-call ratio across all filers is 0.73 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $32,000 | -85.2% | 8,692 | -76.2% | 0.00% | – |
| Q2 2022 | $216,000 | -9.6% | 36,468 | -3.6% | 0.00% | – |
| Q1 2022 | $239,000 | +3314.3% | 37,819 | +1405.5% | 0.00% | – |
| Q4 2019 | $7,000 | -53.3% | 2,512 | -25.8% | 0.00% | – |
| Q3 2019 | $15,000 | +200.0% | 3,384 | +256.2% | 0.00% | – |
| Q2 2019 | $5,000 | – | 950 | +921.5% | 0.00% | – |
| Q1 2019 | $0 | -100.0% | 93 | -82.0% | 0.00% | – |
| Q3 2018 | $2,000 | -50.0% | 516 | -43.1% | 0.00% | – |
| Q2 2018 | $4,000 | -50.0% | 907 | +14.4% | 0.00% | – |
| Q4 2017 | $8,000 | -86.9% | 793 | -81.2% | 0.00% | -100.0% |
| Q3 2017 | $61,000 | – | 4,211 | – | 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% |