MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 51 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q4 2022. The put-call ratio across all filers is 0.61 and the average weighting 0.5%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $430,971 | +147.8% | 34,953 | +147.2% | 0.00% | – |
| Q2 2023 | $173,947 | -59.4% | 14,142 | -59.5% | 0.00% | – |
| Q1 2023 | $428,896 | +164.6% | 34,898 | +146.8% | 0.00% | – |
| Q4 2022 | $162,067 | +92.9% | 14,142 | 0.0% | 0.00% | – |
| Q2 2022 | $84,000 | -54.3% | 14,142 | -46.5% | 0.00% | – |
| Q1 2019 | $184,000 | +80.4% | 26,414 | -0.3% | 0.00% | – |
| Q4 2018 | $102,000 | -73.6% | 26,495 | -63.5% | 0.00% | – |
| Q3 2018 | $387,000 | -42.2% | 72,684 | -46.7% | 0.00% | – |
| Q2 2018 | $669,000 | +188.4% | 136,241 | +372.3% | 0.00% | – |
| Q1 2018 | $232,000 | -41.4% | 28,846 | -25.4% | 0.00% | – |
| Q4 2017 | $396,000 | -75.0% | 38,678 | -64.5% | 0.00% | – |
| Q3 2017 | $1,585,000 | – | 109,025 | – | 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% |