MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 65 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q3 2023. The put-call ratio across all filers is 0.58 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $1,367,120 | -41.8% | 111,148 | -41.9% | 0.13% | -26.7% |
| Q1 2023 | $2,350,659 | -2.3% | 191,266 | -8.9% | 0.18% | +15.4% |
| Q4 2022 | $2,406,600 | +49.4% | 210,000 | -51.1% | 0.16% | +50.0% |
| Q3 2022 | $1,611,000 | -44.9% | 429,596 | -12.6% | 0.10% | -29.3% |
| Q2 2022 | $2,924,000 | -10.6% | 491,509 | -4.9% | 0.15% | +1.4% |
| Q1 2022 | $3,269,000 | +46.7% | 516,817 | -9.3% | 0.14% | +85.9% |
| Q4 2021 | $2,229,000 | -19.0% | 569,971 | 0.0% | 0.08% | -10.3% |
| Q3 2021 | $2,753,000 | -24.7% | 569,971 | -0.3% | 0.09% | -16.3% |
| Q2 2021 | $3,655,000 | -4.4% | 571,946 | -6.1% | 0.10% | -7.1% |
| Q1 2021 | $3,824,000 | -26.2% | 608,974 | -19.0% | 0.11% | -30.4% |
| Q4 2020 | $5,180,000 | +72.2% | 751,843 | -0.0% | 0.16% | +75.0% |
| Q3 2020 | $3,008,000 | +20.8% | 751,943 | +0.6% | 0.09% | +22.7% |
| Q2 2020 | $2,490,000 | +54.9% | 747,635 | 0.0% | 0.08% | +25.0% |
| Q1 2020 | $1,607,000 | -31.8% | 747,635 | 0.0% | 0.06% | -17.8% |
| Q4 2019 | $2,355,000 | -30.0% | 747,635 | 0.0% | 0.07% | -41.6% |
| Q3 2019 | $3,364,000 | -14.1% | 747,635 | +15.4% | 0.12% | +3.3% |
| Q2 2019 | $3,918,000 | – | 647,635 | – | 0.12% | – |
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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% |