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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $23,353,180 | +13.5% | 1,894,013 | +13.2% | 21.09% | +19.0% |
| Q2 2023 | $20,571,295 | +0.1% | 1,672,463 | 0.0% | 17.72% | -15.0% |
| Q1 2023 | $20,554,570 | +17.3% | 1,672,463 | +9.3% | 20.85% | +35.2% |
| Q4 2022 | $17,528,001 | +298.6% | 1,529,494 | +30.5% | 15.43% | +206.8% |
| Q3 2022 | $4,397,000 | -41.8% | 1,172,463 | -7.6% | 5.03% | -12.2% |
| Q2 2022 | $7,554,000 | +11.1% | 1,269,558 | +8.3% | 5.72% | -11.3% |
| Q1 2022 | $6,800,000 | +48.3% | 1,172,463 | 0.0% | 6.46% | +138.1% |
| Q4 2021 | $4,584,000 | -25.2% | 1,172,463 | -7.6% | 2.71% | -22.2% |
| Q3 2021 | $6,132,000 | -24.4% | 1,269,558 | 0.0% | 3.49% | -26.9% |
| Q2 2021 | $8,112,000 | +27.7% | 1,269,558 | +25.5% | 4.77% | +5.4% |
| Q1 2021 | $6,353,000 | -8.9% | 1,011,571 | 0.0% | 4.53% | -43.2% |
| Q4 2020 | $6,970,000 | +63.9% | 1,011,571 | -4.9% | 7.97% | +65.1% |
| Q3 2020 | $4,253,000 | +46.9% | 1,063,267 | +22.3% | 4.83% | +39.1% |
| Q2 2020 | $2,895,000 | +59.8% | 869,354 | +3.1% | 3.47% | +107.6% |
| Q1 2020 | $1,812,000 | -31.8% | 842,913 | 0.0% | 1.67% | -19.1% |
| Q4 2019 | $2,655,000 | -65.0% | 842,913 | -50.0% | 2.07% | -31.2% |
| Q3 2019 | $7,586,000 | +100.7% | 1,685,826 | +169.8% | 3.00% | +7.6% |
| Q2 2019 | $3,780,000 | +27.9% | 624,756 | +46.9% | 2.79% | +6.6% |
| Q1 2019 | $2,956,000 | +409.7% | 425,359 | +182.9% | 2.62% | +385.4% |
| Q4 2018 | $580,000 | – | 150,363 | – | 0.54% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Western Standard LLC | 1,894,013 | $23,353,180 | 21.09% |
| Newtyn Management, LLC | 1,873,694 | $23,102,647 | 5.70% |
| Sio Capital Management, LLC | 288,466 | $3,556,786 | 1.10% |
| Madison Avenue Partners, LP | 553,085 | $6,819,538 | 0.97% |
| WITTENBERG INVESTMENT MANAGEMENT, INC. | 209,739 | $2,586 | 0.95% |
| Indaba Capital Management, L.P. | 136,802 | $1,686,769 | 0.50% |
| Sepio Capital, LP | 306,680 | $3,781,364 | 0.33% |
| Yakira Capital Management, Inc. | 54,118 | $667,275 | 0.18% |
| Centiva Capital, LP | 187,803 | $2,315,611 | 0.05% |
| FIFTH LANE CAPITAL, LP | 10,929 | $134,427 | 0.05% |