MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 41 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q4 2020. The put-call ratio across all filers is 0.18 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $74,646 | +59.1% | 6,054 | +58.7% | 0.00% | – |
| Q2 2023 | $46,925 | +155.7% | 3,815 | +155.5% | 0.00% | – |
| Q1 2023 | $18,349 | -4.6% | 1,493 | -11.1% | 0.00% | – |
| Q4 2022 | $19,241 | +220.7% | 1,679 | +9.3% | 0.00% | – |
| Q3 2022 | $6,000 | -33.3% | 1,536 | 0.0% | 0.00% | – |
| Q2 2022 | $9,000 | +12.5% | 1,536 | +24.3% | 0.00% | – |
| Q1 2022 | $8,000 | +60.0% | 1,236 | -1.7% | 0.00% | – |
| Q4 2021 | $5,000 | -50.0% | 1,257 | -37.2% | 0.00% | – |
| Q3 2021 | $10,000 | +11.1% | 2,002 | +48.2% | 0.00% | – |
| Q2 2021 | $9,000 | +12.5% | 1,351 | +2.7% | 0.00% | – |
| Q1 2021 | $8,000 | -11.1% | 1,316 | +0.1% | 0.00% | – |
| Q4 2020 | $9,000 | +50.0% | 1,315 | -8.5% | 0.00% | – |
| Q3 2020 | $6,000 | +20.0% | 1,437 | -8.9% | 0.00% | – |
| Q2 2020 | $5,000 | +66.7% | 1,577 | +4.8% | 0.00% | – |
| Q1 2020 | $3,000 | -72.7% | 1,505 | -56.2% | 0.00% | – |
| Q4 2019 | $11,000 | -45.0% | 3,437 | -23.2% | 0.00% | – |
| Q3 2019 | $20,000 | -16.7% | 4,477 | +11.1% | 0.00% | – |
| Q2 2019 | $24,000 | -11.1% | 4,031 | +3.4% | 0.00% | – |
| Q1 2019 | $27,000 | +440.0% | 3,897 | +179.0% | 0.00% | – |
| Q4 2018 | $5,000 | -37.5% | 1,397 | -10.7% | 0.00% | – |
| Q3 2018 | $8,000 | -93.2% | 1,565 | -93.4% | 0.00% | – |
| Q2 2018 | $117,000 | -8.6% | 23,762 | +49.5% | 0.00% | – |
| Q1 2018 | $128,000 | +245.9% | 15,891 | +338.6% | 0.00% | – |
| Q4 2017 | $37,000 | -77.6% | 3,623 | -68.0% | 0.00% | – |
| Q3 2017 | $165,000 | – | 11,336 | – | 0.00% | – |
Download | ||||||
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% |