MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 43 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q2 2022. The put-call ratio across all filers is 2.37 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $72,105 | -10.6% | 5,848 | -10.8% | 0.00% | – |
| Q2 2023 | $80,676 | +109.9% | 6,559 | +109.7% | 0.00% | – |
| Q1 2023 | $38,443 | +332.8% | 3,128 | +303.6% | 0.00% | – |
| Q4 2022 | $8,882 | -53.3% | 775 | -85.1% | 0.00% | – |
| Q3 2022 | $19,000 | +137.5% | 5,196 | +317.7% | 0.00% | – |
| Q2 2022 | $8,000 | -46.7% | 1,244 | -46.0% | 0.00% | – |
| Q1 2022 | $15,000 | +1400.0% | 2,303 | +1069.0% | 0.00% | – |
| Q4 2021 | $1,000 | 0.0% | 197 | 0.0% | 0.00% | – |
| Q3 2021 | $1,000 | -66.7% | 197 | -60.5% | 0.00% | – |
| Q2 2021 | $3,000 | -70.0% | 499 | -70.5% | 0.00% | – |
| Q1 2021 | $10,000 | +900.0% | 1,693 | +759.4% | 0.00% | – |
| Q4 2020 | $1,000 | 0.0% | 197 | 0.0% | 0.00% | – |
| Q3 2020 | $1,000 | 0.0% | 197 | 0.0% | 0.00% | – |
| Q2 2020 | $1,000 | -80.0% | 197 | -92.3% | 0.00% | – |
| Q1 2020 | $5,000 | +400.0% | 2,550 | +1194.4% | 0.00% | – |
| Q4 2019 | $1,000 | -92.3% | 197 | -92.8% | 0.00% | – |
| Q3 2019 | $13,000 | +225.0% | 2,755 | +361.5% | 0.00% | – |
| Q2 2019 | $4,000 | -71.4% | 597 | -71.7% | 0.00% | – |
| Q1 2019 | $14,000 | -6.7% | 2,109 | -46.6% | 0.00% | – |
| Q4 2018 | $15,000 | +25.0% | 3,946 | +78.6% | 0.00% | – |
| Q3 2018 | $12,000 | +9.1% | 2,209 | +5.9% | 0.00% | – |
| Q2 2018 | $11,000 | +175.0% | 2,086 | +303.5% | 0.00% | – |
| Q1 2018 | $4,000 | -94.3% | 517 | -92.4% | 0.00% | – |
| Q4 2017 | $70,000 | -33.3% | 6,777 | -6.6% | 0.00% | – |
| Q3 2017 | $105,000 | – | 7,253 | – | 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% |