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 | $4,014,068 | +123.5% | 325,553 | +123.0% | 0.00% | – |
| Q2 2023 | $1,795,985 | -59.0% | 146,015 | -59.0% | 0.00% | -100.0% |
| Q1 2023 | $4,377,637 | -20.4% | 356,195 | -25.8% | 0.00% | -50.0% |
| Q4 2022 | $5,497,775 | +1899.2% | 479,736 | +555.2% | 0.00% | – |
| Q3 2022 | $275,000 | -31.1% | 73,218 | +9.4% | 0.00% | – |
| Q2 2022 | $399,000 | -68.4% | 66,947 | -66.5% | 0.00% | – |
| Q1 2022 | $1,263,000 | -47.8% | 199,630 | -67.7% | 0.00% | – |
| Q4 2021 | $2,420,000 | +343.2% | 618,398 | +447.3% | 0.00% | – |
| Q3 2021 | $546,000 | +23.8% | 113,000 | +63.5% | 0.00% | – |
| Q2 2021 | $441,000 | -67.2% | 69,122 | -67.7% | 0.00% | – |
| Q1 2021 | $1,345,000 | -77.3% | 214,129 | -75.1% | 0.00% | – |
| Q4 2020 | $5,916,000 | +815.8% | 858,824 | +432.2% | 0.00% | – |
| Q3 2020 | $646,000 | +371.5% | 161,383 | +293.2% | 0.00% | – |
| Q2 2020 | $137,000 | -37.2% | 41,045 | -59.5% | 0.00% | – |
| Q1 2020 | $218,000 | -68.4% | 101,303 | -53.6% | 0.00% | – |
| Q4 2019 | $689,000 | +138.4% | 218,377 | +239.6% | 0.00% | – |
| Q3 2019 | $289,000 | -30.7% | 64,300 | -6.8% | 0.00% | – |
| Q2 2019 | $417,000 | +279.1% | 69,000 | +336.7% | 0.00% | – |
| Q1 2019 | $110,000 | -63.6% | 15,800 | -72.1% | 0.00% | – |
| Q3 2018 | $302,000 | -41.6% | 56,600 | -46.2% | 0.00% | – |
| Q2 2018 | $517,000 | -17.3% | 105,163 | +35.3% | 0.00% | – |
| Q1 2018 | $625,000 | +15.3% | 77,700 | +46.8% | 0.00% | – |
| Q4 2017 | $542,000 | +2.7% | 52,940 | +45.8% | 0.00% | – |
| Q3 2017 | $528,000 | – | 36,300 | – | 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% |