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 | $2,365,437 | +10.5% | 191,844 | +10.2% | 0.00% | – |
| Q2 2023 | $2,141,492 | +244.7% | 174,105 | +244.4% | 0.00% | – |
| Q1 2023 | $621,333 | -44.5% | 50,556 | -48.3% | 0.00% | – |
| Q4 2022 | $1,119,780 | +539.9% | 97,712 | +109.9% | 0.00% | – |
| Q3 2022 | $175,000 | -36.8% | 46,556 | 0.0% | 0.00% | – |
| Q2 2022 | $277,000 | -5.8% | 46,556 | 0.0% | 0.00% | – |
| Q1 2022 | $294,000 | +61.5% | 46,556 | 0.0% | 0.00% | – |
| Q4 2021 | $182,000 | -19.1% | 46,556 | 0.0% | 0.00% | – |
| Q3 2021 | $225,000 | -24.2% | 46,556 | 0.0% | 0.00% | – |
| Q2 2021 | $297,000 | +324.3% | 46,556 | +316.2% | 0.00% | – |
| Q1 2021 | $70,000 | -9.1% | 11,185 | 0.0% | 0.00% | – |
| Q4 2020 | $77,000 | +71.1% | 11,185 | 0.0% | 0.00% | – |
| Q3 2020 | $45,000 | +21.6% | 11,185 | 0.0% | 0.00% | – |
| Q2 2020 | $37,000 | +54.2% | 11,185 | 0.0% | 0.00% | – |
| Q1 2020 | $24,000 | -31.4% | 11,185 | 0.0% | 0.00% | – |
| Q4 2019 | $35,000 | -30.0% | 11,185 | 0.0% | 0.00% | – |
| Q3 2019 | $50,000 | -26.5% | 11,185 | 0.0% | 0.00% | – |
| Q2 2019 | $68,000 | -12.8% | 11,185 | 0.0% | 0.00% | – |
| Q1 2019 | $78,000 | +81.4% | 11,185 | 0.0% | 0.00% | – |
| Q4 2018 | $43,000 | -61.6% | 11,185 | -46.6% | 0.00% | – |
| Q3 2018 | $112,000 | +14.3% | 20,958 | +5.1% | 0.00% | – |
| Q2 2018 | $98,000 | -94.4% | 19,939 | -90.9% | 0.00% | – |
| Q1 2018 | $1,759,000 | -21.9% | 218,396 | -0.6% | 0.00% | – |
| Q4 2017 | $2,251,000 | -31.1% | 219,665 | -2.4% | 0.00% | – |
| Q3 2017 | $3,269,000 | – | 225,007 | – | 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% |