MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 40 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q3 2021. The put-call ratio across all filers is 1.98 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $3,102,502 | +3.5% | 251,585 | +3.2% | 0.00% | – |
| Q2 2023 | $2,998,764 | +87.5% | 243,802 | +87.3% | 0.00% | – |
| Q1 2023 | $1,599,715 | +103912.7% | 130,164 | -3.0% | 0.00% | – |
| Q4 2022 | $1,538 | -99.6% | 134,226 | +33.2% | 0.00% | – |
| Q3 2022 | $378,000 | -36.9% | 100,808 | 0.0% | 0.00% | – |
| Q2 2022 | $599,000 | -4.9% | 100,808 | +1.1% | 0.00% | – |
| Q1 2022 | $630,000 | +66.7% | 99,662 | +3.1% | 0.00% | – |
| Q4 2021 | $378,000 | -19.1% | 96,692 | 0.0% | 0.00% | – |
| Q3 2021 | $467,000 | -24.3% | 96,692 | 0.0% | 0.00% | – |
| Q2 2021 | $617,000 | +7.9% | 96,692 | +6.0% | 0.00% | – |
| Q1 2021 | $572,000 | -0.5% | 91,208 | +9.3% | 0.00% | – |
| Q4 2020 | $575,000 | +72.7% | 83,484 | 0.0% | 0.00% | – |
| Q3 2020 | $333,000 | +23.3% | 83,484 | +2.9% | 0.00% | – |
| Q2 2020 | $270,000 | +55.2% | 81,147 | 0.0% | 0.00% | – |
| Q1 2020 | $174,000 | -65.9% | 81,147 | -50.0% | 0.00% | – |
| Q4 2019 | $510,000 | +40.5% | 162,294 | +100.6% | 0.00% | – |
| Q3 2019 | $363,000 | -25.8% | 80,898 | 0.0% | 0.00% | – |
| Q2 2019 | $489,000 | -13.0% | 80,898 | 0.0% | 0.00% | – |
| Q1 2019 | $562,000 | -13.0% | 80,898 | -51.7% | 0.00% | – |
| Q4 2018 | $646,000 | +45.8% | 167,574 | +101.4% | 0.00% | – |
| Q3 2018 | $443,000 | +9.7% | 83,213 | +1.1% | 0.00% | – |
| Q2 2018 | $404,000 | -54.3% | 82,341 | -25.1% | 0.00% | – |
| Q1 2018 | $884,000 | -20.6% | 109,879 | +1.2% | 0.00% | – |
| Q4 2017 | $1,113,000 | -26.0% | 108,621 | +5.0% | 0.00% | -100.0% |
| Q3 2017 | $1,504,000 | – | 103,461 | – | 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% |