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 | $2,586 | +2.6% | 209,739 | +2.3% | 0.95% | +3.9% |
| Q2 2023 | $2,521 | +3.6% | 204,994 | +3.5% | 0.91% | +0.7% |
| Q1 2023 | $2,433 | +11.0% | 197,994 | +3.6% | 0.91% | +1.6% |
| Q4 2022 | $2,191 | -99.7% | 191,194 | +1.3% | 0.89% | +196.3% |
| Q3 2022 | $708,000 | -37.0% | 188,694 | 0.0% | 0.30% | -36.6% |
| Q2 2022 | $1,123,000 | -5.9% | 188,694 | 0.0% | 0.48% | +5.6% |
| Q1 2022 | $1,193,000 | +61.7% | 188,694 | 0.0% | 0.45% | +67.9% |
| Q4 2021 | $738,000 | -19.0% | 188,694 | 0.0% | 0.27% | -23.4% |
| Q3 2021 | $911,000 | -24.7% | 188,694 | -0.3% | 0.35% | -28.3% |
| Q2 2021 | $1,210,000 | +3.5% | 189,294 | +1.7% | 0.49% | -9.1% |
| Q1 2021 | $1,169,000 | -8.9% | 186,198 | 0.0% | 0.54% | -14.2% |
| Q4 2020 | $1,283,000 | +106.9% | 186,198 | 0.0% | 0.63% | +88.0% |
| Q3 2020 | $620,000 | 0.0% | 186,198 | 0.0% | 0.33% | -3.8% |
| Q2 2020 | $620,000 | +55.0% | 186,198 | 0.0% | 0.35% | +58.0% |
| Q1 2020 | $400,000 | -31.9% | 186,198 | 0.0% | 0.22% | -3.9% |
| Q4 2019 | $587,000 | -29.4% | 186,198 | +0.6% | 0.23% | -37.0% |
| Q3 2019 | $831,000 | -28.4% | 185,118 | -3.4% | 0.36% | -26.9% |
| Q2 2019 | $1,160,000 | -22.8% | 191,729 | -11.3% | 0.50% | -22.2% |
| Q1 2019 | $1,502,000 | +74.9% | 216,118 | -2.9% | 0.64% | +57.4% |
| Q4 2018 | $859,000 | -36.7% | 222,467 | -12.7% | 0.40% | -27.3% |
| Q3 2018 | $1,358,000 | +9.0% | 254,752 | +0.4% | 0.56% | +5.7% |
| Q2 2018 | $1,246,000 | +25.5% | 253,752 | +105.8% | 0.53% | +23.2% |
| Q1 2018 | $993,000 | +15.6% | 123,311 | +47.1% | 0.43% | +14.2% |
| Q4 2017 | $859,000 | -9.1% | 83,811 | +28.9% | 0.37% | -7.9% |
| Q3 2017 | $945,000 | – | 65,018 | – | 0.41% | – |
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% |