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 | $7,402,241 | +8.1% | 600,344 | +7.8% | 0.00% | – |
| Q2 2023 | $6,848,615 | +21.5% | 556,798 | +21.4% | 0.00% | – |
| Q1 2023 | $5,635,223 | -16.4% | 458,521 | -22.0% | 0.00% | – |
| Q4 2022 | $6,738,720 | +195.6% | 588,021 | -3.3% | 0.00% | – |
| Q3 2022 | $2,280,000 | -37.0% | 607,804 | -0.1% | 0.00% | – |
| Q2 2022 | $3,619,000 | -5.9% | 608,204 | 0.0% | 0.00% | – |
| Q1 2022 | $3,847,000 | +59.6% | 608,204 | -1.4% | 0.00% | – |
| Q4 2021 | $2,411,000 | -19.3% | 616,848 | -0.3% | 0.00% | – |
| Q3 2021 | $2,988,000 | -24.4% | 618,609 | 0.0% | 0.00% | – |
| Q2 2021 | $3,953,000 | +1.8% | 618,609 | 0.0% | 0.00% | – |
| Q1 2021 | $3,885,000 | -4.5% | 618,609 | +4.7% | 0.00% | – |
| Q4 2020 | $4,070,000 | +102.3% | 590,622 | +17.4% | 0.00% | – |
| Q3 2020 | $2,012,000 | +20.1% | 503,027 | 0.0% | 0.00% | – |
| Q2 2020 | $1,675,000 | +54.8% | 503,027 | 0.0% | 0.00% | – |
| Q1 2020 | $1,082,000 | -31.7% | 503,027 | 0.0% | 0.00% | – |
| Q4 2019 | $1,584,000 | -28.7% | 503,027 | +1.6% | 0.00% | – |
| Q3 2019 | $2,222,000 | -2.6% | 495,027 | +31.3% | 0.00% | – |
| Q2 2019 | $2,281,000 | +45.9% | 377,010 | +67.6% | 0.00% | – |
| Q1 2019 | $1,563,000 | +85.2% | 224,930 | +2.8% | 0.00% | – |
| Q4 2018 | $844,000 | -71.0% | 218,757 | -60.0% | 0.00% | – |
| Q3 2018 | $2,913,000 | +7.3% | 546,632 | -1.1% | 0.00% | – |
| Q2 2018 | $2,714,000 | -43.7% | 552,852 | -7.6% | 0.00% | – |
| Q1 2018 | $4,817,000 | -28.1% | 598,410 | -8.5% | 0.00% | – |
| Q4 2017 | $6,703,000 | -24.6% | 653,931 | +7.0% | 0.00% | – |
| Q3 2017 | $8,885,000 | – | 610,997 | – | 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% |