MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 43 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q1 2022. The put-call ratio across all filers is 5.04 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $667,275 | -15.4% | 54,118 | -15.6% | 0.18% | -13.4% |
| Q2 2023 | $788,651 | -11.0% | 64,118 | -11.1% | 0.21% | -7.1% |
| Q1 2023 | $886,330 | -9.8% | 72,118 | -15.9% | 0.22% | +12.5% |
| Q4 2022 | $982,489 | +126.4% | 85,732 | -26.0% | 0.20% | +217.5% |
| Q3 2022 | $434,000 | -37.0% | 115,821 | 0.0% | 0.06% | -41.7% |
| Q2 2022 | $689,000 | +22.8% | 115,821 | +30.6% | 0.11% | +35.0% |
| Q1 2022 | $561,000 | +95.5% | 88,683 | +20.7% | 0.08% | +122.2% |
| Q4 2021 | $287,000 | -2.0% | 73,450 | +21.1% | 0.04% | -20.0% |
| Q3 2021 | $293,000 | -24.3% | 60,634 | 0.0% | 0.04% | -28.6% |
| Q2 2021 | $387,000 | +1.6% | 60,634 | 0.0% | 0.06% | -18.2% |
| Q1 2021 | $381,000 | -8.9% | 60,634 | 0.0% | 0.08% | -23.0% |
| Q4 2020 | $418,000 | +56.0% | 60,634 | -9.4% | 0.10% | +26.6% |
| Q3 2020 | $268,000 | +20.2% | 66,934 | 0.0% | 0.08% | -21.0% |
| Q2 2020 | $223,000 | +54.9% | 66,934 | 0.0% | 0.10% | +100.0% |
| Q1 2020 | $144,000 | -31.8% | 66,934 | 0.0% | 0.05% | -19.4% |
| Q4 2019 | $211,000 | -29.9% | 66,934 | 0.0% | 0.06% | -29.5% |
| Q3 2019 | $301,000 | -25.7% | 66,934 | 0.0% | 0.09% | +11.4% |
| Q2 2019 | $405,000 | -12.9% | 66,934 | 0.0% | 0.08% | -40.6% |
| Q1 2019 | $465,000 | +80.2% | 66,934 | 0.0% | 0.13% | +52.9% |
| Q4 2018 | $258,000 | -27.7% | 66,934 | 0.0% | 0.09% | +27.9% |
| Q3 2018 | $357,000 | +8.5% | 66,934 | 0.0% | 0.07% | -15.0% |
| Q2 2018 | $329,000 | -45.1% | 66,934 | -10.1% | 0.08% | -41.6% |
| Q1 2018 | $599,000 | -30.4% | 74,434 | -11.4% | 0.14% | -50.7% |
| Q4 2017 | $861,000 | +284.4% | 83,969 | +445.0% | 0.28% | +270.7% |
| Q3 2017 | $224,000 | – | 15,407 | – | 0.08% | – |
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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% |