MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 39 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q3 2020. The put-call ratio across all filers is 1.50 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $5,533,112 | -2.2% | 448,752 | -2.4% | 0.00% | 0.0% |
| Q2 2023 | $5,657,508 | -1.2% | 459,960 | -1.3% | 0.00% | 0.0% |
| Q1 2023 | $5,728,861 | +105950.7% | 466,140 | -1.1% | 0.00% | 0.0% |
| Q4 2022 | $5,402 | -99.7% | 471,373 | -0.2% | 0.00% | +100.0% |
| Q3 2022 | $1,771,000 | -37.6% | 472,301 | -0.9% | 0.00% | 0.0% |
| Q2 2022 | $2,837,000 | -7.0% | 476,708 | -1.2% | 0.00% | 0.0% |
| Q1 2022 | $3,052,000 | +59.7% | 482,484 | -1.3% | 0.00% | 0.0% |
| Q4 2021 | $1,911,000 | -20.8% | 488,687 | -2.1% | 0.00% | 0.0% |
| Q3 2021 | $2,412,000 | -27.1% | 499,368 | -3.5% | 0.00% | 0.0% |
| Q2 2021 | $3,308,000 | +1.4% | 517,645 | -0.3% | 0.00% | 0.0% |
| Q1 2021 | $3,261,000 | -14.0% | 519,220 | -5.7% | 0.00% | 0.0% |
| Q4 2020 | $3,793,000 | +67.2% | 550,539 | -2.9% | 0.00% | 0.0% |
| Q3 2020 | $2,269,000 | +16.0% | 567,185 | -3.4% | 0.00% | 0.0% |
| Q2 2020 | $1,956,000 | +41.3% | 587,423 | -8.8% | 0.00% | 0.0% |
| Q1 2020 | $1,384,000 | -34.7% | 643,886 | -4.3% | 0.00% | 0.0% |
| Q4 2019 | $2,120,000 | -29.1% | 673,130 | +1.0% | 0.00% | 0.0% |
| Q3 2019 | $2,992,000 | -27.3% | 666,300 | -2.0% | 0.00% | -50.0% |
| Q2 2019 | $4,114,000 | -9.5% | 680,069 | +4.0% | 0.00% | 0.0% |
| Q1 2019 | $4,545,000 | +106.3% | 653,992 | +14.6% | 0.00% | +100.0% |
| Q4 2018 | $2,203,000 | -27.9% | 570,818 | -0.5% | 0.00% | 0.0% |
| Q3 2018 | $3,057,000 | +32.9% | 573,514 | +22.4% | 0.00% | 0.0% |
| Q2 2018 | $2,300,000 | -22.8% | 468,377 | +26.6% | 0.00% | 0.0% |
| Q1 2018 | $2,978,000 | +44.3% | 369,982 | +83.8% | 0.00% | 0.0% |
| Q4 2017 | $2,064,000 | +448.9% | 201,325 | +678.8% | 0.00% | – |
| Q3 2017 | $376,000 | – | 25,850 | – | 0.00% | – |
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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% |