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 | $1,148,873 | +13.0% | 93,177 | +12.7% | 0.00% | – |
| Q2 2023 | $1,017,026 | +52.8% | 82,685 | +52.7% | 0.00% | – |
| Q1 2023 | $665,627 | +533.9% | 54,160 | +491.1% | 0.00% | – |
| Q4 2022 | $105,009 | +320.0% | 9,163 | +40.7% | 0.00% | – |
| Q3 2022 | $25,000 | -41.9% | 6,514 | -11.5% | 0.00% | – |
| Q2 2022 | $43,000 | +10.3% | 7,358 | +20.2% | 0.00% | – |
| Q1 2022 | $39,000 | +105.3% | 6,123 | +19.5% | 0.00% | – |
| Q4 2021 | $19,000 | -32.1% | 5,122 | -12.1% | 0.00% | – |
| Q3 2021 | $28,000 | -61.1% | 5,828 | -47.8% | 0.00% | – |
| Q2 2021 | $72,000 | +89.5% | 11,161 | +87.8% | 0.00% | – |
| Q1 2021 | $38,000 | +11.8% | 5,943 | +17.4% | 0.00% | – |
| Q4 2020 | $34,000 | +126.7% | 5,063 | +32.1% | 0.00% | – |
| Q3 2020 | $15,000 | +25.0% | 3,832 | +10.3% | 0.00% | – |
| Q2 2020 | $12,000 | -29.4% | 3,475 | -56.0% | 0.00% | – |
| Q1 2020 | $17,000 | -50.0% | 7,903 | -26.6% | 0.00% | – |
| Q4 2019 | $34,000 | -76.7% | 10,766 | -66.7% | 0.00% | – |
| Q3 2019 | $146,000 | +256.1% | 32,372 | +385.5% | 0.00% | – |
| Q2 2019 | $41,000 | -25.5% | 6,668 | -16.0% | 0.00% | – |
| Q1 2019 | $55,000 | +83.3% | 7,936 | +1.9% | 0.00% | – |
| Q4 2018 | $30,000 | -65.1% | 7,790 | -51.3% | 0.00% | – |
| Q3 2018 | $86,000 | -73.2% | 15,992 | -75.5% | 0.00% | – |
| Q2 2018 | $321,000 | +4.6% | 65,405 | +71.1% | 0.00% | – |
| Q1 2018 | $307,000 | -12.8% | 38,218 | +11.3% | 0.00% | – |
| Q4 2017 | $352,000 | -10.4% | 34,350 | +26.9% | 0.00% | – |
| Q3 2017 | $393,000 | – | 27,062 | – | 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% |