MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 70 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q3 2017. The put-call ratio across all filers is 0.10 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $296 | -99.2% | 24 | -99.2% | 0.00% | – |
| Q2 2023 | $38,339 | +1178.0% | 3,117 | +594.2% | 0.00% | – |
| Q2 2019 | $3,000 | -93.2% | 449 | -92.9% | 0.00% | – |
| Q1 2019 | $44,000 | +29.4% | 6,349 | -28.6% | 0.00% | – |
| Q4 2018 | $34,000 | +126.7% | 8,889 | +207.7% | 0.00% | – |
| Q3 2018 | $15,000 | -70.0% | 2,889 | -71.6% | 0.00% | – |
| Q2 2018 | $50,000 | +4.2% | 10,189 | +69.3% | 0.00% | – |
| Q1 2018 | $48,000 | -42.9% | 6,020 | -27.1% | 0.00% | – |
| Q4 2017 | $84,000 | -16.8% | 8,257 | +19.9% | 0.00% | – |
| Q3 2017 | $101,000 | – | 6,889 | – | 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% |