MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 57 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q4 2018. The put-call ratio across all filers is 59.00 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $177,182 | -47.4% | 14,405 | -86.5% | 0.00% | -50.0% |
| Q4 2019 | $337,000 | -29.9% | 107,098 | 0.0% | 0.00% | -33.3% |
| Q3 2019 | $481,000 | -49.0% | 107,098 | -31.3% | 0.00% | -50.0% |
| Q2 2019 | $943,000 | -16.1% | 155,846 | -3.7% | 0.01% | -14.3% |
| Q1 2019 | $1,124,000 | +72.1% | 161,774 | -4.3% | 0.01% | +75.0% |
| Q4 2018 | $653,000 | -28.6% | 169,074 | -1.5% | 0.00% | -20.0% |
| Q3 2018 | $914,000 | +6.5% | 171,574 | -1.8% | 0.01% | 0.0% |
| Q2 2018 | $858,000 | -25.6% | 174,774 | +22.0% | 0.01% | -28.6% |
| Q1 2018 | $1,153,000 | +26.8% | 143,265 | +61.6% | 0.01% | +40.0% |
| Q4 2017 | $909,000 | +74.8% | 88,640 | +147.7% | 0.01% | +66.7% |
| Q3 2017 | $520,000 | – | 35,787 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| 22NW, LP | 749,302 | $2,892,000 | 1.80% |
| Clearline Capital LP | 316,425 | $1,221,000 | 0.84% |
| Newtyn Management, LLC | 888,620 | $3,430,000 | 0.67% |
| Western Standard LLC | 150,363 | $580,000 | 0.54% |
| WITTENBERG INVESTMENT MANAGEMENT, INC. | 222,467 | $859,000 | 0.40% |
| BVF INC/IL | 721,935 | $2,787,000 | 0.36% |
| Sepio Capital, LP | 411,676 | $1,589,000 | 0.12% |
| Yakira Capital Management, Inc. | 66,934 | $258,000 | 0.09% |
| J. Goldman & Co LP | 152,095 | $587,000 | 0.04% |
| Spark Investment Management LLC | 48,909 | $188,000 | 0.01% |