MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 55 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q1 2019. The put-call ratio across all filers is 0.37 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $11,000 | +22.2% | 2,700 | -3.6% | 0.00% | – |
| Q2 2020 | $9,000 | -57.1% | 2,800 | -58.2% | 0.00% | -100.0% |
| Q4 2019 | $21,000 | -64.4% | 6,699 | -49.1% | 0.00% | -66.7% |
| Q3 2019 | $59,000 | +1.7% | 13,154 | +37.0% | 0.00% | 0.0% |
| Q2 2019 | $58,000 | +65.7% | 9,600 | +92.0% | 0.00% | +50.0% |
| Q1 2019 | $35,000 | -5.4% | 5,000 | +8.7% | 0.00% | -33.3% |
| Q1 2018 | $37,000 | – | 4,600 | – | 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% |