MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 77 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q2 2018. The put-call ratio across all filers is 0.19 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $76,000 | -74.8% | 19,461 | -68.9% | 0.00% | – |
| Q3 2021 | $302,000 | -53.7% | 62,520 | -38.7% | 0.00% | -100.0% |
| Q2 2021 | $652,000 | -44.8% | 101,970 | -45.8% | 0.00% | 0.0% |
| Q1 2021 | $1,182,000 | -3.0% | 188,161 | +6.4% | 0.00% | 0.0% |
| Q4 2020 | $1,219,000 | +1039.3% | 176,861 | +420.8% | 0.00% | – |
| Q4 2019 | $107,000 | -94.3% | 33,961 | -85.4% | 0.00% | -100.0% |
| Q2 2018 | $1,868,000 | 0.0% | 232,098 | 0.0% | 0.00% | -50.0% |
| Q1 2018 | $1,868,000 | – | 232,098 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Western Standard LLC | 869,354 | $2,895,000 | 3.47% |
| 22NW, LP | 1,241,896 | $4,136,000 | 2.24% |
| Newtyn Management, LLC | 1,199,606 | $3,995,000 | 1.46% |
| WITTENBERG INVESTMENT MANAGEMENT, INC. | 186,198 | $620,000 | 0.35% |
| Yakira Capital Management, Inc. | 66,934 | $223,000 | 0.10% |
| Sepio Capital, LP | 210,534 | $701,000 | 0.08% |
| Nantahala Capital Management | 747,635 | $2,490,000 | 0.08% |
| Watson Rebecca | 3,068 | $10,000 | 0.01% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 61,700 | $205,000 | 0.00% |
| WEBSTER BANK, N. A. | 3,055 | $10,000 | 0.00% |