MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 63 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q2 2023. The put-call ratio across all filers is 0.21 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $6,145 | +7.2% | 500 | 0.0% | 0.00% | 0.0% |
| Q4 2022 | $5,730 | +186.5% | 500 | 0.0% | 0.00% | – |
| Q3 2022 | $2,000 | -33.3% | 500 | 0.0% | 0.00% | – |
| Q2 2022 | $3,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q1 2022 | $3,000 | +50.0% | 500 | 0.0% | 0.00% | – |
| Q4 2021 | $2,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q3 2021 | $2,000 | -33.3% | 500 | 0.0% | 0.00% | – |
| Q2 2021 | $3,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q1 2021 | $3,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q4 2020 | $3,000 | +50.0% | 500 | 0.0% | 0.00% | – |
| Q3 2020 | $2,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q2 2020 | $2,000 | +100.0% | 500 | 0.0% | 0.00% | – |
| Q1 2020 | $1,000 | -50.0% | 500 | 0.0% | 0.00% | – |
| Q4 2019 | $2,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q3 2019 | $2,000 | -33.3% | 500 | 0.0% | 0.00% | – |
| Q2 2019 | $3,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q1 2019 | $3,000 | +50.0% | 500 | 0.0% | 0.00% | – |
| Q4 2018 | $2,000 | -33.3% | 500 | 0.0% | 0.00% | – |
| Q3 2018 | $3,000 | +50.0% | 500 | 0.0% | 0.00% | – |
| Q2 2018 | $2,000 | -50.0% | 500 | 0.0% | 0.00% | -100.0% |
| Q1 2018 | $4,000 | – | 500 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Newtyn Management, LLC | 633,297 | $3,109,000 | 0.58% |
| BVF INC/IL | 1,110,588 | $5,453,000 | 0.53% |
| WITTENBERG INVESTMENT MANAGEMENT, INC. | 253,752 | $1,246,000 | 0.53% |
| Rubric Capital Management LP | 476,164 | $2,338,000 | 0.23% |
| Clearline Capital LP | 59,331 | $291,000 | 0.19% |
| Yakira Capital Management, Inc. | 66,934 | $329,000 | 0.08% |
| KEMPNER CAPITAL MANAGEMENT INC. | 14,898 | $73,000 | 0.05% |
| STONEBRIDGE CAPITAL MANAGEMENT INC | 20,725 | $106,000 | 0.04% |
| J. Goldman & Co LP | 100,000 | $491,000 | 0.02% |
| Dynamic Technology Lab Private Ltd | 22,731 | $112,000 | 0.02% |