MERRIMACK PHARMACEUTICALS IN's ticker is and the CUSIP is 590328909. A total of 3 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2024 | $326,417 | +914.2% | 22,100 | +820.8% | 0.00% | – |
| Q4 2023 | $32,184 | -85.0% | 2,400 | -86.2% | 0.00% | -100.0% |
| Q3 2023 | $214,542 | -33.4% | 17,400 | -33.6% | 0.00% | 0.0% |
| Q2 2023 | $322,260 | -75.5% | 26,200 | -75.5% | 0.00% | -80.0% |
| Q1 2023 | $1,315,030 | +19.2% | 107,000 | +11.1% | 0.01% | +66.7% |
| Q4 2022 | $1,103,598 | +110259.8% | 96,300 | +48050.0% | 0.00% | – |
| Q3 2022 | $1,000 | -90.9% | 200 | -89.5% | 0.00% | – |
| Q2 2022 | $11,000 | -52.2% | 1,900 | -47.2% | 0.00% | – |
| Q1 2022 | $23,000 | +360.0% | 3,600 | +260.0% | 0.00% | – |
| Q3 2021 | $5,000 | -50.0% | 1,000 | -37.5% | 0.00% | – |
| Q2 2021 | $10,000 | -95.8% | 1,600 | -95.8% | 0.00% | – |
| Q1 2021 | $237,000 | -31.7% | 37,700 | -25.0% | 0.00% | -100.0% |
| Q4 2020 | $347,000 | +14.1% | 50,300 | -33.9% | 0.00% | 0.0% |
| Q3 2020 | $304,000 | +4.5% | 76,100 | -12.8% | 0.00% | 0.0% |
| Q2 2020 | $291,000 | +1840.0% | 87,300 | +1147.1% | 0.00% | – |
| Q1 2020 | $15,000 | +87.5% | 7,000 | +180.0% | 0.00% | – |
| Q4 2019 | $8,000 | -77.1% | 2,500 | -67.5% | 0.00% | – |
| Q3 2019 | $35,000 | +12.9% | 7,700 | +48.1% | 0.00% | – |
| Q2 2019 | $31,000 | +181.8% | 5,200 | +160.0% | 0.00% | – |
| Q3 2018 | $11,000 | -8.3% | 2,000 | -16.7% | 0.00% | – |
| Q2 2018 | $12,000 | -40.0% | 2,400 | +71.4% | 0.00% | – |
| Q3 2017 | $20,000 | – | 1,400 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING LLC | 107,000 | $1,315,030 | 0.01% |
| SIMPLEX TRADING, LLC | 65,500 | $804 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |