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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $421,686 | +0.2% | 34,200 | 0.0% | 0.01% | 0.0% |
| Q2 2023 | $420,660 | +0.1% | 34,200 | 0.0% | 0.01% | -9.1% |
| Q1 2023 | $420,318 | +7.2% | 34,200 | 0.0% | 0.01% | +10.0% |
| Q4 2022 | $391,932 | +206.2% | 34,200 | 0.0% | 0.01% | +233.3% |
| Q3 2022 | $128,000 | -63.6% | 34,200 | -42.2% | 0.00% | -62.5% |
| Q2 2022 | $352,000 | -5.9% | 59,200 | 0.0% | 0.01% | +14.3% |
| Q1 2022 | $374,000 | +61.9% | 59,200 | 0.0% | 0.01% | +75.0% |
| Q4 2021 | $231,000 | -19.2% | 59,200 | 0.0% | 0.00% | -20.0% |
| Q3 2021 | $286,000 | -24.3% | 59,200 | 0.0% | 0.01% | -28.6% |
| Q2 2021 | $378,000 | -6.2% | 59,200 | -7.8% | 0.01% | -12.5% |
| Q1 2021 | $403,000 | -5.2% | 64,200 | +4.1% | 0.01% | -11.1% |
| Q4 2020 | $425,000 | +72.1% | 61,700 | 0.0% | 0.01% | +50.0% |
| Q3 2020 | $247,000 | +20.5% | 61,700 | 0.0% | 0.01% | +50.0% |
| Q2 2020 | $205,000 | +54.1% | 61,700 | 0.0% | 0.00% | +33.3% |
| Q1 2020 | $133,000 | -31.4% | 61,700 | 0.0% | 0.00% | 0.0% |
| Q4 2019 | $194,000 | -30.0% | 61,700 | 0.0% | 0.00% | -25.0% |
| Q3 2019 | $277,000 | -25.7% | 61,700 | 0.0% | 0.00% | -20.0% |
| Q2 2019 | $373,000 | +100.5% | 61,700 | +131.1% | 0.01% | +150.0% |
| Q1 2019 | $186,000 | -44.8% | 26,700 | -57.8% | 0.00% | -33.3% |
| Q3 2018 | $337,000 | +8.7% | 63,200 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $310,000 | – | 63,200 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Western Standard LLC | 1,894,013 | $23,353,180 | 21.09% |
| Newtyn Management, LLC | 1,873,694 | $23,102,647 | 5.70% |
| Sio Capital Management, LLC | 288,466 | $3,556,786 | 1.10% |
| Madison Avenue Partners, LP | 553,085 | $6,819,538 | 0.97% |
| WITTENBERG INVESTMENT MANAGEMENT, INC. | 209,739 | $2,586 | 0.95% |
| Indaba Capital Management, L.P. | 136,802 | $1,686,769 | 0.50% |
| Sepio Capital, LP | 306,680 | $3,781,364 | 0.33% |
| Yakira Capital Management, Inc. | 54,118 | $667,275 | 0.18% |
| Centiva Capital, LP | 187,803 | $2,315,611 | 0.05% |
| FIFTH LANE CAPITAL, LP | 10,929 | $134,427 | 0.05% |