MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $61,650 | +0.9% | 5,000 | 0.0% | 0.02% | 0.0% |
| Q2 2023 | $61,100 | -1.5% | 5,000 | 0.0% | 0.02% | +5.6% |
| Q1 2023 | $62,050 | +8.3% | 5,000 | 0.0% | 0.02% | 0.0% |
| Q4 2022 | $57,300 | +201.6% | 5,000 | 0.0% | 0.02% | +157.1% |
| Q3 2022 | $19,000 | -36.7% | 5,000 | 0.0% | 0.01% | -30.0% |
| Q2 2022 | $30,000 | -6.2% | 5,000 | 0.0% | 0.01% | 0.0% |
| Q1 2022 | $32,000 | +60.0% | 5,000 | 0.0% | 0.01% | +42.9% |
| Q4 2021 | $20,000 | -16.7% | 5,000 | 0.0% | 0.01% | -22.2% |
| Q3 2021 | $24,000 | -22.6% | 5,000 | 0.0% | 0.01% | -30.8% |
| Q1 2021 | $31,000 | – | 5,000 | – | 0.01% | – |
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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% |