MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 37 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q2 2020. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $11,000 | +22.2% | 2,700 | -3.6% | 0.00% | – |
| Q2 2020 | $9,000 | -57.1% | 2,800 | -58.2% | 0.00% | -100.0% |
| Q4 2019 | $21,000 | -64.4% | 6,699 | -49.1% | 0.00% | -66.7% |
| Q3 2019 | $59,000 | +1.7% | 13,154 | +37.0% | 0.00% | 0.0% |
| Q2 2019 | $58,000 | +65.7% | 9,600 | +92.0% | 0.00% | +50.0% |
| Q1 2019 | $35,000 | -5.4% | 5,000 | +8.7% | 0.00% | -33.3% |
| Q1 2018 | $37,000 | – | 4,600 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Newtyn Management, LLC | 362,335 | $3,714,000 | 0.57% |
| Rubric Capital Management LP | 410,244 | $4,205,000 | 0.52% |
| WITTENBERG INVESTMENT MANAGEMENT, INC. | 83,811 | $859,000 | 0.37% |
| Yakira Capital Management, Inc. | 83,969 | $861,000 | 0.28% |
| KEMPNER CAPITAL MANAGEMENT INC. | 14,898 | $153,000 | 0.10% |
| STONEBRIDGE CAPITAL MANAGEMENT INC | 18,550 | $200,000 | 0.07% |
| BOGLE INVESTMENT MANAGEMENT L P /DE/ | 66,498 | $681,000 | 0.05% |
| Cannell & Co. | 75,467 | $774,000 | 0.03% |
| Trexquant Investment LP | 21,347 | $219,000 | 0.02% |
| PDT Partners, LLC | 58,004 | $595,000 | 0.02% |