MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 40 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q3 2021. The put-call ratio across all filers is 1.98 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $132,213 | +26663.8% | 10,749 | -73.3% | 0.00% | – |
| Q1 2023 | $494 | +153.3% | 40,204 | +136.7% | 0.00% | – |
| Q4 2022 | $195 | -99.7% | 16,985 | +51.8% | 0.00% | – |
| Q2 2021 | $71,000 | -7.8% | 11,187 | -9.0% | 0.00% | – |
| Q1 2021 | $77,000 | +5.5% | 12,292 | +17.0% | 0.00% | – |
| Q1 2019 | $73,000 | -33.0% | 10,503 | -62.7% | 0.00% | – |
| Q4 2018 | $109,000 | -84.7% | 28,184 | -78.9% | 0.00% | -100.0% |
| Q3 2018 | $712,000 | -15.1% | 133,650 | -21.8% | 0.00% | 0.0% |
| Q2 2018 | $839,000 | -20.8% | 170,906 | +30.0% | 0.00% | 0.0% |
| Q1 2018 | $1,059,000 | -49.5% | 131,504 | -35.7% | 0.00% | -66.7% |
| Q4 2017 | $2,097,000 | +125.2% | 204,566 | +219.6% | 0.00% | +200.0% |
| Q3 2017 | $931,000 | – | 63,999 | – | 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% |