MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 64 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q3 2018. The put-call ratio across all filers is 1.34 and the average weighting 0.1%.
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 ↓ |
|---|---|---|---|
| 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% |