MERRIMACK PHARMACEUTICALS IN's ticker is MACKXXXX and the CUSIP is 590328100. A total of 118 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q1 2017. The put-call ratio across all filers is 1.86 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2017 | $31,000 | -59.7% | 25,000 | 0.0% | 0.00% | -50.0% |
| Q1 2017 | $77,000 | -24.5% | 25,000 | 0.0% | 0.00% | -33.3% |
| Q4 2016 | $102,000 | -35.8% | 25,000 | 0.0% | 0.00% | -25.0% |
| Q3 2016 | $159,000 | +17.8% | 25,000 | 0.0% | 0.00% | +33.3% |
| Q2 2016 | $135,000 | -35.4% | 25,000 | 0.0% | 0.00% | -40.0% |
| Q1 2016 | $209,000 | +5.6% | 25,000 | 0.0% | 0.01% | +25.0% |
| Q4 2015 | $198,000 | -7.0% | 25,000 | 0.0% | 0.00% | 0.0% |
| Q3 2015 | $213,000 | -9.4% | 25,000 | +31.6% | 0.00% | +33.3% |
| Q2 2015 | $235,000 | +4.0% | 19,000 | 0.0% | 0.00% | 0.0% |
| Q1 2015 | $226,000 | +66.2% | 19,000 | +58.3% | 0.00% | +50.0% |
| Q4 2014 | $136,000 | +29.5% | 12,000 | 0.0% | 0.00% | +100.0% |
| Q3 2014 | $105,000 | +20.7% | 12,000 | 0.0% | 0.00% | 0.0% |
| Q2 2014 | $87,000 | +45.0% | 12,000 | 0.0% | 0.00% | 0.0% |
| Q1 2014 | $60,000 | – | 12,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Lagoda Investment Management, L.P. | 2,100,140 | $25,968,000 | 6.81% |
| Portolan Capital Management | 664,298 | $8,214,000 | 1.15% |
| GARRISON BRADFORD & ASSOCIATES INC | 90,700 | $1,122,000 | 1.10% |
| Opus Point Partners Management, LLC | 72,009 | $890,000 | 0.70% |
| Eagle Ridge Investment Management | 122,500 | $1,515,000 | 0.68% |
| EAM Investors, LLC | 350,410 | $4,333,000 | 0.51% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 4,881,667 | $60,362,000 | 0.37% |
| Cannell & Co. | 1,051,178 | $12,998,000 | 0.37% |
| Birchview Capital, LP | 42,300 | $523,000 | 0.28% |
| Tekla Capital Management LLC | 567,787 | $7,021,000 | 0.25% |