MERRIMACK PHARMACEUTICALS IN's ticker is MACKXXXX and the CUSIP is 590328100. A total of 153 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q1 2015. The put-call ratio across all filers is 0.37 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2015 | $351,000 | -1.4% | 29,511 | -6.3% | 0.10% | +1.0% |
| Q4 2014 | $356,000 | -35.4% | 31,511 | -49.8% | 0.10% | -35.7% |
| Q3 2014 | $551,000 | +20.3% | 62,782 | 0.0% | 0.15% | +22.2% |
| Q2 2014 | $458,000 | +44.9% | 62,782 | 0.0% | 0.13% | +43.2% |
| Q1 2014 | $316,000 | -23.9% | 62,782 | -19.3% | 0.09% | -18.5% |
| Q4 2013 | $415,000 | +138.5% | 77,782 | +69.9% | 0.11% | +125.0% |
| Q3 2013 | $174,000 | -38.5% | 45,782 | +8.9% | 0.05% | -41.5% |
| Q2 2013 | $283,000 | – | 42,042 | – | 0.08% | – |
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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% |