MERRIMACK PHARMACEUTICALS IN's ticker is MACKXXXX and the CUSIP is 590328100. A total of 144 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q4 2014. The put-call ratio across all filers is 2.36 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2017 | $46,000 | -42.5% | 37,183 | +44.0% | 0.00% | -50.0% |
| Q1 2017 | $80,000 | -56.5% | 25,813 | -42.9% | 0.00% | -60.0% |
| Q4 2016 | $184,000 | +201.6% | 45,209 | +296.6% | 0.01% | +400.0% |
| Q2 2016 | $61,000 | -59.1% | 11,400 | -36.0% | 0.00% | -75.0% |
| Q1 2016 | $149,000 | +8.0% | 17,800 | +45.9% | 0.00% | -20.0% |
| Q4 2014 | $138,000 | +39.4% | 12,196 | -10.5% | 0.01% | +25.0% |
| Q2 2014 | $99,000 | – | 13,622 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Lagoda Investment Management, L.P. | 2,211,880 | $17,474,000 | 4.63% |
| Parametrica Management Ltd | 21,228 | $168,000 | 1.11% |
| GARRISON BRADFORD & ASSOCIATES INC | 82,700 | $653,000 | 0.73% |
| Virtus ETF Advisers LLC | 33,570 | $265,000 | 0.73% |
| Opus Point Partners Management, LLC | 122,500 | $968,000 | 0.64% |
| NEXTHERA CAPITAL LP | 36,000 | $284,000 | 0.40% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 7,255,815 | $57,321,000 | 0.39% |
| Cannell & Co. | 1,051,178 | $7,751,000 | 0.25% |
| Tekla Capital Management LLC | 853,787 | $6,745,000 | 0.24% |
| STONERIDGE INVESTMENT PARTNERS LLC | 208,282 | $1,645,000 | 0.22% |