MERRIMACK PHARMACEUTICALS IN's ticker is MACKXXXX and the CUSIP is 590328100. A total of 139 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q4 2015. The put-call ratio across all filers is 1.51 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2017 | $103,000 | -59.8% | 83,100 | 0.0% | 0.00% | – |
| Q1 2017 | $256,000 | -27.7% | 83,100 | -4.2% | 0.00% | -100.0% |
| Q4 2016 | $354,000 | -35.8% | 86,700 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $551,000 | +10.2% | 86,700 | -6.5% | 0.00% | 0.0% |
| Q2 2016 | $500,000 | -37.5% | 92,700 | -3.0% | 0.00% | 0.0% |
| Q1 2016 | $800,000 | -0.2% | 95,600 | -5.8% | 0.00% | 0.0% |
| Q4 2015 | $802,000 | -7.2% | 101,500 | 0.0% | 0.00% | 0.0% |
| Q3 2015 | $864,000 | -31.2% | 101,500 | 0.0% | 0.00% | -50.0% |
| Q2 2015 | $1,255,000 | +24.1% | 101,500 | 0.0% | 0.00% | +100.0% |
| Q1 2015 | $1,011,000 | 0.0% | 101,500 | 0.0% | 0.00% | 0.0% |
| Q4 2014 | $1,011,000 | +6640.0% | 101,500 | +2502.6% | 0.00% | – |
| Q3 2013 | $15,000 | +275.0% | 3,900 | +550.0% | 0.00% | – |
| Q2 2013 | $4,000 | – | 600 | – | 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% |