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 | $99,000 | -56.4% | 68,918 | -5.0% | 0.00% | -50.0% |
| Q1 2017 | $227,000 | -5.8% | 72,568 | -0.8% | 0.01% | -25.0% |
| Q4 2016 | $241,000 | -55.9% | 73,156 | -20.3% | 0.01% | -63.6% |
| Q3 2016 | $547,000 | +13.3% | 91,802 | +8.4% | 0.02% | +10.0% |
| Q2 2016 | $483,000 | -40.6% | 84,652 | -12.9% | 0.02% | -48.7% |
| Q1 2016 | $813,000 | +23.7% | 97,152 | +16.9% | 0.04% | +21.9% |
| Q4 2015 | $657,000 | +11.0% | 83,102 | +19.5% | 0.03% | -3.0% |
| Q3 2015 | $592,000 | -27.7% | 69,513 | +4.9% | 0.03% | -15.4% |
| Q2 2015 | $819,000 | +19.4% | 66,240 | +14.7% | 0.04% | -2.5% |
| Q1 2015 | $686,000 | – | 57,750 | – | 0.04% | – |
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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% |