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 | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $785,000 | +223.0% | 99,400 | +404.6% | 0.10% | +194.1% |
| Q2 2015 | $243,000 | -91.3% | 19,700 | -91.6% | 0.03% | -91.2% |
| Q1 2015 | $2,781,000 | +33.3% | 234,100 | +26.8% | 0.39% | +10.5% |
| Q4 2014 | $2,087,000 | +163.2% | 184,600 | +104.0% | 0.35% | +195.0% |
| Q3 2014 | $793,000 | – | 90,500 | – | 0.12% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Lagoda Investment Management, L.P. | 2,244,080 | $12,096,000 | 4.51% |
| ALTFEST L J & CO INC | 39,491 | $1,653,000 | 1.15% |
| GARRISON BRADFORD & ASSOCIATES INC | 82,700 | $446,000 | 0.44% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 9,074,557 | $48,912,000 | 0.40% |
| Virtus ETF Advisers LLC | 87,477 | $472,000 | 0.35% |
| Cannell & Co. | 1,614,678 | $8,703,000 | 0.32% |
| Birchview Capital, LP | 44,000 | $237,000 | 0.17% |
| STONERIDGE INVESTMENT PARTNERS LLC | 180,534 | $973,000 | 0.14% |
| HighPoint Advisor Group LLC | 8,484 | $344,000 | 0.12% |
| MARINER INVESTMENT GROUP LLC | 63,090 | $340,000 | 0.12% |