MERRIMACK PHARMACEUTICALS IN's ticker is MACKXXXX and the CUSIP is 590328100. A total of 94 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q4 2013. The put-call ratio across all filers is 0.34 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2015 | $574,000 | -87.3% | 46,387 | -87.8% | 0.00% | -86.4% |
| Q1 2015 | $4,516,000 | +0.1% | 380,155 | -4.8% | 0.02% | -12.0% |
| Q4 2014 | $4,513,000 | +257.3% | 399,412 | +177.6% | 0.02% | +316.7% |
| Q3 2014 | $1,263,000 | +150.1% | 143,900 | +107.6% | 0.01% | +200.0% |
| Q2 2014 | $505,000 | +400.0% | 69,320 | +266.4% | 0.00% | +100.0% |
| Q4 2013 | $101,000 | – | 18,921 | – | 0.00% | – |
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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% |