MERRIMACK PHARMACEUTICALS IN's ticker is MACKXXXX and the CUSIP is 590328100. A total of 150 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q2 2015. The put-call ratio across all filers is 0.28 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2016 | $4,015,000 | -24.6% | 744,813 | +17.0% | 0.01% | -20.0% |
| Q1 2016 | $5,328,000 | +2413.2% | 636,613 | +3620.1% | 0.01% | – |
| Q2 2015 | $212,000 | -92.7% | 17,113 | -93.3% | 0.00% | -100.0% |
| Q4 2014 | $2,886,000 | +2.3% | 255,413 | -20.5% | 0.01% | -12.5% |
| Q3 2014 | $2,820,000 | -32.1% | 321,213 | -43.6% | 0.01% | -20.0% |
| Q2 2014 | $4,151,000 | – | 569,413 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GARRISON BRADFORD & ASSOCIATES INC | 98,001 | $661,000 | 0.71% |
| Tekla Capital Management LLC | 537,600 | $3,618,000 | 0.49% |
| CAMBRIDGE TRUST CO | 239,003 | $1,611,000 | 0.17% |
| FARALLON CAPITAL MANAGEMENT LLC | 1,067,538 | $7,185,000 | 0.14% |
| Asset Management Group, Inc. | 29,453 | $199,000 | 0.14% |
| Magnetar Financial LLC | 754,837 | $5,080,000 | 0.11% |
| Trellus Management Company, LLC | 11,000 | $74,000 | 0.09% |
| JAMISON EATON & WOOD INC /NJ | 42,042 | $283,000 | 0.08% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 1,491,850 | $10,055,000 | 0.07% |
| NORTH AMERICAN MANAGEMENT CORP | 45,000 | $303,000 | 0.06% |