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 2016 | $12,000 | -45.5% | 2,847 | -16.5% | 0.00% | – |
| Q3 2016 | $22,000 | +1000.0% | 3,408 | +637.7% | 0.00% | – |
| Q2 2016 | $2,000 | -50.0% | 462 | 0.0% | 0.00% | – |
| Q1 2016 | $4,000 | -60.0% | 462 | -64.5% | 0.00% | – |
| Q4 2015 | $10,000 | -60.0% | 1,300 | -55.5% | 0.00% | – |
| Q3 2015 | $25,000 | +257.1% | 2,921 | +389.3% | 0.00% | – |
| Q2 2015 | $7,000 | -85.1% | 597 | -85.0% | 0.00% | – |
| Q1 2015 | $47,000 | -30.9% | 3,984 | -33.9% | 0.00% | – |
| Q4 2014 | $68,000 | +580.0% | 6,030 | +430.3% | 0.00% | – |
| Q3 2014 | $10,000 | – | 1,137 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Lagoda Investment Management, L.P. | 1,931,872 | $22,951,000 | 6.14% |
| B & T Capital Management DBA Alpha Capital Management | 280,113 | $3,165,000 | 2.22% |
| Portolan Capital Management | 539,626 | $6,411,000 | 1.18% |
| Schonfeld Group Holdings LLC | 12,800 | $152,000 | 1.17% |
| GARRISON BRADFORD & ASSOCIATES INC | 90,700 | $1,078,000 | 1.01% |
| Opus Point Partners Management, LLC | 72,009 | $855,000 | 0.72% |
| Eagle Ridge Investment Management | 117,500 | $1,396,000 | 0.63% |
| EAM Investors, LLC | 372,015 | $4,420,000 | 0.51% |
| Spark Investment Management LLC | 234,100 | $2,781,000 | 0.39% |
| Pinnacle Wealth Management Advisory Group, LLC | 27,250 | $324,000 | 0.29% |