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 | $14,000 | -54.8% | 10,937 | +8.1% | 0.00% | – |
| Q1 2017 | $31,000 | -24.4% | 10,121 | 0.0% | 0.00% | – |
| Q4 2016 | $41,000 | -50.6% | 10,121 | -22.1% | 0.00% | -100.0% |
| Q3 2016 | $83,000 | 0.0% | 12,995 | -15.2% | 0.00% | 0.0% |
| Q2 2016 | $83,000 | -22.4% | 15,320 | +20.3% | 0.00% | 0.0% |
| Q1 2016 | $107,000 | +46.6% | 12,731 | +37.6% | 0.00% | 0.0% |
| Q4 2015 | $73,000 | -29.1% | 9,255 | -23.8% | 0.00% | 0.0% |
| Q3 2015 | $103,000 | +123.9% | 12,148 | +227.2% | 0.00% | – |
| Q2 2015 | $46,000 | +35.3% | 3,713 | +28.6% | 0.00% | – |
| Q1 2015 | $34,000 | +6.2% | 2,888 | +1.3% | 0.00% | – |
| Q4 2014 | $32,000 | +10.3% | 2,851 | -15.0% | 0.00% | – |
| Q3 2014 | $29,000 | +20.8% | 3,355 | +1.5% | 0.00% | – |
| Q2 2014 | $24,000 | +41.2% | 3,304 | 0.0% | 0.00% | – |
| Q1 2014 | $17,000 | -5.6% | 3,304 | -3.8% | 0.00% | – |
| Q4 2013 | $18,000 | -60.0% | 3,433 | -70.7% | 0.00% | – |
| Q3 2013 | $45,000 | +15.4% | 11,724 | +103.1% | 0.00% | – |
| Q2 2013 | $39,000 | – | 5,772 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|