IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 166 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2016. The put-call ratio across all filers is 0.80 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $6,496,000 | +23.6% | 424,864 | +28.4% | 0.01% | +40.0% |
| Q3 2016 | $5,254,000 | +31.4% | 330,843 | +8.2% | 0.01% | +25.0% |
| Q2 2016 | $4,000,000 | +22.0% | 305,902 | +2.0% | 0.00% | +33.3% |
| Q1 2016 | $3,280,000 | +124.4% | 299,831 | +137.7% | 0.00% | +50.0% |
| Q4 2015 | $1,462,000 | -26.1% | 126,130 | -33.6% | 0.00% | 0.0% |
| Q3 2015 | $1,978,000 | +5.3% | 189,826 | +21.9% | 0.00% | 0.0% |
| Q2 2015 | $1,878,000 | +3.8% | 155,698 | +37.6% | 0.00% | 0.0% |
| Q1 2015 | $1,810,000 | +20.3% | 113,131 | +15.2% | 0.00% | 0.0% |
| Q4 2014 | $1,505,000 | +13.1% | 98,208 | -4.4% | 0.00% | +100.0% |
| Q3 2014 | $1,331,000 | -22.3% | 102,755 | -8.1% | 0.00% | -50.0% |
| Q2 2014 | $1,714,000 | +13.7% | 111,789 | -8.7% | 0.00% | +100.0% |
| Q1 2014 | $1,508,000 | -53.5% | 122,425 | -56.2% | 0.00% | -66.7% |
| Q4 2013 | $3,242,000 | -0.1% | 279,242 | +1.9% | 0.00% | 0.0% |
| Q3 2013 | $3,245,000 | -28.0% | 274,111 | -39.6% | 0.00% | -40.0% |
| Q2 2013 | $4,505,000 | – | 453,660 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HealthInvest Partners AB | 1,520,000 | $19,562,000 | 18.54% |
| Sarissa Capital Management LP | 16,390,000 | $210,939,000 | 16.77% |
| Healthcare Value Capital, LLC | 200,000 | $2,574,000 | 5.13% |
| Camber Capital Management LP | 7,500,000 | $96,525,000 | 3.25% |
| 13D Management LLC | 650,455 | $8,371,000 | 2.88% |
| BRIDGER MANAGEMENT, LLC | 2,035,114 | $26,192,000 | 2.44% |
| Brown Capital Management | 18,484,759 | $237,899,000 | 1.80% |
| Healthcare Value Capital, LLC | 50,000 | $644,000 | 1.28% |
| Zebra Capital Management LLC | 53,359 | $687,000 | 0.80% |
| PRICE MICHAEL F | 520,000 | $6,692,000 | 0.74% |