IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 158 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q3 2016. The put-call ratio across all filers is 2.50 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $525,000 | +2.9% | 34,000 | 0.0% | 0.01% | 0.0% |
| Q4 2017 | $510,000 | -4.9% | 34,000 | 0.0% | 0.01% | -7.1% |
| Q3 2017 | $536,000 | -6.6% | 34,000 | +11.8% | 0.01% | -12.5% |
| Q2 2017 | $574,000 | +10.6% | 30,400 | 0.0% | 0.02% | +6.7% |
| Q1 2017 | $519,000 | +11.6% | 30,400 | 0.0% | 0.02% | +7.1% |
| Q4 2016 | $465,000 | -4.9% | 30,400 | -1.3% | 0.01% | 0.0% |
| Q3 2016 | $489,000 | +24.7% | 30,800 | +2.7% | 0.01% | +16.7% |
| Q2 2016 | $392,000 | -69.5% | 30,000 | -75.7% | 0.01% | -69.2% |
| Q3 2015 | $1,284,000 | -35.2% | 123,270 | -25.0% | 0.04% | -29.1% |
| Q2 2015 | $1,983,000 | – | 164,400 | – | 0.06% | – |
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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% |