IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 123 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q3 2013. The put-call ratio across all filers is 0.93 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2014 | $306,000 | -94.1% | 20,000 | -95.0% | 2.62% | -34.9% |
| Q3 2014 | $5,189,000 | -40.8% | 400,566 | -29.9% | 4.02% | -52.3% |
| Q2 2014 | $8,760,000 | +104.4% | 571,366 | +64.3% | 8.42% | +131.1% |
| Q1 2014 | $4,285,000 | +19.8% | 347,800 | +12.9% | 3.64% | +23.3% |
| Q4 2013 | $3,576,000 | +250.2% | 308,000 | +257.3% | 2.96% | +433.6% |
| Q3 2013 | $1,021,000 | +413.1% | 86,200 | +331.0% | 0.55% | +114.7% |
| Q2 2013 | $199,000 | – | 20,000 | – | 0.26% | – |
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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% |