IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 141 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q3 2014. The put-call ratio across all filers is 2.95 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2017 | $302,000 | -75.1% | 16,000 | -84.7% | 0.20% | -20.7% |
| Q4 2015 | $1,215,000 | +11.2% | 104,850 | 0.0% | 0.25% | +13.6% |
| Q3 2015 | $1,093,000 | -90.7% | 104,850 | -86.3% | 0.22% | -57.6% |
| Q2 2014 | $11,768,000 | -15.2% | 767,670 | -31.9% | 0.52% | +41.6% |
| Q1 2014 | $13,882,000 | +23.6% | 1,126,790 | +16.5% | 0.37% | +84.0% |
| Q4 2013 | $11,234,000 | +1121.1% | 967,580 | +943.6% | 0.20% | +1566.7% |
| Q2 2013 | $920,000 | – | 92,720 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 16,390,000 | $191,107,000 | 16.54% |
| HealthInvest Partners AB | 730,000 | $8,512,000 | 11.99% |
| 13D Management LLC | 612,853 | $7,146,000 | 2.74% |
| Brown Capital Management | 16,257,899 | $189,567,000 | 1.57% |
| BRIDGER MANAGEMENT, LLC | 929,714 | $10,840,000 | 1.40% |
| Camber Capital Management LP | 3,000,000 | $34,980,000 | 1.20% |
| Intrinsic Value Partners, LLC | 55,057 | $642,000 | 0.68% |
| PRICE MICHAEL F | 520,000 | $6,063,000 | 0.67% |
| CLARK ESTATES INC/NY | 355,000 | $4,139,000 | 0.61% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 8,145,674 | $94,979,000 | 0.56% |