IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 171 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q2 2017. The put-call ratio across all filers is 0.98 and the average weighting 0.2%.
Quarter-by-quarter ownership
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% |