IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 132 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q3 2015. The put-call ratio across all filers is 1.51 and the average weighting 0.2%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| BVF INC/IL | 5,597,065 | $72,510,000 | 15.06% |
| SOUND ENERGY PARTNERS, INC. | 400,566 | $5,189,000 | 4.02% |
| SECTOR GAMMA AS | 1,138,291 | $14,747,000 | 3.45% |
| Orbimed Advisors | 12,012,100 | $155,617,000 | 1.62% |
| SHAPIRO ROBERT N | 485,974 | $6,296,000 | 1.20% |
| Broderick Brian C | 166,345 | $2,156,000 | 0.96% |
| Hall Kathryn A. | 193,588 | $2,508,000 | 0.65% |
| Tekla Capital Management LLC | 768,050 | $9,950,000 | 0.47% |
| PARADIGM ASSET MANAGEMENT CO LLC | 180,800 | $2,342,264,000 | 0.33% |
| BOURGEON CAPITAL MANAGEMENT LLC | 42,800 | $554,000 | 0.32% |