IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 166 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2016. The put-call ratio across all filers is 0.80 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $50,000 | -62.4% | 4,800 | -63.4% | 0.00% | -50.0% |
| Q1 2020 | $133,000 | +146.3% | 13,100 | +351.7% | 0.00% | +100.0% |
| Q3 2018 | $54,000 | -1.8% | 2,900 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $55,000 | +22.2% | 2,900 | 0.0% | 0.00% | – |
| Q1 2018 | $45,000 | +4.7% | 2,900 | 0.0% | 0.00% | – |
| Q4 2017 | $43,000 | -6.5% | 2,900 | 0.0% | 0.00% | – |
| Q3 2017 | $46,000 | -16.4% | 2,900 | 0.0% | 0.00% | – |
| Q2 2017 | $55,000 | +10.0% | 2,900 | -1.4% | 0.00% | – |
| Q1 2017 | $50,000 | +4900.0% | 2,941 | +7073.2% | 0.00% | – |
| Q4 2016 | $1,000 | 0.0% | 41 | +64.0% | 0.00% | – |
| Q4 2015 | $1,000 | – | 25 | – | 0.00% | – |
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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% |