IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 250 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q3 2023. The put-call ratio across all filers is 0.84 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $105,000 | -3.7% | 6,850 | 0.0% | 0.02% | -4.5% |
| Q3 2016 | $109,000 | +91.2% | 6,850 | +24.5% | 0.02% | +46.7% |
| Q3 2015 | $57,000 | -13.6% | 5,500 | 0.0% | 0.02% | -11.8% |
| Q2 2015 | $66,000 | -25.0% | 5,500 | 0.0% | 0.02% | -22.7% |
| Q1 2015 | $88,000 | +4.8% | 5,500 | 0.0% | 0.02% | -4.3% |
| Q4 2014 | $84,000 | +18.3% | 5,500 | 0.0% | 0.02% | +4.5% |
| Q3 2014 | $71,000 | +2.9% | 5,500 | +22.2% | 0.02% | 0.0% |
| Q2 2014 | $69,000 | +25.5% | 4,500 | 0.0% | 0.02% | +22.2% |
| Q1 2014 | $55,000 | +5.8% | 4,500 | 0.0% | 0.02% | -5.3% |
| Q4 2013 | $52,000 | -41.6% | 4,500 | -40.0% | 0.02% | -47.2% |
| Q3 2013 | $89,000 | +20.3% | 7,500 | 0.0% | 0.04% | +2.9% |
| Q2 2013 | $74,000 | -32.7% | 7,500 | +25.0% | 0.04% | -37.5% |
| Q1 2013 | $110,000 | +66.7% | 6,000 | 0.0% | 0.06% | +30.2% |
| Q4 2012 | $66,000 | – | 6,000 | – | 0.04% | – |
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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% |