IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 218 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2021. The put-call ratio across all filers is 0.17 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $8,932,000 | +4.9% | 710,000 | -2.7% | 14.22% | +18.6% |
| Q4 2021 | $8,512,000 | -4.9% | 730,000 | +6.6% | 11.99% | -10.5% |
| Q3 2021 | $8,946,000 | -54.3% | 685,000 | -54.9% | 13.40% | -27.7% |
| Q2 2021 | $19,562,000 | +20.7% | 1,520,000 | +4.8% | 18.54% | +43.6% |
| Q1 2021 | $16,211,000 | +70.4% | 1,450,000 | +73.7% | 12.91% | +105.0% |
| Q4 2020 | $9,511,000 | – | 835,000 | – | 6.30% | – |
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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% |