IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 148 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2018. The put-call ratio across all filers is 0.49 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $1,000 | 0.0% | 45 | 0.0% | 0.00% | – |
| Q1 2022 | $1,000 | 0.0% | 45 | 0.0% | 0.00% | – |
| Q4 2021 | $1,000 | 0.0% | 45 | 0.0% | 0.00% | – |
| Q3 2021 | $1,000 | 0.0% | 45 | 0.0% | 0.00% | – |
| Q2 2021 | $1,000 | 0.0% | 45 | 0.0% | 0.00% | – |
| Q1 2021 | $1,000 | 0.0% | 45 | 0.0% | 0.00% | – |
| Q4 2020 | $1,000 | – | 45 | 0.0% | 0.00% | – |
| Q3 2020 | $0 | – | 45 | 0.0% | 0.00% | – |
| Q2 2020 | $0 | – | 45 | 0.0% | 0.00% | – |
| Q1 2020 | $0 | – | 45 | 0.0% | 0.00% | – |
| Q4 2019 | $0 | – | 45 | 0.0% | 0.00% | – |
| Q3 2019 | $0 | -100.0% | 45 | 0.0% | 0.00% | – |
| Q1 2019 | $1,000 | – | 45 | 0.0% | 0.00% | – |
| Q4 2018 | $0 | – | 45 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 16,390,000 | $183,240,000 | 17.56% |
| HealthInvest Partners AB | 1,450,000 | $16,211,000 | 12.91% |
| Healthcare Value Capital, LLC | 200,000 | $2,236,000 | 4.98% |
| BRIDGER MANAGEMENT, LLC | 2,852,414 | $31,890,000 | 2.98% |
| Camber Capital Management LP | 7,500,000 | $83,850,000 | 2.88% |
| 13D Management LLC | 658,017 | $7,357,000 | 2.72% |
| Brown Capital Management | 20,170,126 | $225,502,000 | 1.68% |
| Healthcare Value Capital, LLC | 50,000 | $559,000 | 1.24% |
| Zebra Capital Management LLC | 59,122 | $661,000 | 0.73% |
| PRICE MICHAEL F | 520,000 | $5,814,000 | 0.70% |