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 2023 | $798 | -90.0% | 75 | -88.7% | 0.00% | – |
| Q1 2022 | $8,000 | -96.5% | 663 | -96.6% | 0.00% | – |
| Q4 2021 | $230,000 | -13.2% | 19,719 | -2.9% | 0.00% | – |
| Q3 2021 | $265,000 | +24.4% | 20,306 | +22.9% | 0.00% | – |
| Q2 2021 | $213,000 | +100.9% | 16,529 | +74.6% | 0.00% | – |
| Q1 2021 | $106,000 | +221.2% | 9,466 | +227.3% | 0.00% | – |
| Q4 2020 | $33,000 | -79.1% | 2,892 | -83.6% | 0.00% | – |
| Q3 2020 | $158,000 | +51.9% | 17,589 | +74.7% | 0.00% | – |
| Q2 2020 | $104,000 | +1633.3% | 10,066 | +1583.3% | 0.00% | – |
| Q1 2020 | $6,000 | +500.0% | 598 | +443.6% | 0.00% | – |
| Q2 2019 | $1,000 | -96.4% | 110 | -94.7% | 0.00% | – |
| Q1 2019 | $28,000 | -84.3% | 2,067 | -88.0% | 0.00% | -100.0% |
| Q4 2018 | $178,000 | +212.3% | 17,179 | +364.8% | 0.00% | +100.0% |
| Q1 2018 | $57,000 | +1325.0% | 3,696 | +1421.0% | 0.00% | – |
| Q4 2017 | $4,000 | -95.9% | 243 | -96.1% | 0.00% | -100.0% |
| Q3 2017 | $98,000 | +63.3% | 6,228 | +95.8% | 0.00% | 0.0% |
| Q2 2017 | $60,000 | -90.3% | 3,181 | -94.6% | 0.00% | -88.9% |
| Q3 2015 | $617,000 | +82.0% | 59,198 | +110.8% | 0.01% | +80.0% |
| Q2 2015 | $339,000 | +406.0% | 28,082 | +440.5% | 0.01% | +400.0% |
| Q3 2014 | $67,000 | -23.9% | 5,196 | -9.2% | 0.00% | 0.0% |
| Q2 2014 | $88,000 | -88.9% | 5,725 | -91.1% | 0.00% | -92.3% |
| Q1 2014 | $795,000 | +164.1% | 64,553 | +148.8% | 0.01% | +160.0% |
| Q4 2013 | $301,000 | +1268.2% | 25,949 | +1070.5% | 0.01% | +400.0% |
| Q2 2013 | $22,000 | – | 2,217 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 16,390,000 | $188,977,000 | 19.02% |
| 13D Management LLC | 600,431 | $6,923,000 | 3.06% |
| BRIDGER MANAGEMENT, LLC | 956,014 | $11,023,000 | 2.48% |
| Brown Capital Management | 11,641,935 | $134,232,000 | 1.80% |
| Price Jennifer C. | 520,000 | $5,996,000 | 1.02% |
| Monarch Partners Asset Management LLC | 272,425 | $3,141,000 | 0.88% |
| ALPHASIMPLEX GROUP, LLC | 10,510 | $121,000 | 0.86% |
| Intrinsic Value Partners, LLC | 54,105 | $624,000 | 0.80% |
| CLARK ESTATES INC/NY | 355,000 | $4,093,000 | 0.71% |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC | 692 | $60,000,000 | 0.63% |