IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 213 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q2 2021. The put-call ratio across all filers is 0.19 and the average weighting 0.3%.
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% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 2,855,515 | $43,661,000 | 13.90% |
| BLUE JAY CAPITAL MANAGEMENT, LLC | 772,369 | $11,810,000 | 7.13% |
| Rubric Capital Management LP | 1,275,000 | $19,495,000 | 6.70% |
| SECTOR GAMMA AS | 1,972,678 | $30,162,000 | 5.68% |
| BRIDGER MANAGEMENT, LLC | 1,879,313 | $28,735,000 | 2.00% |
| Asymmetry Capital Management, L.P. | 57,363 | $877,000 | 1.63% |
| Orbimed Advisors | 7,241,300 | $110,719,000 | 1.41% |
| Broderick Brian C | 144,476 | $2,209,000 | 0.96% |
| Granahan Investment Management | 1,408,000 | $21,528,000 | 0.74% |
| Spark Investment Management LLC | 499,200 | $7,632,000 | 0.63% |