IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 156 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q2 2019. The put-call ratio across all filers is 0.04 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $147 | +75.0% | 15,318 | +92.8% | 0.00% | – |
| Q2 2023 | $84 | -99.9% | 7,946 | +30.7% | 0.00% | – |
| Q2 2022 | $70,000 | +3400.0% | 6,079 | +2740.7% | 0.00% | – |
| Q1 2022 | $2,000 | -99.6% | 214 | -99.5% | 0.00% | -100.0% |
| Q3 2021 | $536,000 | -8.7% | 41,525 | -9.0% | 0.00% | 0.0% |
| Q2 2021 | $587,000 | -17.8% | 45,619 | -28.7% | 0.00% | 0.0% |
| Q1 2021 | $714,000 | +268.0% | 63,937 | +195.5% | 0.00% | – |
| Q3 2020 | $194,000 | -72.1% | 21,640 | -67.9% | 0.00% | -100.0% |
| Q2 2020 | $696,000 | +220.7% | 67,506 | +212.7% | 0.00% | – |
| Q1 2020 | $217,000 | +197.3% | 21,585 | +288.4% | 0.00% | – |
| Q4 2019 | $73,000 | +508.3% | 5,557 | +497.5% | 0.00% | – |
| Q1 2019 | $12,000 | -84.6% | 930 | -87.7% | 0.00% | – |
| Q4 2018 | $78,000 | -22.0% | 7,552 | +38.8% | 0.00% | – |
| Q3 2018 | $100,000 | -83.9% | 5,440 | -86.5% | 0.00% | -100.0% |
| Q1 2018 | $623,000 | +456.2% | 40,430 | +436.3% | 0.03% | +440.0% |
| Q4 2017 | $112,000 | +166.7% | 7,538 | +182.9% | 0.01% | +150.0% |
| Q3 2017 | $42,000 | -71.6% | 2,665 | -66.1% | 0.00% | -66.7% |
| Q2 2017 | $148,000 | +214.9% | 7,860 | +180.7% | 0.01% | +200.0% |
| Q1 2017 | $47,000 | -74.9% | 2,800 | -80.5% | 0.00% | -83.3% |
| Q2 2016 | $187,000 | +9250.0% | 14,324 | +5675.8% | 0.01% | – |
| Q4 2015 | $2,000 | -91.3% | 248 | -88.8% | 0.00% | -100.0% |
| Q3 2015 | $23,000 | +666.7% | 2,218 | +692.1% | 0.00% | – |
| Q2 2015 | $3,000 | -89.3% | 280 | -84.4% | 0.00% | -100.0% |
| Q1 2015 | $28,000 | – | 1,798 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 16,390,000 | $172,422,800 | 22.05% |
| 13D Management LLC | 533,562 | $5,613,073 | 2.85% |
| Quantedge Capital Pte Ltd | 541,200 | $5,693,424 | 2.22% |
| Price Jennifer C. | 520,000 | $5,470,400 | 1.74% |
| Tamarack Advisers, LP | 210,000 | $2,209,200 | 0.81% |
| Intrinsic Value Partners, LLC | 51,605 | $542,885 | 0.73% |
| Brown Capital Management | 3,933,933 | $41,384,975 | 0.62% |
| Old West Investment Management, LLC | 75,219 | $791,303 | 0.43% |
| EMC Capital Management | 43,315 | $456 | 0.38% |
| Hillsdale Investment Management Inc. | 420,617 | $4,424,891 | 0.38% |