IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 160 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2019. The put-call ratio across all filers is 0.13 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $352,000 | +517.5% | 33,987 | +648.6% | 0.01% | +500.0% |
| Q1 2022 | $57,000 | -76.7% | 4,540 | -78.4% | 0.00% | -75.0% |
| Q4 2021 | $245,000 | +469.8% | 21,029 | +533.2% | 0.01% | +700.0% |
| Q3 2021 | $43,000 | -23.2% | 3,321 | -40.2% | 0.00% | -96.0% |
| Q1 2020 | $56,000 | +1020.0% | 5,556 | +1543.8% | 0.02% | +1150.0% |
| Q1 2019 | $5,000 | +66.7% | 338 | +28.0% | 0.00% | +100.0% |
| Q4 2018 | $3,000 | -25.0% | 264 | +34.0% | 0.00% | 0.0% |
| Q3 2018 | $4,000 | -69.2% | 197 | -71.4% | 0.00% | -92.9% |
| Q2 2017 | $13,000 | – | 689 | – | 0.01% | – |
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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% |