IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 205 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2020. The put-call ratio across all filers is 0.02 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $383,351 | -7.5% | 39,808 | +2.2% | 0.00% | 0.0% |
| Q2 2023 | $414,641 | -1.5% | 38,970 | -2.6% | 0.00% | -25.0% |
| Q1 2023 | $420,821 | -12.7% | 40,002 | +2.8% | 0.00% | -20.0% |
| Q4 2022 | $482,144 | +23.6% | 38,914 | +3.4% | 0.01% | +25.0% |
| Q3 2022 | $390,000 | -12.9% | 37,625 | -3.1% | 0.00% | 0.0% |
| Q2 2022 | $448,000 | -15.3% | 38,834 | -7.6% | 0.00% | 0.0% |
| Q1 2022 | $529,000 | +8.8% | 42,025 | +0.9% | 0.00% | 0.0% |
| Q4 2021 | $486,000 | -11.2% | 41,651 | -0.6% | 0.00% | 0.0% |
| Q3 2021 | $547,000 | +2.2% | 41,913 | +0.8% | 0.00% | 0.0% |
| Q2 2021 | $535,000 | +8.1% | 41,566 | -6.1% | 0.00% | 0.0% |
| Q1 2021 | $495,000 | -1.4% | 44,274 | +0.5% | 0.00% | -20.0% |
| Q4 2020 | $502,000 | +22.1% | 44,074 | -3.5% | 0.01% | +25.0% |
| Q3 2020 | $411,000 | +17.4% | 45,685 | +34.7% | 0.00% | -20.0% |
| Q2 2020 | $350,000 | -5.7% | 33,923 | -7.9% | 0.01% | -16.7% |
| Q1 2020 | $371,000 | – | 36,815 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HealthInvest Partners AB | 1,520,000 | $19,562,000 | 18.54% |
| Sarissa Capital Management LP | 16,390,000 | $210,939,000 | 16.77% |
| Healthcare Value Capital, LLC | 200,000 | $2,574,000 | 5.13% |
| Camber Capital Management LP | 7,500,000 | $96,525,000 | 3.25% |
| 13D Management LLC | 650,455 | $8,371,000 | 2.88% |
| BRIDGER MANAGEMENT, LLC | 2,035,114 | $26,192,000 | 2.44% |
| Brown Capital Management | 18,484,759 | $237,899,000 | 1.80% |
| Healthcare Value Capital, LLC | 50,000 | $644,000 | 1.28% |
| Zebra Capital Management LLC | 53,359 | $687,000 | 0.80% |
| PRICE MICHAEL F | 520,000 | $6,692,000 | 0.74% |