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 | $394,830 | -9.5% | 41,000 | 0.0% | 0.00% | 0.0% |
| Q2 2023 | $436,240 | +44.9% | 41,000 | +77.8% | 0.00% | – |
| Q3 2021 | $301,000 | -61.3% | 23,060 | -61.9% | 0.00% | -100.0% |
| Q2 2021 | $778,000 | -2.5% | 60,473 | -15.3% | 0.00% | 0.0% |
| Q1 2021 | $798,000 | +33.0% | 71,418 | +35.6% | 0.00% | 0.0% |
| Q4 2020 | $600,000 | +126.4% | 52,665 | +105.6% | 0.00% | – |
| Q2 2020 | $265,000 | -0.7% | 25,611 | -3.1% | 0.00% | – |
| Q1 2020 | $267,000 | -25.8% | 26,430 | -2.3% | 0.00% | – |
| Q4 2019 | $360,000 | +65.9% | 27,044 | +96.2% | 0.00% | – |
| Q3 2017 | $217,000 | -34.8% | 13,785 | -21.9% | 0.00% | – |
| Q2 2017 | $333,000 | -83.5% | 17,640 | -89.5% | 0.00% | -100.0% |
| Q2 2015 | $2,019,000 | -53.9% | 167,375 | -38.9% | 0.00% | -60.0% |
| Q1 2015 | $4,380,000 | +4.4% | 273,750 | 0.0% | 0.01% | 0.0% |
| Q4 2014 | $4,194,000 | +109.7% | 273,750 | +77.3% | 0.01% | +150.0% |
| Q3 2014 | $2,000,000 | -15.5% | 154,375 | 0.0% | 0.00% | -33.3% |
| Q2 2014 | $2,367,000 | +15.2% | 154,375 | -7.4% | 0.00% | +50.0% |
| Q1 2014 | $2,054,000 | +34.3% | 166,700 | +26.6% | 0.00% | 0.0% |
| Q4 2013 | $1,529,000 | -23.9% | 131,700 | -22.4% | 0.00% | -33.3% |
| Q3 2013 | $2,009,000 | +25.1% | 169,700 | +4.9% | 0.00% | +50.0% |
| Q2 2013 | $1,606,000 | – | 161,700 | – | 0.00% | – |
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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% |