IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 214 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2021. The put-call ratio across all filers is 0.89 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $11,919,754 | -1.0% | 1,237,773 | +9.4% | 0.04% | -2.8% |
| Q2 2023 | $12,043,190 | +11131.2% | 1,131,879 | +11004.5% | 0.04% | – |
| Q1 2023 | $107,230 | -98.5% | 10,193 | -98.4% | 0.00% | -100.0% |
| Q4 2020 | $7,063,000 | +563.8% | 620,139 | +676.0% | 0.03% | +466.7% |
| Q4 2019 | $1,064,000 | +50.9% | 79,913 | +109.2% | 0.01% | +100.0% |
| Q3 2018 | $705,000 | -96.6% | 38,200 | -96.5% | 0.00% | -96.4% |
| Q2 2018 | $20,747,000 | +1968.5% | 1,085,106 | +1569.4% | 0.08% | +1975.0% |
| Q1 2018 | $1,003,000 | -93.7% | 65,000 | -92.3% | 0.00% | -95.5% |
| Q2 2017 | $15,942,000 | -42.6% | 844,400 | -48.1% | 0.09% | -42.6% |
| Q1 2017 | $27,774,000 | +523.0% | 1,628,018 | +458.4% | 0.16% | +400.0% |
| Q4 2016 | $4,458,000 | -70.6% | 291,532 | -69.4% | 0.03% | -71.0% |
| Q3 2016 | $15,148,000 | -0.7% | 953,927 | -18.3% | 0.11% | +2.9% |
| Q2 2016 | $15,261,000 | +18.2% | 1,167,183 | -1.1% | 0.10% | +5.1% |
| Q1 2016 | $12,915,000 | -27.5% | 1,180,500 | -23.2% | 0.10% | -32.7% |
| Q4 2015 | $17,824,000 | +6.1% | 1,537,900 | -4.6% | 0.15% | +11.4% |
| Q3 2015 | $16,801,000 | +1.1% | 1,612,400 | +17.0% | 0.13% | +14.8% |
| Q2 2015 | $16,626,000 | +38.6% | 1,378,600 | +83.8% | 0.12% | +40.2% |
| Q1 2015 | $12,000,000 | -47.8% | 750,000 | -50.0% | 0.08% | -49.1% |
| Q4 2014 | $22,982,000 | +37.3% | 1,500,100 | +16.1% | 0.16% | +27.8% |
| Q3 2014 | $16,744,000 | – | 1,292,500 | – | 0.13% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 16,390,000 | $188,977,000 | 19.02% |
| 13D Management LLC | 600,431 | $6,923,000 | 3.06% |
| BRIDGER MANAGEMENT, LLC | 956,014 | $11,023,000 | 2.48% |
| Brown Capital Management | 11,641,935 | $134,232,000 | 1.80% |
| Price Jennifer C. | 520,000 | $5,996,000 | 1.02% |
| Monarch Partners Asset Management LLC | 272,425 | $3,141,000 | 0.88% |
| ALPHASIMPLEX GROUP, LLC | 10,510 | $121,000 | 0.86% |
| Intrinsic Value Partners, LLC | 54,105 | $624,000 | 0.80% |
| CLARK ESTATES INC/NY | 355,000 | $4,093,000 | 0.71% |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC | 692 | $60,000,000 | 0.63% |