IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 138 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2015. The put-call ratio across all filers is 1.14 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $1,399,000 | -5.0% | 93,341 | 0.0% | 0.60% | -8.1% |
| Q3 2017 | $1,472,000 | +42.4% | 93,341 | +70.4% | 0.66% | +39.5% |
| Q2 2017 | $1,034,000 | -20.0% | 54,768 | -27.7% | 0.47% | -8.5% |
| Q1 2017 | $1,292,000 | +308.9% | 75,749 | +266.9% | 0.52% | +293.1% |
| Q4 2016 | $316,000 | -3.7% | 20,646 | 0.0% | 0.13% | -7.7% |
| Q3 2016 | $328,000 | +21.5% | 20,646 | 0.0% | 0.14% | +12.7% |
| Q2 2016 | $270,000 | +19.5% | 20,646 | 0.0% | 0.13% | +16.7% |
| Q1 2016 | $226,000 | -5.4% | 20,646 | 0.0% | 0.11% | -5.3% |
| Q4 2015 | $239,000 | +11.2% | 20,646 | 0.0% | 0.11% | +4.6% |
| Q3 2015 | $215,000 | -13.7% | 20,646 | 0.0% | 0.11% | -3.5% |
| Q2 2015 | $249,000 | -24.5% | 20,646 | 0.0% | 0.11% | -25.2% |
| Q1 2015 | $330,000 | – | 20,646 | – | 0.15% | – |
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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% |