IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 156 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q2 2019. The put-call ratio across all filers is 0.04 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $1,352,000 | -16.7% | 123,571 | +3.0% | 0.08% | -20.6% |
| Q1 2019 | $1,623,000 | +84.6% | 119,971 | +41.4% | 0.10% | +70.2% |
| Q4 2018 | $879,000 | +15.1% | 84,869 | +112.2% | 0.06% | +83.9% |
| Q2 2018 | $764,000 | +267.3% | 39,993 | +196.4% | 0.03% | +287.5% |
| Q1 2018 | $208,000 | -84.3% | 13,493 | -84.5% | 0.01% | -89.9% |
| Q4 2016 | $1,328,000 | -66.6% | 86,900 | -71.4% | 0.08% | -60.1% |
| Q2 2016 | $3,977,000 | +83.1% | 304,215 | +53.2% | 0.20% | +104.1% |
| Q1 2016 | $2,172,000 | +126.5% | 198,615 | +139.8% | 0.10% | +115.6% |
| Q4 2015 | $959,000 | -36.0% | 82,815 | -42.5% | 0.04% | -19.6% |
| Q3 2015 | $1,499,000 | -9.2% | 143,915 | +5.1% | 0.06% | +1.8% |
| Q2 2015 | $1,651,000 | +98.0% | 136,921 | +162.5% | 0.06% | +89.7% |
| Q1 2015 | $834,000 | -63.9% | 52,151 | -77.6% | 0.03% | -61.8% |
| Q2 2013 | $2,312,000 | – | 232,876 | – | 0.08% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 2,855,515 | $43,661,000 | 13.90% |
| BLUE JAY CAPITAL MANAGEMENT, LLC | 772,369 | $11,810,000 | 7.13% |
| Rubric Capital Management LP | 1,275,000 | $19,495,000 | 6.70% |
| SECTOR GAMMA AS | 1,972,678 | $30,162,000 | 5.68% |
| BRIDGER MANAGEMENT, LLC | 1,879,313 | $28,735,000 | 2.00% |
| Asymmetry Capital Management, L.P. | 57,363 | $877,000 | 1.63% |
| Orbimed Advisors | 7,241,300 | $110,719,000 | 1.41% |
| Broderick Brian C | 144,476 | $2,209,000 | 0.96% |
| Granahan Investment Management | 1,408,000 | $21,528,000 | 0.74% |
| Spark Investment Management LLC | 499,200 | $7,632,000 | 0.63% |