IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 148 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2018. The put-call ratio across all filers is 0.49 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $50,000 | -62.4% | 4,800 | -63.4% | 0.00% | -50.0% |
| Q1 2020 | $133,000 | +146.3% | 13,100 | +351.7% | 0.00% | +100.0% |
| Q3 2018 | $54,000 | -1.8% | 2,900 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $55,000 | +22.2% | 2,900 | 0.0% | 0.00% | – |
| Q1 2018 | $45,000 | +4.7% | 2,900 | 0.0% | 0.00% | – |
| Q4 2017 | $43,000 | -6.5% | 2,900 | 0.0% | 0.00% | – |
| Q3 2017 | $46,000 | -16.4% | 2,900 | 0.0% | 0.00% | – |
| Q2 2017 | $55,000 | +10.0% | 2,900 | -1.4% | 0.00% | – |
| Q1 2017 | $50,000 | +4900.0% | 2,941 | +7073.2% | 0.00% | – |
| Q4 2016 | $1,000 | 0.0% | 41 | +64.0% | 0.00% | – |
| Q4 2015 | $1,000 | – | 25 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 16,390,000 | $157,835,700 | 21.26% |
| AlphaCentric Advisors LLC | 292,500 | $2,816,775 | 1.60% |
| Quantedge Capital Pte Ltd | 179,900 | $1,732,437 | 0.94% |
| Intrinsic Value Partners, LLC | 50,355 | $484,919 | 0.62% |
| Brown Capital Management | 3,719,796 | $35,821,635 | 0.55% |
| ARMISTICE CAPITAL, LLC | 3,456,000 | $33,281,280 | 0.51% |
| SummerHaven Investment Management, LLC | 67,765 | $652,577 | 0.48% |
| BRAIDWELL LP | 1,348,099 | $12,982,193 | 0.41% |
| AFFINITY INVESTMENT ADVISORS, LLC | 50,733 | $488,559 | 0.32% |
| EMC Capital Management | 43,315 | $417 | 0.31% |