IRONWOOD PHARMACEUTICALS INC's ticker is and the CUSIP is 46333XAD0. A total of 31 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2018. The put-call ratio across all filers is - and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $70,000 | -46.2% | 75,000 | -25.0% | 0.01% | -30.0% |
| Q3 2018 | $130,000 | -2.3% | 100,000 | 0.0% | 0.01% | 0.0% |
| Q2 2018 | $133,000 | -69.5% | 100,000 | -73.0% | 0.01% | -70.6% |
| Q1 2018 | $436,000 | +1.9% | 370,000 | 0.0% | 0.03% | +13.3% |
| Q4 2017 | $428,000 | -2.7% | 370,000 | 0.0% | 0.03% | -6.2% |
| Q3 2017 | $440,000 | – | 370,000 | – | 0.03% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| K2 PRINCIPAL FUND, L.P. | 9,000 | $9,953,000 | 0.83% |
| CSS LLC/IL | 10,119,000 | $11,031,000 | 0.46% |
| DeepCurrents Investment Group LLC | 13,556,000 | $14,917,000 | 0.45% |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 10,000,000 | $11,014,000 | 0.24% |
| WOLVERINE ASSET MANAGEMENT LLC | 28,592,000 | $31,218,000 | 0.24% |
| HBK INVESTMENTS L P | 14,616,000 | $15,971,000 | 0.06% |
| PALISADE CAPITAL MANAGEMENT, LP | 2,127,000 | $2,334,000 | 0.05% |
| Verition Fund Management LLC | 3,942,000 | $4,304,000 | 0.04% |
| LAZARD ASSET MANAGEMENT LLC | 10,037,000 | $10,959,000 | 0.01% |
| Calamos Advisors LLC | 2,423,000 | $2,648,000 | 0.01% |