IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 142 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2015. The put-call ratio across all filers is 0.18 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $135,213,000 | -28.9% | 7,925,901 | -36.3% | 0.11% | -30.6% |
| Q4 2016 | $190,128,000 | -9.3% | 12,433,680 | -5.8% | 0.16% | -9.6% |
| Q3 2016 | $209,574,000 | +13.2% | 13,197,320 | -6.8% | 0.18% | +12.7% |
| Q2 2016 | $185,163,000 | +3.2% | 14,162,327 | -13.6% | 0.16% | +0.6% |
| Q1 2016 | $179,337,000 | -1.8% | 16,390,756 | +4.0% | 0.16% | 0.0% |
| Q4 2015 | $182,672,000 | -44.8% | 15,761,668 | -50.4% | 0.16% | +4.7% |
| Q3 2015 | $331,138,000 | +76.3% | 31,778,712 | +104.0% | 0.15% | -3.2% |
| Q2 2015 | $187,878,000 | -21.1% | 15,579,815 | +4.7% | 0.15% | -21.4% |
| Q1 2015 | $238,186,000 | +8.8% | 14,885,648 | +4.2% | 0.20% | +4.3% |
| Q4 2014 | $218,884,000 | +29.4% | 14,286,607 | +9.4% | 0.19% | +22.1% |
| Q3 2014 | $169,107,000 | +75.7% | 13,053,528 | +107.9% | 0.15% | +75.0% |
| Q2 2014 | $96,257,000 | +31.4% | 6,278,974 | +5.6% | 0.09% | +29.4% |
| Q1 2014 | $73,277,000 | +10.4% | 5,947,823 | +4.1% | 0.07% | +9.7% |
| Q4 2013 | $66,365,000 | +0.7% | 5,716,223 | +2.8% | 0.06% | -4.6% |
| Q3 2013 | $65,896,000 | +44.3% | 5,560,854 | +21.1% | 0.06% | +35.4% |
| Q2 2013 | $45,676,000 | – | 4,590,600 | – | 0.05% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 16,390,000 | $172,422,800 | 22.05% |
| 13D Management LLC | 533,562 | $5,613,073 | 2.85% |
| Quantedge Capital Pte Ltd | 541,200 | $5,693,424 | 2.22% |
| Price Jennifer C. | 520,000 | $5,470,400 | 1.74% |
| Tamarack Advisers, LP | 210,000 | $2,209,200 | 0.81% |
| Intrinsic Value Partners, LLC | 51,605 | $542,885 | 0.73% |
| Brown Capital Management | 3,933,933 | $41,384,975 | 0.62% |
| Old West Investment Management, LLC | 75,219 | $791,303 | 0.43% |
| EMC Capital Management | 43,315 | $456 | 0.38% |
| Hillsdale Investment Management Inc. | 420,617 | $4,424,891 | 0.38% |