IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 166 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2016. The put-call ratio across all filers is 0.80 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $54,264,000 | +2.4% | 3,548,966 | +6.4% | 0.01% | 0.0% |
| Q3 2016 | $52,970,000 | +23.0% | 3,335,616 | +1.3% | 0.01% | +14.3% |
| Q2 2016 | $43,062,000 | +21.9% | 3,293,499 | +2.0% | 0.01% | +16.7% |
| Q1 2016 | $35,325,000 | -5.3% | 3,229,012 | +0.3% | 0.01% | 0.0% |
| Q4 2015 | $37,319,000 | +17.6% | 3,219,962 | +5.7% | 0.01% | 0.0% |
| Q3 2015 | $31,746,000 | -14.7% | 3,046,674 | -1.3% | 0.01% | 0.0% |
| Q2 2015 | $37,238,000 | -27.8% | 3,087,689 | -4.2% | 0.01% | -25.0% |
| Q1 2015 | $51,563,000 | +4.5% | 3,222,678 | +0.1% | 0.01% | 0.0% |
| Q4 2014 | $49,338,000 | +19.2% | 3,220,479 | +0.8% | 0.01% | +14.3% |
| Q3 2014 | $41,390,000 | -17.4% | 3,194,932 | -2.3% | 0.01% | -12.5% |
| Q2 2014 | $50,128,000 | +28.3% | 3,269,932 | +3.1% | 0.01% | +14.3% |
| Q1 2014 | $39,059,000 | +19.6% | 3,170,349 | +12.7% | 0.01% | +16.7% |
| Q4 2013 | $32,647,000 | +2.3% | 2,812,007 | +4.3% | 0.01% | 0.0% |
| Q3 2013 | $31,916,000 | +28.0% | 2,695,588 | +7.3% | 0.01% | +20.0% |
| Q2 2013 | $24,944,000 | – | 2,511,943 | – | 0.01% | – |
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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% |