ONYX PHARMACEUTICALS INC's ticker is ONXX and the CUSIP is 683399109. A total of 21 filers reported holding ONYX PHARMACEUTICALS INC in Q1 2013. The put-call ratio across all filers is - and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2013 | $4,168,000 | +149.7% | 33,430 | +73.9% | 0.01% | +120.0% |
| Q2 2013 | $1,669,000 | +23.5% | 19,219 | +26.4% | 0.01% | 0.0% |
| Q1 2013 | $1,351,000 | +306.9% | 15,200 | +246.3% | 0.01% | +400.0% |
| Q4 2012 | $332,000 | -9.0% | 4,389 | +1.4% | 0.00% | 0.0% |
| Q3 2012 | $365,000 | +7.7% | 4,328 | -15.3% | 0.00% | -50.0% |
| Q2 2012 | $339,000 | -96.4% | 5,109 | -97.9% | 0.00% | -95.1% |
| Q1 2012 | $9,303,000 | – | 247,669 | – | 0.04% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Black River Asset Management LLC | 135,000 | $16,835,000 | 40.98% |
| Twin Securities, Inc. | 748,948 | $93,331,000 | 26.20% |
| FNY Managed Accounts LLC | 187,000 | $23,320,000 | 25.82% |
| Stark Offshore Management, LLC | 74,400 | $9,278,000 | 24.03% |
| Centaurus Capital LP | 6,400 | $798,000 | 17.08% |
| DAVIDSON KEMPNER CAPITAL MANAGEMENT LLC | 3,150,321 | $392,845,000 | 13.02% |
| HARVEST MANAGEMENT LLC | 86,600 | $10,799,000 | 11.56% |
| GREEN HOLDINGS LTD | 275,000 | $34,293,000 | 11.48% |
| Litespeed Management, L.L.C. | 523,368 | $65,264,000 | 11.14% |
| Allen Investment Management, LLC | 302,000 | $37,650,000 | 10.31% |