Notable Holders of Onyx Pharmaceuticals, Inc. (ONXX)
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* Does Not Fully Represent All Holders
| Fund | Title | Shares | % Owned | Source |
|---|---|---|---|---|
| Citadel | BOND | 54,900,000 | 86.29% | 13F |
| CAMDEN ASSET MANAGEMENT L P /CA | CNV | 21,795,000 | 34.25% | 13F |
| FRANKLIN RESOURCES INC | 15,418,813 | 24.23% | 13F | |
| UBS GLOBAL ASSET MANAGEMENT AMERICAS INC | CONV BD US | 12,300,000 | 19.33% | 13F |
| MORGAN STANLEY | CORP CV | 6,542,000 | 10.28% | 13F |
| Wellington | COM | 5,429,050 | 8.53% | 13F |
| Fidelity Investments | COM | 4,231,176 | 6.65% | 13F |
| SECTORAL ASSET MANAGEMENT INC | COMMON | 3,464,410 | 5.44% | 13F |
| VANGUARD GROUP INC | COM | 3,077,274 | 4.84% | 13F |
| BlackRock Fund Advisors | COM | 1,833,229 | 2.88% | 13F |
| BlackRock Institutional Trust Company, N.A. | COM | 1,661,481 | 2.61% | 13F |
| COLUMBIA WANGER ASSET MANAGEMENT LLC | COM | 1,643,800 | 2.58% | 13F |
| TURNER INVESTMENT PARTNERS INC | COM | 1,576,904 | 2.48% | 13F |
| TimesSquare Capital Management, LLC | COM | 1,469,861 | 2.31% | 13F |
| Palo Alto Investors, LLC | COM | 1,383,045 | 2.17% | 13F |
| CITIGROUP INC | NOTE 4.00 | 1,280,000 | 2.01% | 13F |
| BRIDGER MANAGEMENT LLC | COMMON STOCK | 1,075,000 | 1.69% | 13F |
| NORTHERN TRUST CORP | COM | 850,467 | 1.34% | 13F |
| ORACLE INVESTMENT MANAGEMENT INC | COM | 827,484 | 1.30% | 13F |
| PRICE T ROWE ASSOCIATES INC /MD/ | COMM STK | 806,688 | 1.27% | 13F |
| EXPO CAPITAL MANAGEMENT LLC | COM | 800,000 | 1.26% | 13F |
| PINNACLE ASSOCIATES LTD | COM | 795,340 | 1.25% | 13F |
| GRANAHAN INVESTMENT MANAGEMENT INC/MA | COM | 747,150 | 1.17% | 13F |
| Sparta Asset Management, LLC | COM | 739,148 | 1.16% | 13F |
| DEUTSCHE BANK AG\ | COM | 695,326 | 1.09% | 13F |
| SECTOR GAMMA ASA | COM | 639,100 | 1.00% | 13F |
| JPMORGAN CHASE & CO | COMMON | 631,379 | 0.99% | 13F |
| RAINIER INVESTMENT MANAGEMENT INC/ | COM | 626,400 | 0.98% | 13F |
| Redmile Group, LLC | COM | 619,641 | 0.97% | 13F |
| SCHRODER INVESTMENT MANAGEMENT GROUP | COM | 594,400 | 0.93% | 13F |
| Clearbridge Advisors, LLC | COM | 562,884 | 0.88% | 13F |
| Adage Capital | COM | 550,000 | 0.86% | 13F |
| Invesco Ltd. | COMMON | 503,438 | 0.79% | 13F |
| ING INVESTMENT MANAGEMENT CO | COM | 493,073 | 0.77% | 13F |
| CASTLEROCK ASSET MANAGEMENT INC | COM | 458,908 | 0.72% | 13F |
| AMERIPRISE FINANCIAL INC | COM | 455,895 | 0.72% | 13F |
| MILLENNIUM MANAGEMENT LLC | COM | 441,311 | 0.69% | 13F |
| FIL Ltd | COM | 427,510 | 0.67% | 13F |
| Ulys, LLC (CALL) | COM | 400,000 | 0.63% | 13F |
| TIAA CREF INVESTMENT MANAGEMENT LLC | COM | 390,735 | 0.61% | 13F |
| Perimeter Capital Partners, LLC | COM | 355,494 | 0.56% | 13F |
| ALGER FRED MANAGEMENT INC | COMMON | 332,251 | 0.52% | 13F |
| Goldman Sachs Asset Management, L.P. | CMN | 277,834 | 0.44% | 13F |
| S Squared Technology, LLC | COM | 275,300 | 0.43% | 13F |
| Timber Hill LLC (PUT) | PUT | 272,200 | 0.43% | 13F |
| DIMENSIONAL FUND ADVISORS LP | COM | 267,533 | 0.42% | 13F |
| OrbiMed Advisors (CALL) | COM | 250,000 | 0.39% | 13F |
| Taconic Capital Advisors LP | COM | 250,000 | 0.39% | 13F |
| BARCLAYS PLC (PUT) | OPT | 238,400 | 0.37% | 13F |
| J. Goldman & Co LP | COM | 202,000 | 0.32% | 13F |
| GEODE CAPITAL MANAGEMENT LLC | COM | 191,253 | 0.30% | 13F |
| BANK OF AMERICA CORP /DE/ (PUT) | 188,300 | 0.30% | 13F | |
| BlackRock Investment Management, LLC | COM | 184,602 | 0.29% | 13F |
| CADENCE CAPITAL MANAGEMENT LLC | COM | 175,893 | 0.28% | 13F |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | COM | 174,777 | 0.27% | 13F |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | * ONYX PHARMACEUTICALS | 171,448 | 0.27% | 13F |
| PALISADE CAPITAL MANAGEMENT LLC/NJ | COM | 166,853 | 0.26% | 13F |
| Spot Trading L.L.C (PUT) | COM | 164,900 | 0.26% | 13F |
| ALTRINSIC GLOBAL ADVISORS LLC | COM | 148,700 | 0.23% | 13F |
| DENVER INVESTMENT ADVISORS LLC | COMMON | 141,943 | 0.22% | 13F |
| MACQUARIE GROUP LTD | COMMON STOCK | 139,269 | 0.22% | 13F |
| Perella Weinberg Partners Capital Management LP (PUT) | COM | 135,000 | 0.21% | 13F |
| WELLS FARGO & CO/MN | CMNSTOCK | 132,364 | 0.21% | 13F |
| MAZAMA CAPITAL MANAGEMENT INC | COM | 116,985 | 0.18% | 13F |
| SUNTRUST BANKS INC | 111,186 | 0.17% | 13F | |
| S.A.C. GLOBAL INVESTORS, LLP (CALL) | OPTION | 100,000 | 0.16% | 13F |
| TEACHERS ADVISORS INC | COM | 95,159 | 0.15% | 13F |
| AQR CAPITAL MANAGEMENT LLC | COM | 91,287 | 0.14% | 13F |
| D. E. Shaw & Co., INC. | COM | 90,704 | 0.14% | 13F |
| KNOTT DAVID M | COMMON | 85,768 | 0.13% | 13F |
| ALLIANZ GLOBAL INVESTORS OF AMERICA L P | COM | 81,700 | 0.13% | 13F |
| Platte River Capital LLC | COM | 77,360 | 0.12% | 13F |
| JEFFERIES GROUP INC /DE/ (PUT) | COM | 75,000 | 0.12% | 13F |
| 1798 Global Partners (Cayman Islands) Ltd. | COM | 73,100 | 0.11% | 13F |
| SAC Capital | COMMON | 70,923 | 0.11% | 13F |
| Visium Asset Management, LP | COMMON STOCK | 67,500 | 0.11% | 13F |
| SCHWAB CHARLES INVESTMENT MANAGEMENT INC | COM | 67,219 | 0.11% | 13F |
| CREDIT SUISSE AG/ | COM | 63,633 | 0.10% | 13F |
| BNP Paribas Investment Partners S.A. | COM | 60,970 | 0.10% | 13F |
| GUGGENHEIM CAPITAL LLC | COM | 53,625 | 0.08% | 13F |
| DIAMONDBACK CAPITAL MANAGEMENT, LLC | COM | 50,987 | 0.08% | 13F |
| Manulife Asset Management (North America) Ltd | COM | 50,751 | 0.08% | 13F |
| PERCEPTIVE ADVISORS LLC | COM | 50,000 | 0.08% | 13F |
| BATTERYMARCH FINANCIAL MANAGEMENT INC | COM | 48,940 | 0.08% | 13F |
| PARAMETRIC PORTFOLIO ASSOCIATES | Common Stock | 47,930 | 0.08% | 13F |
| AMERICAN INTERNATIONAL GROUP INC | COM | 47,274 | 0.07% | 13F |
| BLACKROCK ADVISORS LLC | COM | 42,939 | 0.07% | 13F |
| BMO FINANCIAL CORP | COM | 40,540 | 0.06% | 13F |
| UNITED SERVICES AUTOMOBILE ASSOCIATION | COMMON | 36,295 | 0.06% | 13F |
| BALYASNY ASSET MANAGEMENT LLC | COMMON STOCK | 27,931 | 0.04% | 13F |
| Numeric Investors LLC | COMM | 27,000 | 0.04% | 13F |
| Lee Munder Capital Group, LLC | COM | 25,957 | 0.04% | 13F |
| HBK INVESTMENTS L P | COM | 23,300 | 0.04% | 13F |
| MANAGED ACCOUNT ADVISORS LLC | 18,894 | 0.03% | 13F | |
| TD ASSET MANAGEMENT INC | COM | 18,500 | 0.03% | 13F |
| BlackRock Group LTD | COM | 18,017 | 0.03% | 13F |
| RENAISSANCE TECHNOLOGIES LLC | COM | 17,933 | 0.03% | 13F |
| PRINCIPAL FINANCIAL GROUP INC | COM | 17,926 | 0.03% | 13F |
| IG INVESTMENT MANAGEMENT LTD | COM | 16,000 | 0.03% | 13F |
| RUSSELL FRANK CO/ | COMMON STOCKS | 15,717 | 0.02% | 13F |
| SPRINGBOK CAPITAL MANAGEMENT, LLC | COM | 14,627 | 0.02% | 13F |
| ARONSON & JOHNSON & ORTIZ, LP | COM | 12,300 | 0.02% | 13F |
| RAYMOND JAMES & ASSOCIATES | COM | 12,152 | 0.02% | 13F |
| KNIGHT CAPITAL GROUP, INC. | COM | 12,138 | 0.02% | 13F |
| Roc Capital Management, L.P. | COM | 12,022 | 0.02% | 13F |
| SHELL ASSET MANAGEMENT CO | COM | 11,700 | 0.02% | 13F |
| NOMURA HOLDINGS INC | CMN | 11,098 | 0.02% | 13F |
| Arrowpoint Asset Management, LLC | COM | 10,700 | 0.02% | 13F |
| FIRST MERCANTILE TRUST CO | COMMON STOCK USD.001 | 8,915 | 0.01% | 13F |
| SG Americas Securities, LLC | 8,760 | 0.01% | 13F | |
| World Asset Management Inc | COM | 8,417 | 0.01% | 13F |
| GAM Holding Ltd. | 8,000 | 0.01% | 13F | |
| COMERICA BANK | COM | 7,999 | 0.01% | 13F |
| ALLSTATE CORP | COMMON | 7,920 | 0.01% | 13F |
| WEXFORD CAPITAL LP | COM | 7,185 | 0.01% | 13F |
| JENNISON ASSOCIATES LLC | COM | 6,931 | 0.01% | 13F |
