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Sunday, November 29, 2009, 5:24AM ET - U.S. Markets Closed. Dow Down 1.48% Nasdaq Down 1.73%
Onyx Pharmaceuticals Inc. (ONXX)On Nov 27: 28.19  Down 0.44 (1.54%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 0%
% of Shares Held by Institutional & Mutual Fund Owners: 106%
% of Float Held by Institutional & Mutual Fund Owners: 107%
Number of Institutions Holding Shares: 221

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
RENTON HOLLINGSN/A19-Feb-08
COLES N ANTHONY81,3916-Apr-09
KENNEY EDWARD F28,15819-Feb-08
BREGE LAURA17,51622-Jul-09
FUCHS HENRY J14,89118-Nov-08


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
WELLINGTON MANAGEMENT COMPANY, LLP4,611,0297.42$138,192,53930-Sep-09
SHAW D.E. & CO., INC.4,388,4727.06$131,522,50530-Sep-09
Barclays Global Investors UK Holdings Ltd3,849,7236.20$115,376,19830-Sep-09
PRICE (T.ROWE) ASSOCIATES INC3,356,5885.40$100,596,94230-Sep-09
LORD ABBETT & CO3,332,4135.36$99,872,41730-Sep-09
SECTORAL ASSET MANAGEMENT, INC.3,040,4324.89$91,121,74730-Sep-09
PALO ALTO INVESTORS, LLC2,600,2204.18$77,928,59330-Sep-09
VANGUARD GROUP, INC. (THE)2,419,9223.89$72,525,06230-Sep-09
JANUS CAPITAL MANAGEMENT, LLC1,788,0632.88$53,588,24830-Sep-09
STATE STREET CORPORATION1,754,4332.82$52,580,35730-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
PRICE (T.ROWE) MID CAP GROWTH FUND1,398,0002.25$41,898,06030-Sep-09
AMERICAN FDS INSURANCE SER-GROWTH FD1,000,0001.61$29,970,00030-Sep-09
LORD ABBETT RESEARCH FUND, SMALL-CAP VALUE SERIES949,1181.53$30,438,21431-Aug-09
ISHARES RUSSELL 2000 INDEX FD907,1491.46$27,187,25530-Sep-09
VANGUARD SPECIALIZED-HEALTH CARE FUND807,2001.30$28,994,62431-Jul-09
ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND734,5761.18$19,539,72131-Oct-09
VANGUARD SMALL-CAP INDEX FUND692,0181.11$19,556,42830-Jun-09
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF631,1401.02$17,836,01630-Jun-09
LORD ABBETT FUNDAMENTAL EQUITY FUND605,200.97$21,738,78431-Jul-09
VANGUARD TOTAL STOCK MARKET INDEX FUND527,061.85$14,894,74330-Jun-09

View Transactions for Insiders & Institutional Holders
* Value shown is computed using the security's price on the report date given.


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