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Wednesday, January 6, 2010, 10:02PM ET - U.S. Markets Closed. Dow  0.02% Nasdaq  0.33%

Westport Innovations Inc. (WPRT)

At 4:00PM ET: 13.74   0.75 (5.77%)

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Major Holders Get Major Holders for:
BREAKDOWN % of Shares Held by All Insider and 5% Owners: 9% % of Shares Held by Institutional & Mutual Fund Owners: 56% % of Float Held by Institutional & Mutual Fund Owners: 62% Number of Institutions Holding Shares: 66 MAJOR DIRECT HOLDERS (FORMS 3 & 4) Holder Shares Reported No Major Direct Holder info Available for WPRT
TOP INSTITUTIONAL HOLDERS Holder Shares % Out Value* Reported WALL STREET ASSOCIATES 1,180,318 3.14 $14,990,038 30-Sep-09 LORD ABBETT & CO 1,078,721 2.87 $13,699,756 30-Sep-09 ESSEX INVESTMENT MANAGEMENT CO INC 911,876 2.43 $11,580,825 30-Sep-09 DRIEHAUS CAPITAL MANAGEMENT, INC. 888,925 2.37 $11,289,347 30-Sep-09 ARBOR CAPITAL MANAGEMENT, LLC 843,100 2.24 $10,707,370 30-Sep-09 HIGHFIELDS CAPITAL MANAGEMENT L.P. 635,000 1.69 $8,064,500 30-Sep-09 Cortina Asset Management, LLC 603,880 1.61 $7,669,276 30-Sep-09 Perella Weinberg Partners Capital Management LP 540,565 1.44 $6,865,175 30-Sep-09 COLUMBUS CIRCLE INVESTORS 491,300 1.31 $6,239,510 30-Sep-09 BLACKROCK INC. 417,983 1.11 $5,308,384 30-Sep-09 TOP MUTUAL FUND HOLDERS Holder Shares % Out Value* Reported OPPENHEIMER INTERNATIONAL SMALL COMPANY FUND 664,286 1.77 $6,689,360 31-Aug-09 Professionally Managed Portf-Winslow Green Growth Fund 300,000 .80 $3,810,000 30-Sep-09 CONSULTING GROUP CAPITAL MARKETS-SMALL CAP GROWTH INV 278,800 .74 $2,807,516 31-Aug-09 Managers AMG Funds-Essex Small/Micro Cap Growth Fund 241,435 .64 $2,431,250 31-Aug-09 Blackrock Funds-Energy & Resources Portfolio 221,086 .59 $1,788,585 30-Jun-09 SEI INSTITUTIONAL INVESTMENT TR-SMALL/MID CAP EQUITY FUN 137,554 .37 $1,385,168 31-Aug-09 DFA Investment Dimensions-Canadian Small Company Series 133,401 .36 $1,196,606 31-Jul-09 Principal Small Cap Growth Fd II 118,919 .32 $1,510,271 30-Sep-09 ADVISORS INNER CIRCLE FUND-RICE,HALL&JAMES MICRO CAP POR 77,200 .21 $692,484 31-Jul-09 MANAGERS SPECIAL EQUITY FUND 74,560 .20 $668,803 31-Jul-09 * Value shown is computed using the security's price on the report date given.
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