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Sunday, November 29, 2009, 10:39PM ET - U.S. Markets Closed. Dow Down 1.48% Nasdaq Down 1.73%
Dyax Corp. (DYAX)On Nov 27: 4.08  Up 0.05 (1.24%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 11%
% of Shares Held by Institutional & Mutual Fund Owners: 58%
% of Float Held by Institutional & Mutual Fund Owners: 65%
Number of Institutions Holding Shares: 83

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
KEMPNER THOMAS L27,31121-Nov-08
BLAIR HENRY E362,1101-Oct-09
LEWIS HENRY R56,50713-Nov-09
FORDYCE JAMES W34,34015-Sep-09
CHRISTENSEN GUSTAV30,0004-Jun-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
ROYCE & ASSOCIATES, LLC4,594,7545.89$16,495,16630-Sep-09
WELLINGTON MANAGEMENT COMPANY, LLP4,378,3655.61$15,718,33030-Sep-09
Barclays Global Investors UK Holdings Ltd4,028,5445.16$14,462,47230-Sep-09
PENNANT CAPITAL MANAGEMENT, LLC2,137,8632.74$7,674,92830-Sep-09
QVT Financial LP1,922,0602.46$6,900,19530-Sep-09
DIMENSIONAL FUND ADVISORS LP1,714,4832.20$6,154,99330-Sep-09
FEDERATED INVESTORS, INC.13,423,86517.20$48,191,67530-Sep-09
PRIMECAP MANAGEMENT COMPANY1,291,0001.65$4,634,69030-Sep-09
STATE STREET CORPORATION1,128,1161.45$4,049,93630-Sep-09
VANGUARD GROUP, INC. (THE)1,114,9281.43$4,002,59130-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
ROYCE VALUE PLUS FUND3,388,5544.34$7,251,50530-Jun-09
FEDERATED KAUFMANN FUND11,355,08814.55$43,035,78331-Jul-09
FEDERATED KAUFMANN SMALL CAP FUND1,407,3521.80$5,333,86431-Jul-09
Primecap Odyssey Aggressive Growth Fund1,150,0001.47$4,128,50030-Sep-09
ISHARES RUSSELL 2000 INDEX FD980,8341.26$3,521,19430-Sep-09
ROYCE MICRO-CAP FUND877,4841.12$1,877,81530-Jun-09
VANGUARD VARIABLE INSURANCE FUND-SMALL COMPANY GROWTH841,0001.08$1,799,74030-Jun-09
ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND671,447.86$2,108,34331-Oct-09
LEUTHOLD CORE INVESTMENT FUND652,792.84$2,343,52330-Sep-09
ISHARES RUSSELL 2000 GROWTH INDEX FD516,397.66$1,853,86530-Sep-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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