BLAIR WILLIAM & CO/IL Information

222 WEST ADAMS ST, CHICAGO, Illinois, 60606-5312, (312) 236-1600

Report Date: 03/31/2013

Position Statistics:

Total Positions 1,502
New Positions 159
Increased Positions 724
Decreased Positions 650
Positions with Activity 1,374
Sold Out Positions 129
Total Mkt Value
(in $ millions)
25,228

Sector Weighting

Basic Materials 4.42%
Capital Goods 5.16%
Conglomerates 0.92%
Consumer Cyclical 5.54%
Consumer/Non-Cyclical 7%
Energy 6.32%
Financial 16.7%
Healthcare 9.57%
Services 21.77%
Technology 17.47%
Transportation 4.11%
Utilities 0.66%

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

1,502 Positions as of 03/31/2013

Company Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
KUMBA IRON ORE LTD SHS -199 Sold Out 0
L-3 COMMUNICATIONS HLDGS INC COM -253 Sold Out 0
LANTRONIX INC COM NEW -386 Sold Out 0
LASALLE HOTEL PPTYS COM SH BEN INT -6,314 Sold Out 0
LIFE HEALTHCARE GROUP HLDNG LD SHS -100,951 Sold Out 0
MAGNIT OJSC SPONS GDR 144A 4.90 926,427
MAGNUM HUNTER RES CORP DEL COM -3,480 Sold Out 0
MARKET VECTORS ETF TR INDIA SMALL CP -799 Sold Out 0
MD MED GROUP INVTS PLC SPONSORED GDR 18.76 73,054
MERU NETWORKS INC COM -107 Sold Out 0
MICROS SYS INC COM -261 Sold Out 0
MID-AMER APT CMNTYS INC COM -8,823 Sold Out 0
MOBILEPRO CORP COM NEW New 25,000
MRC GLOBAL INC COM -630 Sold Out 0
MULTIBAND CORP COM NEW -693 Sold Out 0
NABORS INDUSTRIES LTD SHS -224 Sold Out 0
NANOSPHERE INC COM -391 Sold Out 0
NASPERS LTD SPON ADR N SHS -179,134 Sold Out 0
NATIONAL BANK OF GREECE REG SHS -223 Sold Out 0
NEOGENOMICS INC COM NEW -75 Sold Out 0

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