BLAIR WILLIAM & CO/IL Information

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

Report Date: 03/31/2015

Position Statistics

Total Positions 1,599
New Positions 130
Increased Positions 716
Decreased Positions 736
Positions with Activity 1,452
Sold Out Positions 135
Total Mkt Value (in $ millions) 36,354

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

Sector Weighting

Basic Materials 2.45%
Capital Goods 4.35%
Conglomerates 0.04%
Consumer Cyclical 5.23%
Consumer/Non-Cyclical 4.39%
Energy 4.61%
Financial 16.8%
Healthcare 13.16%
Services 22.3%
Technology 18.87%
Transportation 2.3%
Utilities 1.46%

1,599 Positions as of 03/31/2015

Company ▲ Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
2U INC COM 52,597 1,642 3.22 1,928,759
3-D SYS CORP DEL COM NEW -191 Sold Out 0
3M CO COM 24,445 -1,275 (4.96) 150,841
AAC HLDGS INC COM 3,195 2,852 830.39 84,200
ABB LTD SPONSORED ADR 2,748 -13 (0.49) 125,298
ABBOTT LABS COM 60,154 179 .30 1,219,180
ABBVIE INC COM 49,845 -2,052 (3.95) 759,249
ABIOMED INC COM 90,627 -31,482 (25.78) 1,392,765
ABM INDS INC COM 64,832 2,408 3.86 1,986,285
ABSTAINERS INS CO COM (5.94) 6,423,616
ACACIA RESH CORP ACACIA TCH COM 9,152 2,609 39.88 866,676
ACADIA RLTY TR COM SH BEN INT 20,048 282 1.43 640,091
ACCELERATE DIAGNOSTICS INC COM 269 -174 (39.27) 11,600
ACCENTURE PLC IRELAND SHS CLASS A 33,601 -862 (2.5) 347,010
ACE LIMITED SHS 542 -41 (6.99) 4,980
ACETO CORP COM 823 New 34,800
ACHILLION PHARMACEUTICALS INC COM 405 269 196.67 44,500
ACTAVIS PLC SHS 21,908 -508 (2.27) 72,730
ACTIVISION BLIZZARD INC COM 541 -437 (44.72) 21,103
ACTUANT CORP CL A NEW 257 New 10,160


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