BLAIR WILLIAM & CO/IL Information

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

Report Date: 12/31/2014

Position Statistics

Total Positions 1,592
New Positions 116
Increased Positions 766
Decreased Positions 696
Positions with Activity 1,462
Sold Out Positions 119
Total Mkt Value (in $ millions) 35,981

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

Sector Weighting

Basic Materials 3.26%
Capital Goods 3.97%
Conglomerates 0.04%
Consumer Cyclical 5.1%
Consumer/Non-Cyclical 4.87%
Energy 4.96%
Financial 16.38%
Healthcare 13.88%
Services 22.46%
Technology 18.11%
Transportation 2.29%
Utilities 1.14%

1,592 Positions as of 12/31/2014

Company ▲ Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
21VIANET GROUP INC SPONSORED ADR -5,188 Sold Out 0
2U INC COM 47,648 47,201 10,551.85 1,868,547
3-D SYS CORP DEL COM NEW 271 271 New 8,600
3M CO COM 25,665 -818 (3.09) 158,709
AAC HLDGS INC COM 286 286 New 9,050
ABB LTD SPONSORED ADR 2,742 -256 (8.55) 125,913
ABBOTT LABS COM 56,220 -1,207 (2.1) 1,215,557
ABBVIE INC COM 49,241 726 1.50 790,506
ABIOMED INC COM 126,275 -36,518 (22.43) 1,876,583
ABM INDS INC COM 59,766 3,517 6.25 1,912,498
ABSTAINERS INS CO COM (5.98) 6,829,070
ACACIA RESH CORP ACACIA TCH COM 6,270 -337 (5.1) 619,602
ACADIA RLTY TR COM SH BEN INT 20,491 1,015 5.21 631,083
ACCELERATE DIAGNOSTICS INC COM 421 New 19,100
ACCENTURE PLC IRELAND SHS CLASS A 32,883 -8,305 (20.16) 355,912
ACE LIMITED SHS 590 10 1.65 5,354
ACETO CORP COM 716 New 34,800
ACHILLION PHARMACEUTICALS INC COM 154 31 25 15,000
ACTAVIS PLC SHS 22,105 -2,852 (11.43) 74,416
ACTIVISION BLIZZARD INC COM 870 -223 (20.41) 38,171