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) 36,298

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 4.34%
Conglomerates 0.04%
Consumer Cyclical 5.24%
Consumer/Non-Cyclical 4.39%
Energy 4.6%
Financial 16.81%
Healthcare 13.17%
Services 22.28%
Technology 18.91%
Transportation 2.29%
Utilities 1.45%

1,599 Positions as of 03/31/2015

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
STERICYCLE INC COM 614,132 -6,220 (1) 4,442,506
AFFILIATED MANAGERS GROUP COM 570,473 33,846 6.31 2,536,790
GILEAD SCIENCES INC COM 476,246 -49,790 (9.47) 4,263,237
APPLE INC COM 435,650 -4,999 (1.13) 3,286,936
AKAMAI TECHNOLOGIES INC COM 397,819 -8,899 (2.19) 5,122,579
WILLIAMS SONOMA INC COM 385,640 -1,574 (0.41) 4,883,989
MASTERCARD INC CL A 372,550 -3,138 (0.84) 4,019,316
IDEXX LABS INC COM 350,916 -37,753 (9.71) 2,529,670
VANTIV INC CL A 350,301 7,352 2.14 8,657,949
SUNCOR ENERGY INC NEW COM 345,942 19,927 6.11 11,466,429
RED HAT INC COM 345,583 -2,520 (0.72) 4,385,014
CHECK POINT SOFTWARE TECH LTD ORD 337,677 37,742 12.58 3,871,557
TEVA PHARMACEUTICAL INDS LTD ADR 337,313 37,191 12.39 5,525,193
DOLLAR GEN CORP NEW COM 323,424 145,512 81.79 4,396,737
O REILLY AUTOMOTIVE INC NEW COM 317,037 -30,590 (8.8) 1,412,822
BAIDU INC SPON ADR REP A 315,482 20,440 6.93 1,547,996
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADR 311,250 -30,965 (9.05) 12,861,575
COSTAR GROUP INC COM 294,039 -11,668 (3.82) 1,402,658
SIRONA DENTAL SYSTEMS INC COM 288,111 34,957 13.81 2,925,285
NASPERS LTD SPON ADR N SHS 285,472 25,133 9.65 1,846,518