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%

1,452 Activity Positions as of 03/31/2015

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
STERICYCLE INC COM 614,176 -6,220 (1) 4,442,506
AFFILIATED MANAGERS GROUP COM 571,945 33,934 6.31 2,536,790
GILEAD SCIENCES INC COM 474,157 -49,572 (9.47) 4,263,237
APPLE INC COM 431,871 -4,956 (1.13) 3,286,936
AKAMAI TECHNOLOGIES INC COM 397,717 -8,897 (2.19) 5,122,579
WILLIAMS SONOMA INC COM 383,735 -1,566 (0.41) 4,883,989
MASTERCARD INC CL A 373,394 -3,145 (0.84) 4,019,316
VANTIV INC CL A 351,946 7,386 2.14 8,657,949
IDEXX LABS INC COM 349,170 -37,566 (9.71) 2,529,670
SUNCOR ENERGY INC NEW COM 345,942 19,927 6.11 11,466,429
RED HAT INC COM 345,671 -2,521 (0.72) 4,385,014
TEVA PHARMACEUTICAL INDS LTD ADR 339,357 37,417 12.39 5,525,193
CHECK POINT SOFTWARE TECH LTD ORD 335,664 37,517 12.58 3,871,557
DOLLAR GEN CORP NEW COM 322,237 144,978 81.79 4,396,737
O REILLY AUTOMOTIVE INC NEW COM 317,800 -30,664 (8.8) 1,412,822
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADR 311,765 -31,016 (9.05) 12,861,575
BAIDU INC SPON ADR REP A 309,800 20,072 6.93 1,547,996
COSTAR GROUP INC COM 298,023 -11,826 (3.82) 1,402,658
SIRONA DENTAL SYSTEMS INC COM 287,526 34,886 13.81 2,925,285
NASPERS LTD SPON ADR N SHS 284,567 25,053 9.65 1,846,518