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 1,604
New Positions 130
Increased Positions 718
Decreased Positions 739
Positions with Activity 1,457
Sold Out Positions 136
Total Mkt Value (in $ millions) 35,934

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

Sector Weighting

Basic Materials 2.33%
Capital Goods 4.26%
Conglomerates 0.03%
Consumer Cyclical 5.17%
Consumer/Non-Cyclical 4.3%
Energy 3.92%
Financial 16.84%
Healthcare 13.88%
Services 22.58%
Technology 18.94%
Transportation 2.29%
Utilities 1.35%

1,457 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 626,260 -6,343 (1) 4,442,506
AFFILIATED MANAGERS GROUP COM 527,399 31,291 6.31 2,536,790
GILEAD SCIENCES INC COM 502,465 -52,531 (9.47) 4,263,237
WILLIAMS SONOMA INC COM 413,479 -1,688 (0.41) 4,883,989
APPLE INC COM 398,705 -4,575 (1.13) 3,286,936
AKAMAI TECHNOLOGIES INC COM 392,953 -8,790 (2.19) 5,122,579
MASTERCARD INC CL A 391,481 -3,297 (0.84) 4,019,316
TEVA PHARMACEUTICAL INDS LTD ADR 381,349 42,047 12.39 5,525,193
VANTIV INC CL A 380,950 7,995 2.14 8,657,949
IDEXX LABS INC COM 367,966 -39,588 (9.71) 5,059,340
DOLLAR GEN CORP NEW COM 353,366 158,983 81.79 4,396,737
RED HAT INC COM 346,767 -2,529 (0.72) 4,385,014
O REILLY AUTOMOTIVE INC NEW COM 339,515 -32,759 (8.8) 1,412,822
SUNCOR ENERGY INC NEW COM 322,895 18,599 6.11 11,466,429
CHECK POINT SOFTWARE TECH LTD ORD 312,706 34,951 12.58 3,871,557
GUIDEWIRE SOFTWARE INC COM 311,552 6,311 2.07 5,276,078
SIRONA DENTAL SYSTEMS INC COM 303,586 36,834 13.81 2,925,285
AMAZON COM INC COM 298,451 -17,761 (5.62) 556,656
PRA GROUP INC COM 296,873 -40,742 (12.07) 4,671,485
SBA COMMUNICATIONS CORP COM 288,876 7,250 2.57 2,392,940