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 1,605
New Positions 130
Increased Positions 717
Decreased Positions 740
Positions with Activity 1,457
Sold Out Positions 137
Total Mkt Value (in $ millions) 35,689

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

Sector Weighting

Basic Materials 2.42%
Capital Goods 4.34%
Conglomerates 0.04%
Consumer Cyclical 5.27%
Consumer/Non-Cyclical 4.28%
Energy 4.2%
Financial 17%
Healthcare 13.49%
Services 22.59%
Technology 18.63%
Transportation 2.24%
Utilities 1.38%

740 DECREASED Positions as of 03/31/2015

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
STERICYCLE INC COM 599,094 -6,068 (1) 4,442,506
GILEAD SCIENCES INC COM 494,578 -51,707 (9.47) 4,263,237
APPLE INC COM 416,126 -4,775 (1.13) 3,286,936
WILLIAMS SONOMA INC COM 406,641 -1,660 (0.41) 4,883,989
MASTERCARD INC CL A 379,825 -3,199 (0.84) 4,019,316
AKAMAI TECHNOLOGIES INC COM 360,476 -8,064 (2.19) 5,122,579
RED HAT INC COM 339,926 -2,479 (0.72) 4,385,014
O REILLY AUTOMOTIVE INC NEW COM 326,334 -31,487 (8.8) 1,412,822
IDEXX LABS INC COM 319,396 -34,362 (9.71) 5,059,340
PRA GROUP INC COM 296,032 -40,627 (12.07) 4,671,485
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADR 294,916 -29,340 (9.05) 12,861,575
COSTAR GROUP INC COM 282,369 -11,205 (3.82) 1,402,658
EQUIFAX INC COM 277,086 -40,704 (12.81) 2,815,916
AMAZON COM INC COM 243,476 -14,489 (5.62) 556,656
MEAD JOHNSON NUTRITION CO COM 235,078 -41,778 (15.09) 2,584,412
BIOMARIN PHARMACEUTICAL INC COM 232,832 -136,693 (36.99) 1,702,857
SCHLUMBERGER LTD COM 206,080 -17,322 (7.75) 2,444,602
TOWERS WATSON & CO CL A 196,145 -11,901 (5.72) 1,544,572
NXP SEMICONDUCTORS N V COM 190,233 -5,086 (2.6) 1,948,507
MEDIVATION INC COM 189,749 -2,520 (1.31) 1,686,657