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 1,590
New Positions 116
Increased Positions 766
Decreased Positions 695
Positions with Activity 1,461
Sold Out Positions 119
Total Mkt Value (in $ millions) 35,771

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 3.94%
Conglomerates 0.04%
Consumer Cyclical 5.1%
Consumer/Non-Cyclical 4.84%
Energy 4.89%
Financial 16.59%
Healthcare 13.56%
Services 22.5%
Technology 18.35%
Transportation 2.29%
Utilities 1.14%

766 INCREASED Positions as of 12/31/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
STERICYCLE INC COM 595,760 21,600 3.76 4,487,499
AFFILIATED MANAGERS GROUP COM 533,835 62,327 13.22 2,386,281
APPLE INC COM 418,241 2,085 .50 3,324,652
AKAMAI TECHNOLOGIES INC COM 394,673 43,261 12.31 5,237,169
WILLIAMS SONOMA INC COM 369,707 3,769 1.03 4,903,925
MASTERCARD INC CL A 367,947 40,403 12.34 4,053,170
IDEXX LABS INC COM 355,720 1,116 .32 2,801,826
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADR 343,487 70,785 25.96 14,141,101
VANTIV INC CL A 340,745 56,143 19.73 8,476,250
BIOMARIN PHARMACEUTICAL INC COM 307,879 69,791 29.31 2,702,589
TEVA PHARMACEUTICAL INDS LTD ADR 302,137 1,129 .38 4,915,999
MEAD JOHNSON NUTRITION CO COM 295,392 3,087 1.06 3,043,708
COSTAR GROUP INC COM 290,599 37,472 14.80 1,458,316
CHECK POINT SOFTWARE TECH LTD ORD 289,223 109,072 60.55 3,438,837
PRA GROUP INC COM 282,683 13,797 5.13 5,312,587
SBA COMMUNICATIONS CORP COM 266,508 22,443 9.20 2,332,882
GUIDEWIRE SOFTWARE INC COM 265,594 27,846 11.71 5,169,204
NASPERS LTD SPON ADR N SHS 258,503 39,388 17.98 1,683,950
AMAZON COM INC COM 248,411 2,405 .98 589,783
SIRONA DENTAL SYSTEMS INC COM 243,130 8,977 3.83 2,570,358


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