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 1,592
New Positions 116
Increased Positions 766
Decreased Positions 696
Positions with Activity 1,462
Sold Out Positions 119
Total Mkt Value (in $ millions) 35,360

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

Sector Weighting

Basic Materials 3.31%
Capital Goods 4.02%
Conglomerates 0.04%
Consumer Cyclical 5.14%
Consumer/Non-Cyclical 4.93%
Energy 4.61%
Financial 16.42%
Healthcare 13.82%
Services 22.56%
Technology 18.24%
Transportation 2.38%
Utilities 1.11%

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 620,554 22,499 3.76 4,487,499
AFFILIATED MANAGERS GROUP COM 513,384 59,940 13.22 2,386,281
IDEXX LABS INC COM 420,694 1,320 .32 2,801,826
APPLE INC COM 413,055 2,059 .50 3,324,652
WILLIAMS SONOMA INC COM 378,387 3,857 1.03 4,903,925
AKAMAI TECHNOLOGIES INC COM 372,022 40,779 12.31 5,237,169
MASTERCARD INC CL A 356,395 39,134 12.34 4,053,170
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADR 328,074 67,608 25.96 14,141,101
VANTIV INC CL A 317,436 52,303 19.73 8,476,250
BIOMARIN PHARMACEUTICAL INC COM 312,284 70,790 29.31 2,702,589
TEVA PHARMACEUTICAL INDS LTD ADR 306,857 1,146 .38 4,915,999
MEAD JOHNSON NUTRITION CO COM 302,271 3,159 1.06 3,043,708
PRA GROUP INC COM 289,377 14,124 5.13 5,312,587
CHECK POINT SOFTWARE TECH LTD ORD 282,638 106,588 60.55 3,438,837
SBA COMMUNICATIONS CORP COM 278,150 23,423 9.20 2,332,882
COSTAR GROUP INC COM 275,826 35,567 14.80 1,458,316
GUIDEWIRE SOFTWARE INC COM 264,663 27,748 11.71 5,169,204
NASPERS LTD SPON ADR N SHS 245,183 37,358 17.98 1,683,950
MEDNAX INC COM 233,772 58,653 33.49 3,247,735
BRISTOL MYERS SQUIBB CO COM 229,944 124,180 117.41 3,537,600