HoldingsChannel.com
William Blair Investment Management LLC Top Holdings
As of  06/30/2019

   EntityAmountChange
 03/31/2019 to 06/30/2019
Position Size
($ in 1000's)
ALIBABA GROUP HLDG LTD 5,866,396 -8,886 $993,904
     BABA5,866,396-8,886$993,904
TAIWAN SEMICONDUCTOR MFG LTD 16,194,089 -220,794 $634,199
     TSM16,194,089-220,794$634,199
SPDR S&P 500 ETF TR (SPY) 2,023,700 -46,900 $592,944
     SPY2,023,700-46,900$592,944
COPART INC 5,258,517 -1,404,162 $393,022
     CPRT5,258,517-1,404,162$393,022
BWX TECHNOLOGIES INC 7,012,266 +659,488 $365,339
     BWXT7,012,266+659,488$365,339
EURONET WORLDWIDE INC 2,163,193 -57,249 $363,936
     EEFT2,163,193-57,249$363,936
BROOKFIELD ASSET MGMT INC 7,356,280 +3,781 $351,483
     BAM7,356,280+3,781$351,483
CANADIAN NATL RY CO 3,523,264 +92,187 $325,777
     CNI3,523,264+92,187$325,777
BURLINGTON STORES INC 1,762,083 +63,257 $299,818
     BURL1,762,083+63,257$299,818
INSULET CORP 2,334,135 +189,147 $278,649
     PODD2,334,135+189,147$278,649
GRAND CANYON ED INC 2,338,224 +552,523 $273,619
     LOPE2,338,224+552,523$273,619
TREX CO INC 3,683,191 +818,735 $264,085
     TREX3,683,191+818,735$264,085
LIVE NATION ENTERTAINMENT IN 3,954,206 -132,114 $261,966
     LYV3,954,206-132,114$261,966
TORONTO DOMINION BK ONT 4,461,629 -345,225 $260,451
     TD4,461,629-345,225$260,451
CBOE GLOBAL MARKETS INC 2,397,226 -54,526 $248,425
     CBOE2,397,226-54,526$248,425
ENCOMPASS HEALTH CORP 3,904,667 +361,347 $247,400
     EHC3,904,667+361,347$247,400
COSTAR GROUP INC 426,793 -409,705 $236,469
     CSGP426,793-409,705$236,469
TRANSUNION 3,140,470 -27,336 $230,856
     TRU3,140,470-27,336$230,856
NETEASE INC 896,349 +204,989 $229,233
     NTES896,349+204,989$229,233
MARTIN MARIETTA MATLS INC 995,055 -10,003 $228,972
     MLM995,055-10,003$228,972
BOOZ ALLEN HAMILTON HLDG COR 3,420,493 -2,369,825 $226,471
     BAH3,420,493-2,369,825$226,471
AMAZON COM INC 117,805 +1,005 $223,079
     AMZN117,805+1,005$223,079
VAIL RESORTS INC 983,808 -6,512 $219,566
     MTN983,808-6,512$219,566
TELEFLEX INC 661,593 -111,132 $219,087
     TFX661,593-111,132$219,087
ABIOMED INC 815,524 +629,455 $212,436
     ABMD815,524+629,455$212,436
ADTALEM GLOBAL ED INC 4,697,318 -87,155 $211,614
     ATGE4,697,318-87,155$211,614
LAMB WESTON HLDGS INC 3,334,556 +1,468,016 $211,277
     LW3,334,556+1,468,016$211,277
TELEDYNE TECHNOLOGIES INC 771,400 -8,983 $211,263
     TDY771,400-8,983$211,263
ROGERS CORP 1,182,076 -331,968 $204,003
     ROG1,182,076-331,968$204,003
CREDICORP LTD 887,573 -126,936 $203,174
     BAP887,573-126,936$203,174
MIDDLEBY CORP 1,496,498 -10,832 $203,075
     MIDD1,496,498-10,832$203,075
ROGERS COMMUNICATIONS INC 3,760,186 -2,319,698 $201,092
     RCI3,760,186-2,319,698$201,092
HDFC BANK LTD 1,510,152 -89,526 $196,299
     HDB1,510,152-89,526$196,299
DOMINOS PIZZA INC 700,154 -211,448 $194,839
     DPZ700,154-211,448$194,839
ASPEN TECHNOLOGY INC 1,562,187 -20,493 $194,149
     AZPN1,562,187-20,493$194,149
PURE STORAGE INC 12,438,171 -212,714 $189,931
     PSTG12,438,171-212,714$189,931
FIRSTCASH INC 1,888,769 -18,144 $188,915
     FCFS1,888,769-18,144$188,915
CHECK POINT SOFTWARE TECH LT 1,615,693 -35,985 $186,790
     CHKP1,615,693-35,985$186,790
NICE LTD 1,351,820 +244,874 $185,185
     NICE1,351,820+244,874$185,185
GLAUKOS CORP 2,413,022 -52,410 $181,942
     GKOS2,413,022-52,410$181,942
WEX INC 855,214 -4,355 $177,970
     WEX855,214-4,355$177,970
EAST WEST BANCORP INC 3,735,441 -22,448 $174,707
     EWBC3,735,441-22,448$174,707
ALPHABET INC 157,659 +574 $170,713
     GOOGL157,659+574$170,713
HUAZHU GROUP LTD 4,695,277 -208,215 $170,165
     HTHT4,695,277-208,215$170,165
HORIZON THERAPEUTICS PUB LTD 6,958,303 +15,946 $167,417
     HZNP6,958,303+15,946$167,417
GUIDEWIRE SOFTWARE INC 1,649,144 +200,198 $167,190
     GWRE1,649,144+200,198$167,190
SABRE CORP 7,398,082 +1,290,708 $164,237
     SABR7,398,082+1,290,708$164,237
HEICO CORP NEW      $160,427
     HEI.A1,551,965-707,782$160,427
GODADDY INC 2,282,842 -28,990 $160,141
     GDDY2,282,842-28,990$160,141
J2 GLOBAL INC 1,783,531 -53,314 $158,538
     JCOM1,783,531-53,314$158,538

See Full List: All Stocks Held By William Blair Investment Management LLC
— Including:
     • Biggest new positions
     • Biggest exits
     • Biggest increased positions
     • Biggest decreased positions

See Details: Top 10 Stocks Held By William Blair Investment Management LLC

Size ($ in 1000's)
At 06/30/2019: $23,833,388
At 03/31/2019: $23,762,098

William Blair Investment Management LLC holdings changes, total fund size, and other information presented on HoldingsChannel.com was derived from William Blair Investment Management LLC 13F filings. Link to 13F filings: SEC filings

William Blair Investment Management LLC Top Holdings 13F Filings | www.HoldingsChannel.com

Copyright © 2013 - 2019, All Rights Reserved Nothing in Holdings Channel is intended to be investment advice, nor does it represent the opinion of, counsel from, or recommendations by BNK Invest Inc. or any of its affiliates, subsidiaries or partners. None of the information contained herein constitutes a recommendation that any particular security, portfolio, transaction, or investment strategy is suitable for any specific person. All viewers agree that under no circumstances will BNK Invest, Inc,. its subsidiaries, partners, officers, employees, affiliates, or agents be held liable for any loss or damage caused by your reliance on information obtained. By visiting, using or viewing this site, you agree to the following Full Disclaimer & Terms of Use and Privacy Policy. Video widget and videos powered by Market News Video. Quote data delayed at least 20 minutes; data powered by Ticker Technologies, and Mergent. Contact Holdings Channel; Meet Our Editorial Staff.