HoldingsChannel.com
William Blair Investment Management LLC Top Holdings
As of  09/30/2019

   EntityAmountChange
 06/30/2019 to 09/30/2019
Position Size
($ in 1000's)
ALIBABA GROUP HLDG LTD 5,991,331 +124,935 $1,001,938
     BABA5,991,331+124,935$1,001,938
TAIWAN SEMICONDUCTOR MFG LTD 17,322,305 +1,128,216 $805,149
     TSM17,322,305+1,128,216$805,149
SPDR S&P 500 ETF TR (SPY) 2,457,300 +433,600 $729,253
     SPY2,457,300+433,600$729,253
BWX TECHNOLOGIES INC 7,147,348 +135,082 $408,900
     BWXT7,147,348+135,082$408,900
BROOKFIELD ASSET MGMT INC 7,191,926 -164,354 $381,819
     BAM7,191,926-164,354$381,819
TREX CO INC 3,664,023 -19,168 $333,170
     TREX3,664,023-19,168$333,170
BURLINGTON STORES INC 1,509,859 -252,224 $301,700
     BURL1,509,859-252,224$301,700
CANADIAN NATL RY CO 3,353,431 -169,833 $301,288
     CNI3,353,431-169,833$301,288
ENCOMPASS HEALTH CORP 4,650,653 +745,986 $294,293
     EHC4,650,653+745,986$294,293
EURONET WORLDWIDE INC 1,981,475 -181,718 $289,890
     EEFT1,981,475-181,718$289,890
NETEASE INC 1,048,768 +152,419 $279,164
     NTES1,048,768+152,419$279,164
MARTIN MARIETTA MATLS INC 1,015,610 +20,555 $278,379
     MLM1,015,610+20,555$278,379
INSULET CORP 1,640,410 -693,725 $270,553
     PODD1,640,410-693,725$270,553
GRAND CANYON ED INC 2,752,916 +414,692 $270,336
     LOPE2,752,916+414,692$270,336
LIVE NATION ENTERTAINMENT IN 3,934,316 -19,890 $261,003
     LYV3,934,316-19,890$261,003
COPART INC 3,248,567 -2,009,950 $260,957
     CPRT3,248,567-2,009,950$260,957
TRANSUNION 3,088,878 -51,592 $250,539
     TRU3,088,878-51,592$250,539
TORONTO DOMINION BK ONT 4,258,778 -202,851 $248,453
     TD4,258,778-202,851$248,453
TELEDYNE TECHNOLOGIES INC 767,731 -3,669 $247,202
     TDY767,731-3,669$247,202
LAMB WESTON HLDGS INC 3,393,998 +59,442 $246,812
     LW3,393,998+59,442$246,812
TELEFLEX INC 680,331 +18,738 $231,142
     TFX680,331+18,738$231,142
HORIZON THERAPEUTICS PUB LTD 8,340,441 +1,382,138 $227,110
     HZNP8,340,441+1,382,138$227,110
CBOE GLOBAL MARKETS INC 1,970,679 -426,547 $226,451
     CBOE1,970,679-426,547$226,451
BJS WHSL CLUB HLDGS INC 8,735,064 +3,269,503 $225,976
     BJ8,735,064+3,269,503$225,976
VAIL RESORTS INC 990,523 +6,715 $225,403
     MTN990,523+6,715$225,403
J2 GLOBAL INC 2,431,287 +647,756 $220,809
     JCOM2,431,287+647,756$220,809
PURE STORAGE INC 12,895,124 +456,953 $218,443
     PSTG12,895,124+456,953$218,443
SABRE CORP 9,136,130 +1,738,048 $204,604
     SABR9,136,130+1,738,048$204,604
AMAZON COM INC 116,076 -1,729 $201,497
     AMZN116,076-1,729$201,497
CROWN HOLDINGS INC 3,026,660 +1,503,614 $199,941
     CCK3,026,660+1,503,614$199,941
ASPEN TECHNOLOGY INC 1,594,358 +32,171 $196,234
     AZPN1,594,358+32,171$196,234
BOOZ ALLEN HAMILTON HLDG COR 2,753,242 -667,251 $195,535
     BAH2,753,242-667,251$195,535
ALPHABET INC 155,721 -1,938 $190,157
     GOOGL155,721-1,938$190,157
BRINKS CO 2,243,641 +574,720 $186,110
     BCO2,243,641+574,720$186,110
PORTOLA PHARMACEUTICALS INC 6,858,941 +1,861,717 $183,957
     PTLA6,858,941+1,861,717$183,957
NICE LTD 1,265,910 -85,910 $182,038
     NICE1,265,910-85,910$182,038
CHECK POINT SOFTWARE TECH LT 1,655,453 +39,760 $181,272
     CHKP1,655,453+39,760$181,272
FIRSTCASH INC 1,941,499 +52,730 $177,977
     FCFS1,941,499+52,730$177,977
GODADDY INC 2,659,484 +376,642 $175,473
     GDDY2,659,484+376,642$175,473
WEX INC 865,108 +9,894 $174,812
     WEX865,108+9,894$174,812
GUIDEWIRE SOFTWARE INC 1,628,835 -20,309 $171,647
     GWRE1,628,835-20,309$171,647
MIDDLEBY CORP 1,438,069 -58,429 $168,110
     MIDD1,438,069-58,429$168,110
CABLE ONE INC 131,105 -1,656 $164,497
     CABO131,105-1,656$164,497
ADTALEM GLOBAL ED INC 4,274,240 -423,078 $162,806
     ATGE4,274,240-423,078$162,806
HDFC BANK LTD 2,831,868 +1,321,716 $161,566
     HDB2,831,868+1,321,716$161,566
PENUMBRA INC 1,172,792 +214,195 $157,729
     PEN1,172,792+214,195$157,729
CREDICORP LTD 754,039 -133,534 $157,172
     BAP754,039-133,534$157,172
EAST WEST BANCORP INC 3,508,000 -227,441 $155,369
     EWBC3,508,000-227,441$155,369
HUAZHU GROUP LTD 4,623,332 -71,945 $152,665
     HTHT4,623,332-71,945$152,665
STERIS PLC 1,048,061 +19,352 $151,434
     STE1,048,061+19,352$151,434

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 09/30/2019: $23,381,411
At 06/30/2019: $23,833,388

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.