WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Q4 2020 Filing
Filed February 9, 2021
Portfolio Value
$30.0B
Holdings
356
Report Date
Q4 2020
Filing Type
13F-HR
All Holdings (356 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | TSMTAIWAN SEMICONDUCTOR MFG LTD | 12,232,121 | $1.3T | 4440.59% | |
| 2 | SPYSPDR S&P 500 ETF TR | 1,706,990 | $638.2B | 2124.80% | |
| 3 | MLB1MERCADOLIBRE INC | 344,891 | $577.8B | 1923.57% | |
| 4 | BWXTBWX TECHNOLOGIES INC | 7,386,872 | $445.3B | 1482.48% | |
| 5 | SESEA LTD | 2,083,794 | $414.8B | 1380.95% | |
| 6 | AMZNAMAZON COM INC | 120,538 | $392.6B | 1307.04% | |
| 7 | EHCENCOMPASS HEALTH CORP | 4,666,500 | $385.9B | 1284.69% | |
| 8 | HZNPHORIZON THERAPEUTICS PUB L | 5,253,998 | $384.3B | 1279.56% | |
| 9 | GKDGRAND CANYON ED INC | 4,081,286 | $380.0B | 1265.17% | |
| 10 | BCOBRINKS CO | 5,248,720 | $377.9B | 1258.18% | |
| 11 | MSFTMICROSOFT CORP | 1,682,146 | $374.1B | 1245.64% | |
| 12 | NSYNICE LTD | 1,276,160 | $361.9B | 1204.72% | |
| 13 | PSTGPURE STORAGE INC | 15,709,115 | $355.2B | 1182.52% | |
| 14 | ETSYETSY INC | 1,992,801 | $354.5B | 1180.37% | |
| 15 | CNRCANADIAN NATL RY CO | 3,199,468 | $351.7B | 1170.95% | |
| 16 | MLMMARTIN MARIETTA MATLS INC | 1,161,160 | $329.7B | 1097.79% | |
| 17 | TALTAL EDUCATION GROUP | 4,595,357 | $328.6B | 1094.09% | |
| 18 | CCKCROWN HLDGS INC | 3,092,037 | $309.8B | 1031.50% | |
| 19 | ALRMALARM COM HLDGS INC | 2,868,630 | $296.8B | 988.01% | |
| 20 | EEFTEURONET WORLDWIDE INC | 2,004,890 | $290.5B | 967.33% | |
| 21 | MRCYMERCURY SYS INC | 3,249,564 | $286.2B | 952.71% | |
| 22 | GOOGLALPHABET INC | 162,673 | $285.1B | 949.21% | |
| 23 | NBISYANDEX N V | 4,094,008 | $284.9B | 948.39% | |
| 24 | LULULULULEMON ATHLETICA INC | 804,427 | $280.0B | 932.09% | |
| 25 | RBAGBPRITCHIE BROS AUCTIONEERS | 3,979,808 | $276.8B | 921.54% | |
| 26 | HALOHALOZYME THERAPEUTICS INC | 6,362,344 | $271.7B | 904.70% | |
| 27 | TREXTREX CO INC | 3,169,429 | $265.3B | 883.42% | |
| 28 | SEDGSOLAREDGE TECHNOLOGIES INC | 829,337 | $264.7B | 881.13% | |
| 29 | BJBJS WHSL CLUB HLDGS INC | 7,096,457 | $264.6B | 880.79% | |
| 30 | AZTABROOKS AUTOMATION INC NEW | 3,839,521 | $260.5B | 867.32% | |
| 31 | VCYTVERACYTE INC | 5,207,939 | $254.9B | 848.57% | |
| 32 | HQYHEALTHEQUITY INC | 3,654,363 | $254.7B | 848.13% | |
| 33 | CABOCABLE ONE INC | 109,133 | $243.1B | 809.42% | |
| 34 | PENPENUMBRA INC | 1,336,263 | $233.8B | 778.55% | |
| 35 | LYVLIVE NATION ENTERTAINMENT IN | 3,182,250 | $233.8B | 778.50% | |
| 36 | TECHBIO-TECHNE CORP | 730,792 | $232.1B | 772.61% | |
| 37 | PODDINSULET CORP | 905,235 | $231.4B | 770.42% | |
| 38 | RAMPLIVERAMP HLDGS INC | 3,155,880 | $231.0B | 769.00% | |
| 39 | STESTERIS PLC | 1,206,877 | $228.8B | 761.59% | |
| 40 | BLDRBUILDERS FIRSTSOURCE INC | 5,462,733 | $222.9B | 742.22% | |
| 41 | AXONAXON ENTERPRISE INC | 1,808,503 | $221.6B | 737.76% | |
| 42 | MAMASTERCARD INCORPORATED | 617,530 | $220.4B | 733.85% | |
| 43 | AMEDAMEDISYS INC | 750,513 | $220.1B | 732.94% | |
| 44 | HELEHELEN OF TROY LTD | 983,032 | $218.4B | 727.19% | |
| 45 | PYPLPAYPAL HLDGS INC | 908,697 | $212.8B | 708.54% | |
| 46 | BFAMBRIGHT HORIZONS FAM SOL IN D | 1,229,172 | $212.6B | 707.93% | |
| 47 | AVLRUSDAVALARA INC | 1,287,977 | $212.4B | 707.06% | |
| 48 | GDDYGODADDY INC | 2,541,286 | $210.8B | 701.82% | |
| 49 | TEAMATLASSIAN CORP PLC | 895,475 | $209.4B | 697.24% | |
| 50 | CCOCAMECO CORP | 15,410,690 | $206.5B | 687.51% | |
| 51 | MDBMONGODB INC | 572,166 | $205.4B | 683.94% | |
| 52 | AWNADVANCE AUTO PARTS INC | 1,301,101 | $204.9B | 682.30% | |
| 53 | TFXTELEFLEX INCORPORATED | 493,633 | $203.2B | 676.40% | |
| 54 | LGNDLIGAND PHARMACEUTICALS INC | 2,041,045 | $203.0B | 675.79% | |
| 55 | VRNSVARONIS SYS INC | 1,238,333 | $202.6B | 674.53% | |
| 56 | AZPNUSDASPEN TECHNOLOGY INC | 1,536,148 | $200.1B | 666.14% | |
| 57 | GLOBGLOBANT S A | 911,633 | $198.4B | 660.47% | |
| 58 | JXC1J2 GLOBAL INC | 2,023,920 | $197.7B | 658.26% | |
| 59 | ZNGAEURZYNGA INC | 19,590,062 | $193.4B | 643.74% | |
| 60 | GNRCGENERAC HLDGS INC | 838,600 | $190.7B | 634.92% | |
| 61 | MMSIMERIT MED SYS INC | 3,387,365 | $188.0B | 626.02% | |
| 62 | ABMDEURABIOMED INC | 566,714 | $183.7B | 611.69% | |
| 63 | TXG10X GENOMICS INC | 1,282,261 | $181.6B | 604.50% | |
| 64 | HDBHDFC BANK LTD | 2,458,390 | $177.6B | 591.41% | |
| 65 | TDYTELEDYNE TECHNOLOGIES INC | 452,442 | $177.3B | 590.45% | |
| 66 | EYENATIONAL VISION HLDGS INC | 3,890,597 | $176.2B | 586.64% | |
| 67 | FSVFIRSTSERVICE CORP NEW | 1,278,033 | $174.8B | 581.91% | |
| 68 | —CREE INC | 1,647,107 | $174.4B | 580.73% | |
| 69 | UNHUNITEDHEALTH GROUP INC | 495,111 | $173.6B | 578.06% | |
| 70 | ARESARES MANAGEMENT CORPORATION | 3,685,378 | $173.4B | 577.29% | |
| 71 | —FIRSTCASH INC | 2,343,115 | $164.1B | 546.38% | |
| 72 | ULTAULTA BEAUTY INC | 561,664 | $161.3B | 536.98% | |
| 73 | —NATIONAL INSTRS CORP | 3,609,062 | $158.6B | 527.97% | |
| 74 | BURLBURLINGTON STORES INC | 605,192 | $158.3B | 526.99% | |
| 75 | ZEN1EURZENDESK INC | 1,105,653 | $158.2B | 526.83% | |
| 76 | TMETENCENT MUSIC ENTMT GROUP | 8,151,828 | $156.8B | 522.16% | |
| 77 | GWREGUIDEWIRE SOFTWARE INC | 1,206,639 | $155.3B | 517.15% | |
| 78 | VIRTVIRTU FINL INC | 6,137,691 | $154.5B | 514.33% | |
| 79 | WEAWESTERN ALLIANCE BANCORP | 2,512,849 | $150.6B | 501.55% | |
| 80 | ADBEADOBE SYSTEMS INCORPORATED | 299,991 | $150.0B | 499.50% | |
| 81 | NKENIKE INC | 1,047,264 | $148.2B | 493.26% | |
| 82 | ENQENTEGRIS INC | 1,534,011 | $147.4B | 490.80% | |
| 83 | SERVUSDTERMINIX GLOBAL HOLDINGS INC | 2,823,913 | $144.0B | 479.58% | |
| 84 | CRMSALESFORCE COM INC | 635,752 | $141.5B | 471.01% | |
| 85 | LECOLINCOLN ELEC HLDGS INC | 1,216,839 | $141.5B | 470.96% | |
| 86 | NFENEW FORTRESS ENERGY INC | 2,584,086 | $138.5B | 461.05% | |
| 87 | ACHCACADIA HEALTHCARE COMPANY IN | 2,706,740 | $136.0B | 452.92% | |
| 88 | BAHBOOZ ALLEN HAMILTON HLDG COR | 1,512,427 | $131.9B | 438.98% | |
| 89 | PFPTPROOFPOINT INC | 937,307 | $127.9B | 425.68% | |
| 90 | IM8NINSMED INC | 3,703,626 | $123.3B | 410.49% | |
| 91 | CPRTCOPART INC | 948,660 | $120.7B | 401.91% | |
| 92 | 1GSNNOVANTA INC | 1,015,206 | $120.0B | 399.58% | |
| 93 | 3M4MASIMO CORP | 439,444 | $117.9B | 392.65% | |
| 94 | ELLAUDER ESTEE COS INC | 436,246 | $116.1B | 386.61% | |
| 95 | —STAR PEAK ENERGY TRANSITION | 5,493,831 | $112.4B | 374.23% | |
| 96 | HEIHEICO CORP NEW | 946,065 | $110.7B | 368.71% | |
| 97 | BAPCREDICORP LTD | 674,259 | $110.6B | 368.20% | |
| 98 | 2L9BLUEPRINT MEDICINES CORP | 982,814 | $110.2B | 366.97% | |
| 99 | TWSTTWIST BIOSCIENCE CORP | 751,255 | $106.1B | 353.39% | |
| 100 | ZTSZOETIS INC | 637,297 | $105.5B | 351.15% |
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