BLAIR WILLIAM & CO/IL

SEC CIK
0000902367

Holdings, Q2 2026

Positions as of Jun 30, 2026, filed Aug 11, 2026.SEC

Positions
1,998
+76 vs. Q1 2026
Total value
$38.39B
+$3.49B (+10.0%) vs. Q1 2026

Compare with Q1 2026: new, added, reduced and sold out

Positions

Long positions only. Changes compare share counts with Q1 2026.

BLAIR WILLIAM & CO/IL holdings in Q2 2026
SecurityClassSharesValue% of portfolioChange in sharesActionHistory
AAPLAPPLE INC COMStock5,731,525$1.66B4.32%−199,389−3.4%ReducedView
AMZNAMAZON COM INC COMStock5,875,124$1.4B3.65%−182,814−3.0%ReducedView
MSFTMICROSOFT CORP COMStock3,442,574$1.28B3.35%−55,536−1.6%ReducedView
NVDANVIDIA CORPORATION COMStock5,374,424$1.08B2.80%−53,451−1.0%ReducedView
GOOGALPHABET INC CAP STK CL CStock2,953,724$1.04B2.72%−82,041−2.7%ReducedView
GOOGLALPHABET INC CAP STK CL AStock2,402,621$858.62M2.24%−33,496−1.4%ReducedView
GEVGE VERNOVA INC COMStock659,673$775.02M2.02%−4,930−0.7%ReducedView
JPMJPMORGAN CHASE & CO COMStock2,270,360$743.16M1.94%−36,893−1.6%ReducedView
SPYSTATE STREET SPDR S&P 500 ETFETF848,034$633.29M1.65%+2,740+0.3%AddedView
VVISA INC COM CL AStock1,841,604$631.84M1.65%−2,979−0.2%ReducedView
COSTCOSTCO WHOLESALE CORPORATION COMStock524,692$490.83M1.28%+3,415+0.7%AddedView
IDXXIDEXX LABS INCCOM918,556$483.56M1.26%−27,780−2.9%ReducedView
APHAMPHENOL CORP NEWCL A2,504,409$441.58M1.15%−15,910−0.6%ReducedView
MAMASTERCARD INCORPORATED CL AStock842,350$432.63M1.13%−81,055−8.8%ReducedView
INVESCO EXCHANGE TRADED FD T46137V357S&P500 EQL WGT1,982,392$421.79M1.10%+301,788+18.0%Added–
PANWPALO ALTO NETWORKS INC COMStock1,226,519$418.27M1.09%−78,339−6.0%ReducedView
LLYELI LILLY & CO COMStock347,098$416.32M1.08%+23,080+7.1%AddedView
METAMETA PLATFORMS INC CL AStock670,881$377.9M0.98%−50,839−7.0%ReducedView
VANGUARD FTSE ALL-WORLD EX-US INDEX FUND922042775ETF4,479,218$375.13M0.98%+310,593+7.5%Added–
MUMICRON TECHNOLOGY INC COMStock315,878$364.62M0.95%−16,433−4.9%ReducedView
ISHARES CORE S&P 500 ETF464287200ETF484,704$362.99M0.95%−1,135−0.2%Reduced–
FASTFASTENAL CO COMStock7,407,059$355.76M0.93%+33,352+0.5%AddedView
AVGOBROADCOM INC COMStock929,716$351.2M0.91%+11,388+1.2%AddedView
ABBVABBVIE INC COMStock1,287,857$324.08M0.84%−46,252−3.5%ReducedView
VANGUARD FTSE DEVELOPED MARKETS ETF921943858ETF4,291,023$305.74M0.80%+428,937+11.1%Added–
BWXTBWX TECHNOLOGIES INCCOM1,556,417$302.96M0.79%+118,292+8.2%AddedView
VANGUARD S&P 500 ETF922908363ETF419,372$288.03M0.75%+21,992+5.5%Added–
ANETARISTA NETWORKS INC COM SHSStock1,604,716$272.61M0.71%+453,489+39.4%AddedView
VANGUARD MORNINGSTAR VALUE ETF922908744ETF1,232,497$268.6M0.70%+66,585+5.7%Added–
INVESCO QQQ TRUST SERIES I46090E103ETF359,219$264.53M0.69%+48,203+15.5%Added–
WMTWALMART INC COMStock2,270,879$257.2M0.67%−103,403−4.4%ReducedView
HDHOME DEPOT INC COMStock697,590$246.03M0.64%−63,829−8.4%ReducedView
JNJJOHNSON & JOHNSON COMStock956,262$242.86M0.63%+630+0.1%AddedView
BRK.BBERKSHIRE HATHAWAY INC DEL CL B NEWStock483,586$241.98M0.63%−11,736−2.4%ReducedView
PEVERPURE INCCL A3,048,094$240.16M0.63%+130,048+4.5%AddedView
ECLECOLAB INC COMStock854,294$238.01M0.62%−12,117−1.4%ReducedView
WSOWATSCO INCCOM564,024$235.05M0.61%−18,676−3.2%ReducedView
AXPAMERICAN EXPRESS CO COMStock680,321$230.12M0.60%−13,446−1.9%ReducedView
PGRPROGRESSIVE CORP COMStock1,034,104$225.9M0.59%−185,645−15.2%ReducedView
NOWSERVICENOW INC COMStock2,240,030$222.39M0.58%+439,042+24.4%AddedView
TDGTRANSDIGM GROUP INCCOM164,960$219.73M0.57%−1,288−0.8%ReducedView
SYKSTRYKER CORPORATION COMStock684,392$215.47M0.56%−163,309−19.3%ReducedView
ISHARES RUSSELL 2000 ETF464287655ETF701,051$210.63M0.55%+72,823+11.6%Added–
CRWDCROWDSTRIKE HLDGS INC CL AStock272,235$207.75M0.54%+19,856+7.9%AddedView
UBERUBER TECHNOLOGIES INC COMStock2,794,590$201.66M0.53%−505,006−15.3%ReducedView
VANGUARD MORNINGSTAR TOTAL STOCK MARKET ETF922908769ETF528,525$195.58M0.51%+156,154+41.9%Added–
AAONAAON INCCOM PAR $0.0041,533,434$194.53M0.51%−88,769−5.5%ReducedView
BABOEING CO COMStock878,396$190.15M0.50%−43,706−4.7%ReducedView
DHRDANAHER CORP DEL COMStock971,095$184.97M0.48%−325,709−25.1%ReducedView
CTASCINTAS CORP COMStock1,063,530$180.89M0.47%+89,977+9.2%AddedView
VANGUARD DIVIDEND APPRECIATION ETF921908844ETF718,567$170.03M0.44%+30,796+4.5%Added–
PWRQUANTA SVCS INCCOM224,665$161.77M0.42%−1,185−0.5%ReducedView
ISRGINTUITIVE SURGICAL INCCOM NEW397,640$158.13M0.41%−27,588−6.5%ReducedView
MRVLMARVELL TECHNOLOGY INCCOM530,549$158.05M0.41%−193,427−26.7%ReducedView
ICEINTERCONTINENTAL EXCHANGE INC COMStock1,283,754$158.04M0.41%−309,874−19.4%ReducedView
GSGOLDMAN SACHS GROUP INC COMStock147,217$148.89M0.39%−9,048−5.8%ReducedView
CWCURTISS WRIGHT CORP COMStock185,609$140.65M0.37%+18,582+11.1%AddedView
ROKROCKWELL AUTOMATION INC COMStock282,332$139.78M0.36%−1,735−0.6%ReducedView
RBCRBC BEARINGS INCCOM215,880$139.04M0.36%−1,953−0.9%ReducedView
IBMINTERNATIONAL BUSINESS MACHS COMStock486,008$136.67M0.36%−32,449−6.3%ReducedView
AMDADVANCED MICRO DEVICES INC COMStock235,214$136.64M0.36%+33,266+16.5%AddedView
GLDSPDR GOLD SHARESETF362,632$133.59M0.35%−24,103−6.2%ReducedView
VEEVVEEVA SYS INC CL A COMStock750,843$133.25M0.35%−316,733−29.7%ReducedView
UNPUNION PAC CORP COMStock487,778$132.68M0.35%−27,051−5.3%ReducedView
VANGUARD MORNINGSTAR GROWTH ETF922908736ETF1,526,650$131.51M0.34%+1,276,220+509.6%Added–
ISHARES CORE S&P US VALUE ETF464287663ETF1,189,639$131.04M0.34%+23,687+2.0%Added–
PGPROCTER & GAMBLE CO COMStock888,116$130.23M0.34%−5,817−0.7%ReducedView
CATCATERPILLAR INC COMStock121,522$129.41M0.34%+3,021+2.5%AddedView
HEIHEICO CORP NEWCOM357,664$127.4M0.33%+20,865+6.2%AddedView
ISHARES RUSSELL 1000 GROWTH ETF464287614ETF973,601$120.89M0.31%+707,575+266.0%Added–
LINLINDE PLC SHSStock232,315$120.56M0.31%−867−0.4%ReducedView
CVXCHEVRON CORPORATION COMStock727,136$120.53M0.31%+11,150+1.6%AddedView
AONAON PLCCL A360,607$119.61M0.31%−60,998−14.5%ReducedView
BXBLACKSTONE INCCOM1,011,005$118.96M0.31%−167,607−14.2%ReducedView
MRKMERCK & CO INC COMStock920,715$118.31M0.31%+18,926+2.1%AddedView
FIRST TRUST RISING DIVIDEND ACHIEVERS ETF33738R506ETF1,431,021$116M0.30%+550,198+62.5%Added–
LYVLIVE NATION ENTERTAINMENT INCOM628,014$115M0.30%−34,067−5.1%ReducedView
TSLATESLA INC COMStock273,193$114.9M0.30%−22,848−7.7%ReducedView
KOCOCA COLA CO COMStock1,397,145$113.55M0.30%−18,590−1.3%ReducedView
DXCMDEXCOM INCCOM1,665,665$112.18M0.29%−261,722−13.6%ReducedView
WMWASTE MGMT INC DEL COMStock491,328$109.51M0.29%+7,025+1.5%AddedView
AMEAMETEK INCCOM436,176$105.53M0.27%−21,271−4.6%ReducedView
JLLJONES LANG LASALLE INCCOM340,350$105.49M0.27%+2,933+0.9%AddedView
ISHARES MSCI EAFE ETF464287465ETF994,809$103.34M0.27%+36,004+3.8%Added–
HONHONEYWELL INTL INC COMStock454,384$101.74M0.27%+454,384NewView
CSCOCISCO SYS INC COMStock857,629$100.74M0.26%+33,828+4.1%AddedView
HONAHONEYWELL AEROSPACE INCCOM454,071$100.39M0.26%+454,071NewView
GDGENERAL DYNAMICS CORP COMStock278,892$98.79M0.26%−13,143−4.5%ReducedView
ORLYOREILLY AUTOMOTIVE INC COMStock1,054,007$97.06M0.25%−50,393−4.6%ReducedView
ITWILLINOIS TOOL WKS INC COMStock358,826$97.05M0.25%−1,494−0.4%ReducedView
DEDEERE & CO COMStock152,753$96.9M0.25%+5,130+3.5%AddedView
SBUXSTARBUCKS CORP COMStock945,888$96.66M0.25%+7,340+0.8%AddedView
ABTABBOTT LABORATORIES COMStock1,063,211$96.48M0.25%−264,550−19.9%ReducedView
GNRCGENERAC HLDGS INC COMStock325,426$95.29M0.25%−21,404−6.2%ReducedView
ISHARES CORE S&P U.S. GROWTH ETF464287671ETF501,346$94.3M0.25%+23,068+4.8%Added–
MCDMCDONALDS CORP COMStock340,138$91.94M0.24%−8,105−2.3%ReducedView
NFLXNETFLIX INC. COMStock1,285,481$91.78M0.24%−477,970−27.1%ReducedView
TSMTAIWAN SEMICONDUCTOR MANUFACT SPONSORED ADSADR191,662$91.53M0.24%+53,907+39.1%AddedView
ISHARES TR464287150CORE S&P TTL STK556,582$91.43M0.24%−20,914−3.6%Reduced–
GWREGUIDEWIRE SOFTWARE INCCOM726,387$89.38M0.23%−248,909−25.5%ReducedView

Sold out since Q1 2026 (91)

Positions held at the end of Q1 2026 that are no longer in this filing.

BLAIR WILLIAM & CO/IL positions sold out since Q1 2026
SecurityClassShares, Q1 2026Value, Q1 2026% of portfolio, Q1 2026
XOMEXXON MOBIL CORPCOM946,386$160.56M0.46%
HONHoneywell TechnologiesCOM295,831$66.87M0.19%
HURNHURON CONSULTING GROUP INC COMStock51,446$6.56M0.02%
PBHPRESTIGE CONSMR HEALTHCARE ICOM106,485$6.31M0.02%
DDDUPONT DE NEMOURS INCCOM75,753$3.47M0.01%
EXPOEXPONENT INCCOM28,806$1.88M0.01%
CLEARWATER ANALYTICS HLDGS I185123106CL A77,582$1.83M0.01%
RLIRLI CORPCOM31,573$1.8M0.01%
ISHARES INC464286632MSCI ISRAEL ETF15,076$1.75M0.01%
OSISOSI SYSTEMS INCCOM5,493$1.46M0.00%
FLUSHING FINL CORP343873105COM78,721$1.21M0.00%
COTERRA ENERGY INC COM127097103Stock22,748$799.37K0.00%
ALHCALIGNMENT HEALTHCARE INCCOM42,450$747.97K0.00%
CCLCARNIVAL CORPUNIT 99/99/999921,718$562.06K0.00%
ALRMALARM COM HLDGS INCCOM12,066$521.13K0.00%
RYAAYRYANAIR HOLDINGS PLCSPONSORED ADR8,686$502.07K0.00%
FCFSFIRSTCASH HOLDINGS INCCOM2,589$486.65K0.00%
ELANELANCO ANIMAL HEALTH INCCOM18,165$434.7K0.00%
TERNS PHARMACEUTICALS INC880881107COM7,947$418.97K0.00%
GATXGATX CORPCOM2,395$408.91K0.00%
BLBLACKLINE INCCOM10,573$391.2K0.00%
BNSBANK NOVA SCOTIA B CCOM4,921$341.1K0.00%
PLXSPLEXUS CORPCOM1,646$333.38K0.00%
OVVOVINTIV INCCOM5,506$326.83K0.00%
SQMSOCIEDAD QUIMICA Y MINERA DESPON ADR SER B4,006$324.25K0.00%
AROCARCHROCK INCCOM9,096$316.53K0.00%
SSBSOUTHSTATE BK CORPCOM3,412$315.68K0.00%
SYBTSTOCK YDS BANCORP INCCOM4,585$303.94K0.00%
FLUTFLUTTER ENTMT PLCSHS2,934$299.12K0.00%
EENI SPASPONSORED ADR5,200$294.37K0.00%
YPFYPF SOCIEDAD ANONIMASPON ADR CL D6,150$284.25K0.00%
FELEFRANKLIN ELEC INCCOM3,007$277.18K0.00%
INSPINSPIRE MED SYS INCCOM5,189$267.65K0.00%
CUZCOUSINS PPTYS INCCOM NEW11,689$263.83K0.00%
NPNEPTUNE INS HLDGS INCCL A10,500$254K0.00%
AIIAMERICAN INTEGRITY INS GROUPCOM12,727$245.38K0.00%
CBTCABOT CORPCOM3,186$239.92K0.00%
EPRTESSENTIAL PPTYS RLTY TR INCCOM7,640$231.95K0.00%
GSGISHARES S&P GSCI COMMODITY-UNIT BEN INT6,929$223.46K0.00%
UHSUNIVERSAL HLTH SVCS INCCL B1,232$220.52K0.00%
SAMBOSTON BEER INCCL A956$220.26K0.00%
KBHKB HOMECOM4,238$219.32K0.00%
INVINNVENTURE INCCOM55,046$215.23K0.00%
LOPEGRAND CANYON ED INCCOM1,236$210.16K0.00%
IDCCINTERDIGITAL INCCOM684$206.71K0.00%
WRAPWRAP TECHNOLOGIES INCCOM133,333$205.33K0.00%
LIBERTY BROADBAND CORP530307305COM SER C4,055$203.97K0.00%
UUPINVESCO DB US DLR INDEX TRBULLISH FD7,295$202.66K0.00%
PIPRPIPER SANDLER COMPANIESCOM NEW2,628$201.17K0.00%
EGEVEREST GROUP LTDCOM612$200.05K0.00%
STUBSTUBHUB HLDGS INCCL A19,158$119.55K0.00%
AVPTAVEPOINT INCCOM CL A12,300$116.97K0.00%
RPAYREPAY HLDGS CORPCOM CL A41,691$108.4K0.00%
INNOVATOR ETFS TRUST45783Y681NASDAQ 100 MANA2,841$94.61K0.00%
SUNOPTA INC8676EP108COM14,337$92.9K0.00%
SPTSPROUT SOCIAL INCCOM CL A16,196$92.32K0.00%
DPRODRAGANFLY INC.COM18,500$90.84K0.00%
SPRYARS PHARMACEUTICALS INCCOM10,825$86.93K0.00%
ALLOALLOGENE THERAPEUTICS INCCOM30,040$73.3K0.00%
PETSPETMED EXPRESS INCCOM30,400$69.31K0.00%
ACHRARCHER AVIATION INC COM CL AStock11,665$60.31K0.00%
PROSHARES TR74347X849SHRT 20+YR TRE2,350$56.94K0.00%
IRDOPUS GENETICS INCCOM12,466$56.72K0.00%
VENTAS RLTY LTD PARTNERSHIP92277GAZ0NOTE 3.750% 6/0–$43.12K0.00%
ALITALIGHT INCCOM CL A73,952$43.09K0.00%
INNOVATOR ETFS TRUST45783Y673QUITY MANAGD FLR1,211$42.88K0.00%
FIRST TR EXCHANGE-TRADED FD33739Q408FIRST TR ENH NEW691$41.31K0.00%
PIMCO ETF TR72201R874SHTRM MUN BD ACT810$40.87K0.00%
INVESCO EXCH TRADED FD TR II46138E719BLOO EN ANGE ETF2,185$39.2K0.00%
J P MORGAN EXCHANGE TRADED F46641Q399BETABUILDRS US330$38.67K0.00%
OPEN LENDING CORP68373J104COM20,067$25.08K0.00%
UPWHEELS UP EXPERIENCE INCCOM CL A46,155$23.84K0.00%
KKR & CO INC48251W5006.25 CON SER D580$23.33K0.00%
DLPNDOLPHIN ENTMT INCCOM14,552$21.39K0.00%
ARES MANAGEMENT CORPORATION03990B3096.75 SE B PFD500$18.09K0.00%
ONON SEMICONDUCTOR CORPNOTE 5/0–$16.76K0.00%
DUKE ENERGY CORP NEW26441CBY0NOTE 4.125% 4/1–$14.33K0.00%
AMERICAN WTR CAP CORP03040WBE4NOTE 3.625% 6/1–$12.97K0.00%
LIBERTY BROADBAND CORP530307107COM SER A199$9.99K0.00%
PIIIP3 HEALTH PARTNERS INCCOM CL A3,092$9.52K0.00%
IMMPIMMUTEP LTDSPONSORED ADS11,000$3.86K0.00%
ORACLE CORP68389X2046.5 DEP CUM SR D81$3.65K0.00%
SPDR SERIES TRUST78468R457ST POR TREAS ETF60$1.83K0.00%
SPDR SERIES TRUST78468R887ST STR R2K LOWV11$1.53K0.00%
PACER FDS TR69374H725LUNT MDCAP MLT25$1.2K0.00%
ETFIS SER TR I26923G301VIRT BI TRIA ETF28$1.17K0.00%
INVESCO EXCH TRADED FD TR II46138G482NASDAQ FT GEN20025$8430.00%
ISHARES INC464286517JP MORGAN EM ETF16$6530.00%
GLOBAL X FDS37950E408MSCI CHINA CNSMR16$3180.00%
VANGUARD WELLINGTON FD921935805US VALUE FACTR2$2690.00%
PIIIWP3 HEALTH PARTNERS INC*W EXP 99/99/9998,598$430.00%

13F filings by quarter

BLAIR WILLIAM & CO/IL 13F filings by quarter
QuarterFiledPositionsTotal valueChangesFiling
Q2 2026Aug 11, 20261,998$38.39Bvs. Q1 2026SEC
Q1 2026May 8, 20261,922$34.9Bvs. Q4 2025SEC
Q4 2025Feb 17, 20261,867$37.26Bvs. Q3 2025SEC
Q3 2025Nov 12, 20251,844$37.57Bvs. Q2 2025SEC
Q2 2025Jul 24, 20251,824$36Bvs. Q1 2025SEC
Q1 2025May 9, 20251,801$33.16Bvs. Q4 2024SEC
Q4 2024Feb 12, 20251,816$34.38Bvs. Q3 2024SEC
Q3 2024Nov 12, 20241,821$34.05Bvs. Q2 2024SEC
Q2 2024Aug 12, 20241,822$32.42Bvs. Q1 2024SEC
Q1 2024May 9, 20241,787$31.84Bvs. Q4 2023SEC
Q4 2023Feb 12, 20241,785$29.35Bvs. Q3 2023SEC
Q3 2023Nov 9, 20231,791$26.08Bvs. Q2 2023SEC
Q2 2023Aug 11, 20231,809$27.3Bvs. Q1 2023SEC
Q1 2023May 12, 20231,801$25.03Bvs. Q4 2022SEC
Q4 2022Feb 10, 20231,814$23Bvs. Q3 2022SEC
Q3 2022Nov 9, 20221,823$21.77Bvs. Q2 2022SEC
Q2 2022Aug 10, 20221,863$22.54Bvs. Q1 2022SEC
Q1 2022May 13, 20221,910$28.53Bvs. Q4 2021SEC
Q4 2021Feb 14, 20221,963$31.88Bvs. Q3 2021SEC
Q3 2021Nov 12, 20211,879$29.38Bvs. Q2 2021SEC
Q2 2021Aug 12, 20211,888$28.86Bvs. Q1 2021SEC
Q1 2021May 13, 20211,856$26.51B–SEC