13FBOX
BLAIR WILLIAM & CO/IL · 13F Holdings
Options Calculator Rankings

BLAIR WILLIAM & CO/IL

No.244 Data as of 2026Q2
Latest AUM (Q2 2026)
$38.39B
QoQ Change Q1 2026
+$3.49B+10.0%
Holdings
1998
New Buys
165
Adds
901
Reduces
701
Exits
89
Unchanged
231
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
APPLE INCAAPL
4.32%4.31%$1.66B5.7M$1.51B5.9M-199,389-3.36%Reduce
AMAZON COM INCAMZN
3.65%3.62%$1.40B5.9M$1.26B6.1M-182,814-3.02%Reduce
MICROSOFT CORPMSFT
3.35%3.71%$1.28B3.4M$1.29B3.5M-55,536-1.59%Reduce
NVIDIA CORPORATIONNVDA
2.8%2.71%$1.08B5.4M$946.6M5.4M-53,451-0.98%Reduce
AAlphabet Inc Class CGOOG
2.72%2.5%$1.04B3.0M$870.8M3.0M-82,041-2.70%Reduce
ALPHABET INCGOOGL
2.24%2.01%$858.6M2.4M$700.5M2.4M-33,496-1.37%Reduce
GE VERNOVA INCGEV
2.02%1.66%$775.0M659,673$580.1M664,603-4,930-0.74%Reduce
JPMORGAN CHASE & COJPM
1.94%1.94%$743.2M2.3M$678.7M2.3M-36,893-1.60%Reduce
SSTATE STR SPDR S&P 500 ETF TSPY
1.65%1.58%$633.3M848,034$549.7M845,294+2,740+0.32%Add
VISA INCV
1.65%1.6%$631.8M1.8M$557.5M1.8M-2,979-0.16%Reduce
COSTCO WHOLESALE CORPORATIONCOST
1.28%1.49%$490.8M524,692$519.4M521,277+3,415+0.66%Add
IDEXX LABS INC COMIDXX
1.26%1.52%$483.6M918,556$531.7M946,336-27,780-2.94%Reduce
AMPHENOL CORPAPH
1.15%0.91%$441.6M2.5M$318.4M2.5M-15,910-0.63%Reduce
MASTERCARD INCORPORATEDMA
1.13%1.32%$432.6M842,350$461.4M923,405-81,055-8.78%Reduce
IINVESCO EXCHANGE TRADED FD TRSP
1.1%0.92%$421.8M2.0M$322.5M1.7M+301,788+17.96%Add
PALO ALTOPANW
1.09%0.6%$418.3M1.2M$209.2M1.3M-78,339-6.00%Reduce
ELI LILLY & COLLY
1.08%0.85%$416.3M347,098$298.0M324,018+23,080+7.12%Add
META PLATFORMS INCMETA
0.98%1.18%$377.9M670,881$412.9M721,720-50,839-7.04%Reduce
VVANGUARD INTL EQUITY INDEX FVEU
0.98%0.9%$375.1M4.5M$313.1M4.2M+310,593+7.45%Add
MICRON TECHNOLOGY INCMU
0.95%0.32%$364.6M315,878$112.3M332,311-16,433-4.95%Reduce
IISHARES TRIVV
0.95%0.91%$363.0M484,704$317.4M485,839-1,135-0.23%Reduce
FFASTENAL CO COMFAST
0.93%0.98%$355.8M7.4M$342.1M7.4M+33,352+0.45%Add
BROADCOM INCAVGO
0.91%0.81%$351.2M929,716$284.2M918,328+11,388+1.24%Add
ABBVIE INCABBV
0.84%0.83%$324.1M1.3M$290.2M1.3M-46,252-3.47%Reduce
VVANGUARD FTSEVEA
0.8%0.71%$305.7M4.3M$247.5M3.9M+428,937+11.11%Add
BWX TECHNOLOGIES INCBWXT
0.79%0.84%$303.0M1.6M$294.1M1.4M+118,292+8.23%Add
VVANGUARD INDEX FDSVOO
0.75%0.68%$288.0M419,372$237.5M397,380+21,992+5.53%Add
ARISTA NETWORKS INCANET
0.71%0.41%$272.6M1.6M$141.3M1.2M+453,489+39.39%Add
VVANGUARD INDEX FDSVTV
0.7%0.66%$268.6M1.2M$228.8M1.2M+66,585+5.71%Add
IINVESCO QQQ TRVOO
0.69%0.51%$264.5M359,219$179.5M311,016+48,203+15.50%Add
WALMART INCWMT
0.67%0.85%$257.2M2.3M$295.1M2.4M-103,403-4.36%Reduce
HOME DEPOT INCHD
0.64%0.72%$246.0M697,590$250.4M761,419-63,829-8.38%Reduce
JOHNSON & JOHNSONJNJ
0.63%0.67%$242.9M956,262$233.6M955,632+630+0.07%Add
BERKSHIRE HATHAWAY INC DELBRK.B
0.63%0.68%$242.0M483,586$237.4M495,322-11,736-2.37%Reduce
EEVERPURE INC CL AEVPR
0.63%0.49%$240.2M3.0M$172.3M2.9M+130,048+4.46%Add
ECOLAB INCECL
0.62%0.66%$238.0M854,294$230.5M866,411-12,117-1.40%Reduce
WWATSCO INCWSO
0.61%0.61%$235.0M564,024$212.0M582,700-18,676-3.21%Reduce
AMERICAN EXPRESS COAXP
0.6%0.6%$230.1M680,321$209.9M693,767-13,446-1.94%Reduce
PROGRESSIVE CORPPGR
0.59%0.69%$225.9M1.0M$241.8M1.2M-185,645-15.22%Reduce
SERVICENOW INCNOW
0.58%0.54%$222.4M2.2M$188.3M1.8M+439,042+24.38%Add
TRANSDIGM GROUP INCTDG
0.57%0.55%$219.7M164,960$192.7M166,248-1,288-0.77%Reduce
STRYKER CORPORATIONSYK
0.56%0.8%$215.5M684,392$278.5M847,701-163,309-19.26%Reduce
IISHARES RUSSELLIWM
0.55%0.45%$210.6M701,051$155.8M628,228+72,823+11.59%Add
CROWDSTRIKE HLDGS INCCRWD
0.54%0.28%$207.8M272,235$98.5M252,379+19,856+7.87%Add
UBER TECHNOLOGIES INCUBER
0.53%0.68%$201.7M2.8M$237.3M3.3M-505,006-15.31%Reduce
GGENERAL DYNAMICS CORPVTI
0.51%0.34%$195.6M528,525$119.5M372,371+156,154+41.94%Add
AAAON INCAAON
0.51%0.38%$194.5M1.5M$134.2M1.6M-88,769-5.47%Reduce
BOEING COBA
0.5%0.53%$190.1M878,396$183.5M922,102-43,706-4.74%Reduce
DANAHER CORP DEL COMDHR
0.48%0.7%$185.0M971,095$245.9M1.3M-325,709-25.12%Reduce
CINTAS CORP COMCTAS
0.47%0.47%$180.9M1.1M$164.7M973,553+89,977+9.24%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow