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Livermore
Livermore
ZHEN

Blair William & Co

SEC CIK
0000902367
Latest filing
Aug 11, 2026

Holdings in Q3 2025

Holdings as of Sep 30, 2025, filed Nov 12, 2025. Long positions only; changes compare share counts with Q2 2025.

Institution overview
Positions
1,844
+20 vs. Q2 2025
Portfolio value
$37.6B
+$1.57B (+4.4%) vs. Q2 2025
Filed
Nov 12, 2025
SEC
Holdings of Blair William & Co in Q3 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
MSFTMicrosoft CorpStock3,607,106$1.87B5.0%−89,598−2.4%ReducedHistory
AAPLApple Inc.Stock5,992,795$1.53B4.1%−34,085−0.6%ReducedHistory
AMZNAmazon Com IncStock6,006,885$1.32B3.5%−114,990−1.9%ReducedHistory
NVDANVIDIA CorpStock5,645,112$1.05B2.8%+45,974+0.8%AddedHistory
GOOGAlphabet Inc.Stock3,145,955$766.2M2.0%−34,074−1.1%ReducedHistory
JPMJPMorgan Chase & CoStock2,306,918$727.7M1.9%−22,827−1.0%ReducedHistory
VVisa Inc.Stock1,962,153$669.8M1.8%−108,900−5.3%ReducedHistory
IDXXIDEXX Laboratories IncCOM1,031,786$659.2M1.8%−48,719−4.5%ReducedHistory
GOOGLAlphabet Inc.Stock2,525,974$614.1M1.6%+8380.0%AddedHistory
SPYSPDR S&P 500 ETF TrustETF859,344$572.5M1.5%−3210.0%ReducedHistory
MAMastercard IncStock976,597$555.5M1.5%−30,726−3.1%ReducedHistory
COSTCostco Wholesale CorpStock551,558$510.5M1.4%−428−0.1%ReducedHistory
METAMeta Platforms, Inc.Stock678,857$498.5M1.3%+102,259+17.7%AddedHistory
UBERUber Technologies, IncStock4,247,493$416.1M1.1%−76,540−1.8%ReducedHistory
GEVGE Vernova Inc.Stock628,121$386.2M1.0%−4,685−0.7%ReducedHistory
VEEVVeeva Systems IncStock1,289,252$384.1M1.0%+4,290+0.3%AddedHistory
NOWServiceNow, Inc.Stock399,081$367.3M1.0%+71,293+21.7%AddedHistory
PGRProgressive CorpStock1,439,156$355.4M0.9%−66,265−4.4%ReducedHistory
FASTFastenal CoStock6,965,564$341.6M0.9%+142,591+2.1%AddedHistory
APHAmphenol CorpCL A2,751,514$340.5M0.9%−219,934−7.4%ReducedHistory
SYKStryker CorpStock919,505$339.9M0.9%−4,752−0.5%ReducedHistory
WSOWatsco IncCOM799,956$323.4M0.9%−6,700−0.8%ReducedHistory
HDHome Depot, Inc.Stock765,895$310.3M0.8%+6,535+0.9%AddedHistory
iShares Core S&P 500 ETF464287200ETF446,312$298.7M0.8%+10,169+2.3%Added–
AVGOBroadcom Inc.Stock889,716$293.5M0.8%−44,731−4.8%ReducedHistory
ABBVAbbVie Inc.Stock1,263,581$292.6M0.8%+6,169+0.5%AddedHistory
ICEIntercontinental Exchange, Inc.Stock1,729,769$291.4M0.8%−23,120−1.3%ReducedHistory
DHRDanaher CorpStock1,366,102$270.8M0.7%−9,622−0.7%ReducedHistory
GWREGuidewire Software, Inc.COM1,158,043$266.2M0.7%−16,582−1.4%ReducedHistory
CSGPCostar Group, Inc.COM3,128,473$263.9M0.7%+257,311+9.0%AddedHistory
PEverpure, Inc.CL A3,085,052$258.6M0.7%−39,490−1.3%ReducedHistory
PANWPalo Alto Networks IncStock1,237,864$252.1M0.7%+79,978+6.9%AddedHistory
FISVFiserv IncStock1,935,022$249.5M0.7%−172,497−8.2%ReducedHistory
WMTWalmart Inc.Stock2,406,279$248.0M0.7%−28,735−1.2%ReducedHistory
AXPAmerican Express CoStock703,490$233.7M0.6%+24,920+3.7%AddedHistory
BXBlackstone Inc.COM1,361,649$232.6M0.6%+5,717+0.4%AddedHistory
LLYEli Lilly & CoStock299,549$228.6M0.6%−4,918−1.6%ReducedHistory
TDGTransDigm Group INCCOM172,649$227.6M0.6%−304−0.2%ReducedHistory
APPAppLovin CorpCOM CL A316,388$227.3M0.6%+163,210+106.5%AddedHistory
BRK.BBerkshire Hathaway IncStock445,234$223.8M0.6%+2,637+0.6%AddedHistory
TYLTyler Technologies IncCOM424,708$222.2M0.6%−600.0%ReducedHistory
BWXTBWX Technologies, Inc.COM1,191,068$219.6M0.6%+187,461+18.7%AddedHistory
ECLEcolab Inc.Stock794,143$217.5M0.6%−11,013−1.4%ReducedHistory
ABTAbbott LaboratoriesStock1,598,206$214.1M0.6%−5,099−0.3%ReducedHistory
CPRTCopart IncCOM4,738,566$213.1M0.6%−343,725−6.8%ReducedHistory
WDAYWorkday, Inc.CL A882,933$212.5M0.6%−184,186−17.3%ReducedHistory
CTASCintas CorpStock1,005,955$206.5M0.5%−8,620−0.8%ReducedHistory
ISRGIntuitive Surgical IncCOM NEW458,006$204.8M0.5%−8,017−1.7%ReducedHistory
Vanguard S&P 500 ETF922908363ETF330,019$202.1M0.5%+26,239+8.6%Added–
ZTSZoetis Inc.Stock1,363,155$199.5M0.5%−268,716−16.5%ReducedHistory
AONAon plcCL A529,773$188.9M0.5%−38,214−6.7%ReducedHistory
Vanguard Ftse Developed Markets ETF921943858ETF3,044,272$182.4M0.5%+87,435+3.0%Added–
NFLXNetflix IncStock149,232$178.9M0.5%−1,023−0.7%ReducedHistory
JNJJohnson & JohnsonStock948,277$175.8M0.5%−4,580−0.5%ReducedHistory
INTUIntuit Inc.Stock250,286$170.9M0.5%−5,052−2.0%ReducedHistory
AAONAaon, Inc.COM PAR $0.0041,819,292$170.0M0.5%−460,778−20.2%ReducedHistory
ANETArista Networks, Inc.Stock1,112,568$162.1M0.4%−44,814−3.9%ReducedHistory
Vanguard Ftse All-World Ex-US Index Fund922042775ETF2,266,265$161.7M0.4%+210,688+10.2%Added–
Invesco QQQ Trust Series I46090E103ETF265,585$159.4M0.4%−4,802−1.8%Reduced–
AMTAmerican Tower CorpREIT782,048$150.4M0.4%+8,874+1.1%AddedHistory
Vanguard Morningstar Value ETF922908744ETF804,306$150.0M0.4%−19,556−2.4%Reduced–
RYANRyan Specialty Holdings, Inc.CL A2,660,791$150.0M0.4%−153,404−5.5%ReducedHistory
CRMSalesforce, Inc.Stock614,695$145.7M0.4%−40,892−6.2%ReducedHistory
Vanguard Dividend Appreciation ETF921908844ETF666,611$143.8M0.4%+31,088+4.9%Added–
ORCLOracle CorpStock510,419$143.6M0.4%−8,818−1.7%ReducedHistory
BABoeing CoStock665,006$143.5M0.4%+6,951+1.1%AddedHistory
PGProcter & Gamble CoStock928,397$142.6M0.4%−51,866−5.3%ReducedHistory
DXCMDexcom IncCOM2,109,343$141.9M0.4%−98,701−4.5%ReducedHistory
ADBEAdobe Inc.Stock393,313$138.7M0.4%−172,058−30.4%ReducedHistory
IBMInternational Business Machines CorpStock459,740$129.7M0.3%−15,883−3.3%ReducedHistory
CWANClearwater Analytics Holdings, Inc.CL A7,134,647$128.6M0.3%+3,245,986+83.5%AddedHistory
IRTCiRhythm Holdings, Inc.COM740,721$127.4M0.3%+1,390+0.2%AddedHistory
ROLRollins IncCOM2,124,489$124.8M0.3%−45,723−2.1%ReducedHistory
GSGoldman Sachs Group IncStock153,206$122.0M0.3%+3,190+2.1%AddedHistory
iShares Russell 2000 ETF464287655ETF500,461$121.1M0.3%+6,881+1.4%Added–
TSLATesla, Inc.Stock268,015$119.2M0.3%−15,537−5.5%ReducedHistory
iShares Russell 1000 Growth ETF464287614ETF250,798$117.5M0.3%+1,705+0.7%Added–
ORLYO Reilly Automotive IncStock1,085,453$117.0M0.3%+5,841+0.5%AddedHistory
UNPUnion Pacific CorpStock484,001$114.4M0.3%−13,858−2.8%ReducedHistory
LYVLive Nation Entertainment, Inc.COM698,032$114.1M0.3%−4,079−0.6%ReducedHistory
LINLinde PLCStock238,849$113.5M0.3%−1,122−0.5%ReducedHistory
CRWDCrowdStrike Holdings, Inc.Stock225,394$110.5M0.3%+50,591+28.9%AddedHistory
ACNAccenture plcStock447,619$110.4M0.3%−139,951−23.8%ReducedHistory
XOMExxonMobil Holdings CorpCOM963,274$108.6M0.3%−7,727−0.8%ReducedHistory
ITWIllinois Tool Works IncStock412,195$107.5M0.3%−9,362−2.2%ReducedHistory
WMWaste Management IncStock484,597$107.0M0.3%+80,881+20.0%AddedHistory
MCDMcDonalds CorpStock343,959$104.5M0.3%+1,777+0.5%AddedHistory
SPGIS&P Global Inc.Stock214,509$104.4M0.3%+8,514+4.1%AddedHistory
iShares Core S&P US Value ETF464287663ETF1,042,342$104.2M0.3%−7,098−0.7%Reduced–
CVXChevron CorpStock668,728$103.8M0.3%+15,814+2.4%AddedHistory
KOCoca Cola CoStock1,521,663$100.9M0.3%−28,208−1.8%ReducedHistory
VRSKVerisk Analytics, Inc.COM396,691$99.8M0.3%+13,394+3.5%AddedHistory
AMEAmetek IncCOM529,273$99.5M0.3%−160,587−23.3%ReducedHistory
ROKRockwell Automation, IncStock279,199$97.6M0.3%+2,270+0.8%AddedHistory
Vanguard Morningstar Growth ETF922908736ETF202,226$97.0M0.3%+12,926+6.8%Added–
GDGeneral Dynamics CorpStock284,145$96.9M0.3%+4,569+1.6%AddedHistory
QCOMQualcomm IncStock579,279$96.4M0.3%+141,211+32.2%AddedHistory
Vanguard Morningstar Total Stock Market ETF922908769ETF291,473$95.7M0.3%+21,135+7.8%Added–
MDBMongoDB, Inc.CL A300,010$93.1M0.2%−61,122−16.9%ReducedHistory
PCORProcore Technologies, Inc.COM1,225,529$89.4M0.2%+123,106+11.2%AddedHistory

Sold out since Q2 2025 (78)

Positions held at the end of Q2 2025 that are gone from this filing.

Positions of Blair William & Co sold out since Q2 2025
SecurityClassShares in Q2 2025Value in Q2 2025% of portfolio in Q2 2025History
LRNStride, Inc.COM51,424$7.47M<0.1%History
GMSGMS Inc.COM23,000$2.50M<0.1%History
ARAntero Resources CorpCOM46,587$1.88M<0.1%History
WBAWalgreens Boots Alliance, Inc.COM159,654$1.83M<0.1%History
STRSitio Royalties Corp.CLASS A COM82,590$1.52M<0.1%History
AESIAtlas Energy Solutions Inc.COM NEW76,246$1.02M<0.1%History
TCMDTactile Systems Technology IncCOM92,793$940.9K<0.1%History
THSTreeHouse Foods, Inc.COM48,234$936.7K<0.1%History
CCRNCross Country Healthcare IncCOM67,356$879.0K<0.1%History
CLFCleveland-Cliffs Inc.COM114,777$872.3K<0.1%History
Aris Water Solutions, Inc.04041L106CLASS A COM35,617$842.3K<0.1%–
SLDBSolid Biosciences Inc.COM NEW165,700$807.0K<0.1%History
ECPGEncore Capital Group IncCOM11,637$450.5K<0.1%History
TRIThomson Reuters CorpCOM NO PAR2,015$405.2K<0.1%History
KDPKeurig Dr Pepper Inc.COM12,201$403.4K<0.1%History
HRLHormel Foods CorpCOM12,628$382.0K<0.1%History
RELXRELX PLCSPONSORED ADR6,759$367.3K<0.1%History
AGLagilon health, inc.COM156,394$359.7K<0.1%History
SSTISoundthinking, Inc.COM27,328$356.8K<0.1%History
BRKLBrookline Bancorp IncCOM31,210$329.3K<0.1%History
Listed FDS Tr53656G498ROUN MA SEVE ETF5,805$322.0K<0.1%–
ALLYAlly Financial Inc.Stock8,153$317.6K<0.1%History
EXEExpand Energy CorpCOM2,491$291.3K<0.1%History
WYNNWynn Resorts LtdCOM2,907$272.3K<0.1%History
ETF Ser Solutions26922B832BAHL GAYNOR SML9,378$270.6K<0.1%–
First Tr Exchng Traded FD VI33740F755FT LADD BUFF ETF8,291$263.7K<0.1%–
BALLBALL CorpCOM4,632$259.8K<0.1%History
RCKTRocket Pharmaceuticals, Inc.COM104,211$255.3K<0.1%History
UPSTUpstart Holdings, Inc.COM3,600$232.8K<0.1%History
KDKyndryl Holdings, Inc.Stock5,416$227.3K<0.1%History
ADArray Digital Infrastructure, Inc.COM3,500$223.9K<0.1%History
TLXTelix Pharmaceuticals LtdADS13,500$216.9K<0.1%History
WHRWhirlpool CorpStock2,139$216.9K<0.1%History
KNXKnight-Swift Transportation Holdings Inc.CL A4,821$213.2K<0.1%History
KMPRKEMPER CorpCOM3,245$209.4K<0.1%History
DVADavita Inc.COM1,464$208.5K<0.1%History
ODDOddity Tech LtdSHS CL A2,700$203.8K<0.1%History
FLYWFlywire CorpCOM VTG17,407$203.7K<0.1%History
Pacer Trendpilot US Large Cap ETF69374H105ETF3,829$194.4K<0.1%–
TAKTakeda Pharmaceutical Co LtdADR10,306$159.3K<0.1%History
GENIGenius Sports LtdSHARES CL A12,550$130.5K<0.1%History
LendingTree, Inc.52603BAD9NOTE 0.500% 7/1–$123.4K<0.1%–
Wayfair Inc.94419LAM3NOTE 0.625%10/0–$96.6K<0.1%–
SNAPSnap IncStock10,471$91.0K<0.1%History
PIMCO ETF Tr72201R635MUNI INCOME OPP1,860$82.3K<0.1%–
LFSTLifeStance Health Group, Inc.COM13,487$69.7K<0.1%History
First Tr Exchng Traded FD VI33740F771FT VEST US1,426$63.7K<0.1%–
Schwab Strategic Tr8085247141 5YR CORP BD2,262$56.1K<0.1%–
HCATHealth Catalyst, Inc.COM14,256$53.7K<0.1%History
First Tr Exchange-Traded Alp33735B108COM SHS409$47.0K<0.1%–
U.S. Global Jets ETF26922A842ETF1,991$45.7K<0.1%–
BDSXBiodesix IncCOM141,100$39.8K<0.1%History
Schwab US Aggregate Bond ETF808524839ETF1,712$39.8K<0.1%–
First Tr Exchng Traded FD VI33740F847FT VEST US EQT750$37.6K<0.1%–
iShares Ibonds Dec 2028 Term Corporate ETF46435U515ETF1,207$30.7K<0.1%–
VNRXVolitionrx LtdCOM40,000$30.4K<0.1%History
NRG Energy, Inc.629377CG5DBCV 2.750% 6/0–$23.6K<0.1%–
iShares Tr46436E866IBONDS 25 TRM TS831$19.4K<0.1%–
LCTXLineage Cell Therapeutics, Inc.COM20,000$18.1K<0.1%History
Invesco Rafi Developed Markets Ex-U.S. Small-Mid ETF46138E735ETF338$13.2K<0.1%–
First Tr Exchange-Traded FD33734X101CONSUMR DISCRE207$13.1K<0.1%–
SENSSenseonics Holdings, Inc.COM24,300$11.6K<0.1%History
iShares Inc464286327MSCI GLB SLV&MTL575$10.2K<0.1%–
SPDR Series Trust78468R861STATE STRET SPDR535$10.2K<0.1%–
Invesco Exch Traded FD Tr II46138G615INVESCO PHLX SM200$8.73K<0.1%–
SPDR Index Shs FDS78463X772ST S&P INTL ETF200$8.43K<0.1%–
iShares Tr46429B507MSCI IRELAND ETF96$6.44K<0.1%–
LONALeonaBio, Inc.COM20,000$6.04K<0.1%History
WOLFWolfspeed, Inc.Stock12,830$5.12K<0.1%History
GCM Grosvenor Inc.36831E116*W EXP 11/17/2027,895$5.05K<0.1%–
LNAILunai Bioworks Inc.COM16,100$4.65K<0.1%History
ETF Ser Solutions26922A321DISTILLATE US82$4.52K<0.1%–
iShares Tr464289123NEW ZEALAND ETF89$4.06K<0.1%–
iShares Inc464286640MSCI CHILE ETF93$2.92K<0.1%–
Invesco Exchange Traded FD T46137V399S&P500 BUY WRT108$2.36K<0.1%–
iShares Tr46429B515MSCI FINLAND ETF56$2.29K<0.1%–
Global X FDS37950E259GB MSCI AR ETF25$2.12K<0.1%–
ETF Ser Solutions26922A719US GBL GLD PRE22$645<0.1%–