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Livermore
Livermore
ZHEN

Blair William & Co

SEC CIK
0000902367
Latest filing
Aug 11, 2026

Holdings in Q3 2023

Holdings as of Sep 30, 2023, filed Nov 9, 2023. Long positions only; changes compare share counts with Q2 2023.

Institution overview
Positions
1,791
−18 vs. Q2 2023
Portfolio value
$26.1B
−$1.22B (−4.5%) vs. Q2 2023
Filed
Nov 9, 2023
SEC
Holdings of Blair William & Co in Q3 2023
SecurityClassSharesValue% of portfolioShare changeActionHistory
MSFTMicrosoft CorpStock3,644,707$1.15B4.4%−32,166−0.9%ReducedHistory
AAPLApple Inc.Stock6,249,794$1.07B4.1%−205,229−3.2%ReducedHistory
AMZNAmazon Com IncStock5,764,104$732.7M2.8%+63,916+1.1%AddedHistory
IDXXIDEXX Laboratories IncCOM1,199,945$524.7M2.0%+7,812+0.7%AddedHistory
VVisa Inc.Stock2,204,975$507.2M1.9%−1,410−0.1%ReducedHistory
MAMastercard IncStock1,202,061$475.9M1.8%+2,144+0.2%AddedHistory
GOOGAlphabet Inc.Stock3,495,785$460.9M1.8%−28,538−0.8%ReducedHistory
ZTSZoetis Inc.Stock2,428,509$422.5M1.6%+32,918+1.4%AddedHistory
DXCMDexcom IncCOM4,507,153$420.5M1.6%+73,654+1.7%AddedHistory
DHRDanaher CorpStock1,685,504$418.2M1.6%+23,382+1.4%AddedHistory
ADBEAdobe Inc.Stock682,209$347.9M1.3%+10,914+1.6%AddedHistory
WDAYWorkday, Inc.CL A1,578,594$339.2M1.3%+5,290+0.3%AddedHistory
GOOGLAlphabet Inc.Stock2,487,205$325.5M1.2%+2,684+0.1%AddedHistory
CSGPCostar Group, Inc.COM4,191,009$322.2M1.2%+251,182+6.4%AddedHistory
COSTCostco Wholesale CorpStock562,827$318.0M1.2%+7,548+1.4%AddedHistory
JPMJPMorgan Chase & CoStock2,173,510$315.2M1.2%+43,479+2.0%AddedHistory
SPYSPDR S&P 500 ETF TrustETF704,929$301.3M1.2%−12,802−1.8%ReducedHistory
VEEVVeeva Systems IncStock1,466,121$298.3M1.1%+12,709+0.9%AddedHistory
WSOWatsco IncCOM770,476$291.0M1.1%+4,997+0.7%AddedHistory
POOLPool CorpCOM777,707$276.9M1.1%+12,389+1.6%AddedHistory
SYKStryker CorpStock877,535$239.8M0.9%+2,376+0.3%AddedHistory
AONAon plcCL A725,329$235.2M0.9%+6,145+0.9%AddedHistory
CPRTCopart IncCOM5,295,279$228.2M0.9%−44,187−0.8%ReducedConverted for a 2-for-1 splitHistory
INTUIntuit Inc.Stock437,563$223.6M0.9%+6,572+1.5%AddedHistory
FISVFiserv IncStock1,974,094$223.0M0.9%−15,204−0.8%ReducedHistory
SBUXStarbucks CorpStock2,404,703$219.5M0.8%−181,149−7.0%ReducedHistory
PGRProgressive CorpStock1,518,361$211.5M0.8%−66,357−4.2%ReducedHistory
HDHome Depot, Inc.Stock686,881$207.5M0.8%+7,754+1.1%AddedHistory
ICEIntercontinental Exchange, Inc.Stock1,868,307$205.6M0.8%+25,879+1.4%AddedHistory
ACNAccenture plcStock618,948$190.1M0.7%−8,075−1.3%ReducedHistory
UNHUnitedHealth Group IncStock370,156$186.6M0.7%+3,555+1.0%AddedHistory
TYLTyler Technologies IncCOM468,191$180.8M0.7%−3,129−0.7%ReducedHistory
FASTFastenal CoStock3,281,255$179.3M0.7%−20,869−0.6%ReducedHistory
LLYEli Lilly & CoStock328,452$176.4M0.7%−1,679−0.5%ReducedHistory
NOWServiceNow, Inc.Stock311,462$174.1M0.7%+4,521+1.5%AddedHistory
CRMSalesforce, Inc.Stock821,761$166.6M0.6%+6,888+0.8%AddedHistory
ABTAbbott LaboratoriesStock1,713,606$166.0M0.6%−130,373−7.1%ReducedHistory
ECLEcolab Inc.Stock947,050$160.4M0.6%−1590.0%ReducedHistory
ABBVAbbVie Inc.Stock1,069,941$159.5M0.6%−12,596−1.2%ReducedHistory
NVDANVIDIA CorpStock361,346$157.2M0.6%−55,423−13.3%ReducedHistory
iShares Core S&P 500 ETF464287200ETF355,174$152.5M0.6%+5,183+1.5%Added–
JNJJohnson & JohnsonStock965,580$150.4M0.6%−40,054−4.0%ReducedHistory
PANWPalo Alto Networks IncStock624,659$146.4M0.6%+75,911+13.8%AddedHistory
TDGTransDigm Group INCCOM172,506$145.4M0.6%+1,940+1.1%AddedHistory
PGProcter & Gamble CoStock935,317$136.4M0.5%+8,695+0.9%AddedHistory
CTASCintas CorpStock279,407$134.4M0.5%−6,917−2.4%ReducedHistory
APHAmphenol CorpCL A1,544,770$129.7M0.5%+3640.0%AddedHistory
Vanguard Ftse Developed Markets ETF921943858ETF2,958,644$129.4M0.5%+12,464+0.4%Added–
WMTWalmart Inc.Stock802,629$128.4M0.5%+23,954+3.1%AddedHistory
RYANRyan Specialty Holdings, Inc.CL A2,650,891$128.3M0.5%+119,822+4.7%AddedHistory
DEDeere & CoStock330,219$124.6M0.5%−4,193−1.3%ReducedHistory
BRK.BBerkshire Hathaway IncStock355,627$124.6M0.5%+3,699+1.1%AddedHistory
CVXChevron CorpStock713,634$120.3M0.5%+45,801+6.9%AddedHistory
UBERUber Technologies, IncStock2,604,920$119.8M0.5%+148,871+6.1%AddedHistory
BXBlackstone Inc.COM1,080,917$115.8M0.4%+8,608+0.8%AddedHistory
ROKRockwell Automation, IncStock392,344$112.2M0.4%+20,308+5.5%AddedHistory
LULUlululemon athletica inc.Stock290,658$112.1M0.4%+5,403+1.9%AddedHistory
AMTAmerican Tower CorpREIT677,146$111.4M0.4%−59,740−8.1%ReducedHistory
ISRGIntuitive Surgical IncCOM NEW377,371$110.3M0.4%+11,400+3.1%AddedHistory
Vanguard Dividend Appreciation ETF921908844ETF705,919$109.7M0.4%+38,002+5.7%Added–
AMEAmetek IncCOM730,819$108.0M0.4%−7,398−1.0%ReducedHistory
KOCoca Cola CoStock1,927,873$107.9M0.4%−174,292−8.3%ReducedHistory
UNPUnion Pacific CorpStock525,232$107.0M0.4%−11,919−2.2%ReducedHistory
AXPAmerican Express CoStock710,686$106.0M0.4%+10,130+1.4%AddedHistory
IRTCiRhythm Holdings, Inc.COM1,111,417$104.8M0.4%+68,983+6.6%AddedHistory
ITWIllinois Tool Works IncStock438,197$100.9M0.4%−16,666−3.7%ReducedHistory
LINLinde PLCStock265,517$98.9M0.4%+14,782+5.9%AddedHistory
VRSKVerisk Analytics, Inc.COM403,674$95.4M0.4%−7,968−1.9%ReducedHistory
Vanguard Ftse All-World Ex-US Index Fund922042775ETF1,826,906$94.8M0.4%+65,525+3.7%Added–
Vanguard Morningstar Value ETF922908744ETF657,351$90.7M0.3%−13,418−2.0%Reduced–
MCDMcDonalds CorpStock340,295$89.6M0.3%+1,699+0.5%AddedHistory
CMGChipotle Mexican Grill IncCOM48,448$88.7M0.3%+3,182+7.0%AddedHistory
PEPPepsiCo IncStock519,172$88.0M0.3%+1,064+0.2%AddedHistory
MDBMongoDB, Inc.CL A250,086$86.5M0.3%−10,391−4.0%ReducedHistory
PEverpure, Inc.CL A2,378,509$84.7M0.3%+45,925+2.0%AddedHistory
MCHPMicrochip Technology IncStock1,080,095$84.3M0.3%+30,159+2.9%AddedHistory
METAMeta Platforms, Inc.Stock273,273$82.0M0.3%+19,633+7.7%AddedHistory
TMOThermo Fisher Scientific Inc.Stock155,288$78.6M0.3%+2,483+1.6%AddedHistory
EVHEvolent Health, Inc.CL A2,851,007$77.6M0.3%+399,884+16.3%AddedHistory
FLYWFlywire CorpCOM VTG2,432,155$77.6M0.3%+167,291+7.4%AddedHistory
iShares Core S&P US Value ETF464287663ETF1,016,314$75.8M0.3%−884−0.1%Reduced–
PWSCPowerschool Holdings, Inc.COM CL A3,310,993$75.0M0.3%+248,612+8.1%AddedHistory
MRKMerck & Co., Inc.Stock722,595$74.4M0.3%+4,288+0.6%AddedHistory
SCHWSchwab Charles CorpStock1,335,825$73.3M0.3%+238,399+21.7%AddedHistory
ROLRollins IncCOM1,944,226$72.6M0.3%+59,131+3.1%AddedHistory
Invesco QQQ Trust Series I46090E103ETF199,661$71.5M0.3%+2,494+1.3%Added–
GWREGuidewire Software, Inc.COM786,939$70.8M0.3%−152,280−16.2%ReducedHistory
EWEdwards Lifesciences CorpStock1,005,275$69.6M0.3%−56,394−5.3%ReducedHistory
ADPAutomatic Data Processing IncStock287,491$69.2M0.3%+740+0.3%AddedHistory
SPLKSplunk IncCOM458,839$67.1M0.3%−45,724−9.1%ReducedHistory
SPGIS&P Global Inc.Stock183,516$67.1M0.3%+4,999+2.8%AddedHistory
LYVLive Nation Entertainment, Inc.COM806,938$67.0M0.3%−3,453−0.4%ReducedHistory
Vanguard S&P 500 ETF922908363ETF169,555$66.6M0.3%+7,999+5.0%Added–
KMXCarMax IncCOM940,931$66.6M0.3%−3,923−0.4%ReducedHistory
NEOGNeogen CorpCOM3,583,502$66.4M0.3%+217,419+6.5%AddedHistory
BMYBristol Myers Squibb CoStock1,128,568$65.5M0.3%−58,545−4.9%ReducedHistory
iShares Russell 2000 ETF464287655ETF368,147$65.1M0.2%+30,429+9.0%Added–
ORLYO Reilly Automotive IncStock70,509$64.1M0.2%−1,771−2.5%ReducedHistory
XOMExxonMobil Holdings CorpCOM544,222$64.0M0.2%+16,852+3.2%AddedHistory
WisdomTree Tr97717Y527FLOATNG RAT TREA1,266,168$63.7M0.2%+11,266+0.9%Added–

Sold out since Q2 2023 (88)

Positions held at the end of Q2 2023 that are gone from this filing.

Positions of Blair William & Co sold out since Q2 2023
SecurityClassShares in Q2 2023Value in Q2 2023% of portfolio in Q2 2023History
ATVIActivision Blizzard, Inc.COM244,605$20.6M0.1%History
MMPMagellan Midstream Partners, L.P.COM UNIT RP LP182,575$11.4M<0.1%History
AGILAgileThought, Inc.CLASS A COM1,610,462$1.21M<0.1%History
SYMSymbotic Inc.Stock28,030$1.20M<0.1%History
SNYSanofiSPONSORED ADR18,149$978.2K<0.1%History
RAMPLiveRamp Holdings, Inc.COM29,352$838.3K<0.1%History
BKIBlack Knight, Inc.COM12,851$767.6K<0.1%History
NATINational Instruments CorpCOM12,090$694.0K<0.1%History
ATECAlphatec Holdings, Inc.COM NEW37,575$675.6K<0.1%History
LTCHLatch, Inc.COM443,646$616.7K<0.1%History
BXSLBlackstone Secured Lending FundCOMMON STOCK22,317$610.6K<0.1%History
Goldman Sachs ETF Tr381430362ACCESS INFLATI11,135$546.7K<0.1%–
MKTXMarketaxess Holdings IncCOM2,062$539.0K<0.1%History
KMPRKEMPER CorpCOM10,581$510.6K<0.1%History
DENDenbury IncCOM5,901$509.0K<0.1%History
RELXRELX PLCSPONSORED ADR13,212$441.7K<0.1%History
NCNOnCino, Inc.COM13,811$416.0K<0.1%History
MKSIMKS IncCOM3,830$414.0K<0.1%History
WHWyndham Hotels & Resorts, Inc.COM5,823$399.3K<0.1%History
MASIMasimo CorpCOM2,419$398.0K<0.1%History
PRCTPROCEPT BioRobotics CorpCOM10,820$382.5K<0.1%History
SYNHSyneos Health, Inc.CL A9,029$380.5K<0.1%History
EXPEExpedia Group, Inc.Stock3,378$369.5K<0.1%History
HZNPHorizon Therapeutics Public Ltd CoSHS3,521$362.1K<0.1%History
COURCoursera, Inc.COM26,430$344.1K<0.1%History
NUVANuvasive IncCOM8,252$343.2K<0.1%History
NVCRNovoCure LtdORD SHS7,406$307.3K<0.1%History
HCATHealth Catalyst, Inc.COM24,200$302.5K<0.1%History
LTCLTC Properties IncREIT8,825$291.4K<0.1%History
HBMHudbay Minerals Inc.COM60,676$291.2K<0.1%History
GHIGreystone Housing Impact Investors LPBEN UNIT CTF17,284$284.8K<0.1%History
EWBCEast West Bancorp IncCOM5,393$284.7K<0.1%History
QUREuniQure N.V.SHS24,209$277.4K<0.1%History
STLAStellantis N.V.SHS15,664$274.8K<0.1%History
BOOTBoot Barn Holdings, Inc.COM3,192$270.3K<0.1%History
NXRTNexPoint Residential Trust, Inc.COM5,855$266.3K<0.1%History
RBLXRoblox CorpStock6,364$256.5K<0.1%History
UHAL.BU-Haul Holding CoCOM SER N4,910$248.8K<0.1%History
UHSUniversal Health Services IncCL B1,560$246.1K<0.1%History
XRAYDentsply Sirona Inc.Stock6,127$245.2K<0.1%History
PPLIPeople IncCOM NEW3,886$244.0K<0.1%History
Conyers Park III Acqsitn Cor21289P102CLASS A COM23,900$244.0K<0.1%–
EPREpr PropertiesCOM SH BEN INT4,965$232.4K<0.1%History
KRTKarat Packaging Inc.COM12,121$221.2K<0.1%History
CROXCrocs, Inc.COM1,923$216.2K<0.1%History
AAAlcoa CorpStock6,371$216.2K<0.1%History
LGIHLGI Homes, Inc.COM1,584$213.7K<0.1%History
LKQLKQ CorpCOM3,462$201.7K<0.1%History
MMIMarcus & Millichap, Inc.COM6,379$201.0K<0.1%History
BASECouchbase, Inc.COM11,900$188.3K<0.1%History
PMTPennyMac Mortgage Investment TrustCOM12,949$174.6K<0.1%History
Fidelity Covington Trust316092782VLU FACTOR ETF3,524$173.0K<0.1%–
Liberty Media Corp Del531229607COM C SIRIUSXM4,681$153.2K<0.1%–
Ready Capital Corp75574U2007% CN SR NT 20235,332$133.9K<0.1%–
PRPermian Resources CorpCLASS A COM10,082$110.5K<0.1%History
Goldman Sachs ETF Tr381430404ACTIVEBETA JAP3,240$110.2K<0.1%–
Invesco Exchange Traded FD T46137V407INVESCO MSCI2,220$108.8K<0.1%–
WTWisdomTree, Inc.COM13,000$89.2K<0.1%History
ORGNOrigin Materials, Inc.COM20,000$85.2K<0.1%History
Invesco Exchange Traded FD T46137V845DORSEY WRGT INDS761$80.1K<0.1%–
RCReady Capital CorpCOM5,792$65.3K<0.1%History
First Tr Exchange-Traded FD33739Q408FIRST TR ENH NEW1,085$64.5K<0.1%–
EMANEmagin CorpCOM NEW20,000$39.6K<0.1%History
First Tr Exchange-Traded FD33738D804LTD DUR INVT ETF1,907$35.5K<0.1%–
Sports Entertainment Gaming Global Corp54570M108COM173,132$34.2K<0.1%–
Liberty Media Corp531229409COM A SIRIUSXM627$20.6K<0.1%–
Invesco Exchange Traded FD T46137V563HIG YLD EQ DIV1,000$19.2K<0.1%–
SPDR Series Trust78464A292ST STR PFD ETF430$14.4K<0.1%–
VanEck Vectors ETF Tr92189F759CHINA GRWTH LEAD600$13.8K<0.1%–
SPDR Series Trust78464A714ST STR SP RETAIL181$11.6K<0.1%–
First Tr Exchange-Traded FD33738D408FIRST TR TA HIYL277$11.0K<0.1%–
ASTRAstra Space, Inc.Common Stock27,650$10.2K<0.1%History
TRVNTrevena IncCOM NEW10,000$8.81K<0.1%History
DBGIDigital Brands Group, Inc.COM NEW10,255$6.75K<0.1%History
CELLBruker Cellular Analysis, Inc.COM12,850$6.30K<0.1%History
MNTSMomentus Inc.COM CL A17,268$5.44K<0.1%History
HLGNHeliogen, Inc.COMMON STOCK20,954$5.13K<0.1%History
ProShares Tr74347B680S&P MDCP 400 DIV70$4.94K<0.1%–
ProShares Tr74347R370PSHS SH MSCI EAF251$4.51K<0.1%–
Invesco Exchange Traded FD T46137V811DORSEY WRGT TECH30$4.42K<0.1%–
ProShares Tr74347X823ULTRPRO DOW3050$2.98K<0.1%–
Invesco Exchange Traded FD T46137V449S&P 100 EQL WIGH27$2.20K<0.1%–
Alps ETF Tr00162Q593MED BREAKTHGH35$1.10K<0.1%–
Conyers Park III Acqsitn Cor21289P110*W EXP 08/12/20219,138$957<0.1%–
VanEck Vectors ETF Tr92189F205STEEL ETF12$768<0.1%–
ETF Ser Solutions26922A172NATIONWIDE RSK35$754<0.1%–
Tidewater Inc88642R117*W EXP 07/31/20243$50<0.1%–
Tidewater Inc88642R125*W EXP 07/31/20246$9<0.1%–