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Blair William & Co

SEC CIK
0000902367
Latest filing
Aug 11, 2026

Holdings in Q3 2021

Holdings as of Sep 30, 2021, filed Nov 12, 2021. Long positions only; changes compare share counts with Q2 2021.

Institution overview
Positions
1,879
−9 vs. Q2 2021
Portfolio value
$29.4B
+$518.7M (+1.8%) vs. Q2 2021
Filed
Nov 12, 2021
SEC
Holdings of Blair William & Co in Q3 2021
SecurityClassSharesValue% of portfolioShare changeActionHistory
MSFTMicrosoft CorpStock3,710,584$1.05B3.6%+41,534+1.1%AddedHistory
AAPLApple Inc.Stock6,488,626$918.1M3.1%+93,565+1.5%AddedHistory
AMZNAmazon Com IncStock267,068$877.3M3.0%+6,246+2.4%AddedHistory
IDXXIDEXX Laboratories IncCOM1,293,903$804.7M2.7%−56,062−4.2%ReducedHistory
DXCMDexcom IncCOM1,203,077$657.9M2.2%−3,705−0.3%ReducedHistory
PYPLPayPal Holdings, Inc.Stock2,233,762$581.2M2.0%+26,520+1.2%AddedHistory
GOOGAlphabet Inc.Stock196,778$524.5M1.8%+1,319+0.7%AddedHistory
VEEVVeeva Systems IncStock1,812,288$522.2M1.8%−37,898−2.0%ReducedHistory
VVisa Inc.Stock2,317,354$516.2M1.8%+3,501+0.2%AddedHistory
DHRDanaher CorpStock1,572,428$478.7M1.6%−38,276−2.4%ReducedHistory
ZTSZoetis Inc.Stock2,421,542$470.1M1.6%−14,435−0.6%ReducedHistory
DOCUDocuSign, Inc.Stock1,721,802$443.2M1.5%+63,498+3.8%AddedHistory
MAMastercard IncStock1,229,264$427.4M1.5%+33,662+2.8%AddedHistory
SBUXStarbucks CorpStock3,710,110$409.3M1.4%−28,553−0.8%ReducedHistory
ADBEAdobe Inc.Stock661,848$381.0M1.3%−17,056−2.5%ReducedHistory
WDAYWorkday, Inc.CL A1,491,930$372.8M1.3%+35,576+2.4%AddedHistory
GOOGLAlphabet Inc.Stock123,283$329.6M1.1%+922+0.8%AddedHistory
CRMSalesforce, Inc.Stock1,101,775$298.8M1.0%+68,708+6.7%AddedHistory
JPMJPMorgan Chase & CoStock1,656,823$271.2M0.9%+37,097+2.3%AddedHistory
KMXCarMax IncCOM2,112,281$270.3M0.9%+37,289+1.8%AddedHistory
ECLEcolab Inc.Stock1,257,912$262.4M0.9%−144,587−10.3%ReducedHistory
INTUIntuit Inc.Stock448,365$241.9M0.8%+2,163+0.5%AddedHistory
CSGPCostar Group, Inc.COM2,723,906$234.4M0.8%+48,540+1.8%AddedHistory
SPYSPDR S&P 500 ETF TrustETF544,241$233.6M0.8%+10,805+2.0%AddedHistory
ABTAbbott LaboratoriesStock1,817,590$214.7M0.7%+46,776+2.6%AddedHistory
ICEIntercontinental Exchange, Inc.Stock1,858,481$213.4M0.7%+42,793+2.4%AddedHistory
SYKStryker CorpStock804,838$212.3M0.7%+20,276+2.6%AddedHistory
POOLPool CorpCOM485,912$211.1M0.7%+2,934+0.6%AddedHistory
HDHome Depot, Inc.Stock637,766$209.4M0.7%+6,633+1.1%AddedHistory
COSTCostco Wholesale CorpStock442,929$199.0M0.7%−2,237−0.5%ReducedHistory
ACNAccenture plcStock613,755$196.4M0.7%+2,610+0.4%AddedHistory
CPRTCopart IncCOM1,415,235$196.3M0.7%−2,361−0.2%ReducedHistory
AMTAmerican Tower CorpREIT728,999$193.5M0.7%+13,900+1.9%AddedHistory
LULUlululemon athletica inc.Stock474,360$192.0M0.7%+4,559+1.0%AddedHistory
FISVFiserv IncStock1,753,526$190.3M0.6%−104,765−5.6%ReducedHistory
TYLTyler Technologies IncCOM412,866$189.4M0.6%−700−0.2%ReducedHistory
DISWalt Disney CoStock1,085,957$183.7M0.6%−1,207−0.1%ReducedHistory
METAMeta Platforms, Inc.Stock537,769$182.5M0.6%+6,318+1.2%AddedHistory
FASTFastenal CoStock3,526,049$182.0M0.6%+47,989+1.4%AddedHistory
AONAon plcCL A608,795$174.0M0.6%+1,385+0.2%AddedHistory
WSOWatsco IncCOM579,075$153.2M0.5%+6,411+1.1%AddedHistory
JNJJohnson & JohnsonStock948,414$153.2M0.5%−122,349−11.4%ReducedHistory
TREXTrex Co IncCOM1,385,553$141.2M0.5%+144,666+11.7%AddedHistory
ABMDAbiomed IncCOM431,850$140.6M0.5%+10,521+2.5%AddedHistory
OKTAOkta, Inc.CL A580,498$137.8M0.5%+9,326+1.6%AddedHistory
TWLOTwilio IncCL A424,299$135.4M0.5%+16,522+4.1%AddedHistory
UNHUnitedHealth Group IncStock345,374$135.0M0.5%+1,565+0.5%AddedHistory
GWREGuidewire Software, Inc.COM1,134,087$134.8M0.5%+15,268+1.4%AddedHistory
KRNTKornit Digital Ltd.SHS927,613$134.3M0.5%−5,759−0.6%ReducedHistory
CHWYChewy, Inc.CL A1,955,576$133.2M0.5%+380,198+24.1%AddedHistory
PGRProgressive CorpStock1,408,898$127.3M0.4%−29,705−2.1%ReducedHistory
TEAMAtlassian CorpCL A322,085$126.1M0.4%+1,316+0.4%AddedHistory
GSHDGoosehead Insurance, Inc.COM CL A795,061$121.1M0.4%+21,481+2.8%AddedHistory
ABBVAbbVie Inc.Stock1,114,233$120.2M0.4%−80,055−6.7%ReducedHistory
SPTSprout Social, Inc.COM CL A981,590$119.7M0.4%−20,757−2.1%ReducedHistory
TDGTransDigm Group INCCOM181,550$113.4M0.4%−1,601−0.9%ReducedHistory
iShares Core S&P 500 ETF464287200ETF261,675$112.7M0.4%−1,985−0.8%Reduced–
NOWServiceNow, Inc.Stock180,732$112.5M0.4%+5,865+3.4%AddedHistory
SPLKSplunk IncCOM777,091$112.5M0.4%+16,615+2.2%AddedHistory
APHAmphenol CorpCL A1,525,219$111.7M0.4%−13,959−0.9%ReducedHistory
CTASCintas CorpStock292,249$111.2M0.4%+4,754+1.7%AddedHistory
WMTWalmart Inc.Stock796,263$111.0M0.4%+17,525+2.3%AddedHistory
BXBlackstone Inc.COM953,168$110.9M0.4%+13,160+1.4%AddedHistory
PGProcter & Gamble CoStock790,668$110.5M0.4%−37,628−4.5%ReducedHistory
NVDANVIDIA CorpStock506,329$104.9M0.4%00.0%UnchangedConverted for a 4-for-1 splitHistory
EWEdwards Lifesciences CorpStock923,784$104.6M0.4%−629−0.1%ReducedHistory
UNPUnion Pacific CorpStock530,724$104.0M0.4%+41,807+8.6%AddedHistory
AXPAmerican Express CoStock607,764$101.8M0.3%+18,869+3.2%AddedHistory
FTVFortive CorpStock1,441,018$101.7M0.3%−37,517−2.5%ReducedHistory
Vanguard Ftse Developed Markets ETF921943858ETF2,009,901$101.5M0.3%−48,021−2.3%Reduced–
ITWIllinois Tool Works IncStock481,628$99.5M0.3%−3,415−0.7%ReducedHistory
YETIYETI Holdings, Inc.COM1,154,461$98.9M0.3%+123,881+12.0%AddedHistory
KOCoca Cola CoStock1,847,401$96.9M0.3%+103,550+5.9%AddedHistory
ABNBAirbnb, Inc.Stock573,498$96.2M0.3%+296,043+106.7%AddedHistory
AMEAmetek IncCOM766,940$95.1M0.3%+4,013+0.5%AddedHistory
MDBMongoDB, Inc.CL A191,955$90.5M0.3%+4,356+2.3%AddedHistory
ISRGIntuitive Surgical IncCOM NEW90,925$90.4M0.3%+2,003+2.3%AddedHistory
VRSKVerisk Analytics, Inc.COM444,914$89.1M0.3%−23,557−5.0%ReducedHistory
ROKRockwell Automation, IncStock300,918$88.5M0.3%+9,901+3.4%AddedHistory
Vanguard Dividend Appreciation ETF921908844ETF568,223$87.3M0.3%+3,155+0.6%Added–
ALGNAlign Technology IncCOM129,776$86.4M0.3%+208+0.2%AddedHistory
TMOThermo Fisher Scientific Inc.Stock150,765$86.1M0.3%−1,289−0.8%ReducedHistory
BRK.BBerkshire Hathaway IncStock314,155$85.7M0.3%+7,665+2.5%AddedHistory
MCDMcDonalds CorpStock353,071$85.1M0.3%+9,314+2.7%AddedHistory
LINLinde PLCSHS282,827$83.0M0.3%−922−0.3%ReducedHistory
UUnity Software Inc.COM629,398$79.5M0.3%+197,184+45.6%AddedHistory
EVHEvolent Health, Inc.CL A2,558,185$79.3M0.3%+39,296+1.6%AddedHistory
NKENIKE, Inc.Stock545,413$79.2M0.3%+3,874+0.7%AddedHistory
RMDResmed IncCOM299,428$78.9M0.3%+4,934+1.7%AddedHistory
NFLXNetflix IncStock127,868$78.0M0.3%+2,282+1.8%AddedHistory
TRMBTrimble Inc.COM915,329$75.3M0.3%+23,909+2.7%AddedHistory
XYZBlock, Inc.CL A313,695$75.2M0.3%+11,603+3.8%AddedHistory
BMYBristol Myers Squibb CoStock1,260,503$74.6M0.3%−174,033−12.1%ReducedHistory
MCHPMicrochip Technology IncStock483,303$74.2M0.3%+4,889+1.0%AddedHistory
GNRCGenerac Holdings Inc.Stock180,061$73.6M0.3%+5,266+3.0%AddedHistory
ATVIActivision Blizzard, Inc.COM946,025$73.2M0.2%−64,164−6.4%ReducedHistory
ROKURoku, IncCOM CL A227,628$71.3M0.2%+28,400+14.3%AddedHistory
ZBRAZebra Technologies CorpCL A135,252$69.7M0.2%−1,653−1.2%ReducedHistory
PEPPepsiCo IncStock463,128$69.7M0.2%+1,108+0.2%AddedHistory
INFOIHS Markit Ltd.SHS590,826$68.9M0.2%+13,761+2.4%AddedHistory

Sold out since Q2 2021 (112)

Positions held at the end of Q2 2021 that are gone from this filing.

The largest 100 of 112 by value last quarter.

Positions of Blair William & Co sold out since Q2 2021
SecurityClassShares in Q2 2021Value in Q2 2021% of portfolio in Q2 2021History
WORKSlack Technologies, Inc.COM CL A312,072$13.8M<0.1%History
PFPTProofpoint IncCOM42,675$7.42M<0.1%History
PPLPPL CorpCOM95,002$2.66M<0.1%History
MXIMMaxim Integrated Products IncCOM23,496$2.48M<0.1%History
Twitter, Inc.90184LAD4NOTE 1.000% 9/1–$2.31M<0.1%–
KYNBKyntra Bio, Inc.COM72,350$1.93M<0.1%History
TLNDTalend S.A.ADS25,024$1.64M<0.1%History
MNDTMandiant, Inc.COM72,528$1.47M<0.1%History
TLMDSOC Telemed, Inc.COM CL A128,400$731.0K<0.1%History
HRCHill-Rom Holdings, Inc.COM6,074$690.0K<0.1%History
AGLagilon health, inc.COM15,000$609.0K<0.1%History
ALSNAllison Transmission Holdings IncStock15,176$603.0K<0.1%History
CLVSClovis Oncology, Inc.COM100,950$586.0K<0.1%History
JDJD.com, Inc.SPON ADS CL A7,122$568.0K<0.1%History
RIORio Tinto PLCADR6,677$560.0K<0.1%History
TFXTeleflex IncCOM1,389$558.0K<0.1%History
CAI International, Inc.12477X106COM9,806$549.0K<0.1%–
XENTIntersect ENT, Inc.COM29,564$505.0K<0.1%History
LOTZCarLotz, Inc.COM CL A91,919$502.0K<0.1%History
HLIHoulihan Lokey, Inc.CL A5,904$483.0K<0.1%History
WOLFWolfspeed, Inc.COM4,732$463.0K<0.1%History
VMEOVimeo, Inc.COMMON STOCK9,184$450.0K<0.1%History
OTLYOatly Group ABSPONSORED ADS18,360$449.0K<0.1%History
UPWKUpwork, IncCOM7,688$448.0K<0.1%History
MASIMasimo CorpCOM1,845$447.0K<0.1%History
THOThor Industries IncCOM3,926$444.0K<0.1%History
IXOrix CorpSPONSORED ADR5,244$444.0K<0.1%History
LYRALyra Therapeutics, Inc.COM55,000$442.0K<0.1%History
BOHBank of Hawaii CorpCOM5,138$433.0K<0.1%History
AINAlbany International CorpCL A4,434$396.0K<0.1%History
NVCRNovoCure LtdORD SHS1,775$394.0K<0.1%History
NTESNetEase, Inc.SPONSORED ADS3,286$379.0K<0.1%History
AWIArmstrong World Industries IncCOM3,482$373.0K<0.1%History
JEFJefferies Financial Group Inc.COM10,654$364.0K<0.1%History
HGENHumanigen, IncCOM NEW20,000$348.0K<0.1%History
CVLTCommvault Systems IncCOM4,300$336.0K<0.1%History
VanEck ETF Trust92189F528VANECK SHRT MUNI18,449$333.0K<0.1%–
Gores Holdings VI Inc38286R105COM CL A20,100$326.0K<0.1%–
FIZZNational Beverage CorpCOM6,776$320.0K<0.1%History
WDFCWD 40 CoCOM1,235$317.0K<0.1%History
BZUNBaozun Inc.SPONSORED ADR8,444$299.0K<0.1%History
ZUMZZumiez IncCOM6,050$296.0K<0.1%History
CGNTCognyte Software Ltd.ORD SHS11,960$293.0K<0.1%History
CACICACI International IncCL A1,085$277.0K<0.1%History
ALXNAlexion Pharmaceuticals, Inc.COM1,486$273.0K<0.1%History
HBIHanesbrands Inc.COM14,546$272.0K<0.1%History
MFNCMackinac Financial CorpCOM13,768$272.0K<0.1%History
SNYSanofiSPONSORED ADR4,982$262.0K<0.1%History
HBTHBT Financial, Inc.COM14,500$252.0K<0.1%History
BEBloom Energy CorpCOM CL A9,268$249.0K<0.1%History
HOMEAt Home Group Inc.COM6,720$248.0K<0.1%History
XECCimarex Energy CoCOM3,406$247.0K<0.1%History
NVRNVR IncCOM48$239.0K<0.1%History
BFHBread Financial Holdings, Inc.COM2,288$238.0K<0.1%History
BKHBlack Hills CorpCOM3,574$235.0K<0.1%History
Atlantica Sustainable Infr PG0751N103SHS6,274$234.0K<0.1%–
CLNEClean Energy Fuels Corp.COM22,950$233.0K<0.1%History
SYBTStock Yards Bancorp, Inc.COM4,533$231.0K<0.1%History
BIPCBrookfield Infrastructure CorpCOM SB VTG SHS A3,041$229.0K<0.1%History
BIGGQFormer BL Stores IncCOM3,461$228.0K<0.1%History
INVHInvitation Homes Inc.COM6,053$226.0K<0.1%History
Clover Health Investments, Corp.18914F111*W EXP 04/21/20243,749$223.0K<0.1%–
NVTAInvitae CorpCOM6,599$223.0K<0.1%History
WESWestern Midstream Partners, LPCOM UNIT LP INT10,175$218.0K<0.1%History
MUFGMitsubishi Ufj Financial Group IncSPONSORED ADS40,000$217.0K<0.1%History
ASBAssociated Banc-CorpCOM10,619$217.0K<0.1%History
ROADConstruction Partners, Inc.COM CL A6,760$212.0K<0.1%History
LDOSLeidos Holdings, Inc.COM2,092$212.0K<0.1%History
Lightspeed Pos Inc53227R106SUB VTG SHS2,517$210.0K<0.1%–
Redwood Tr Inc758075AC9NOTE 4.750% 8/1–$210.0K<0.1%–
ETF Ser Solutions26922A172NATIONWIDE RSK7,400$208.0K<0.1%–
PETQPetIQ, Inc.COM CL A5,308$205.0K<0.1%History
SSDSimpson Manufacturing Co., Inc.COM1,840$203.0K<0.1%History
IAAIAA, Inc.COM3,685$201.0K<0.1%History
OGSONE Gas, Inc.COM2,705$200.0K<0.1%History
PDC Energy, Inc.69327RAD3NOTE 1.125% 9/1–$198.0K<0.1%–
Starz Entertainment Corp535919401CL A VTG8,500$176.0K<0.1%–
CLSKCleanspark, Inc.COM NEW10,100$168.0K<0.1%History
OROR Royalties Inc.COM11,265$154.0K<0.1%History
Global X FDS37954Y475S&P 500 COVERED2,064$101.0K<0.1%–
Vanguard World FD921910873MEGA CAP INDEX619$94.0K<0.1%–
VBIVVBI Vaccines Inc/BCCOM NEW27,015$91.0K<0.1%History
MCFContango Oil & Gas CoCOM NEW16,000$69.0K<0.1%History
ASMBAssembly Biosciences, Inc.COM16,000$62.0K<0.1%History
SPDR Series Trust78464A664ST LON TREAS ETF1,334$55.0K<0.1%–
Starz Entertainment Corp535919500CL B NON VTG2,517$46.0K<0.1%–
VTGNVistagen Therapeutics, Inc.COM NEW12,200$38.0K<0.1%History
SPDR Index Shs FDS78463X533ST MAR DIVID ETF1,117$33.0K<0.1%–
ARIApollo Commercial Real Estate Finance, Inc.COM2,000$32.0K<0.1%History
Flexshares Tr33939L506IBOXX 3R TARGT1,212$32.0K<0.1%–
TLPHTalphera, Inc.COM21,250$29.0K<0.1%History
First Tr Exchange-Traded FD33734X119CONSUMR STAPLE500$28.0K<0.1%–
U.S. Global Jets ETF26922A842ETF1,087$26.0K<0.1%–
Invesco Exchange Traded FD T46137V308BUYBACK ACHIEV164$15.0K<0.1%–
VanEck ETF Trust92189F460CEF MUNI INCOME474$14.0K<0.1%–
SUPNSupernus Pharmaceuticals, Inc.COM440$14.0K<0.1%History
Invesco Exchange Traded FD T46137V563HIG YLD EQ DIV650$13.0K<0.1%–
Invesco Exchange Traded FD T46137V860DWA FINL MUMT250$13.0K<0.1%–
iShares Tr464288711GLOB UTILITS ETF190$11.0K<0.1%–
WisdomTree Tr97717X560EQUITY PREMIUM344$11.0K<0.1%–