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Disclosery

COST COSTCO WHOLESALE CORPORATION

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COM (common), issuer CIK 909832

4,199 managers (4,277 13F filers) reported a position in COST shares at 2026-03-31, 320,332,877 shares in all. 249 filers opened a position and 127 filers sold out during the quarter.

Managers
4,199
13F filers
4,277
New
249
Added
1,798
Reduced
1,638
Sold out
127
Shares held by filers
320,332,877

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

The latest Form 4 transactions, non-derivative.
OwnerDateSharesPriceFiling
Wilcox William Richardofficer (Executive Vice President)2026-10-13-1,100 S$958.205Form 4

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
ING GROEP NV139,152$139M0.85%+86,43413F-HRTimeline
Cambridge Investment Research Advisors,…138,765$138M0.36%+1,82613F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC137,545$137M0.43%-4,54413F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC136,538$136M0.1%-155,35813F-HRTimelineGroup
KBC Group NVin group KBC Group NV135,805$135M0.34%-33613F-HRTimelineGroup
STEGINSKY CAPITAL LLC135,431$135M22.3%+3,23613F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC134,581$134M1.07%-19,65713F-HRTimelineGroup
Woodline Partners LP133,545$133M0.5%+57,93013F-HR/ATimeline
Nan Shan Life Insurance Co., Ltd.131,842$131M4.76%+31,33613F-HRTimeline
Epoch Investment Partners, Inc.131,518$131M0.79%-21,89513F-HRTimeline
Tredje AP-fonden131,195$131M0.71%+80,77513F-HRTimeline
XPONANCE LLC130,896$130M0.93%+8,46513F-HRTimeline
Janney Montgomery Scott LLC130,438$130M0.32%-2,98713F-HRTimeline
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP128,535$128M0.1%+89713F-HRTimelineGroup
DAVENPORT & Co LLC126,630$126M0.7%-23213F-HRTimeline
BRADLEY FOSTER & SARGENT INC/CT125,178$125M1.94%-1,66013F-HR/ATimeline
GLENMEDE TRUST CO NAin group GLENMEDE TRUST CO NA125,090$125M0.61%-83213F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…123,754$123M0.63%-3,90513F-HRTimelineGroup
O'SHAUGHNESSY ASSET MANAGEMENT, LLC123,162$123M0.62%+38,67013F-HRTimeline
MARSICO CAPITAL MANAGEMENT LLC122,850$122M3.6%-4,86013F-HRTimeline
STRS OHIO121,931$121M0.48%-5,86313F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM121,612$121M0.71%-4,80513F-HRTimeline
Czech National Bank120,886$120M0.79%+4,02613F-HRTimeline
Lazard Freres Gestion S.A.S.120,863$120M2.37%+5,23013F-HRTimeline
Lido Advisors, LLCin group Lido Advisors, LLC120,300$120M0.47%+5,42813F-HRTimelineGroup
BI Asset Management Fondsmaeglerselskab…in group BI Asset Management Fondsmaeg…120,219$120M1.25%+19,95213F-HRTimelineGroup
STATE OF MICHIGAN RETIREMENT SYSTEM119,669$119M0.63%-50,10013F-HRTimeline
IEQ CAPITAL, LLC119,168$119M0.55%+25,93113F-HRTimeline
Federation des caisses Desjardins du Qu…118,736$118M0.43%+15,44313F-HRTimeline
Bank Pictet & Cie (Europe) AG117,254$117M2.49%013F-HRTimeline
&PARTNERS117,478$117M0.58%+4,47613F-HRTimeline
COMMERCE BANKin group COMMERCE BANK116,977$117M0.56%+5,04213F-HRTimelineGroup
MML INVESTORS SERVICES, LLC116,974$117M0.32%-16,89213F-HRTimeline
Employees Retirement System of Texas116,761$116M1.02%-10,15413F-HRTimeline
WEDBUSH SECURITIES INC116,389$116M3.38%+1,73613F-HRTimeline
Zurich Insurance Group Ltd/FIin group Zurich Insurance Group Ltd/FI114,906$114M0.9%new13F-HRTimelineGroup
Boston Trust Walden Corpgroup of 2 filers holding113,179$113M-2,909Timeline
NISA INVESTMENT ADVISORS, LLC113,082$113M0.42%-3,45413F-HRTimeline
KCM INVESTMENT ADVISORS LLC112,385$112M3.72%-2,55313F-HRTimeline
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…131,275$111M0.54%+37,29413F-HRTimelineGroup
MENORA MIVTACHIM HOLDINGS LTD.in group MENORA MIVTACHIM HOLDINGS LTD.110,600$110M0.52%new13F-HRTimelineGroup
OPPENHEIMER ASSET MANAGEMENT INC.group of 2 filers holding109,553$109M+3,626Timeline
DAVIS R M INC109,233$109M1.93%+1,49313F-HRTimeline
DNB Asset Management ASin group DNB Asset Management AS107,670$107M0.38%+19,64413F-HRTimelineGroup
MAI Capital Management106,578$106M0.6%+79313F-HRTimeline
BRISTOL JOHN W & CO INC /NY/105,530$105M1.73%-1,93213F-HRTimeline
AMF Tjanstepension AB104,753$104M0.69%+9,83213F-HRTimeline
ASR Vermogensbeheer N.V.104,408$104M1.22%+1,79613F-HRTimeline
PBU - The Pension Fund of Early Childho…103,861$103M1.56%-30,14613F-HR/ATimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…103,396$103M0.52%+31013F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …103,141$103M0.17%+21,15013F-HRTimelineGroup
Sanctuary Advisors, LLC102,748$102M0.55%-5,17613F-HRTimeline
Calamos Advisors LLCgroup of 2 filers holding100,705$100M+4,048Timeline
ATALANTA SOSNOFF CAPITAL, LLCin group ATALANTA SOSNOFF CAPITAL, LLC100,126$99.8M2.14%+24,43413F-HRTimelineGroup
Evercore Wealth Management, LLC100,119$99.8M1.57%-1,11713F-HRTimeline
CI INVESTMENTS INC.in group CI INVESTMENTS INC.99,247$98.9M0.48%+79,71013F-HRTimelineGroup
MOGY JOEL R INVESTMENT COUNSEL INC97,829$97.5M6.1%-76013F-HRTimeline
CLIFFORD SWAN INVESTMENT COUNSEL LLC97,796$97.4M3.32%-1,71813F-HRTimeline
Sequoia Financial Advisors, LLC97,275$96.9M0.54%+8,53113F-HRTimeline
KORNITZER CAPITAL MANAGEMENT INC /KS96,644$96.3M2.07%-1,30213F-HRTimeline
BOWEN HANES & CO INC95,494$95.2M2.32%-20013F-HRTimeline
Public Sector Pension Investment Board95,446$95.1M0.3%+17,96513F-HRTimeline
OP Asset Management Ltd95,065$94.7M0.97%+28,90513F-HR/ATimeline
STOREBRAND ASSET MANAGEMENT AS94,377$94M0.27%+7,88813F-HRTimeline
I.G.Y. Ltd94,326$94M39.95%013F-HRTimeline
Harvest Portfolios Group Inc.94,204$93.9M1.55%+18,51813F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC94,179$93.8M0.37%-1,64913F-HRTimelineGroup
AMALGAMATED BANK93,527$93.2M0.71%-2,78413F-HRTimeline
Rakuten Group, Inc.group of 2 filers holding92,239$91.9M+9,766Timeline
GF FUND MANAGEMENT CO. LTD.91,357$91M1.52%-10,07613F-HRTimeline
NORTHEAST INVESTMENT MANAGEMENT91,179$90.9M3.76%-66413F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…90,459$90.1M0.17%-8,18113F-HRTimelineGroup
REGIONS FINANCIAL CORPin group REGIONS FINANCIAL CORP89,193$88.9M0.58%-2,49013F-HRTimelineGroup
Cullen/Frost Bankers, Inc.in group Cullen/Frost Bankers, Inc.88,448$88.1M1%-1,98413F-HRTimelineGroup
UMB Bank, n.a.88,440$88.1M1.23%-1,51913F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Badgley Phelps Wealth Managers, LLC88,436$88.1M1.75%-2,59813F-HRTimeline
OFI INVEST ASSET MANAGEMENT100,302$87.2M1.15%-34,76013F-HRTimeline
BENJAMIN EDWARDS INCin group BENJAMIN EDWARDS INC85,995$85.7M0.85%-2,08613F-HRTimelineGroup
IFM Investors Pty Ltd85,971$85.7M0.71%+1,84213F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…116,363$85.1M0.19%-10,03913F-HRTimeline
Aware Super Pty Ltd as trustee of Aware…85,043$84.7M1.28%13F-HRTimeline
Alecta Tjanstepension Omsesidigt84,900$84.6M0.41%-22,80013F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC84,762$84.5M0.36%+10,10913F-HRTimeline
NICHOLAS COMPANY, INC.84,494$84.2M1.65%-3,78213F-HRTimeline
JOHNSON INVESTMENT COUNSEL INC84,445$84.1M0.68%-8713F-HRTimeline
Norinchukin Bank, Thein group Norinchukin Bank, The84,074$83.8M0.98%-1,91013F-HRTimelineGroup
HRT FINANCIAL LP83,340$83M0.21%+52,23613F-HRTimeline
DONALDSON CAPITAL MANAGEMENT, LLC83,273$83M2.69%-65413F-HRTimeline
PensionDanmark Pensionsforsikringsaktie…83,159$82.9M0.81%+1,69613F-HRTimeline
QRG CAPITAL MANAGEMENT, INC.82,419$82.1M0.85%+7,80613F-HRTimeline
Midwest Trust Co81,663$81.4M1.01%+5,20013F-HRTimeline
CWM, LLCin group CWM, LLC80,747$80.5M0.21%+9,04213F-HRTimelineGroup
UNITED CAPITAL FINANCIAL ADVISORS, LLCin group UNITED CAPITAL FINANCIAL ADVI…80,677$80.4M0.5%-2,70313F-HRTimelineGroup
PEAPACK GLADSTONE FINANCIAL CORP80,069$79.8M1.02%-83413F-HRTimeline
AGF MANAGEMENT LTDin group AGF MANAGEMENT LTD77,875$77.6M0.35%-68,65213F-HRTimelineGroup
Pinnacle Financial Partners, Inc.in group Pinnacle Financial Partners, …77,853$77.6M0.59%+60013F-HRTimelineGroup
PINEBRIDGE INVESTMENTS LLC76,103$75.8M0.64%-6,20313F-HRTimeline
Private Advisor Group, LLC75,972$75.7M0.35%-2,04813F-HRTimeline
Fiera Capital Corpin group Fiera Capital Corp75,752$75.5M0.26%+18113F-HRTimelineGroup
GATEWAY INVESTMENT ADVISERS LLC75,291$75M0.84%-15,10813F-HRTimeline
VIRGINIA RETIREMENT SYSTEMS ET Al75,287$75M0.56%+48,20013F-HRTimeline
GUARDIAN CAPITAL LPgroup of 2 filers holding75,216$75M+8,630Timeline
Marex Group Ltdin group Marex Group Ltd75,075$74.8M0.78%+72,28813F-HRTimelineGroup
Destination Wealth Management74,773$74.5M1.94%+83413F-HRTimeline
SUMITOMO MITSUI FINANCIAL GROUP, INC.group of 2 filers holding74,252$74M+2,253Timeline
Crestwood Advisors Group, LLC74,073$73.8M1.24%+92713F-HRTimeline
SAPIENT CAPITAL LLC73,737$73.5M1.11%-20,55613F-HR/ATimeline
Allworth Financial LP73,427$73.2M0.3%+5,16313F-HRTimeline
Pacific Heights Asset Management LLC73,000$72.7M2.43%+1,00013F-HRTimeline
Stratos Wealth Partners, LTD.group of 3 filers holding72,195$71.9M-2,855Timeline
Utah Retirement Systems72,165$71.9M0.73%-1,17113F-HRTimeline
USS Investment Management Ltd71,888$71.6M0.28%+1,53913F-HRTimeline
GAMCO Investors (Gabelli)group of 2 filers holding71,838$71.6M-7,329Timeline
iA Global Asset Management Inc.71,228$71M1.01%+15,69913F-HRTimeline
HOLLENCREST CAPITAL MANAGEMENT70,561$70.3M2.62%+2,19813F-HRTimeline
LORD, ABBETT & CO. LLC70,461$70.2M0.23%+1513F-HRTimeline
WHITTIER TRUST CO67,317$68.6M0.77%+2,70113F-HRTimeline
Police & Firemen's Retirement System of…68,264$68M0.58%+27613F-HRTimeline
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD67,965$67.7M0.4%-25,71613F-HRTimelineGroup
BRITISH COLUMBIA INVESTMENT MANAGEMENT …67,867$67.6M0.4%-10,76013F-HRTimeline
Empowered Funds, LLC67,791$67.5M0.43%+28,30113F-HR/ATimeline
Performance Wealth Partners, LLC67,407$67.2M1.95%-42113F-HRTimeline
Chesley Taft & Associates LLC67,245$67M2.8%-1,42213F-HRTimeline
Mediolanum International Funds Ltd67,137$66.9M0.71%+4,75013F-HRTimeline
Lansforsakringar Fondforvaltning AB (pu…67,097$66.9M0.35%-3,34513F-HRTimeline
Wealthfront Advisers LLC66,236$66M0.14%+7,91413F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC66,108$65.9M0.13%+9,15313F-HRTimelineGroup
Ilmarinen Mutual Pension Insurance Co65,985$65.7M0.52%new13F-HRTimeline
WINDWARD CAPITAL MANAGEMENT CO /CA65,652$65.4M5.33%-91713F-HRTimeline
Baskin Financial Services Inc.64,278$64M5.24%-1,60813F-HRTimeline
Varma Mutual Pension Insurance Co63,957$63.7M0.37%-1,50013F-HR/ATimeline
Capital Investment Counsel, Inc63,595$63.4M7.76%-1,39913F-HRTimeline
Maple Capital Management, Inc.63,594$63.4M4.24%-90713F-HRTimeline
Hyperion Asset Management Ltd63,106$62.9M2%-11,74113F-HRTimeline
INVESTMENT HOUSE LLC62,913$62.7M3.26%-62813F-HRTimeline
Kimelman & Baird, LLC62,722$62.5M5.14%-36713F-HRTimeline
Andra AP-fonden62,622$62.4M0.74%+46,34213F-HRTimeline
Apollon Wealth Management, LLCgroup of 2 filers holding62,300$62.1M+7,971Timeline
Nippon Life Global Investors Americas, …62,130$61.9M2.79%-1,56013F-HRTimeline
Smith Group Asset Management, LLC61,895$61.7M3.15%+5,11913F-HRTimeline
New York Life Investment Management LLCin group New York Life Investment Mana…61,672$61.5M0.52%+92513F-HRTimelineGroup
JUPITER ASSET MANAGEMENT LTDin group JUPITER ASSET MANAGEMENT LTD61,258$61M0.33%013F-HRTimelineGroup
FLPUTNAM INVESTMENT MANAGEMENT CO60,783$60.6M0.9%-34213F-HRTimeline
Hosking Partners LLP60,575$60.4M2.16%-6,54313F-HRTimeline
Clearstead Advisors, LLC59,884$59.7M0.55%+12,48913F-HRTimeline
AE Wealth Management LLC59,645$59.4M0.32%-15,02513F-HRTimeline
SHELTON CAPITAL MANAGEMENT59,387$59.2M1.29%-3,54813F-HRTimeline
Danica Pension, Livsforsikringsaktiesel…59,098$58.9M1.1%+38,74213F-HRTimeline
FIL Ltdin group FIL Ltd58,749$58.5M0.05%+7,18713F-HRTimelineGroup
Chicago Capital, LLC58,514$58.3M1.57%-3,79913F-HRTimeline
United Super Pty Ltd in its capacity as…57,458$57.3M1.08%+4,16013F-HRTimeline
Norman Fields, Gottscho Capital Managem…57,185$57M18.84%-1313F-HRTimeline
State of Alaska, Department of Revenue56,205$56M0.61%+9513F-HRTimeline
Illinois Municipal Retirement Fund55,270$55.1M0.7%-1,72013F-HRTimeline
Aljian Capital Management, LLC54,656$54.5M11.19%-1,17113F-HRTimeline
Beacon Pointe Advisors, LLC54,534$54.3M0.29%+5,58213F-HRTimeline
Motley Fool Asset Management LLCgroup of 2 filers holding54,286$54.1M-10,766Timeline
Walleye Capital LLCgroup of 2 filers holding54,141$53.9M-45,006Timeline
Dakota Wealth Management53,836$53.6M1.16%+2,79013F-HR/ATimeline
Howard Capital Management Group, LLC53,828$53.6M3.56%-1,38413F-HRTimeline
Vest Financial, LLC53,711$53.5M0.64%+12,47713F-HRTimeline
Florida Trust Wealth Management Co53,354$53.2M1.49%+95013F-HRTimeline
AXIOM INVESTORS LLC /DE53,179$53M0.59%+17,77113F-HRTimeline
INVICTUS PRIVATE WEALTH, LLC52,692$52.5M3.25%+64513F-HRTimeline
Vinva Investment Management Ltd52,389$52.2M0.65%+5,92513F-HRTimeline
PITTENGER & ANDERSON INC52,116$51.9M2.07%+44813F-HRTimeline
Louisiana State Employees Retirement Sy…51,800$51.6M0.9%-40013F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC51,495$51.3M0.6%-2,25113F-HRTimeline
Freestone Grove Partners LP51,481$51.3M0.37%new13F-HRTimeline
Cannell & Spears LLC51,195$51M1%-30613F-HR/ATimeline
UNIO CAPITAL LLC51,114$50.9M10.92%-5,85913F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND50,882$50.7M0.67%+11413F-HRTimeline
Candriam S.C.A.50,860$50.7M0.26%+2,22413F-HRTimeline
Retirement Planning Group, LLC50,707$50.5M1.57%+61213F-HRTimeline
STOCK YARDS BANK & TRUST CO50,471$50.3M1.56%+60113F-HRTimeline
J. Safra Sarasin Holding AGin group J. Safra Sarasin Holding AG50,469$50.3M0.86%+1,65213F-HRTimelineGroup
KING LUTHER CAPITAL MANAGEMENT CORP50,204$50M0.22%+36413F-HRTimeline
KLINGENSTEIN FIELDS & CO LP50,027$49.8M1.96%-44013F-HRTimeline
WORLDLY PARTNERS MANAGEMENT, LLC49,874$49.7M41.96%-20,52713F-HRTimeline
Asset Advisors Investment Management, L…49,340$49.2M4.69%-59113F-HRTimeline
Waverly Advisors, LLC48,900$48.7M0.37%+12,91813F-HRTimeline
Violich Capital Management, Inc.48,404$48.2M5.64%-72913F-HRTimeline
TRILLIUM ASSET MANAGEMENT, LLC143,813$48.2M1.6%+95,40113F-HRTimeline
RWA WEALTH PARTNERS, LLC47,904$47.7M0.52%+13113F-HRTimeline
Advisors Capital Management, LLC46,873$46.7M0.54%+1,22313F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…46,745$46.6M0.36%013F-HRTimeline
Main Street Research LLC46,139$46M2.68%-16,22713F-HRTimeline
Parallel Advisors, LLC45,954$45.8M0.82%+43213F-HR/ATimeline
ALLSTATE CORPin group ALLSTATE CORP45,944$45.8M0.49%+11,96913F-HRTimelineGroup
Prime Capital Investment Advisors, LLC45,729$45.6M0.53%+113F-HRTimeline
Cumberland Partners Ltdin group Cumberland Partners Ltd45,532$45.4M3.44%+3,13413F-HRTimelineGroup
Baltimore-Washington Financial Advisors…45,254$45.1M1.95%+75813F-HRTimeline
FOSTER DYKEMA CABOT & PARTNERS, LLC45,089$44.9M2.86%-14813F-HRTimeline
BRIDGES INVESTMENT MANAGEMENT INC45,009$44.8M0.61%-25613F-HRTimeline
Groupe la Francaisein group Groupe la Francaise44,997$44.6M0.62%-4213F-HRTimelineGroup
Pacer Advisors, Inc.44,035$43.9M0.13%-30,03213F-HR/ATimeline
Harvest Fund Management Co., Ltdin group Harvest Fund Management Co., …43,699$43.5M1.85%+3,46513F-HRTimelineGroup
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A43,683$43.5M0.14%-46,63413F-HRTimelineGroup
IMC-Chicago, LLC43,605$43.4M0.66%new13F-HRTimeline
Equitable Holdings, Inc.in group Equitable Holdings, Inc.48,248$43.4M0.28%+8,58513F-HRTimelineGroup

Events

  • Wilcox William Richard sold 1,100 COST shares on 2026-10-13, Form 4 filed 2026-10-14. 0000909832-26-000098

    Accepted , ingested