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Disclosery

COST COSTCO WHOLESALE CORPORATION

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COM (common), issuer CIK 909832

4,200 managers (4,278 13F filers) reported a position in COST shares at 2026-03-31, 320,333,954 shares in all. 249 filers opened a position and 127 filers sold out during the quarter.

Managers
4,200
13F filers
4,278
New
249
Added
1,799
Reduced
1,638
Sold out
127
Shares held by filers
320,333,954

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
Traynor Capital Management, Inc.8,314$8.29M0.49%+25213F-HRTimeline
SPIREPOINT PRIVATE CLIENT, LLC8,309$8.28M0.79%-38513F-HRTimeline
Vantage Investment Partners, LLC8,304$8.27M0.57%-5113F-HRTimeline
ZEVENBERGEN CAPITAL INVESTMENTS LLC8,248$8.22M0.24%+8513F-HRTimeline
SYON CAPITAL LLC8,243$8.21M0.41%+33513F-HRTimeline
LMR Partners LLPin group LMR Partners LLP8,176$8.15M0.08%-9,86113F-HRTimelineGroup
Fairfield Financial Advisors, LTD8,163$8.13M2.8%+6413F-HRTimeline
ROCKLAND TRUST CO8,162$8.13M0.33%-8813F-HRTimeline
LAKE STREET PRIVATE WEALTH, LLC8,156$8.13M1.03%-61213F-HRTimeline
Clark Capital Management Group, Inc.8,142$8.11M0.05%-25113F-HRTimeline
CHELSEA COUNSEL CO8,140$8.11M3.61%-17013F-HR/ATimeline
TOWNSEND ASSET MANAGEMENT CORP /NC/ /ADV8,097$8.07M2.92%+22813F-HRTimeline
Campbell & CO Investment Adviser LLC8,095$8.07M0.46%+1,38413F-HRTimeline
Cypress Capital Groupin group Cypress Capital Group8,071$8.04M0.9%-7113F-HRTimelineGroup
StrongBox Wealth, LLC8,052$8.02M2.57%-10913F-HRTimeline
Fulton Bank, N.A.8,052$8.02M0.28%+19013F-HRTimeline
Hills Bank & Trust Coin group Hills Bank & Trust Co8,045$8.02M0.39%-44613F-HRTimelineGroup
SCHMIDT P J INVESTMENT MANAGEMENT INC8,042$8.01M1.35%-10113F-HRTimeline
Cardinal Point Capital Management ULC8,030$8M0.49%+15013F-HRTimeline
SCHNIEDERS CAPITAL MANAGEMENT, LLC.8,007$7.98M1.27%-47013F-HRTimeline
Hartford Financial Management Inc.8,004$7.98M2.03%+2613F-HRTimeline
WealthPLAN Partners, LLC7,976$7.95M1.54%-1,09613F-HRTimeline
Eastover Investment Advisors LLC7,930$7.9M3.39%+9913F-HRTimeline
Montecito Bank & Trust7,916$7.89M1.3%-45813F-HRTimeline
First Bank & Trust7,916$7.89M1.27%-86613F-HRTimeline
Fischer Financial Services, Inc.7,905$7.88M2.65%+6913F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.7,899$7.87M0.64%new13F-HRTimeline
Rench Wealth Management, Inc.7,813$7.79M2.34%-3513F-HRTimeline
Pine Valley Investments Ltd Liability Co7,798$7.77M0.38%+45913F-HRTimeline
INTERNATIONAL ASSETS INVESTMENT MANAGEM…7,781$7.75M0.54%-1,08313F-HRTimeline
Kovack Advisors, Inc.7,774$7.75M0.41%-11013F-HRTimeline
LS Investment Advisors, LLC7,771$7.74M1.16%-21713F-HRTimeline
Bahl & Gaynor LLC7,766$7.74M0.04%+26513F-HRTimeline
Keystone Wealth Services, LLC7,759$7.73M1.65%-96413F-HRTimeline
Bull Street Advisors, LLC7,733$7.71M3.82%-5413F-HRTimeline
CreativeOne Wealth, LLCin group CreativeOne Wealth, LLC7,713$7.69M0.18%+30713F-HRTimelineGroup
SPINNAKER TRUST7,684$7.66M0.42%+12313F-HRTimeline
AlpenGlobal Capital LLC7,670$7.64M4.86%13F-HRTimeline
Joel Isaacson & Co., LLC7,670$7.64M0.25%-25313F-HRTimeline
Rossmore Private Capital7,667$7.64M0.67%+6413F-HRTimeline
NorthRock Partners, LLC7,660$7.63M0.12%+50513F-HRTimeline
RAM Investment Partners, LLC7,649$7.62M1.34%-37513F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd7,645$7.62M0.09%-100,07913F-HRTimelineGroup
Carroll Investors, Inc7,612$7.58M4.05%-1,06213F-HRTimeline
Connecticut Wealth Management, LLC7,586$7.56M0.32%-19713F-HRTimeline
WS MANAGEMENT LLLP7,568$7.54M0.99%+1,28313F-HRTimeline
Strategic Advisors LLC7,561$7.53M1.25%-9213F-HRTimeline
Miller Capital Partners, Inc.7,520$7.49M3.63%-9013F-HRTimeline
Advisors Preferred, LLCin group Advisors Preferred, LLC7,475$7.45M1.1%+5,74813F-HRTimelineGroup
ST GERMAIN D J CO INCin group ST GERMAIN D J CO INC7,471$7.44M0.29%-16213F-HRTimelineGroup
Gateway Wealth Partners, LLC7,468$7.44M0.29%+2,58213F-HRTimeline
Arista Wealth Management, LLC7,451$7.42M0.9%+1,40213F-HRTimeline
Asset Planning,Inc7,415$7.39M5.25%+3713F-HRTimeline
Rehmann Capital Advisory Group7,401$7.37M0.38%+11913F-HRTimeline
QUEST INVESTMENT MANAGEMENT LLC7,400$7.37M0.86%-2,51213F-HRTimeline
Ayrshire Capital Management LLC7,374$7.35M3.8%-70913F-HRTimeline
FAS Wealth Partners, Inc.7,368$7.34M0.46%+10313F-HRTimeline
Marble Wealth, LLC7,359$7.33M1.28%-71513F-HRTimeline
ICICI Prudential Asset Management Co Ltd7,356$7.33M0.88%+24413F-HRTimeline
Security National Bank7,344$7.32M1.07%+26413F-HRTimeline
Tema ETFs LLC7,342$7.32M0.49%+3513F-HRTimeline
DV Trading LLC7,332$7.31M0.66%+7,22713F-HRTimeline
COURIER CAPITAL LLC7,316$7.29M0.41%-16513F-HR/ATimeline
Cerro Pacific Wealth Advisors LLC7,312$7.29M1.91%-22713F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC7,299$7.27M0.44%+1,62613F-HRTimeline
Indiana Trust & Investment Management Co7,289$7.26M2.24%-11213F-HRTimeline
Procyon Advisors, LLC7,266$7.24M0.36%-16313F-HRTimeline
EVOLVE PRIVATE WEALTH, LLC7,263$7.24M0.39%-1,97713F-HRTimeline
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…7,255$7.23M0.04%-192,74513F-HRTimelineGroup
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT…7,248$7.22M1.05%+3,79413F-HRTimeline
Fiduciary Group, LLC7,240$7.21M0.62%-4513F-HRTimeline
180 WEALTH ADVISORS, LLC7,220$7.19M0.82%-5413F-HRTimeline
Continuum Advisory, LLC7,195$7.17M0.69%-7913F-HRTimeline
Clear Creek Financial Management, LLC7,187$7.16M0.55%+27813F-HRTimeline
Westover Capital Advisors, LLC7,157$7.13M1.31%-4713F-HRTimeline
DELTA FINANCIAL ADVISORS LLC7,129$7.1M1.85%+22213F-HRTimeline
HENDLEY & CO INC7,128$7.1M2.63%013F-HRTimeline
PECAUT & CO.7,127$7.1M2.31%+9013F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.7,106$7.08M0.11%+1,64113F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
CAMBIENT FAMILY OFFICE, LLC7,099$7.07M0.99%+54313F-HRTimeline
WEIK CAPITAL MANAGEMENT7,078$7.05M2.81%-48513F-HRTimeline
Chronos Wealth Management, LLC7,074$7.05M3.41%-9513F-HRTimeline
Blue Trust, Inc.7,059$7.03M0.08%-22813F-HRTimeline
Wedmont Private Capital6,799$7.01M0.23%+51713F-HRTimeline
AdvisorNet Financial, Inc7,019$6.99M0.36%-45313F-HRTimeline
PHYSICIANS FINANCIAL SERVICES, INC.7,013$6.99M1.91%+44113F-HRTimeline
Jasper Ridge Partners, L.P.7,003$6.98M0.16%013F-HRTimeline
HOLDERNESS INVESTMENTS CO6,991$6.97M1.4%+9913F-HRTimeline
Hudson Value Partners, LLC6,978$6.95M2.08%-42913F-HRTimeline
Avior Wealth Management, LLC6,965$6.94M0.2%+85413F-HRTimeline
Gibraltar Capital Management, Inc.6,953$6.93M1.19%+113F-HRTimeline
BANQUE PICTET & CIE SA6,953$6.93M0.08%-70913F-HRTimeline
HighPoint Advisor Group LLC6,950$6.92M0.29%-20,00513F-HRTimeline
Trinity Legacy Partners, LLC7,075$6.9M1.49%+20513F-HRTimeline
BANK OF STOCKTON6,917$6.89M2.13%+413F-HRTimeline
Palumbo Wealth Management LLC6,905$6.88M1.68%+12913F-HRTimeline
Grove Bank & Trust6,905$6.88M0.78%+9413F-HRTimeline
Numerai GP LLC6,903$6.88M0.69%-2,32513F-HRTimeline
Certified Advisory Corp6,901$6.88M0.62%-25213F-HRTimeline
Ausdal Financial Partners, Inc.6,898$6.87M0.31%+1,95913F-HRTimeline
Koshinski Asset Management, Inc.6,898$6.87M0.43%+3513F-HRTimeline
Capital Asset Advisory Services LLC6,881$6.87M0.26%+1,00513F-HRTimeline
JACKSON SQUARE CAPITAL, LLC6,883$6.86M1.44%+2,66413F-HRTimeline
PARR MCKNIGHT WEALTH MANAGEMENT GROUP, …6,876$6.85M0.9%+2,08813F-HRTimeline
Park State Asset Management6,870$6.85M5.18%-10513F-HRTimeline
Pacific Sage Partners, LLC6,837$6.81M1.07%-3513F-HRTimeline
Sitrin Capital Management LLC6,804$6.78M3.4%-16313F-HRTimeline
EMERALD ADVISERS, LLCgroup of 2 filers holding6,804$6.78M+6,073Timeline
River Wealth Advisors LLC6,786$6.76M0.78%-19113F-HRTimeline
Modera Wealth Management, LLC6,778$6.75M0.08%+38413F-HRTimeline
KNIGHTSBRIDGE ASSET MANAGEMENT, LLC6,762$6.74M0.91%+51113F-HRTimeline
Dorsey & Whitney Trust CO LLC6,743$6.72M0.37%+5613F-HRTimeline
Narwhal Capital Management6,740$6.72M0.5%+93213F-HRTimeline
JOURNEY STRATEGIC WEALTH LLC6,719$6.7M0.17%+1,53613F-HRTimeline
Covington Investment Advisors Inc.6,715$6.69M0.98%-51013F-HRTimeline
Regal Investment Advisors LLC6,710$6.69M0.39%+1,34513F-HRTimeline
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…6,702$6.68M0.57%+37813F-HRTimelineGroup
Mission Creek Capital Partners, Inc.6,695$6.67M1.33%+9413F-HRTimeline
HARBOR INVESTMENT ADVISORY, LLC6,689$6.66M0.53%-27413F-HRTimeline
BELLEVUE ASSET MANAGEMENT, LLC6,686$6.66M3.33%+613F-HRTimeline
Cornerstone Wealth Group, LLC6,621$6.66M0.43%+37413F-HRTimeline
Clearstead Trust, LLC6,678$6.65M1.08%+1713F-HRTimeline
Confluence Wealth Services, Inc.6,673$6.65M0.26%+54113F-HRTimeline
Sivia Capital Partners, LLC6,662$6.64M1.29%+3,30913F-HRTimeline
HBK Sorce Advisory LLC6,576$6.63M0.14%+4813F-HRTimeline
WOODMONT INVESTMENT COUNSEL LLC6,631$6.61M0.41%+4413F-HRTimeline
Parisi Gray Wealth Management6,630$6.61M1.57%+913F-HRTimeline
CENTAURUS FINANCIAL, INC.6,602$6.58M0.31%-9013F-HRTimeline
PETERSON WEALTH MANAGEMENT6,584$6.56M3.8%+50613F-HRTimeline
GILDER GAGNON HOWE & CO LLC6,582$6.56M0.08%-1,11713F-HRTimeline
Bell & Brown Wealth Advisors, LLC6,580$6.56M2.13%+12013F-HRTimeline
Bradyco, Inc.6,564$6.54M5.07%+17513F-HRTimeline
Wealth Enhancement Trust Services, Inc.6,549$6.53M0.79%+57713F-HRTimeline
Harbour Capital Advisors, LLC6,492$6.52M1.24%+2513F-HRTimeline
Tower View Wealth Management LLC6,535$6.51M3.34%-32613F-HRTimeline
Morse Asset Management, Inc6,526$6.5M1.35%+11413F-HRTimeline
Dana Investment Advisors, Inc.6,521$6.5M0.19%-5713F-HRTimeline
Ardent Capital Management, Inc.6,520$6.5M2.78%-13113F-HRTimeline
JPL Wealth Management, LLC6,508$6.48M1.49%-13013F-HR/ATimeline
TWIN CAPITAL MANAGEMENT INC6,506$6.48M0.84%-14013F-HRTimeline
KP Management LLC6,500$6.48M1.85%013F-HRTimeline
Tranquility Partners, LLC6,487$6.46M2.44%-23713F-HRTimeline
McIlrath & Eck, LLC6,485$6.46M0.48%+6413F-HRTimeline
FORT WASHINGTON INVESTMENT ADVISORS INC…6,463$6.44M0.04%-3013F-HRTimeline
AGP FRANKLIN, LLC6,462$6.44M3.22%-40913F-HRTimeline
Essex Financial Services, Inc.group of 2 filers holding6,459$6.44M+211Timeline
Sagewood Asset Management LP6,454$6.43M2.01%-1,38713F-HRTimeline
MITCHELL CAPITAL MANAGEMENT CO6,453$6.43M1.18%+22213F-HRTimeline
TritonPoint Partners, LLCgroup of 2 filers holding6,453$6.43M-133Timeline
HWG Holdings LP6,417$6.39M1.69%+28213F-HRTimeline
Sage Capital Advisors,llc6,410$6.39M1.48%-613F-HRTimeline
Leelyn Smith, LLC6,408$6.39M0.9%+14013F-HRTimeline
ALPS ADVISORS INCin group ALPS ADVISORS INC6,403$6.38M0.03%-46013F-HRTimelineGroup
Cohen Klingenstein LLC6,400$6.38M0.21%013F-HRTimeline
Tyche Wealth Partners LLC6,382$6.36M0.98%-4513F-HRTimeline
Sargent Investment Group, LLC6,375$6.35M0.84%+20413F-HRTimeline
First Interstate Bank6,373$6.35M0.36%-26913F-HRTimeline
AUXIER ASSET MANAGEMENT LLC6,373$6.35M0.91%-1,12713F-HRTimeline
Sciencast Management LP6,371$6.35M0.81%-40713F-HRTimeline
B. Riley Wealth Advisors, Inc.6,360$6.34M0.41%-1,45013F-HRTimeline
TCI Wealth Advisors, Inc.6,357$6.33M0.34%-3213F-HRTimeline
BAMCO INC /NY/in group Baron Capital6,349$6.33M0.02%013F-HRTimelineGroup
First Washington CORP6,338$6.32M1.79%-313F-HRTimeline
Pinnacle Wealth Management Advisory Gro…6,332$6.31M0.43%+36713F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…6,329$6.31M0.19%+1,60513F-HR/ATimelineGroup
Carlton Hofferkamp & Jenks Wealth Manag…6,318$6.31M2.11%-70913F-HRTimeline
Concord Wealth Partnersgroup of 2 filers holding6,311$6.29M-237Timeline
Caption Management, LLC6,300$6.28M0.3%+3,02013F-HRTimeline
SITTNER & NELSON, LLC6,298$6.28M2.29%-20413F-HRTimeline
Quantbot Technologies LP6,295$6.27M0.26%+71913F-HRTimeline
WIMMER ASSOCIATES 1, LLC6,284$6.26M3.06%-11713F-HRTimeline
NORTHCAPE WEALTH MANAGEMENT, LLC6,265$6.24M1.7%-4013F-HRTimeline
Galvin, Gaustad & Stein, LLC6,237$6.21M0.5%-16613F-HRTimeline
Leisure Capital Management6,229$6.21M2.17%-813F-HRTimeline
Mattern Wealth Management LLC6,205$6.18M1.21%+13013F-HRTimeline
Principle Wealth Partners LLC6,205$6.18M0.35%-4513F-HRTimeline
RMR Wealth Builders6,187$6.17M0.49%+35013F-HRTimeline
Capital Advisors Wealth Management, LLC6,172$6.15M0.83%+5613F-HRTimeline
Bay Rivers Group6,170$6.15M2.56%-7613F-HRTimeline
BTC Capital Management, Inc.in group BTC Capital Management, Inc.6,166$6.14M0.42%+52013F-HRTimelineGroup
Accent Capital Management, LLC6,123$6.1M2.96%-11513F-HR/ATimeline
DUNCKER STREETT & CO INC6,123$6.1M1.16%-7413F-HRTimeline
HALL CAPITAL MANAGEMENT CO INC6,005$6.09M2.18%+14113F-HRTimeline
Strategic Global Advisors, LLC6,103$6.08M0.97%-14013F-HRTimeline
MILESTONE ASSET MANAGEMENT, LLC6,089$6.07M1.12%+4,04613F-HRTimeline
BLI - Banque de Luxembourg Investments7,100$6.05M0.18%013F-HRTimeline
TriaGen Wealth Management LLC6,066$6.04M1.65%+1,54113F-HRTimeline
Balboa Wealth Partners6,065$6.04M1.01%-15713F-HRTimeline
Sepio Capital, LP6,064$6.04M0.33%-25113F-HRTimeline
RFG Advisory, LLC6,055$6.03M0.11%-2,07413F-HRTimeline
Capital Analysts, LLCin group Capital Analysts, LLC6,051$6.03M0.16%-36013F-HRTimelineGroup
TAGStone Capital, Inc.6,048$6.03M2.13%+713F-HRTimeline
REGATTA CAPITAL GROUP, LLC6,023$6M0.91%+22913F-HRTimeline
United Bank6,020$6M2%+35013F-HRTimeline
Cordatus Wealth Management LLC6,014$5.99M1.43%+8713F-HRTimeline
LGT Fund Management Co Ltd.5,998$5.98M0.26%+5,24313F-HRTimeline
Carnegie Lake Advisors LLC5,992$5.97M2.37%013F-HRTimeline
Graham Capital Management, L.P.5,982$5.96M0.2%+2,28913F-HRTimeline
NICHOLS & PRATT ADVISERS LLP /MAin group NICHOLS & PRATT ADVISERS LLP …5,952$5.93M0.38%+12513F-HRTimelineGroup
NAVELLIER & ASSOCIATES INC5,951$5.93M0.62%-34213F-HRTimeline

Events

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

    Accepted , ingested