Costco Wholesale Corp /New (COST) Institutional Ownership

Ownership Summary

Costco Wholesale Corp /New (NASDAQ:COST) has 3,953 institutional investors that have filed 13F reports for the period ending December 2025.

• These investors held 70.5% of outstanding shares in December 2025, up from 68.8% in September 2025.
• They increased total shares held in Costco Wholesale by 4.18% from last quarter, and the number of investors in COST increased 3.18% annually.
• Among the 3,953 funds, 1,908 bought more Costco Wholesale shares, 1,604 sold down, and 441 held their ground.
• Combined, these investors held 313.3Mn shares in COST for December 2025, up by 12.58Mn shares quarter on quarter, and down 13.13Mn shares year over year.
• VANGUARD GROUP INC holds the largest position in COST at 43.62Mn shares as of December 31, 2025, or 9.81% of shares outstanding.
• The biggest buyers of Costco Wholesale for the quarter ending December 2025 included Corient Private Wealth LLC (6.33Mn), NORGES BANK (6.02Mn), Cardano Risk Management B.V. (1.61Mn), Rockefeller Capital Management L.P. (1.59Mn), Assenagon Asset Management S.A. (1.07Mn).
• The largest sellers of Costco Wholesale for the quarter ending December 2025 were Bank Of America Corp /De/ (7.0Mn), Jpmorgan Chase & Co (3.54Mn), FMR LLC (1.26Mn), Goldman Sachs Group Inc (1.1Mn), Amundi (620.95K).
• Costco Wholesale's 10 largest shareholders as of December 2025 include VANGUARD GROUP INC (43.62Mn), BlackRock, Inc. (35.1Mn), State Street Corp (18.15Mn), GEODE CAPITAL MANAGEMENT, LLC (10.39Mn), Morgan Stanley (9.52Mn), Corient Private Wealth LLC (6.98Mn), Bank Of America Corp /De/ (6.74Mn), FMR LLC (6.69Mn), NORGES BANK (6.02Mn), Northern Trust Corp (4.91Mn) per Business Quant data.