CBU
COST icon

CIBC Bancorp USA’s Costco COST Stock Holding History

CIBC Bancorp USA’s Portfolio COST Stock Details COST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$186M Sell
199,358
-38,339
-16% -$38.2M 0.23% 107
2026
Q1 		$237M Buy
+237,697
New +$232M 0.32% 77
2025
Q3 		$158M Buy
+170,899
New +$164M 0.86% 18

Other funds holding COST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

CIBC Bancorp USA's COST Position: Q2 2026 in Review

CIBC Bancorp USA reduced its Costco (COST) stake by 16% in Q2 2026, selling an estimated $38.2M and leaving 199,358 shares worth $186M. The position accounts for 0.23% of the portfolio, ranked #107.

CIBC Bancorp USA first reported a position in COST in Q3 2025 and has held it in 3 quarters since. The position peaked at $237M in Q1 2026. 4,065 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • CIBC Bancorp USA held 199,358 shares of Costco worth $186M as of Q2 2026.
  • CIBC Bancorp USA sold 38,339 Costco shares in Q2 2026, an estimated $38.2M.
  • Costco made up 0.23% of CIBC Bancorp USA's portfolio in Q2 2026, its #107 holding.
  • CIBC Bancorp USA first reported a position in Costco in Q3 2025 and has held it in 3 quarters since.
  • CIBC Bancorp USA's Costco position peaked at $237M in Q1 2026.
  • 4,065 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on CIBC Bancorp USA's 13F filing for Q2 2026, filed 13 Aug 2026.