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Index Fund Advisors’s Costco COST Stock Holding History

Index Fund Advisors’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
Q1 		$11.1M Buy
11,160
+55
+0.5% +$53.6K 0.5% 18
2025
Q4 		$9.58M Sell
11,105
-241
-2% -$218K 0.45% 17
2025
Q3 		$10.5M Buy
11,346
+532
+5% +$510K 0.51% 17
2025
Q2 		$10.7M Buy
+10,814
New +$10.7M 0.6% 15
2022
Q4 		– Sell
-9,740
Closed -$4.6M – 85
2022
Q3 		$4.6M Buy
9,740
+16
+0.2% +$8.32K 0.36% 10
2022
Q2 		$4.66M Buy
9,724
+17
+0.2% +$8.62K 0.35% 9
2022
Q1 		$5.59M Buy
9,707
+2,162
+29% +$1.13M 0.42% 8
2021
Q4 		$4.28M Buy
+7,545
New +$3.86M 0.3% 11

Other funds holding COST

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
DAM
Diamant Asset Management Ridgefield, Connecticut $147M AUM 25.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Index Fund Advisors's COST Position: Q1 2026 in Review

Index Fund Advisors increased its Costco (COST) stake by 0.5% in Q1 2026, buying an estimated $53.6K and bringing the position to 11,160 shares worth $11.1M. The position accounts for 0.5% of the portfolio, ranked #18.

Index Fund Advisors first reported a position in COST in Q4 2021 and has held it in 8 quarters since. 4,242 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Index Fund Advisors held 11,160 shares of Costco worth $11.1M as of Q1 2026.
  • Index Fund Advisors bought 55 Costco shares in Q1 2026, an estimated $53.6K.
  • Costco made up 0.5% of Index Fund Advisors's portfolio in Q1 2026, its #18 holding.
  • Index Fund Advisors first reported a position in Costco in Q4 2021 and has held it in 8 quarters since.
  • 4,242 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Index Fund Advisors's 13F filing for Q1 2026, filed 12 May 2026.