A
COST icon

AustralianSuper’s Costco COST Stock Holding History

AustralianSuper’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 		$292M Buy
312,338
+29,199
+10% +$29.1M 1.27% 17
2026
Q1 		$282M Buy
283,139
+135,553
+92% +$132M 1.47% 8
2025
Q4 		$127M Sell
147,586
-49,527
-25% -$44.9M 0.59% 35
2025
Q3 		$182M Buy
197,113
+62,075
+46% +$59.5M 0.86% 24
2025
Q2 		$134M Buy
135,038
+11,768
+10% +$11.7M 0.68% 36
2025
Q1 		$117M Sell
123,270
-28,977
-19% -$28.3M 0.66% 43
2024
Q4 		$139M Buy
152,247
+131,169
+622% +$122M 0.66% 45
2024
Q3 		$18.7M Buy
21,078
+954
+5% +$828K 0.09% 89
2024
Q2 		$17.1M Sell
20,124
-239
-1% -$186K 0.1% 89
2024
Q1 		$14.7M Sell
20,363
-41,048
-67% -$29.3M 0.09% 100
2023
Q4 		$40.5M Buy
61,411
+45,115
+277% +$26.7M 0.24% 84
2023
Q3 		$9.21M Buy
+16,296
New +$8.99M 0.06% 121
2023
Q2 		– Sell
-2,367
Closed -$1.18M – 271
2023
Q1 		$1.18M Buy
+2,367
New +$1.16M 0.01% 181

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
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

AustralianSuper's COST Position: Q2 2026 in Review

AustralianSuper increased its Costco (COST) stake by 10% in Q2 2026, buying an estimated $29.1M and bringing the position to 312,338 shares worth $292M. The position accounts for 1.27% of the portfolio, ranked #17.

AustralianSuper first reported a position in COST in Q1 2023 and has held it in 13 quarters since. 4,224 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • AustralianSuper held 312,338 shares of Costco worth $292M as of Q2 2026.
  • AustralianSuper bought 29,199 Costco shares in Q2 2026, an estimated $29.1M.
  • Costco made up 1.27% of AustralianSuper's portfolio in Q2 2026, its #17 holding.
  • AustralianSuper first reported a position in Costco in Q1 2023 and has held it in 13 quarters since.
  • 4,224 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on AustralianSuper's 13F filing for Q2 2026, filed 12 Aug 2026.