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Stonebrook Private’s Costco COST Stock Holding History

Stonebrook Private’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 		$1.53M Buy
1,639
+20
+1% +$19.9K 0.28% 65
2026
Q1 		$1.61M Buy
1,619
+40
+3% +$39K 0.34% 61
2025
Q4 		$1.36M Buy
1,579
+14
+0.9% +$12.7K 0.29% 66
2025
Q3 		$1.45M Sell
1,565
-13
-0.8% -$12.5K 0.31% 73
2025
Q2 		$1.56M Buy
1,578
+20
+1% +$19.9K 0.37% 70
2025
Q1 		$1.47M Buy
1,558
+119
+8% +$116K 0.38% 67
2024
Q4 		$1.32M Buy
1,439
+43
+3% +$39.9K 0.35% 68
2024
Q3 		$1.24M Buy
1,396
+26
+2% +$22.6K 0.33% 72
2024
Q2 		$1.16M Buy
1,370
+22
+2% +$17.2K 0.33% 76
2024
Q1 		$988K Buy
1,348
+241
+22% +$172K 0.29% 71
2023
Q4 		$731K Buy
+1,107
New +$656K 0.24% 82

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

Stonebrook Private's COST Position: Q2 2026 in Review

Stonebrook Private increased its Costco (COST) stake by 1.2% in Q2 2026, buying an estimated $19.9K and bringing the position to 1,639 shares worth $1.53M. The position accounts for 0.28% of the portfolio, ranked #65.

Stonebrook Private first reported a position in COST in Q4 2023 and has held it in 11 quarters since. The position peaked at $1.61M in Q1 2026. 4,254 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Stonebrook Private held 1,639 shares of Costco worth $1.53M as of Q2 2026.
  • Stonebrook Private bought 20 Costco shares in Q2 2026, an estimated $19.9K.
  • Costco made up 0.28% of Stonebrook Private's portfolio in Q2 2026, its #65 holding.
  • Stonebrook Private first reported a position in Costco in Q4 2023 and has held it in 11 quarters since.
  • Stonebrook Private's Costco position peaked at $1.61M in Q1 2026.
  • 4,254 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Stonebrook Private's 13F filing for Q2 2026, filed 14 Aug 2026.