Callan Family Office’s Costco COST Stock Holding History

Callan Family Office’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	$18.9M	Buy	20,205 +483	+2%	+$481K	0.37%	49
2026 Q1	$19.7M	Buy	19,722 +652	+3%	+$635K	0.45%	37
2025 Q4	$16.4M	Buy	19,070 +1,120	+6%	+$1.01M	0.35%	51
2025 Q3	$16.6M	Sell	17,950 -3,644	-17%	-$3.49M	0.53%	31
2025 Q2	$21.4M	Buy	21,594 +17,810	+471%	+$17.7M	0.67%	22
2025 Q1	$3.58M	Sell	3,784 -9,070	-71%	-$8.84M	0.27%	82
2024 Q4	$11.8M	Buy	12,854 +9,156	+248%	+$8.5M	0.75%	26
2024 Q3	$3.28M	Buy	3,698 +3,177	+610%	+$2.76M	0.55%	34
2024 Q2	$443K	Buy	+521	New	+$407K	0.09%	95
2024 Q1	–	Sell	-434	Closed	-$286K	–	93
2023 Q4	$286K	Buy	+434	New	+$257K	0.07%	80
2023 Q3	–	Sell	-996	Closed	-$536K	–	96
2023 Q2	$536K	Buy	996 +20	+2%	+$10.1K	0.14%	61
2023 Q1	$485K	Buy	976 +248	+34%	+$122K	0.12%	94
2022 Q4	$332K	Buy	+728	New	+$356K	0.11%	75

Other funds holding COST

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Callan Family Office's COST Position: Q2 2026 in Review

Callan Family Office increased its Costco (COST) stake by 2.4% in Q2 2026, buying an estimated $481K and bringing the position to 20,205 shares worth $18.9M. The position accounts for 0.37% of the portfolio, ranked #49.

Callan Family Office first reported a position in COST in Q4 2022 and has held it in 13 quarters since. The position peaked at $21.4M in Q2 2025. 4,251 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Callan Family Office held 20,205 shares of Costco worth $18.9M as of Q2 2026.
Callan Family Office bought 483 Costco shares in Q2 2026, an estimated $481K.
Costco made up 0.37% of Callan Family Office's portfolio in Q2 2026, its #49 holding.
Callan Family Office first reported a position in Costco in Q4 2022 and has held it in 13 quarters since.
Callan Family Office's Costco position peaked at $21.4M in Q2 2025.
4,251 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Callan Family Office's 13F filing for Q2 2026, filed 11 Aug 2026.