Armstrong Fleming & Moore’s Costco COST Stock Holding History

Armstrong Fleming & Moore’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	$3.12M	Buy	3,128 +65	+2%	+$63.3K	1.32%	11
2025 Q4	$2.64M	Sell	3,063 -797	-21%	-$722K	1.22%	14
2025 Q3	$3.57M	Sell	3,860 -95	-2%	-$91.1K	1.71%	9
2025 Q2	$3.92M	Buy	+3,955	New	+$3.93M	2.13%	7
2025 Q1	–	Sell	-3,298	Closed	-$3.02M	–	101
2024 Q4	$3.02M	Sell	3,298 -6	-0.2%	-$5.57K	1.83%	8
2024 Q3	$2.93M	Buy	3,304 +1	+0%	+$868	1.71%	9
2024 Q2	$2.81M	Sell	3,303 -27	-0.8%	-$21.1K	1.8%	9
2024 Q1	$2.44M	Sell	3,330 -20	-0.6%	-$14.3K	1.69%	9
2023 Q4	$2.21M	Sell	3,350 -33	-1%	-$19.6K	1.67%	10
2023 Q3	$1.91M	Sell	3,383 -142	-4%	-$78.4K	1.85%	12
2023 Q2	$1.9M	Buy	+3,525	New	+$1.78M	1.75%	12

Other funds holding COST

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

DAM

Diamant Asset Management Ridgefield, Connecticut $137B AUM 18.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Armstrong Fleming & Moore's COST Position: Q1 2026 in Review

Armstrong Fleming & Moore increased its Costco (COST) stake by 2.1% in Q1 2026, buying an estimated $63.3K and bringing the position to 3,128 shares worth $3.12M. The position accounts for 1.32% of the portfolio, ranked #11.

Armstrong Fleming & Moore first reported a position in COST in Q2 2023 and has held it in 11 quarters since. The position peaked at $3.92M in Q2 2025. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Armstrong Fleming & Moore held 3,128 shares of Costco worth $3.12M as of Q1 2026.
Armstrong Fleming & Moore bought 65 Costco shares in Q1 2026, an estimated $63.3K.
Costco made up 1.32% of Armstrong Fleming & Moore's portfolio in Q1 2026, its #11 holding.
Armstrong Fleming & Moore first reported a position in Costco in Q2 2023 and has held it in 11 quarters since.
Armstrong Fleming & Moore's Costco position peaked at $3.92M in Q2 2025.
4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Armstrong Fleming & Moore's 13F filing for Q1 2026, filed 13 Apr 2026.