M3 Advisory Group’s Costco COST Stock Holding History

M3 Advisory Group’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	$869K	Buy	872 +41	+5%	+$40K	0.54%	39
2025 Q4	$716K	Sell	831 -67	-7%	-$60.7K	0.44%	43
2025 Q3	$831K	Buy	898 +12	+1%	+$11.5K	0.52%	39
2025 Q2	$877K	Buy	886 +62	+8%	+$61.6K	0.61%	35
2025 Q1	$779K	Sell	824 -170	-17%	-$166K	0.62%	35
2024 Q4	$911K	Buy	994 +17	+2%	+$15.8K	0.65%	34
2024 Q3	$866K	Buy	977 +63	+7%	+$54.7K	0.64%	35
2024 Q2	$777K	Buy	914 +86	+10%	+$67.1K	0.64%	32
2024 Q1	$607K	Buy	828 +210	+34%	+$150K	0.55%	39
2023 Q4	$408K	Buy	+618	New	+$366K	0.48%	47

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

M3 Advisory Group's COST Position: Q1 2026 in Review

M3 Advisory Group increased its Costco (COST) stake by 4.9% in Q1 2026, buying an estimated $40K and bringing the position to 872 shares worth $869K. The position accounts for 0.54% of the portfolio, ranked #39.

M3 Advisory Group first reported a position in COST in Q4 2023 and has held it in 10 quarters since. The position peaked at $911K in Q4 2024. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

M3 Advisory Group held 872 shares of Costco worth $869K as of Q1 2026.
M3 Advisory Group bought 41 Costco shares in Q1 2026, an estimated $40K.
Costco made up 0.54% of M3 Advisory Group's portfolio in Q1 2026, its #39 holding.
M3 Advisory Group first reported a position in Costco in Q4 2023 and has held it in 10 quarters since.
M3 Advisory Group's Costco position peaked at $911K in Q4 2024.
4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on M3 Advisory Group's 13F filing for Q1 2026, filed 22 Apr 2026.