Madden Securities’s Costco COST Stock Holding History

Madden Securities’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	$608K	Hold	610	–	–	0.18%	77
2025 Q4	$526K	Buy	610 +293	+92%	+$266K	0.16%	82
2025 Q3	$293K	Hold	317	–	–	0.09%	98
2025 Q2	$314K	Hold	317	–	–	0.11%	94
2025 Q1	$300K	Hold	317	–	–	0.12%	96
2024 Q4	$290K	Hold	317	–	–	0.12%	98
2024 Q3	$281K	Sell	317 -159	-33%	-$138K	0.12%	93
2024 Q2	$405K	Buy	476 +22	+5%	+$17.2K	0.18%	77
2024 Q1	$332K	Sell	454 -49	-10%	-$35K	0.15%	82
2023 Q4	$332K	Hold	503	–	–	0.18%	74
2023 Q3	$284K	Hold	503	–	–	0.16%	75
2023 Q2	$271K	Hold	503	–	–	0.14%	78
2023 Q1	$250K	Buy	503 +1	+0.2%	+$490	0.13%	81
2022 Q4	$229K	Hold	502	–	–	0.12%	86
2022 Q3	$237K	Buy	502 +50	+11%	+$26K	0.14%	86
2022 Q2	$217K	Buy	452 +78	+21%	+$39.6K	0.12%	93
2022 Q1	$215K	Buy	+374	New	+$196K	0.1%	110

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

Madden Securities's COST Position: Q1 2026 in Review

Madden Securities held its Costco (COST) position steady in Q1 2026 at 610 shares worth $608K. The position accounts for 0.18% of the portfolio, ranked #77.

Madden Securities first reported a position in COST in Q1 2022 and has held it in 17 quarters since. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Madden Securities held 610 shares of Costco worth $608K as of Q1 2026.
Madden Securities left its Costco share count unchanged in Q1 2026.
Costco made up 0.18% of Madden Securities's portfolio in Q1 2026, its #77 holding.
Madden Securities first reported a position in Costco in Q1 2022 and has held it in 17 quarters since.
4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Madden Securities's 13F filing for Q1 2026, filed 5 May 2026.