ADE LLC’s Costco COST Stock Holding History

ADE LLC’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 Q3	$537K	Buy	590 +1	+0.2%	+$934	0.22%	50
2026 Q2	$551K	Hold	589	–	–	0.23%	51
2026 Q1	$587K	Hold	589	–	–	0.28%	47
2025 Q4	$508K	Hold	589	–	–	0.25%	50
2025 Q3	$545K	Buy	+589	New	+$565K	0.28%	48
2024 Q1	–	Sell	-915	Closed	-$604K	–	81
2023 Q4	$604K	Sell	915 -30	-3%	-$17.8K	0.42%	38
2023 Q3	$534K	Hold	945	–	–	0.4%	40
2023 Q2	$509K	Hold	945	–	–	0.36%	44
2023 Q1	$470K	Hold	945	–	–	0.34%	45
2022 Q4	$431K	Sell	945 -40	-4%	-$19.5K	0.33%	47
2022 Q3	$465K	Hold	985	–	–	0.52%	31
2022 Q2	$472K	Hold	985	–	–	0.5%	32
2022 Q1	$567K	Hold	985	–	–	0.53%	31
2021 Q4	$559K	Buy	+985	New	+$504K	0.48%	34

Other funds holding COST

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $174B AUM 33.96% 1-Year Est. Return

Citigroup New York $308B AUM 40.94% 1-Year Est. Return

Everett Harris & Co Los Angeles, California $8.46B AUM 13.48% 1-Year Est. Return

Swedbank Stockholm, Sweden $118B AUM 40.52% 1-Year Est. Return

Emerald Advisors Bellevue, Washington $781M AUM 4.78% 1-Year Est. Return

Parnassus Investments San Francisco, California $33.8B AUM 31.08% 1-Year Est. Return

Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return

ProShare Advisors Bethesda, Maryland $69.5B AUM 31.38% 1-Year Est. Return

ADE LLC's COST Position: Q3 2026 in Review

ADE LLC increased its Costco (COST) stake by 0.17% in Q3 2026, buying an estimated $934 and bringing the position to 590 shares worth $537K. The position accounts for 0.22% of the portfolio, ranked #50.

ADE LLC first reported a position in COST in Q4 2021 and has held it in 14 quarters since. The position peaked at $604K in Q4 2023. 2,357 funds tracked by Wall St. Rank hold COST as of Q3 2026.

ADE LLC held 590 shares of Costco worth $537K as of Q3 2026.
ADE LLC bought 1 Costco share in Q3 2026, an estimated $934.
Costco made up 0.22% of ADE LLC's portfolio in Q3 2026, its #50 holding.
ADE LLC first reported a position in Costco in Q4 2021 and has held it in 14 quarters since.
ADE LLC's Costco position peaked at $604K in Q4 2023.
2,357 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on ADE LLC's 13F filing for Q3 2026, filed 29 Oct 2026.