Skyline Advisors’s Costco COST Stock Holding History

Skyline Advisors’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	$1.16M	Buy	1,270 +2	+0.2%	+$1.87K	0.36%	42
2026 Q2	$1.19M	Hold	1,268	–	–	0.37%	41
2026 Q1	$1.26M	Sell	1,268 -74	-6%	-$72.1K	0.44%	38
2025 Q4	$1.16M	Buy	1,342 +2	+0.1%	+$1.81K	0.39%	31
2025 Q3	$1.24M	Buy	1,340 +1	+0.1%	+$959	0.43%	28
2025 Q2	$1.33M	Sell	1,339 -164	-11%	-$163K	0.49%	28
2025 Q1	$1.42M	Sell	1,503 -47	-3%	-$45.8K	0.56%	25
2024 Q4	$1.42M	Sell	1,550 -44	-3%	-$40.8K	0.55%	26
2024 Q3	$1.41M	Buy	1,594 +2	+0.1%	+$1.74K	0.58%	25
2024 Q2	$1.35M	Buy	1,592 +31	+2%	+$24.2K	0.59%	26
2024 Q1	$1.14M	Buy	1,561 +2	+0.1%	+$1.43K	0.51%	26
2023 Q4	$1.03M	Buy	+1,559	New	+$924K	0.49%	27

Other funds holding COST

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Fisher Asset Management Camas, Washington $348B AUM 26.9% 1-Year Est. Return

Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

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

Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return

Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return

Mitsubishi UFJ Asset Management Tokyo, Japan $194B AUM 32.2% 1-Year Est. Return

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

LPL Financial San Diego, California $468B AUM 17.69% 1-Year Est. Return

Skyline Advisors's COST Position: Q3 2026 in Review

Skyline Advisors increased its Costco (COST) stake by 0.16% in Q3 2026, buying an estimated $1.87K and bringing the position to 1,270 shares worth $1.16M. The position accounts for 0.36% of the portfolio, ranked #42.

Skyline Advisors first reported a position in COST in Q4 2023 and has held it in 12 quarters since. The position peaked at $1.42M in Q1 2025. 2,803 funds tracked by Wall St. Rank hold COST as of Q3 2026.

Skyline Advisors held 1,270 shares of Costco worth $1.16M as of Q3 2026.
Skyline Advisors bought 2 Costco shares in Q3 2026, an estimated $1.87K.
Costco made up 0.36% of Skyline Advisors's portfolio in Q3 2026, its #42 holding.
Skyline Advisors first reported a position in Costco in Q4 2023 and has held it in 12 quarters since.
Skyline Advisors's Costco position peaked at $1.42M in Q1 2025.
2,803 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Skyline Advisors's 13F filing for Q3 2026, filed 3 Nov 2026.