Windsor Capital Management’s Costco COST Stock Holding History

Windsor Capital Management’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	$420K	Sell	461 -42	-8%	-$39.2K	0.11%	91
2026 Q2	$471K	Hold	503	–	–	0.12%	90
2026 Q1	$501K	Hold	503	–	–	0.14%	86
2025 Q4	$434K	Buy	503 +41	+9%	+$37.2K	0.12%	91
2025 Q3	$428K	Hold	462	–	–	0.12%	91
2025 Q2	$457K	Sell	462 -300	-39%	-$298K	0.13%	89
2025 Q1	$721K	Sell	762 -249	-25%	-$243K	0.22%	65
2024 Q4	$926K	Hold	1,011	–	–	0.27%	54
2024 Q3	$896K	Hold	1,011	–	–	0.26%	56
2024 Q2	$859K	Sell	1,011 -100	-9%	-$78K	0.27%	54
2024 Q1	$814K	Sell	1,111 -35	-3%	-$25K	0.25%	58
2023 Q4	$756K	Sell	1,146 -946	-45%	-$561K	0.25%	62
2023 Q3	$1.18M	Hold	2,092	–	–	0.41%	44
2023 Q2	$1.13M	Buy	+2,092	New	+$1.06M	0.37%	48
2015 Q4	–	Sell	-200	Closed	-$28K	–	161
2015 Q3	$28K	Buy	+200	New	+$28.5K	0.02%	220
2014 Q1	–	Sell	-200	Closed	-$24K	–	116
2013 Q4	$24K	Hold	200	–	–	0.01%	243
2013 Q3	$23K	Hold	200	–	–	0.01%	264
2013 Q2	$22K	Buy	+200	New	+$21.9K	0.01%	256

Other funds holding COST

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

Sarasin & Partners London, United Kingdom $8.93B AUM 11.81% 1-Year Est. Return

Congress Asset Management Boston, Massachusetts $15.4B AUM 30.35% 1-Year Est. Return

Steginsky Capital Port Washington, New York $610M AUM 12.34% 1-Year Est. Return

MN Services Vermogensbeheer The Hague, Netherlands $13.4B AUM 37.34% 1-Year Est. Return

Czech National Bank Prague, Czech Republic $18.9B AUM 36.24% 1-Year Est. Return

Davenport & Co Richmond, Virginia $19.9B AUM 12.67% 1-Year Est. Return

Wealth Enhancement Advisory Services Plymouth, Minnesota $67.3B AUM 21.9% 1-Year Est. Return

IFM Investors Melbourne, Australia $16B AUM 33.69% 1-Year Est. Return

MJRIC

Mogy Joel R Investment Counsel Beverly Hills, California $1.87B AUM 18.64% 1-Year Est. Return

Windsor Capital Management's COST Position: Q3 2026 in Review

Windsor Capital Management reduced its Costco (COST) stake by 8.3% in Q3 2026, selling an estimated $39.2K and leaving 461 shares worth $420K. The position accounts for 0.11% of the portfolio, ranked #91.

Windsor Capital Management first reported a position in COST in Q2 2013 and has held it in 18 quarters since. The position peaked at $1.18M in Q3 2023. 510 funds tracked by Wall St. Rank hold COST as of Q3 2026.

Windsor Capital Management held 461 shares of Costco worth $420K as of Q3 2026.
Windsor Capital Management sold 42 Costco shares in Q3 2026, an estimated $39.2K.
Costco made up 0.11% of Windsor Capital Management's portfolio in Q3 2026, its #91 holding.
Windsor Capital Management first reported a position in Costco in Q2 2013 and has held it in 18 quarters since.
Windsor Capital Management's Costco position peaked at $1.18M in Q3 2023.
510 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Windsor Capital Management's 13F filing for Q3 2026, filed 13 Oct 2026.