Madison Asset Management’s Costco COST Stock Holding History

Madison Asset 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 Q2	$31.3M	Buy	33,457 +417	+1%	+$415K	0.37%	78
2026 Q1	$32.9M	Buy	33,040 +5,459	+20%	+$5.32M	0.41%	77
2025 Q4	$23.8M	Buy	27,581 +486	+2%	+$440K	0.27%	90
2025 Q3	$25.1M	Sell	27,095 -837	-3%	-$802K	0.28%	83
2025 Q2	$27.7M	Sell	27,932 -3,023	-10%	-$3M	0.3%	79
2025 Q1	$29.3M	Sell	30,955 -2,588	-8%	-$2.52M	0.33%	79
2024 Q4	$30.7M	Sell	33,543 -1,915	-5%	-$1.78M	0.35%	78
2024 Q3	$31.4M	Sell	35,458 -1,613	-4%	-$1.4M	0.35%	81
2024 Q2	$31.5M	Sell	37,071 -2,633	-7%	-$2.05M	0.39%	74
2024 Q1	$29.1M	Sell	39,704 -7,612	-16%	-$5.43M	0.36%	76
2023 Q4	$31.2M	Sell	47,316 -860	-2%	-$510K	0.42%	73
2023 Q3	$27.2M	Sell	48,176 -1,175	-2%	-$649K	0.4%	82
2023 Q2	$26.6M	Sell	49,351 -1,041	-2%	-$527K	0.39%	84
2023 Q1	$25M	Sell	50,392 -283	-0.6%	-$139K	0.38%	86
2022 Q4	$23.1M	Buy	50,675 +244	+0.5%	+$119K	0.36%	96
2022 Q3	$23.8M	Buy	50,431 +639	+1%	+$332K	0.4%	90
2022 Q2	$23.9M	Buy	49,792 +17,147	+53%	+$8.7M	0.37%	91
2022 Q1	$18.8M	Buy	32,645 +1,657	+5%	+$870K	0.27%	104
2021 Q4	$17.6M	Buy	30,988 +179	+0.6%	+$91.7K	0.23%	109
2021 Q3	$13.8M	Buy	30,809 +961	+3%	+$422K	0.19%	115
2021 Q2	$11.8M	Buy	29,848 +1,899	+7%	+$718K	0.16%	125
2021 Q1	$9.85M	Buy	27,949 +1,311	+5%	+$456K	0.14%	131
2020 Q4	$10M	Buy	26,638 +1,501	+6%	+$561K	0.15%	121
2020 Q3	$8.92M	Sell	25,137 -548	-2%	-$184K	0.15%	118
2020 Q2	$7.79M	Buy	25,685 +163	+0.6%	+$49.6K	0.14%	122
2020 Q1	$7.28M	Buy	25,522 +133	+0.5%	+$40.4K	0.15%	119
2019 Q4	$7.46M	Buy	+25,389	New	+$7.55M	0.11%	144

Other funds holding COST

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Madison Asset Management's COST Position: Q2 2026 in Review

Madison Asset Management increased its Costco (COST) stake by 1.3% in Q2 2026, buying an estimated $415K and bringing the position to 33,457 shares worth $31.3M. The position accounts for 0.37% of the portfolio, ranked #78.

Madison Asset Management first reported a position in COST in Q4 2019 and has held it in 27 quarters since. The position peaked at $32.9M in Q1 2026. 4,260 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Madison Asset Management held 33,457 shares of Costco worth $31.3M as of Q2 2026.
Madison Asset Management bought 417 Costco shares in Q2 2026, an estimated $415K.
Costco made up 0.37% of Madison Asset Management's portfolio in Q2 2026, its #78 holding.
Madison Asset Management first reported a position in Costco in Q4 2019 and has held it in 27 quarters since.
Madison Asset Management's Costco position peaked at $32.9M in Q1 2026.
4,260 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Madison Asset Management's 13F filing for Q2 2026, filed 10 Aug 2026.