Berkshire Asset Management’s Costco COST Stock Holding History

Berkshire 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 Q1	$1.01M	Buy	1,018 +33	+3%	+$32.2K	0.04%	132
2025 Q4	$850K	Buy	985 +164	+20%	+$149K	0.04%	141
2025 Q3	$760K	Hold	821	–	–	0.03%	158
2025 Q2	$813K	Sell	821 -14	-2%	-$13.9K	0.04%	154
2025 Q1	$841K	Buy	835 +38	+5%	+$37K	0.04%	149
2024 Q4	$749K	Sell	797 -103	-11%	-$95.6K	0.04%	162
2024 Q3	$765K	Hold	900	–	–	0.04%	153
2024 Q2	$765K	Buy	900 +364	+68%	+$284K	0.04%	154
2024 Q1	$393K	Sell	536 -10	-2%	-$7.14K	0.02%	182
2023 Q4	$360K	Buy	+546	New	+$324K	0.02%	183
2017 Q3	–	Sell	-1,788	Closed	-$286K	–	193
2017 Q2	$286K	Buy	1,788 +13	+0.7%	+$2.24K	0.03%	162
2017 Q1	$298K	Hold	1,775	–	–	0.04%	158
2016 Q4	$284K	Buy	+1,775	New	+$271K	0.04%	155
2016 Q3	–	Sell	-1,775	Closed	-$279K	–	176
2016 Q2	$279K	Hold	1,775	–	–	0.04%	148
2016 Q1	$280K	Sell	1,775 -23	-1%	-$3.49K	0.04%	138
2015 Q4	$290K	Hold	1,798	–	–	0.05%	134
2015 Q3	$260K	Buy	+1,798	New	+$257K	0.05%	133

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 $147M AUM 25.76% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Berkshire Asset Management's COST Position: Q1 2026 in Review

Berkshire Asset Management increased its Costco (COST) stake by 3.4% in Q1 2026, buying an estimated $32.2K and bringing the position to 1,018 shares worth $1.01M. The position accounts for 0.04% of the portfolio, ranked #132.

Berkshire Asset Management first reported a position in COST in Q3 2015 and has held it in 17 quarters since. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Berkshire Asset Management held 1,018 shares of Costco worth $1.01M as of Q1 2026.
Berkshire Asset Management bought 33 Costco shares in Q1 2026, an estimated $32.2K.
Costco made up 0.04% of Berkshire Asset Management's portfolio in Q1 2026, its #132 holding.
Berkshire Asset Management first reported a position in Costco in Q3 2015 and has held it in 17 quarters since.
4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Berkshire Asset Management's 13F filing for Q1 2026, filed 11 May 2026.