Horizon Kinetics Asset Management’s Costco COST Stock Holding History

Horizon Kinetics 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	$207K	Buy	+208	New	+$203K	﹤0.01%	299
2025 Q3	–	Sell	-205	Closed	-$203K	–	342
2025 Q2	$203K	Buy	+205	New	+$204K	﹤0.01%	314
2021 Q1	–	Sell	-553	Closed	-$208K	–	346
2020 Q4	$208K	Sell	553 -23	-4%	-$8.59K	0.01%	325
2020 Q3	$204K	Buy	+576	New	+$194K	0.01%	336
2020 Q1	–	Sell	-979	Closed	-$288K	–	401
2019 Q4	$288K	Hold	979	–	–	0.01%	360
2019 Q3	$282K	Sell	979 -70	-7%	-$19.7K	0.01%	415
2019 Q2	$277K	Buy	+1,049	New	+$261K	0.01%	425

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 $137B AUM 18.02% 1-Year Est. Return

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

Horizon Kinetics Asset Management's COST Position: Q1 2026 in Review

Horizon Kinetics Asset Management opened a new position in Costco (COST) in Q1 2026: 208 shares worth $207K. The stake represents ﹤0.01% of the portfolio and ranks #299 among its holdings. This is a return to the name: Horizon Kinetics Asset Management previously reported a position in COST as recently as Q2 2025.

Horizon Kinetics Asset Management first reported a position in COST in Q2 2019 and has held it in 7 quarters since. The position peaked at $288K in Q4 2019. 4,238 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Horizon Kinetics Asset Management held 208 shares of Costco worth $207K as of Q1 2026.
Costco was a new Horizon Kinetics Asset Management position in Q1 2026.
Costco made up ﹤0.01% of Horizon Kinetics Asset Management's portfolio in Q1 2026, its #299 holding.
Horizon Kinetics Asset Management first reported a position in Costco in Q2 2019 and has held it in 7 quarters since.
Horizon Kinetics Asset Management's Costco position peaked at $288K in Q4 2019.
4,238 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Horizon Kinetics Asset Management's 13F filing for Q1 2026, filed 15 May 2026.