Main Street Research’s Capital One COF Stock Holding History

Main Street Research’s Portfolio COF Stock Details COF Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-1,180	Closed	-$215K	–	145
2026 Q1	$215K	Buy	1,180 +147	+14%	+$30.7K	0.01%	138
2025 Q4	$250K	Buy	1,033 +17	+2%	+$3.78K	0.01%	120
2025 Q3	$216K	Hold	1,016	–	–	0.01%	123
2025 Q2	$216K	Buy	+1,016	New	+$190K	0.01%	112
2025 Q1	–	Sell	-1,137	Closed	-$203K	–	109
2024 Q4	$203K	Buy	+1,137	New	+$197K	0.01%	108
2024 Q2	–	Sell	-1,519	Closed	-$226K	–	104
2024 Q1	$226K	Buy	+1,519	New	+$206K	0.02%	97

Other funds holding COF

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

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

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Harris Associates Chicago, Illinois $75.4B AUM 14.46% 1-Year Est. Return

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

Norges Bank Oslo, Norway $1T AUM

Main Street Research's COF Position: Q2 2026 in Review

Main Street Research sold out of Capital One (COF) in Q2 2026, closing a stake of 1,180 shares — an estimated $215K sold.

Main Street Research first reported a position in COF in Q1 2024 and held it in 6 quarters. The position peaked at $250K in Q4 2025. 2,125 funds tracked by Wall St. Rank hold COF as of Q2 2026.

Main Street Research reported no remaining Capital One position as of Q2 2026 after selling out during the quarter.
Main Street Research sold 1,180 Capital One shares in Q2 2026, an estimated $215K.
Main Street Research first reported a position in Capital One in Q1 2024 and held it in 6 quarters.
Main Street Research's Capital One position peaked at $250K in Q4 2025.
2,125 funds tracked by Wall St. Rank held Capital One as of Q2 2026.

Based on Main Street Research's 13F filing for Q2 2026, filed 29 Jul 2026.