MSR
COF icon

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
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
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Harris Associates
Harris Associates Chicago, Illinois $75B AUM 11.27% 1-Year Est. Return

Main Street Research's COF Position: Q1 2026 in Review

Main Street Research increased its Capital One (COF) stake by 14% in Q1 2026, buying an estimated $30.7K and bringing the position to 1,180 shares worth $215K. The position accounts for 0.01% of the portfolio, ranked #138.

Main Street Research first reported a position in COF in Q1 2024 and has held it in 6 quarters since. The position peaked at $250K in Q4 2025. 2,063 funds tracked by Wall St. Rank hold COF as of Q1 2026.

  • Main Street Research held 1,180 shares of Capital One worth $215K as of Q1 2026.
  • Main Street Research bought 147 Capital One shares in Q1 2026, an estimated $30.7K.
  • Capital One made up 0.01% of Main Street Research's portfolio in Q1 2026, its #138 holding.
  • Main Street Research first reported a position in Capital One in Q1 2024 and has held it in 6 quarters since.
  • Main Street Research's Capital One position peaked at $250K in Q4 2025.
  • 2,063 funds tracked by Wall St. Rank held Capital One as of Q1 2026.

Based on Main Street Research's 13F filing for Q1 2026, filed 30 Apr 2026.