Castleark Management’s Capital One COF Stock Holding History

Castleark Management’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	–	Sell	-32,920	Closed	-$7.98M	–	305
2025 Q4	$7.98M	Buy	32,920 +16,780	+104%	+$3.74M	0.23%	95
2025 Q3	$3.43M	Buy	+16,140	New	+$3.53M	0.1%	171
2025 Q2	–	Sell	-45,730	Closed	-$8.2M	–	288
2025 Q1	$8.2M	Buy	45,730 +9,470	+26%	+$1.79M	0.28%	51
2024 Q4	$6.47M	Buy	+36,260	New	+$6.28M	0.23%	107

Other funds holding COF

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

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Harris Associates Chicago, Illinois $75B AUM 11.27% 1-Year Est. Return

Castleark Management's COF Position: Q1 2026 in Review

Castleark Management sold out of Capital One (COF) in Q1 2026, closing a stake of 32,920 shares — an estimated $7.98M sold.

Castleark Management first reported a position in COF in Q4 2024 and held it in 4 quarters. The position peaked at $8.2M in Q1 2025. 2,063 funds tracked by Wall St. Rank hold COF as of Q1 2026.

Castleark Management reported no remaining Capital One position as of Q1 2026 after selling out during the quarter.
Castleark Management sold 32,920 Capital One shares in Q1 2026, an estimated $7.98M.
Castleark Management first reported a position in Capital One in Q4 2024 and held it in 4 quarters.
Castleark Management's Capital One position peaked at $8.2M in Q1 2025.
2,063 funds tracked by Wall St. Rank held Capital One as of Q1 2026.

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