Magnetar Financial’s Capital One COF Stock Holding History

Magnetar Financial’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
2013 Q4	–	Sell	-6,500	Closed	-$447K	–	257
2013 Q3	$447K	Buy	+6,500	New	+$437K	0.01%	410

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

Magnetar Financial's COF Position: Q1 2026 in Review

Magnetar Financial sold out of Capital One (COF) in Q1 2026, closing a stake of 17,524 shares — an estimated $4.25M sold.

Magnetar Financial first reported a position in COF in Q3 2016 and held it in 10 quarters. The position peaked at $4.41M in Q3 2025. 2,063 funds tracked by Wall St. Rank hold COF as of Q1 2026.

Magnetar Financial reported no remaining Capital One position as of Q1 2026 after selling out during the quarter.
Magnetar Financial sold 17,524 Capital One shares in Q1 2026, an estimated $4.25M.
Magnetar Financial first reported a position in Capital One in Q3 2016 and held it in 10 quarters.
Magnetar Financial's Capital One position peaked at $4.41M in Q3 2025.
2,063 funds tracked by Wall St. Rank held Capital One as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.