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
2026 Q2	$839K	Buy	+4,182	New	+$800K	0.01%	482
2026 Q1	–	Sell	-17,524	Closed	-$4.25M	–	1195
2025 Q4	$4.25M	Sell	17,524 -3,228	-16%	-$719K	0.04%	213
2025 Q3	$4.41M	Buy	+20,752	New	+$4.54M	0.03%	248
2022 Q1	–	Sell	-14,355	Closed	-$2.08M	–	1368
2021 Q4	$2.08M	Buy	14,355 +3,019	+27%	+$466K	0.02%	661
2021 Q3	$1.84M	Buy	+11,336	New	+$1.85M	0.02%	609
2019 Q4	–	Sell	-7,896	Closed	-$718K	–	547
2019 Q3	$718K	Buy	+7,896	New	+$710K	0.02%	294
2018 Q4	–	Sell	-2,128	Closed	-$202K	–	332
2018 Q3	$202K	Buy	+2,128	New	+$207K	﹤0.01%	459
2018 Q2	–	Sell	-2,576	Closed	-$247K	–	529
2018 Q1	$247K	Buy	+2,576	New	+$256K	﹤0.01%	493
2017 Q3	–	Sell	-8,983	Closed	-$742K	–	752
2017 Q2	$742K	Buy	8,983 +2,207	+33%	+$179K	0.01%	431
2017 Q1	$587K	Buy	+6,776	New	+$604K	0.01%	441
2016 Q4	–	Sell	-6,195	Closed	-$445K	–	95
2016 Q3	$445K	Buy	+6,195	New	+$425K	0.01%	393

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

Magnetar Financial's COF Position: Q2 2026 in Review

Magnetar Financial opened a new position in Capital One (COF) in Q2 2026: 4,182 shares worth $839K. The stake represents 0.01% of the portfolio and ranks #482 among its holdings. This is a return to the name: Magnetar Financial previously reported a position in COF as recently as Q4 2025.

Magnetar Financial first reported a position in COF in Q3 2016 and has held it in 11 quarters since. The position peaked at $4.41M in Q3 2025. 2,121 funds tracked by Wall St. Rank hold COF as of Q2 2026.

Magnetar Financial held 4,182 shares of Capital One worth $839K as of Q2 2026.
Capital One was a new Magnetar Financial position in Q2 2026.
Capital One made up 0.01% of Magnetar Financial's portfolio in Q2 2026, its #482 holding.
Magnetar Financial first reported a position in Capital One in Q3 2016 and has held it in 11 quarters since.
Magnetar Financial's Capital One position peaked at $4.41M in Q3 2025.
2,121 funds tracked by Wall St. Rank held Capital One as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.