Magnetar Financial’s Orion OEC Stock Holding History

Magnetar Financial’s Portfolio OEC Stock Details OEC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-56,625	Closed	-$429K	–	1139
2025 Q3	$429K	Buy	+56,625	New	+$572K	﹤0.01%	618
2018 Q3	–	Sell	-23,145	Closed	-$714K	–	644
2018 Q2	$714K	Buy	+23,145	New	+$673K	0.01%	204

Other funds holding OEC

Pzena Investment Management New York $30.8B AUM 11.29% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

DCM

Divisar Capital Management San Francisco, California $392M AUM 108.45% 1-Year Est. Return

Harvey Partners Tarrytown, New York $1.26B AUM 64.44% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Magnetar Financial's OEC Position: Q4 2025 in Review

Magnetar Financial sold out of Orion (OEC) in Q4 2025, closing a stake of 56,625 shares — an estimated $429K sold.

Magnetar Financial first reported a position in OEC in Q2 2018 and held it in 2 quarters. The position peaked at $714K in Q2 2018. 174 funds tracked by Wall St. Rank hold OEC as of Q4 2025.

Magnetar Financial reported no remaining Orion position as of Q4 2025 after selling out during the quarter.
Magnetar Financial sold 56,625 Orion shares in Q4 2025, an estimated $429K.
Magnetar Financial first reported a position in Orion in Q2 2018 and held it in 2 quarters.
Magnetar Financial's Orion position peaked at $714K in Q2 2018.
174 funds tracked by Wall St. Rank held Orion as of Q4 2025.

Based on Magnetar Financial's 13F filing for Q4 2025, filed 17 Feb 2026.