Walleye Trading’s Orion OEC Stock Holding History

Walleye Trading’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	-21,877	Closed	-$119K	–	4711
2025 Q3	$166K	Buy	21,877 +9,124	+72%	+$92.2K	﹤0.01%	3465
2025 Q2	$134K	Buy	+12,753	New	+$144K	﹤0.01%	3454
2024 Q2	–	Sell	-1,907	Closed	-$44.9K	–	4735
2024 Q1	$44.9K	Buy	+1,907	New	+$44.1K	﹤0.01%	4051
2022 Q4	–	Sell	-11,995	Closed	-$160K	–	5259
2022 Q3	$160K	Buy	11,995 +3,732	+45%	+$60.7K	﹤0.01%	3836
2022 Q2	$128K	Sell	8,263 -23,484	-74%	-$393K	﹤0.01%	4012
2022 Q1	$507K	Buy	31,747 +30,763	+3,126%	+$530K	﹤0.01%	2909
2021 Q4	$18K	Buy	+984	New	+$18.3K	﹤0.01%	4961
2021 Q3	–	Sell	-1,858	Closed	-$33.2K	–	5557
2021 Q2	$35K	Buy	+1,858	New	+$36.8K	﹤0.01%	4717
2018 Q4	–	Sell	-2,300	Closed	-$74K	–	5107
2018 Q3	$74K	Buy	+2,300	New	+$76.3K	﹤0.01%	4367
2017 Q1	–	Sell	-400	Closed	-$8K	–	5032
2016 Q4	$8K	Buy	+400	New	+$7.63K	﹤0.01%	4369
2016 Q3	–	Sell	-3,900	Closed	-$62K	–	5251
2016 Q2	$62K	Buy	+3,900	New	+$58.6K	﹤0.01%	3847

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

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

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

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

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

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

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Walleye Trading's OEC Position: Q4 2025 in Review

Walleye Trading sold out of Orion (OEC) in Q4 2025, closing a stake of 21,877 shares — an estimated $119K sold.

Walleye Trading first reported a position in OEC in Q2 2016 and held it in 11 quarters. The position peaked at $507K in Q1 2022. 174 funds tracked by Wall St. Rank hold OEC as of Q4 2025.

Walleye Trading reported no remaining Orion position as of Q4 2025 after selling out during the quarter.
Walleye Trading sold 21,877 Orion shares in Q4 2025, an estimated $119K.
Walleye Trading first reported a position in Orion in Q2 2016 and held it in 11 quarters.
Walleye Trading's Orion position peaked at $507K in Q1 2022.
174 funds tracked by Wall St. Rank held Orion as of Q4 2025.

Based on Walleye Trading's 13F filing for Q4 2025, filed 13 Feb 2026.