Group One Trading’s SEI Investments SEIC Stock Holding History

Group One Trading’s Portfolio SEIC Stock Details SEIC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-1,400	Closed	-$110K	–	8391
2026 Q1	$110K	Buy	+1,400	New	+$115K	﹤0.01%	4641
2025 Q4	–	Sell	-800	Closed	-$67.9K	–	9054
2025 Q3	$67.9K	Buy	800 +300	+60%	+$26.7K	﹤0.01%	5707
2025 Q2	$44.9K	Buy	+500	New	+$40.3K	﹤0.01%	5666
2019 Q2	–	Sell	-3,000	Closed	-$157K	–	5342
2019 Q1	$157K	Buy	+3,000	New	+$150K	﹤0.01%	2873

Other funds holding SEIC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Loomis, Sayles & Company Boston, Massachusetts $79.8B AUM 16.05% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Group One Trading's SEIC Position: Q2 2026 in Review

Group One Trading reduced its SEI Investments (SEIC) stake by 96% in Q2 2026, selling an estimated $17K and leaving 8 shares worth $702. The position accounts for ﹤0.01% of the portfolio, ranked #7241.

Group One Trading first reported a position in SEIC in Q1 2018 and has held it in 11 quarters since. The position peaked at $226K in Q2 2019. 573 funds tracked by Wall St. Rank hold SEIC as of Q2 2026.

Group One Trading held 8 shares of SEI Investments worth $702 as of Q2 2026.
Group One Trading sold 195 SEI Investments shares in Q2 2026, an estimated $17K.
SEI Investments made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #7241 holding.
Group One Trading first reported a position in SEI Investments in Q1 2018 and has held it in 11 quarters since.
Group One Trading's SEI Investments position peaked at $226K in Q2 2019.
573 funds tracked by Wall St. Rank held SEI Investments as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.