Martingale Asset Management’s SEI Investments SEIC Stock Holding History

Martingale Asset Management’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	$4.41M	Sell	50,324 -35,206	-41%	-$3.07M	0.1%	201
2026 Q1	$6.71M	Sell	85,530 -237	-0.3%	-$19.5K	0.17%	142
2025 Q4	$7.03M	Sell	85,767 -131,137	-60%	-$10.8M	0.18%	130
2025 Q3	$18.4M	Sell	216,904 -11,100	-5%	-$986K	0.46%	76
2025 Q2	$20.5M	Sell	228,004 -3,639	-2%	-$293K	0.5%	75
2025 Q1	$18M	Buy	231,643 +972	+0.4%	+$78.1K	0.46%	85
2024 Q4	$19M	Buy	230,671 +128,006	+125%	+$10M	0.46%	82
2024 Q3	$7.1M	Sell	102,665 -4,041	-4%	-$270K	0.16%	140
2024 Q2	$6.9M	Buy	106,706 +9,593	+10%	+$645K	0.15%	144
2024 Q1	$6.98M	Buy	+97,113	New	+$6.45M	0.14%	149

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

Martingale Asset Management's SEIC Position: Q2 2026 in Review

Martingale Asset Management reduced its SEI Investments (SEIC) stake by 41% in Q2 2026, selling an estimated $3.07M and leaving 50,324 shares worth $4.41M. The position accounts for 0.1% of the portfolio, ranked #201.

Martingale Asset Management first reported a position in SEIC in Q1 2024 and has held it in 10 quarters since. The position peaked at $20.5M in Q2 2025. 572 funds tracked by Wall St. Rank hold SEIC as of Q2 2026.

Martingale Asset Management held 50,324 shares of SEI Investments worth $4.41M as of Q2 2026.
Martingale Asset Management sold 35,206 SEI Investments shares in Q2 2026, an estimated $3.07M.
SEI Investments made up 0.1% of Martingale Asset Management's portfolio in Q2 2026, its #201 holding.
Martingale Asset Management first reported a position in SEI Investments in Q1 2024 and has held it in 10 quarters since.
Martingale Asset Management's SEI Investments position peaked at $20.5M in Q2 2025.
572 funds tracked by Wall St. Rank held SEI Investments as of Q2 2026.

Based on Martingale Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.