Headlands Technologies’s SEI Investments SEIC Stock Holding History

Headlands Technologies’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 Q1	$1.21M	Sell	15,462 -8,597	-36%	-$708K	0.14%	166
2025 Q4	$1.97M	Buy	24,059 +8,719	+57%	+$717K	0.16%	141
2025 Q3	$1.3M	Buy	15,340 +4,263	+38%	+$379K	0.1%	197
2025 Q2	$995K	Sell	11,077 -4,204	-28%	-$339K	0.12%	180
2025 Q1	$1.19M	Buy	15,281 +12,293	+411%	+$988K	0.14%	168
2024 Q4	$246K	Sell	2,988 -11,586	-79%	-$909K	0.02%	478
2024 Q3	$1.01M	Buy	14,574 +6,955	+91%	+$464K	0.12%	192
2024 Q2	$493K	Buy	+7,619	New	+$512K	0.05%	284
2024 Q1	–	Sell	-9	Closed	-$572	–	1500
2023 Q4	$572	Buy	+9	New	+$525	﹤0.01%	907

Other funds holding SEIC

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

Loomis, Sayles & Company Boston, Massachusetts $74.3B AUM 24.01% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Lord, Abbett & Co Jersey City, New Jersey $30.6B AUM 57.44% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Headlands Technologies's SEIC Position: Q1 2026 in Review

Headlands Technologies reduced its SEI Investments (SEIC) stake by 36% in Q1 2026, selling an estimated $708K and leaving 15,462 shares worth $1.21M. The position accounts for 0.14% of the portfolio, ranked #166.

Headlands Technologies first reported a position in SEIC in Q4 2023 and has held it in 9 quarters since. The position peaked at $1.97M in Q4 2025. 565 funds tracked by Wall St. Rank hold SEIC as of Q1 2026.

Headlands Technologies held 15,462 shares of SEI Investments worth $1.21M as of Q1 2026.
Headlands Technologies sold 8,597 SEI Investments shares in Q1 2026, an estimated $708K.
SEI Investments made up 0.14% of Headlands Technologies's portfolio in Q1 2026, its #166 holding.
Headlands Technologies first reported a position in SEI Investments in Q4 2023 and has held it in 9 quarters since.
Headlands Technologies's SEI Investments position peaked at $1.97M in Q4 2025.
565 funds tracked by Wall St. Rank held SEI Investments as of Q1 2026.

Based on Headlands Technologies's 13F filing for Q1 2026, filed 13 May 2026.