Data as of Q4 2025 (Dec 31, 2025)

SEI INVESTMENTS CO

โ€ขCIK: 350894โ€ขFiling: Q4 2025

SEI Investments Co. (SEIC), with $101.3 billion in assets under management, is known for its concentrated, high-conviction investment strategy, often led by the seasoned team of Mark F. Fetting and John D. O'Brien. Recently, SEIC has made notable moves by adding positions in MAT and TPL, up 1722% and 1041% respectively, while exiting TTEN and Unilever P, reflecting a focus on high-growth opportunities and a shift away from underperforming assets.

Total AUM
$101.3B
QoQ Performance
+8.9%
Positions
2,871
Top 10 Concentration
30.4%
Latest Filing
Q4 2025

Top Holdings Allocation

NVDA3.5%
MSFT3.4%
AAPL2.5%
AMZN2.2%
VEA1.6%
SCHG1.4%
AVGO1.4%
GOOG1.4%

๐Ÿ“ˆ Biggest Buys

NXUS
NUSHARES ETF TR
NEW
0.4% of portfolio
NFLX
NETFLIX INC
+734.7%
0.4% of portfolio
AMZN
AMAZON COM INC
+15.7%
2.2% of portfolio
NHYB
NUSHARES ETF TR
NEW
0.2% of portfolio
NOW
SERVICENOW INC
+385.9%
0.3% of portfolio

๐Ÿ“‰ Biggest Sells

SNOW
SNOWFLAKE INC
-26.8%
0.3% of portfolio
AMD
ADVANCED MICRO DEVICES INC
-26.7%
0.3% of portfolio
DUT
MOODYS CORP
-42.7%
0.1% of portfolio
ETN
EATON CORP PLC
-41.2%
0.1% of portfolio
MLB1
MERCADOLIBRE INC
-26.1%
0.2% of portfolio

Sector Breakdown

Other55.4%
Technology25.5%
Consumer5.9%
Financial5.0%
Healthcare3.7%
Communication1.7%
Real Estate1.1%
Industrial0.8%

๐Ÿšช Exited Positionssold since Q3 2025

ECL
ECOLAB INC
SOLD
$174.1M
DHI
D R HORTON INC
SOLD
$124.9M
O
REALTY INCOME CORP
SOLD
$121.0M
ATO
ATMOS ENERGY CORP
SOLD
$108.9M
BOX
BOX INC
SOLD
$107.0M
+2611 more exited positions

Changes from Q3 2025

NEW2 new positions
โ†‘147 increased
โ†“51 decreased

Historical Filings

Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023