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Sei Investments Co.

CIK:0000350894
Asset Manager
$148B AUM
2,783 holdings
Oaks, PA, United States
Founded:1968
5,098 employees
Latest filing:Jun 30, 2025

SEI Investments Company is a publicly owned asset management holding company headquartered in Oaks, Pennsylvania, United States. Founded in 1968, SEI provides asset management, investment technology, and outsourced processing solutions to clients including private banks, independent financial advisers, institutional investors, investment managers, corporations, retirement sponsors, endowments, foundations, and more. The firm operates globally with approximately 5,098 employees and offers wealth management, retirement solutions, and a range of financial services and products through its subsidiaries.

Investment Strategy

SEI utilizes a diverse range of investment strategies across public equity and fixed income markets, employing both fundamental and quantitative analysis. Their approach includes top-down and bottom-up portfolio construction, launching and managing equity, fixed income, and balanced mutual funds, and providing custom investment solutions. SEI focuses on delivering innovative, technology-driven asset management, emphasizing risk management, operational efficiency, and tailored client strategies through both direct and outsourced investment platforms.

Top Buys
M
MSFTMICROSOFT CORP
+$1.06B
N
NVDANVIDIA CORPORATION
+$994.0M
B
BNDVANGUARD BD INDEX FDS
+$368.0M
A
AVGOBROADCOM INC
+$346.3M
S
SCHGSCHWAB STRATEGIC TR
+$304.0M
Top Sells
B
BSVVANGUARD BD INDEX FDS
-$248.4M
A
AAPLAPPLE INC
-$148.3M
M
MTBASIMPLIFY EXCHANGE TRADED FUN
-$146.1M
M
MUBISHARES TR
-$108.9M
U
UNHUNITEDHEALTH GROUP INC
-$105.4M

Top Holdings

M
MSFTMICROSOFT CORP
+3.8%$3.26B
N
NVDANVIDIA CORPORATION
+3.2%$2.72B
A
AMZNAMAZON COM INC
+2.1%$1.80B
A
AAPLAPPLE INC
+1.8%$1.54B
V
VEAVANGUARD TAX-MANAGED FDS
+1.7%$1.47B

Equity Positions (2,674)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
M
MSFT
MICROSOFT CORP3.78%$3.26B6,551,690$239.21$497.41+$1.06B
N
NVDA
NVIDIA CORPORATION3.16%$2.72B17,246,524$30.59$157.99+$994.0M
A
AMZN
AMAZON COM INC2.09%$1.80B8,200,872$118.77$219.39+$138.2M
A
AAPL
APPLE INC1.78%$1.54B7,494,428$142.68$205.17-$148.3M
V
VEA
VANGUARD TAX-MANAGED FDS1.70%$1.47B25,743,436$36.95$57.01+$85.2M

Industry Allocation

SERVICES-PREPACKAGED SOFTWARE
+9.3%
SEMICONDUCTORS & RELATED DEVICES
+6.4%
REAL ESTATE INVESTMENT TRUSTS
+4.7%
SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC.
+3.7%
SERVICES-BUSINESS SERVICES, NEC
+3.6%