SEI Investments Co
$105.20
Market Cap
$12.58B
Shares Outstanding
120.0M
Primary Exchange
XNAS
Currency
USD
Type
CS
IPO Date
Mar 25, 1981
Round Lot
100
Locale
US
Day Open
$104.85
Day High
$106.26
Day Low
$104.21
Volume
3.54M
VWAP
$105.22
Prev Close
$104.85
Transactions
--
Acc. Volume
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SEI Investments provides investment processing, management, and operations services to financial institutions, asset managers, asset owners, and financial advisors in four material segments: private banks, investment advisors, institutional investors, and investment managers. SEI also has a minority interest in LSV Asset Management, a value equity asset manager with about $99 billion in assets under management. As of December 2025, SEI (including LSV) manages, administers, or advises about $1.9 trillion in assets.
SEI Investments Co (SEIC) closed the 2026-09-18 session at $105.20, up 0.33% versus the previous close (+0.35). The stock opened at $104.85 and traded between $104.21 and $106.26 during that session. Session trading volume was 3.5M shares. The volume-weighted average price (VWAP) is $105.22.
SEI Investments provides investment processing, management, and operations services to financial institutions, asset managers, asset owners, and financial advisors in four material segments: private banks, investment advisors, institutional investors, and investment managers. SEI also has a minority interest in LSV Asset Management, a value equity asset manager with about $99 billion in assets under management. As of December 2025, SEI (including LSV) manages, administers, or advises about $1.9 trillion in assets.
SEI Investments Co has a market capitalization of $12.58 billion. The company operates in the SECURITY BROKERS, DEALERS & FLOTATION COMPANIES industry classification. SEIC is listed on the XNAS exchange. The company employs approximately 5,029 people. SEI Investments Co is headquartered in OAKS, PA. The recorded listing date is 1981-03-25.
On this page you can find market SEIC stock price data, interactive price charts with multiple timeframes (1 day to max history), company financials including income statements, balance sheets, and cash flow statements, technical indicators (SMA 50, SMA 200, EMA 20, MACD, RSI), latest news and sentiment analysis, dividend history, stock splits, short interest data, float information, and related stocks.
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