Identity
- Security key
- 21478
- Ticker
- SEIC
- Type
- CS — Common Stock
- Exchange
- Nasdaq(XNAS)
- Venue group
- NASDAQ
- Operating MIC
- XNAS
- Market
- stocks
- Locale
- us
- Currency
- USD
- Listed
- 1981-03-25
- Round lot
- 100
- Active
- Yes
- Last seen in a load
- 2026-08-14 20:49
- Vendor updated
- 2026-08-13 06:09
- Ticker root / suffix
- SEIC
Detail
Enriched 2026-08-14 20:47
- Market cap
- $12,666,824,468.28
- Shares outstanding (class)
- 120,019,182
- Shares outstanding (weighted)
- 120,019,182
- SIC
- 6211 SECURITY BROKERS, DEALERS & FLOTATION COMPANIES
- Employees
- 5,029
- Location
- OAKS, PA
- Homepage
- https://www.seic.com
- Description
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.
Market cap and share counts drift.