Companies: 10,795·Total market cap: $144.5T
SEI Investments Company

SEI Investments Company

SEICNASDAQFinancial Services● Active
$88.67
$-0.75(-0.84%)
Market Cap$10.7B
P/E Ratio—
52W High$93.96
52W Low$75.08
EmployeesOwnershipInsider Trades

SEI Investments Company (SEIC) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · SEIC · as of Feb 23, 2026

Latest filing snapshot

5,000
-66-1.30%vs prior year

SEI Investments Company (SEIC) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2025-12-31·Full-time · Global
Total Employees
5,000
Change (1Y)
-66
Growth % (1Y)
-1.30%
Revenue / Employee
$459.5K
Net Income / Employee
$143.1K
Market Cap
$10.7B

SEIC Employee Count

1995 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing DateEmployeesChange (1Y)Growth (1Y)SEC filing link
2026-02-235,000-66-1.30%
2025-02-205,066+5+0.10%
2024-02-205,061+256+5.33%
2023-02-214,805+434+9.93%
2022-02-224,371+408+10.30%
2021-02-223,963+239+6.42%
2020-02-243,724-96-2.51%
2019-02-253,820+204+5.64%
2018-02-223,616+430+13.50%
2017-02-223,186+260+8.89%

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Asset Management
#SymbolCompanyEmployees
#1
FactSet Research Systems Inc.
FDS
FactSet Research Systems Inc.
12,598#2
Franklin Resources, Inc.
BEN
Franklin Resources, Inc.
10,000#3
Invesco Ltd.
IVZ
Invesco Ltd.
8,495#4
Comerica Incorporated
CMA
Comerica Incorporated
7,860#5
Atlas Corp.
ATCO
Atlas Corp.
6,200#6
SEI Investments Company
SEIC
SEI Investments CompanyYOU
5,000#7
Affiliated Managers Group, Inc.
AMG
Affiliated Managers Group, Inc.
4,100
Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · SEIC peer comparison

About SEIC employees

SEIC Employees · Headcount

SEI Investments Company (SEIC) employee data is sourced from the annual SEC 10-K filing. As of 2025, SEI Investments Company had 5,000 full-time employees globally. Full-time employees only. Global consolidated headcount.

SEI Investments Company employs 5,000 full-time employees as of the latest filing within the Asset Management industry. Revenue per employee stands at $459,476, reflecting the company's operational efficiency.

SEI Investments Company's workforce decreased by 66 (1.30%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

SEI Investments Company's revenue per employee of $459,476 positions it among the notable performers in the Asset Management sector for operational efficiency.

RevenueFinancial statementsNet incomeSEC filingsPrice historyForecast & ratingsOwnershipEarnings

Frequently Asked Questions

SEIC Employees · 5 questions

As of the latest SEC 10-K filing (2025), SEI Investments Company had 5,000 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

SEI Investments Company employee counthow many employees does SEI Investments Company haveSEIC total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-23