How many employees does SEI Investments Company have?

SEI Investments Company reported 4,997 employees for the fiscal year ending Dec 2025, in the annual report it filed on February 23, 2026. That is down 1.4% from a year earlier.

What is SEI Investments Company's revenue per employee?

SEI Investments Company brought in $2.30B of revenue in fiscal Dec 2025, which is $460K per employee. That ranks 23 of 29 companies we track in Asset Management, where the median is $941K.

Where do these numbers come from?

Employee counts and revenue are taken from each company's own annual report (Form 10-K). Open roles are counted from the company's public job board where we have matched one. Companies report headcount once a year, sometimes rounded, so small changes can be noise.

Company data

SEI Investments Company employees and revenue per employee

SEIC · Asset Management · $12.3B market cap

SEI Investments Company had 4,997 employees at the end of fiscal Dec 2025, down 1.4% from a year earlier. Revenue for the year was $2.30B, up 8.1% from a year earlier, or $460K per employee. Revenue held up or grew while headcount stayed flat or fell.

Employees

4,997

-1.4% YoY

Revenue

$2.30B

+8.1% YoY

Revenue / employee

$460K

Peer median $941K

Rank in industry

23 of 29

Asset Management

Headcount against revenue

Both lines start at 100 in the first year we hold, so you can see which one grew faster.

EmployeesRevenueIndexed to 100 in Dec 2016

Hover a year for the numbers.

SEIC employees and revenue by fiscal year
Year ending	Employees	Revenue	Per employee	Staff YoY	Revenue YoY
Dec 2025	4,997	$2.30B	$460K	-1.4%	+8.1%
Dec 2024	5,066	$2.13B	$419K	+0.1%	+10.7%
Dec 2023	5,061	$1.92B	$379K	+5.3%	-3.6%
Dec 2022	4,805	$1.99B	$414K	+9.9%	+3.8%
Dec 2021	4,371	$1.92B	$439K	+10.3%	+13.9%
Dec 2020	3,963	$1.68B	$425K	+6.4%	+2.1%
Dec 2019	3,724	$1.65B	$443K	-2.5%	+1.6%
Dec 2018	3,820	$1.62B	$425K	+5.6%	+6.4%
Dec 2017	3,616	$1.53B	$422K	+13.5%	+8.9%
Dec 2016	3,186	$1.40B	$440K	—	—

Open roles: we have not matched a verified job board for this company yet.

Employees, last six fiscal years

Revenue per employee, last six fiscal years

SEI Investments Company against similar companies

The closest industry peers by revenue, from Asset Management.

Company	Employees	Revenue	Revenue / employee	Shape
TPG TPG Inc.	1,900	$4.67B	$2.46M	Leaner
OWL Blue Owl Capital Inc.	1,365	$2.87B	$2.10M	Efficient growth
CRBG Corebridge Financial, Inc.	4,800	$2.89B	$602K	Leaner
ARCC Ares Capital Corporation	4,250	$2.24B	$528K	Hiring into decline
SEIC SEI Investments Company	4,997	$2.30B	$460K	Leaner
AMG Affiliated Managers Group, Inc.	5,600	$2.45B	$437K	Hiring ahead
MGRB Affiliated Managers Group, Inc.	5,600	$2.45B	$437K	Hiring ahead
MGRD Affiliated Managers Group, Inc.	5,600	$2.45B	$437K	Hiring ahead
BAM Brookfield Asset Management Ltd.	250,000	$4.61B	$18K	Leaner

Every Financial Services company

Questions about SEI Investments Company

How many employees does SEI Investments Company have?: SEI Investments Company reported 4,997 employees for the fiscal year ending Dec 2025, in the annual report it filed on February 23, 2026. That is down 1.4% from a year earlier.
What is SEI Investments Company's revenue per employee?: SEI Investments Company brought in $2.30B of revenue in fiscal Dec 2025, which is $460K per employee. That ranks 23 of 29 companies we track in Asset Management, where the median is $941K.
Where do these numbers come from?: Employee counts and revenue are taken from each company's own annual report (Form 10-K). Open roles are counted from the company's public job board where we have matched one. Companies report headcount once a year, sometimes rounded, so small changes can be noise.

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More data

Compare SEIC with the rest of the market

See who earns the most per employee, who is hiring, and who is cutting, across every company we track.

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Source: employee counts and revenue as stated in SEI Investments Company's annual reports (Form 10-K), latest filed February 23, 2026. This is data, not a recommendation to buy or sell SEIC.