401(k) · DOL Form 5500 · 2024

Sei Investments Company 401(k) Plan

Data updated 2026-08-11

$882M
Total assets
4,283
Participants
98th
Percentile by assets
$205,884
Avg per participant
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Official DOL plan name: Sei Capital Accumulation Plan · Sponsored by Sei Investments Company · Pennsylvania · Professional & Technical Services

$882M in assets, 4,283 participants

Sei Investments Company's Sei Capital Accumulation Plan reported $882M in total assets and 4,283 participants in its 2024 DOL Form 5500 filing, ranking in the 98th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • 98th percentile by assets (of 123,622 plans)
  • #19,941 in Professional & Technical Services (20,173 peers)

Coverage in Pennsylvania

Sei Capital Accumulation Plan covers 4,283 participants in Pennsylvania, 5.2x the typical Pennsylvania plan (state average ~822 per filing). Assets: $882M.

$882M
total plan assets (2024 EOY)
4,283
covered participants
98th
percentile by assets (of 123,622 plans)
$205,884
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Sei Capital Accumulation Plan reported net income rose from $98M in the plan year 2023 filing to $117M in the plan year 2024 filing.
  • Sei Capital Accumulation Plan end-of-year assets rose from $766M in the plan year 2023 filing to $882M in the plan year 2024 filing.
  • Sei Capital Accumulation Plan reported participants rose from 4,047 in the plan year 2023 filing to 4,283 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Participants vs Pennsylvania filers

In Pennsylvania, the average filing covers about 822 participants across 5,751 plans. Sei Capital Accumulation Plan reports 4,283 participants - 5.2x that state average ($882M EOY assets).

Pennsylvania filing particulars

Total Assets (Beginning of Year)$766M
Net Assets (End of Year)$882M
Net Income$117M
Employer EIN231707341
Plan Effective Date1983-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Sei Investments Company)

$600M$700M$800M$900M$1,000M 202220232024 $668M $882M ▲ +32.0%
Total plan assets by year, all Sei Investments Company plans on file
Year Plans Participants Total Assets
2022 1 3,650 $668M
2023 1 4,047 $766M
2024 1 4,283 $882M

Nearby 401(k) Plans in Pennsylvania

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Sei Capital Accumulation Plan vs. nearby 401(k) plans in Pennsylvania, assets vs. participants

Sei Capital Accumulation Plan vs. nearby 401(k) plans in Pennsylvania, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000100000 -50510152025 Total assets ($B) Participants Sei Capital Accumula…Comcast Corporation …The Cigna Group 401(…The Vanguard Retirem…Thermo Fisher Scient…The PNC Financial Se…
Sei Capital Accumulation Plan vs. nearby 401(k) plans in Pennsylvania, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Sei Capital Accumulation Plan by total assets, not by location.

Frequently Asked Questions

How did Sei Capital Accumulation Plan assets move in 2024?
Sei Capital Accumulation Plan grew sharply - up 15.1% during 2024, from $766M to $882M. Reported net income was $117M.
How have Sei Investments Company plan assets changed over time?
Across 3 plan years on file (2022-2024), Sei Investments Company's sponsor-wide assets grew 32.0%, from $668M to $882M.
Where does Sei Capital Accumulation Plan rank by assets among Form 5500 filers?
Sei Capital Accumulation Plan ranks in the 98th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Sei Capital Accumulation Plan?
Among 401(k) plans in other states, the closest by assets is Forvis Mazars, LLP Employees Savings Plan II in MO ($881M, 2,951 participants).

Filing takeaways

Ways to act on Sei Capital Accumulation Plan's numbers.