401(k) · DOL Form 5500 · 2024

Seattle Childrens Healthcare System 401(k) Plan

Data updated 2026-08-11

$1.5B
Total assets
10,042
Participants
99th
Percentile by assets
$144,934
Avg per participant
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Official DOL plan name: Seattle Children's Healthcare System Employees Retirement Plan · Sponsored by Seattle Childrens Healthcare System · Washington · Healthcare & Social Assistance

$1.5B in assets, 10,042 participants

Seattle Childrens Healthcare System's Seattle Children's Healthcare System Employees Retirement Plan reported $1.5B in total assets and 10,042 participants in its 2024 DOL Form 5500 filing, ranking in the 99th 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.

  • 99th percentile by assets (of 123,622 plans)
  • #16,761 in Healthcare & Social Assistance (16,916 peers)

Coverage in Washington

Seattle Children's Healthcare System Employees Retirement Plan covers 10,042 participants in Washington, 6.8x the typical Washington plan (state average ~1,476 per filing). Assets: $1.5B.

$1.5B
total plan assets (2024 EOY)
10,042
covered participants
99th
percentile by assets (of 123,622 plans)
$144,934
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Seattle Children's Healthcare System Employees Retirement Plan end-of-year assets rose from $1.2B in the plan year 2023 filing to $1.5B in the plan year 2024 filing.
  • Seattle Children's Healthcare System Employees Retirement Plan reported participants rose from 9,491 in the plan year 2023 filing to 10,042 in the plan year 2024 filing.
  • Seattle Children's Healthcare System Employees Retirement Plan reported net income fell from $248M in the plan year 2023 filing to $241M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Participants vs Washington filers

In Washington, the average filing covers about 1,476 participants across 2,612 plans. Seattle Children's Healthcare System Employees Retirement Plan reports 10,042 participants - 6.8x that state average ($1.5B EOY assets).

Washington filing particulars

Total Assets (Beginning of Year)$1.2B
Net Assets (End of Year)$1.5B
Net Income$241M
Employer EIN911250116
Plan Effective Date1989-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Seattle Childrens Healthcare System)

$1B$1.2B$1.4B$1.6B$1.8B 202220232024 $1.18B $1.74B ▲ +47.5%
Total plan assets by year, all Seattle Childrens Healthcare System plans on file
Year Plans Participants Total Assets
2022 2 16,818 $1.2B
2023 2 18,828 $1.5B
2024 2 19,763 $1.7B

Nearby 401(k) Plans in Washington

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

Seattle Children's Healthcare System Employees Retirement Plan vs. nearby 401(k) plans in Washington, assets vs. participants

Seattle Children's Healthcare System Employees Retirement Plan vs. nearby 401(k) plans in Washington, assets vs. participants Scatter plot of 6 data points. -500000050000010000001500000 -20020406080 Total assets ($B) Participants Seattle Children's H…The Boeing Company 4…Microsoft Corporatio…Costco 401(k) Retire…Amazon 401(k) Plan401(k) Savings Plan
Seattle Children's Healthcare System Employees Retirement Plan vs. nearby 401(k) plans in Washington, assets vs. participants

Scale composition for Seattle Children's Healthcare System Employees Retirement Plan

Seattle Children's Healthcare System Employees Retirement Plan reports $1.5B in end-of-year assets across 10,042 participants (0.012% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.011% of 93,925,755 covered participants) - about $144,934 per participant (1.0x the national average assets-per-participant) . Net income for plan year 2024 was $241M.

This plan identity (EIN 911250116, plan #003) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $967M to $1.5B (+50.6%) while covered participants moved from 8,566 to 10,042 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 8,566 $967M Open filing
2023 9,491 $1.2B Open filing
2024 · index core 10,042 $1.5B This page

The same sponsor also keeps 1 other index-core plan on PlainRetire:

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Seattle Children's Healthcare System Employees Retirement Plan by total assets, not by location.

Frequently Asked Questions

How did Seattle Children's Healthcare System Employees Retirement Plan assets move in 2024?
Seattle Children's Healthcare System Employees Retirement Plan grew sharply - up 19.9% during 2024, from $1.2B to $1.5B. Reported net income was $241M.
How have Seattle Childrens Healthcare System plan assets changed over time?
Across 3 plan years on file (2022-2024), Seattle Childrens Healthcare System's sponsor-wide assets grew 47.8%, from $1.2B to $1.7B.
Where does Seattle Children's Healthcare System Employees Retirement Plan rank by assets among Form 5500 filers?
Seattle Children's Healthcare System Employees Retirement Plan ranks in the 99th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Seattle Children's Healthcare System Employees Retirement Plan?
Among 401(k) plans in other states, the closest by assets is Volvo Group North America Voluntary Investment Pretax Plan in NC ($1.5B, 5,452 participants).

Next read for Seattle Children's Healthcare System Emp…

Filing takeaways

Ways to act on Seattle Children's Healthcare System Employees Retirement Plan's numbers.