401(k) · DOL Form 5500 · 2022
Seattle Childrens Healthcare System 401(k) Plan
Data updated 2026-08-11
- $967M
- Total assets
- 8,566
- Participants
- 99th
- Percentile by assets
- $112,837
- Avg per participant
Official DOL plan name: Seattle Children's Healthcare System Employees Retirement Plan · Sponsored by Seattle Childrens Healthcare System · Washington · Healthcare & Social Assistance
$967M in assets, 8,566 participants
Seattle Childrens Healthcare System's Seattle Children's Healthcare System Employees Retirement Plan reported $967M in total assets and 8,566 participants in its 2022 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 139,126 plans)
- #19,877 in Healthcare & Social Assistance (20,060 peers)
Coverage in Washington
Seattle Children's Healthcare System Employees Retirement Plan covers 8,566 participants in Washington, 5.8x the typical Washington plan (state average ~1,476 per filing). Assets: $967M.
- $967M
- total plan assets (2022 EOY)
- 8,566
- covered participants
- 99th
- percentile by assets (of 139,126 plans)
- $112,837
- avg assets per participant
The plan reported a net loss of $142M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
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 8,566 participants - 5.8x that state average ($967M EOY assets).
Washington filing particulars
| Total Assets (Beginning of Year) | $1.1B |
|---|---|
| Net Assets (End of Year) | $967M |
| Net Income | -$142M |
| Employer EIN | 911250116 |
| Plan Effective Date | 1989-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Seattle Childrens Healthcare System)
| 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
- The Boeing Company 401(k) Retirement Plan $63.5B · 118,434
- Microsoft Corporation Savings Plus 401(k) Plan $39.6B · 109,797
- Costco 401(k) Retirement Plan $25.9B · 181,505
- Amazon 401(k) Plan $17.7B · 1,230,308
- T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust $7.3B · 75,797
Scale composition for Seattle Children's Healthcare System Employees Retirement Plan
Seattle Children's Healthcare System Employees Retirement Plan reports $967M in end-of-year assets across 8,566 participants (0.008% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.009% of 93,925,755 covered participants) - about $112,837 per participant (82% of the national average assets-per-participant) . Net income for plan year 2022 was -$142M.
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 | This page |
| 2023 | 9,491 | $1.2B | Open filing |
| 2024 · index core | 10,042 | $1.5B | Open filing |
The same sponsor also keeps 2 other index-core plans on PlainRetire:
- Seattle Children's Healthcare System Employees Retirement Plan (401(k), $1.5B, 10,042 participants)
- Seattle Children's 403(b) Plan (Other, $284M, 9,721 participants)
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.
- Marsh & Mclennan Agency 401(k) Savings & Investment Plan (NY) $967M · 8,077
- Teradata Savings Plan (CA) $968M · 2,188
- Servicenow, Inc. 401(k) Plan (CA) $968M · 9,375
- Kindred 401 (K) Plan (KY) $969M · 22,132
Frequently Asked Questions
How did Seattle Children's Healthcare System Employees Retirement Plan assets move in 2022? ▼
How have Seattle Childrens Healthcare System plan assets changed over time? ▼
Where does Seattle Children's Healthcare System Employees Retirement Plan rank by assets among Form 5500 filers? ▼
Which 401(k) plans are similar in size to Seattle Children's Healthcare System Employees Retirement Plan? ▼
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.
- By total assets, Seattle Children's Healthcare System Employees Retirement Plan ranks among the largest 1% of all filed plans. See the largest plans
- Compare it side-by-side against 3 similar 401(k) plans in Washington. Compare plans
- Seattle Childrens Healthcare System's sponsor-wide assets have grown 47.8% since 2022 across 3 plan years on file. More Healthcare & Social Assistance plans