401(k) · DOL Form 5500 · 2022
Seattle Childrens Healthcare System 401(k) Plan
Data updated 2026-08-25
- $967M
- Total assets Above avg plan size
- 8,566
- Participants Very large workforce
- 99th
- Percentile by assets National rank
- $112,837
- Avg per participant Below avg balance/head
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.
- #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.
- #19,877
- in Healthcare & Social Assistance (20,060 peers)
- -12.8%
- assets change YoY
- 9.7×
- vs typical plan assets (national mean)
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.
Seattle Children's Healthcare System Employees Retirement Plan's outsized position by total assets
Seattle Children's Healthcare System Employees Retirement Plan vs every filed plan by assets
End-of-year total assets · plan year 2022 · DOL Form 5500
$966,559,237 Top 1% higher than 99% of 139,123 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022
Seattle Children's Healthcare System Employees Retirement Plan's large-plan peer group by participant headcount
Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Seattle Children's Healthcare System Employees Retirement Plan lands in the large band (8,566 participants).
Plan-year Form 5500 strip
Filing strip 911250116 · Seattle Childrens Healthcare System PY 2022 · 401(k)
Seattle Children's Healthcare System Employees Retirement Plan · $967M · 8,566 · 99th
- BOY $967M
- SCH 8,566
- EBSA 99th
- PART 401(k)
- TYPE near Marsh & Mclennan Agency 401(k) Savings & Investment Plan
- NET ind #19877
Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Healthcare & Social Assistance retirement plans → · Plans in Washington →
Seattle Children's Healthcare System Employees Retirement Plan in the asset neighbourhood
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)
Sponsor-wide plan assets over time
All Seattle Childrens Healthcare System plans reported in each filing year
- Latest sponsor-wide plan assets
- $1.7B 47.82507719179726% vs 2022
- 2024 filing year
| 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.
- 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)
Seattle Children's Healthcare System Employees Retirement Plan's out-of-state 401(k) peers by assets and headcount
Outside Washington, the nearest 401(k) by assets is Marsh & Mclennan Agency 401(k) Savings & Investment Plan in NY ($967M); by covered participants it is Savings Plus Plan, Lam Research 401(k) in CA (8,565 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($967M here).
- 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
Similar participant headcount
Nearest other-state filings by covered participants (8,566 participants); asset peers above are excluded.
- Savings Plus Plan, Lam Research 401(k) (CA) 8,565 · 1 off
- Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan (NY) 8,564 · 2 off
- Southern California Gas Company Retirement Savings Plan (CA) 8,583 · 17 off
- Sinclair Broadcast Group, Inc. 401(k) Retirement Savings Plan (MD) 8,536 · 30 off
DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.