401(k) · DOL Form 5500 · 2024

Northwestern Memorial Healthcare 401(k) Plan

Data updated 2026-08-25

$5.4B
Total assets Very large vs avg
35,963
Participants Very large workforce
100th
Percentile by assets National rank
$151,117
Avg per participant Above avg balance/head
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Official DOL plan name: Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan · Sponsored by Northwestern Memorial Healthcare · Illinois · Healthcare & Social Assistance

$5.4B in assets, 35,963 participants

Northwestern Memorial Healthcare's Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan reported $5.4B in total assets and 35,963 participants in its 2024 DOL Form 5500 filing, ranking in the 100th 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.

  • #16,885 in Healthcare & Social Assistance (16,916 peers)

Coverage in Illinois

Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan covers 35,963 participants in Illinois, 46x the typical Illinois plan (state average ~779 per filing). Assets: $5.4B.

#16,885
in Healthcare & Social Assistance (16,916 peers)
+19.8%
assets growth YoY
55×
vs typical plan assets (national mean)

Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan's outsized position by total assets

Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$5,434,622,423 Highest reported value at or above every one of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan's mega-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan is a mega filing (35,963 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan end-of-year assets rose from $4.5B in the plan year 2023 filing to $5.4B in the plan year 2024 filing.
  • Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan reported participants rose from 33,082 in the plan year 2023 filing to 35,963 in the plan year 2024 filing.
  • Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan reported net income fell from $928M in the plan year 2023 filing to $899M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 363152959 · Northwestern Memorial Healthcare PY 2024 · 401(k)

Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan · $5.4B · 35,963 · 100th

  • SCH $5.4B
  • EBSA 35,963
  • PART 100th
  • TYPE 401(k)
  • NET near Employees Savings and Retirement Plan of Credit Suisse
  • BOOK ind #16885

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 Illinois →

Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan in the asset neighbourhood

Nextera Energy, Inc. Employee Retirement Savings PlanNextera Energy, Inc. Employe…$5.5BJetblue Airways Retirement PlanJetblue Airways Retirement P…$5.4BNorthwestern Memorial Employee 401(k) Pre-Tax Savings PlanNorthwestern Memorial Employ…$5.4BEmployees Savings and Retirement Plan of Credit SuisseEmployees Savings and Retire…$5.4BScience Applications International Corporation Retirement PlanScience Applications Interna…$5.4B
End-of-year total assets ($B) among Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Illinois filing particulars

Total Assets (Beginning of Year)$4.5B
Net Assets (End of Year)$5.4B
Net Income$899M
Employer EIN363152959
Plan Effective Date2000-09-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Northwestern Memorial Healthcare)

Sponsor-wide plan assets over time

All Northwestern Memorial Healthcare plans reported in each filing year

Latest sponsor-wide plan assets
$5.4B 50.65046383380511% vs 2022
2024 filing year
$3B$4B$5B$6B 202220232024 $3.61B $5.43B ▲ +50.4%
Year Plans Participants Total Assets
2022 1 31,855 $3.6B
2023 1 33,082 $4.5B
2024 1 35,963 $5.4B

Nearby 401(k) Plans in Illinois

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

Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. 050000100000150000200000250000 0510152025 Total assets ($B) Participants Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan, Total assets ($B): 5.434622423 · Participants: 35963Northwestern Memorial Employee 401(k) Pre-Tax Savings PlanAccenture United States 401(k) Match and Savings Plan, Total assets ($B): 21.302643276 · Participants: 66965Accenture United States 401(k) Match and Savings PlanState Farm 401(k) Savings Plan, Total assets ($B): 19.010099056 · Participants: 63297State Farm 401(k) Savings PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 16.835964452 · Participants: 16659United Airlines Pilot Retirement Account PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 15.755668 · Participants: 38229Abbott Laboratories Stock Retirement PlanWalgreens Retirement Savings Plan, Total assets ($B): 14.535873337 · Participants: 233635Walgreens Retirement Savings Plan
Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan vs. nearby 401(k) plans in Illinois, assets vs. participants
Compare Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan side-by-side with 3 peers →

Scale composition for Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan

Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan reports $5.4B in end-of-year assets across 35,963 participants (0.044% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.038% of 93,925,755 covered participants) - about $151,117 per participant (1.1x the national average assets-per-participant) . Net income for plan year 2024 was $899M.

This plan identity (EIN 363152959, plan #003) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $3.6B to $5.4B (+50.7%) while covered participants moved from 31,855 to 35,963 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 31,855 $3.6B Open filing
2023 33,082 $4.5B Open filing
2024 · index core 35,963 $5.4B This page

Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Illinois, the nearest 401(k) by assets is Employees Savings and Retirement Plan of Credit Suisse in NY ($5.4B); by covered participants it is Cognizant Technology Solutions 401(k) Savings Plan in NJ (35,909 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (35,963 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan assets move in 2024? ▼
Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan grew sharply - up 19.8% during 2024, from $4.5B to $5.4B. Reported net income was $899M.
How have Northwestern Memorial Healthcare plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Northwestern Memorial Healthcare's sponsor-wide assets grew 50.7%, from $3.6B to $5.4B.
Where does Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan rank by assets among Form 5500 filers? ▼
Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan ranks in the 100th 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 Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Employees Savings and Retirement Plan of Credit Suisse in NY ($5.4B, 4,237 participants).
Which 401(k) plans cover a similar participant headcount to Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Cognizant Technology Solutions 401(k) Savings Plan in NJ (35,909 participants, $3.0B in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 363152959.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.