Defined Benefit (Pension) · DOL Form 5500 · 2023

Northwestern Mutual Life Ins.Co. Pension Plan

Data updated 2026-08-25

$3.3B
Total assets Very large vs avg
8,348
Participants Very large workforce
100th
Percentile by assets National rank
$395,083
Avg per participant High balance/head
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Official DOL plan name: The Northwestern Mutual Employee Retirement Plan · Sponsored by Northwestern Mutual Life Ins.Co. · Wisconsin · Finance & Insurance

$3.3B in assets, 8,348 participants

Northwestern Mutual Life Ins.Co.'s The Northwestern Mutual Employee Retirement Plan reported $3.3B in total assets and 8,348 participants in its 2023 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.

  • #8,792 in Finance & Insurance (8,869 peers)

Coverage in Wisconsin

The Northwestern Mutual Employee Retirement Plan covers 8,348 participants in Wisconsin, 15x the typical Wisconsin plan (state average ~563 per filing). Assets: $3.3B.

#8,792
in Finance & Insurance (8,869 peers)
+7.3%
assets growth YoY
33×
vs typical plan assets (national mean)

The Northwestern Mutual Employee Retirement Plan's outsized position by total assets

The Northwestern Mutual Employee Retirement Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$3,298,151,091 Highest reported value at or above every one of 127,068 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 2023

The Northwestern Mutual Employee Retirement Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. The Northwestern Mutual Employee Retirement Plan lands in the large band (8,348 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • The Northwestern Mutual Employee Retirement Plan reported net income rose from -$942M in the plan year 2022 filing to $217M in the plan year 2023 filing.
  • The Northwestern Mutual Employee Retirement Plan reported participants rose from 7,377 in the plan year 2022 filing to 8,348 in the plan year 2023 filing.
  • The Northwestern Mutual Employee Retirement Plan end-of-year assets rose from $3.1B in the plan year 2022 filing to $3.3B in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 390509570 · Northwestern Mutual Life Ins.Co. PY 2023 · Defined Benefit (Pension)

The Northwestern Mutual Employee Retirement Plan · $3.3B · 8,348 · 100th

  • RANK $3.3B
  • PHOTO 8,348
  • IND 100th
  • EOY Defined Benefit (Pension)
  • 5500 near Construction Laborers Pension Trust Fund for Southern California
  • ASSETS ind #8792

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 Finance & Insurance retirement plans → · Plans in Wisconsin →

The Northwestern Mutual Employee Retirement Plan in the asset neighbourhood

Cummins Pension Plan$3.3BCalifornia Ironworkers Field Pension TrustCalifornia Ironworkers Field…$3.3BThe Northwestern Mutual Employee Retirement PlanThe Northwestern Mutual Empl…$3.3BConstruction Laborers Pension Trust Fund for Southern CaliforniaConstruction Laborers Pensio…$3.3BNorthwest Carpenters Retirement PlanNorthwest Carpenters Retirem…$3.3B
End-of-year total assets ($B) among The Northwestern Mutual Employee Retirement Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

Wisconsin filing particulars

Total Assets (Beginning of Year)$3.1B
Net Assets (End of Year)$3.3B
Net Income$217M
Employer EIN390509570
Plan Effective Date1947-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Northwestern Mutual Life Ins.Co.)

Sponsor-wide plan assets over time

All Northwestern Mutual Life Ins.Co. plans reported in each filing year

Latest sponsor-wide plan assets
$9.6B 12.691710490574781% vs 2022
2024 filing year
$8B$8.5B$9B$9.5B$10B 202220232024 $8.56B $9.65B ▲ +12.7%
Year Plans Participants Total Assets
2022 4 27,987 $8.6B
2023 4 29,929 $9.3B
2024 4 30,138 $9.6B

Nearby Defined Benefit (Pension) Plans in Wisconsin

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

The Northwestern Mutual Employee Retirement Plan vs. nearby Defined Benefit (Pension) plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. 020004000600080001000012000 1.522.533.5 Total assets ($B) Participants The Northwestern Mutual Employee Retirement Plan, Total assets ($B): 3.298151091 · Participants: 8348The Northwestern Mutual Employee Retirement PlanBuilding Trades United Pension Trust Fund Milwaukee and Vicinity, Total assets ($B): 3.267131995 · Participants: 9960Building Trades United Pension Trust Fund Milwaukee and VicinityThe Northwestern Mutual Life Insurance Company Agents Retirement Plan, Total assets ($B): 2.08393057 · Participants: 7368The Northwestern Mutual Life Insurance Company Agents Retirement PlanHarley-Davidson Retirement Plan, Total assets ($B): 1.912240682 · Participants: 1560Harley-Davidson Retirement PlanRockwell Automation Pension Plan, Total assets ($B): 1.77661124 · Participants: 2136Rockwell Automation Pension PlanNorth Central States Regional Council of Carpenters Pension Fund, Total assets ($B): 1.696009463 · Participants: 5662North Central States Regional Council of Carpenters Pension Fund
The Northwestern Mutual Employee Retirement Plan vs. nearby Defined Benefit (Pension) plans in Wisconsin, assets vs. participants

Scale composition for The Northwestern Mutual Employee Retirement Plan

The Northwestern Mutual Employee Retirement Plan reports $3.3B in end-of-year assets across 8,348 participants (0.027% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.009% of 93,925,755 covered participants) - about $395,083 per participant (2.9x the national average assets-per-participant) . Net income for plan year 2023 was $217M.

This plan identity (EIN 390509570, plan #003) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $3.1B to $3.3B (+5.9%) while covered participants moved from 7,377 to 8,254 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 7,377 $3.1B Open filing
2023 8,348 $3.3B This page
2024 · index core 8,254 $3.3B Open filing

The same sponsor also keeps 4 other index-core plans on PlainRetire:

The Northwestern Mutual Employee Retirement Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Wisconsin, the nearest Defined Benefit (Pension) by assets is Construction Laborers Pension Trust Fund for Southern California in CA ($3.3B); by covered participants it is Locals 302 & 612 of the Iuoe - Employers Construction Industry Retirement Plan in WA (8,339 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($3.3B here).

Similar participant headcount

Nearest other-state filings by covered participants (8,348 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did The Northwestern Mutual Employee Retirement Plan assets move in 2023?
The Northwestern Mutual Employee Retirement Plan grew at a solid clip - up 7.3% during 2023, from $3.1B to $3.3B. Reported net income was $217M.
How have Northwestern Mutual Life Ins.Co. plan assets changed over time?
Across 3 plan years on file (2022-2024), Northwestern Mutual Life Ins.Co.'s sponsor-wide assets grew 12.7%, from $8.6B to $9.6B.
Where does The Northwestern Mutual Employee Retirement Plan rank by assets among Form 5500 filers?
The Northwestern Mutual Employee Retirement Plan ranks in the 100th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (among the largest 1% of all filed plans).
Which Defined Benefit (Pension) plans are similar in size to The Northwestern Mutual Employee Retirement Plan?
Among Defined Benefit (Pension) plans in other states, the closest by assets is Construction Laborers Pension Trust Fund for Southern California in CA ($3.3B, 23,365 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to The Northwestern Mutual Employee Retirement Plan?
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Locals 302 & 612 of the Iuoe - Employers Construction Industry Retirement Plan in WA (8,339 participants, $3.1B in assets).