401(k) · DOL Form 5500 · 2024

Northwestern Mutual Life Ins. Co. 401(k) Plan

Data updated 2026-07-24

$2.9B
Total assets
8,232
Participants
99th
Percentile by assets
$351,342
Avg per participant
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Official DOL plan name: The Northwestern Mutual Employee Savings Plan · Sponsored by Northwestern Mutual Life Ins. Co. · Wisconsin · Finance & Insurance

$2.9B in assets, 8,232 participants

Northwestern Mutual Life Ins. Co.'s The Northwestern Mutual Employee Savings Plan reported $2.9B in total assets and 8,232 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 116,472 plans)

Coverage in Wisconsin

The Northwestern Mutual Employee Savings Plan covers 8,232 participants in Wisconsin, 15x the typical Wisconsin plan (state average ~565 per filing). Assets: $2.9B.

$2.9B
total plan assets (2024 EOY)
8,232
covered participants
99th
percentile by assets (of 116,472 plans)
$351,342
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • The Northwestern Mutual Employee Savings Plan end-of-year assets rose from $2.7B in the plan year 2023 filing to $2.9B in the plan year 2024 filing.
  • The Northwestern Mutual Employee Savings Plan reported net income fell from $265M in the plan year 2023 filing to $241M in the plan year 2024 filing.
  • The Northwestern Mutual Employee Savings Plan reported participants fell from 8,299 in the plan year 2023 filing to 8,232 in the plan year 2024 filing.

See the national 2023→2024 release diff →

State
Wisconsin
Industry
Finance & Insurance

Participants vs Wisconsin filers

In Wisconsin, the average filing covers about 565 participants across 2,767 plans. The Northwestern Mutual Employee Savings Plan reports 8,232 participants - 15x that state average ($2.9B EOY assets).

Wisconsin filing particulars

Total Assets (Beginning of Year)$2.7B
Net Assets (End of Year)$2.9B
Net Income$241M
Employer EIN390509570
Plan Effective Date1985-01-01
Filing StatusFILING RECEIVED

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

$8B$8.5B$9B$9.5B$10B 202220232024 $8.56B $9.65B ▲ +12.7%
Total plan assets by year, all Northwestern Mutual Life Ins. Co. plans on file
Year Plans Participants Total Assets
2022 4 27,987 $8.6B
2023 4 29,929 $9.3B
2024 4 30,138 $9.6B

Nearby 401(k) Plans in Wisconsin

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

The Northwestern Mutual Employee Savings Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants

The Northwestern Mutual Employee Savings Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. 020000400006000080000100000 24681012 Total assets ($B) Participants The Northwestern Mut…Advocate Aurora Heal…Johnson Controls Ret…Fiserv 401(k) Saving…Kimberly-Clark Corpo…Rockwell Automation …
The Northwestern Mutual Employee Savings Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants
Compare The Northwestern Mutual Employee Savings… side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to The Northwestern Mutual Employee Savings Plan by total assets, not by location.

Frequently Asked Questions

How did The Northwestern Mutual Employee Savings Plan assets move in 2024? ▼
The Northwestern Mutual Employee Savings Plan grew at a solid clip - up 9.1% during 2024, from $2.7B to $2.9B. Reported net income was $241M.
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 Savings Plan rank by assets among Form 5500 filers? ▼
The Northwestern Mutual Employee Savings Plan ranks in the 99th percentile by end-of-year assets among 116,472 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 The Northwestern Mutual Employee Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Paccar Inc Savings Investment Plan in WA ($2.9B, 11,793 participants).

Next read for The Northwestern Mutual Employee Savings…

Filing takeaways

Ways to act on The Northwestern Mutual Employee Savings Plan's numbers.

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 390509570.

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.