Northwestern Mutual Life Ins. Co. 401(k) Plan: Login, Facts & Contact Information

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

Plan name
THE NORTHWESTERN MUTUAL EMPLOYEE SAVINGS PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
NORTHWESTERN MUTUAL LIFE INS. CO.
Participants
12,786 (8,160 active employees)
Former employees with a balance
3,633
Plan assets
$2,892,246,472 at Dec 31, 2024
Average account balance
$229,671 across 12,593 accounts
Recordkeeper
The Vanguard Group, Inc.
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 1985
✓ Employer contributions✓ Automatic enrollment✓ Default investment for undecided participants✓ Participants choose their own investments— Self-directed brokerage window✓ Profit sharing— Company stock (ESOP)

Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Oct 9, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $106.6 million went into the plan in contributions.
  • $120.5 million was paid out to participants.
  • Investment and other income added $255.8 million.
  • Administrative expenses were $604,777, about $48 per account.

How the Northwestern Mutual Life Ins. Co. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20199,111$2.01 billion$24.4 million$63.6 million
20209,524$2.27 billion$27.7 million$51.1 million
202110,280$2.51 billion—$82.2 million
202211,269$2.39 billion—$79.2 million
202312,633$2.65 billion—$90.5 million
202412,786$2.89 billion—$120.5 million

Northwestern Mutual Life Ins. Co. 401(k) Contact Information

Phone
414-271-1444
Mailing address
720 E WISCONSIN AVE, MILWAUKEE WI 53202
Plan sponsor
NORTHWESTERN MUTUAL LIFE INS. CO.
Plan administrator
TODD SMASAL VP - TTL RWDS & TALENT
Employer identification number (EIN)
39-0509570
Plan number
005

Questions about the Northwestern Mutual Life Ins. Co. 401(k)

Does Northwestern Mutual Life Ins. Co contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement.

Does the Northwestern Mutual Life Ins. Co 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Northwestern Mutual Life Ins. Co 401(k) plan?

12,786 participants at the start of plan year 2024, 8,160 of them active employees, and 3,633 former employees who still had money in the plan.

What is the average 401(k) balance at Northwestern Mutual Life Ins. Co?

About $229,671 per account: $2.89 billion in plan assets across 12,593 accounts with a balance at the end of plan year 2024.

Who manages the Northwestern Mutual Life Ins. Co 401(k) accounts?

Vanguard (listed on the filing as THE VANGUARD GROUP, INC.) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Northwestern Mutual Life Ins. Co. How do I access my 401(k)?

Your account stays with Vanguard after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.

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