Illumio, Inc. 401(k) Plan: Login, Facts & Contact Information

Illumio, Inc. 401(k) Plan Facts

Plan name
ILLUMIO 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
ILLUMIO, INC.
Participants
600 (536 active employees)
Former employees with a balance
169
Plan assets
$55,440,960 at Dec 31, 2024
Average account balance
$87,171 across 636 accounts
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 2013
✓ 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 Sep 29, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $11.4 million went into the plan in contributions.
  • $5.44 million was paid out to participants.
  • Investment and other income added $7.21 million.
  • Administrative expenses were $20,656, about $32 per account.

How the Illumio, Inc. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019305$15.7 million$0$1.77 million
2020359$23.6 million$0$1.63 million
2021379$31.5 million$0$3.15 million
2022477$31.5 million$1,547$2.98 million
2023580$42.3 million$0$4.06 million
2024600$55.4 million$0$5.44 million

Illumio, Inc. 401(k) Contact Information

Phone
669-800-5000
Mailing address
920 DE GUIGNE DR, SUNNYVALE CA 94085
Plan sponsor
ILLUMIO, INC.
Employer identification number (EIN)
46-1675620
Plan number
001

Questions about the Illumio, Inc. 401(k)

Does Illumio, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement.

Does the Illumio, Inc 401(k) have automatic enrollment?

No. The plan does not report automatic enrollment; employees enroll themselves.

How many people are in the Illumio, Inc 401(k) plan?

600 participants at the start of plan year 2024, 536 of them active employees, and 169 former employees who still had money in the plan.

What is the average 401(k) balance at Illumio, Inc?

About $87,171 per account: $55.4 million in plan assets across 636 accounts with a balance at the end of plan year 2024.

Who manages the Illumio, Inc 401(k) accounts?

Fidelity NetBenefits (listed on the filing as FIDELITY INVESTMENTS INSTITUTIONAL) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Illumio, Inc. How do I access my 401(k)?

Your account stays with Fidelity NetBenefits 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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