401(k) · DOL Form 5500 · 2023

Illumina, Inc. 401(k) Plan

Data updated 2026-08-11

$925M
Total assets
6,202
Participants
98th
Percentile by assets
$149,074
Avg per participant
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Official DOL plan name: Illumina, Inc. 401(k) Plan · Sponsored by Illumina, Inc. · California · Professional & Technical Services

$925M in assets, 6,202 participants

Illumina, Inc.'s Illumina, Inc. 401(k) Plan reported $925M in total assets and 6,202 participants in its 2023 DOL Form 5500 filing, ranking in the 98th 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.

  • 98th percentile by assets (of 127,072 plans)
  • #20,119 in Professional & Technical Services (20,321 peers)

Coverage in California

Illumina, Inc. 401(k) Plan covers 6,202 participants in California, 9.8x the typical California plan (state average ~630 per filing). Assets: $925M.

$925M
total plan assets (2023 EOY)
6,202
covered participants
98th
percentile by assets (of 127,072 plans)
$149,074
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Illumina, Inc. 401(k) Plan reported net income rose from -$90M in the plan year 2022 filing to $197M in the plan year 2023 filing.
  • Illumina, Inc. 401(k) Plan end-of-year assets rose from $727M in the plan year 2022 filing to $925M in the plan year 2023 filing.
  • Illumina, Inc. 401(k) Plan reported participants rose from 5,548 in the plan year 2022 filing to 6,202 in the plan year 2023 filing.

See the national 2023→2024 release diff →

State
California
Industry
Professional & Technical Services

Participants vs California filers

In California, the average filing covers about 630 participants across 15,291 plans. Illumina, Inc. 401(k) Plan reports 6,202 participants - 9.8x that state average ($925M EOY assets).

California filing particulars

Total Assets (Beginning of Year)$727M
Net Assets (End of Year)$925M
Net Income$197M
Employer EIN330804655
Plan Effective Date1998-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Illumina, Inc.)

$0.6B$0.8B$1B$1.2B 202220232024 $0.73B $1.1B ▲ +50.7%
Total plan assets by year, all Illumina, Inc. plans on file
Year Plans Participants Total Assets
2022 1 5,548 $727M
2023 1 6,202 $925M
2024 1 5,389 $1.1B

Nearby 401(k) Plans in California

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

Illumina, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants

Illumina, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Illumina, Inc. 401(k…Wells Fargo & Compan…Google LLC 401(k) Sa…Oracle Corporation 4…Intel 401(k) Savings…Apple 401(k) Plan
Illumina, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Illumina, Inc. 401(k) Plan side-by-side with 3 peers →

Scale composition for Illumina, Inc. 401(k) Plan

Illumina, Inc. 401(k) Plan reports $925M in end-of-year assets across 6,202 participants (0.008% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.007% of 93,925,755 covered participants) - about $149,074 per participant (1.1x the national average assets-per-participant) . Net income for plan year 2023 was $197M.

This plan identity (EIN 330804655, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $727M to $1.1B (+51.7%) while covered participants moved from 5,548 to 5,389 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 5,548 $727M Open filing
2023 6,202 $925M This page
2024 · index core 5,389 $1.1B Open filing

The same sponsor also keeps 1 other index-core plan on PlainRetire:

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Illumina, Inc. 401(k) Plan by total assets, not by location.

Frequently Asked Questions

How did Illumina, Inc. 401(k) Plan assets move in 2023? ▼
Illumina, Inc. 401(k) Plan grew sharply - up 27.1% during 2023, from $727M to $925M. Reported net income was $197M.
How have Illumina, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Illumina, Inc.'s sponsor-wide assets grew 51.7%, from $727M to $1.1B.
Where does Illumina, Inc. 401(k) Plan rank by assets among Form 5500 filers? ▼
Illumina, Inc. 401(k) Plan ranks in the 98th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Illumina, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Citgo Petroleum Corporation Employees' Retirement and Savings Plan in TX ($925M, 2,221 participants).

Next read for Illumina, Inc. 401(k) Plan

Filing takeaways

Ways to act on Illumina, Inc. 401(k) Plan's numbers.

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 330804655.

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.