401(k) · DOL Form 5500 · 2023

Illumina, Inc. 401(k) Plan

Data updated 2026-08-25

$925M
Total assets Above avg plan size
6,202
Participants Above avg headcount
98th
Percentile by assets National rank
$149,074
Avg per participant Above avg balance/head
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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.

  • #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.

#20,119
in Professional & Technical Services (20,321 peers)
+27.1%
assets growth YoY
9.3×
vs typical plan assets (national mean)

Illumina, Inc. 401(k) Plan's outsized position by total assets

Illumina, Inc. 401(k) Plan vs every filed plan by assets

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

$924,556,515 Top 2% higher than 98% 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

Illumina, Inc. 401(k) 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. Illumina, Inc. 401(k) Plan lands in the large band (6,202 participants).

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 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 330804655 · Illumina, Inc. PY 2023 · 401(k)

Illumina, Inc. 401(k) Plan · $925M · 6,202 · 98th

  • IND $925M
  • EOY 6,202
  • 5500 98th
  • ASSETS 401(k)
  • PCT near Citgo Petroleum Corporation Employees' Retirement and Savings Plan
  • EIN ind #20119

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 Professional & Technical Services retirement plans → · Plans in California →

Illumina, Inc. 401(k) Plan in the asset neighbourhood

United Launch Alliance 401(k) Savings and Retirement PlanUnited Launch Alliance 401(k…$925MGuidehouse Inc. Retirement PlanGuidehouse Inc. Retirement P…$925MCitgo Petroleum Corporation Employees' Retirement and Savings PlanCitgo Petroleum Corporation …$925MIllumina, Inc. 401(k) Plan$925MSmiths Group Incentive Savings PlanSmiths Group Incentive Savin…$923M
End-of-year total assets ($M) among Illumina, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

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.)

Sponsor-wide plan assets over time

All Illumina, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$1.1B 51.65864476062032% vs 2022
2024 filing year
$0.6B$0.8B$1B$1.2B 202220232024 $0.73B $1.1B ▲ +50.7%
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 Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Illumina, Inc. 401(k) Plan, Total assets ($B): 0.924556515 · Participants: 6202Illumina, Inc. 401(k) PlanWells Fargo & Company 401(k) Plan, Total assets ($B): 51.831350351 · Participants: 193919Wells Fargo & Company 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 39.047152408 · Participants: 122867Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 26.320437734 · Participants: 63105Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 22.17918189 · Participants: 59863Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 19.779511539 · Participants: 106111Apple 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:

Illumina, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Citgo Petroleum Corporation Employees' Retirement and Savings Plan in TX ($925M); by covered participants it is Primeflight Aviation Services, Inc 401(k) Retirement Plan in TX (6,208 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (6,202 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 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).
Which 401(k) plans cover a similar participant headcount to Illumina, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Primeflight Aviation Services, Inc 401(k) Retirement Plan in TX (6,208 participants, $16M in assets).

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.