401(k) · DOL Form 5500 · 2024

Lyell Immunopharma, Inc. 401(k) Plan

Data updated 2026-08-25

$28M
Total assets Below avg plan size
231
Participants Below avg headcount
76th
Percentile by assets National rank
$122,306
Avg per participant Near avg balance/head
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Official DOL plan name: Lyell Immunopharma, Inc. 401(k) Plan · Sponsored by Lyell Immunopharma, Inc. · California · Professional & Technical Services

$28M in assets, 231 participants

Lyell Immunopharma, Inc.'s Lyell Immunopharma, Inc. 401(k) Plan reported $28M in total assets and 231 participants in its 2024 DOL Form 5500 filing, ranking in the 76th 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.

  • #15,401 in Professional & Technical Services (20,173 peers)

Coverage in California

Lyell Immunopharma, Inc. 401(k) Plan covers 231 participants in California, about 37% of the average California filer (state average ~630 per filing). Assets: $28M.

#15,401
in Professional & Technical Services (20,173 peers)
+18.9%
assets growth YoY
0.3×
vs typical plan assets (national mean)

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

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

End-of-year total assets · plan year 2024 · DOL Form 5500

$28,252,702 Top 24% higher than 76% of 123,620 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 2024

Lyell Immunopharma, Inc. 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Lyell Immunopharma, Inc. 401(k) Plan sits mid-pack in the medium band (231 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Lyell Immunopharma, Inc. 401(k) Plan reported net income fell from $9M in the plan year 2023 filing to $4M in the plan year 2024 filing.
  • Lyell Immunopharma, Inc. 401(k) Plan end-of-year assets rose from $24M in the plan year 2023 filing to $28M in the plan year 2024 filing.
  • Lyell Immunopharma, Inc. 401(k) Plan reported participants fell from 265 in the plan year 2023 filing to 231 in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 831300510 · Lyell Immunopharma, Inc. PY 2024 · 401(k)

Lyell Immunopharma, Inc. 401(k) Plan · $28M · 231 · 76th

  • PHOTO $28M
  • PHOTO 231
  • PHOTO 76th
  • PHOTO 401(k)
  • PHOTO near Valence Surface Technologies 401(k) Plan
  • PHOTO ind #15401

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 →

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

Federation of State Boards of Physical Therapy 401(k) PlanFederation of State Boards o…$28MLyell Immunopharma, Inc. 401(k) PlanLyell Immunopharma, Inc. 401…$28MValence Surface Technologies 401(k) PlanValence Surface Technologies…$28MApplied Analytical Solutions, Inc. 401(k) PlanApplied Analytical Solutions…$28MFirstkey Homes 401(k) Plan$28M
End-of-year total assets ($M) among Lyell Immunopharma, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

California filing particulars

Total Assets (Beginning of Year)$24M
Net Assets (End of Year)$28M
Net Income$4M
Employer EIN831300510
Plan Effective Date2019-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Lyell Immunopharma, Inc.)

Sponsor-wide plan assets over time

All Lyell Immunopharma, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$28M 87.7882822810751% vs 2022
2024 filing year
$10M$15M$20M$25M$30M 202220232024 $15M $28.3M ▲ +87.8%
Year Plans Participants Total Assets
2022 1 207 $15M
2023 1 265 $24M
2024 1 231 $28M

Nearby 401(k) Plans in California

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

Lyell Immunopharma, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Lyell Immunopharma, Inc. 401(k) Plan, Total assets ($B): 0.028252702 · Participants: 231Lyell Immunopharma, Inc. 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 48.738057415 · Participants: 116712Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 31.02646504 · Participants: 58962Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 24.850880304 · Participants: 55298Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 24.714519387 · Participants: 101450Apple 401(k) PlanCisco Systems,Inc. 401(k) Plan, Total assets ($B): 22.728425546 · Participants: 40452Cisco Systems,Inc. 401(k) Plan
Lyell Immunopharma, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Lyell Immunopharma, Inc. 401(k) Plan side-by-side with 3 peers →

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

Outside California, the nearest 401(k) by assets is Valence Surface Technologies 401(k) Plan in TX ($28M); by covered participants it is Bob Barker Company, Inc. 401(k) Plan in NC (231 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (231 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Lyell Immunopharma, Inc. 401(k) Plan assets move in 2024? ▼
Lyell Immunopharma, Inc. 401(k) Plan grew sharply - up 18.9% during 2024, from $24M to $28M. Reported net income was $4M.
How have Lyell Immunopharma, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Lyell Immunopharma, Inc.'s sponsor-wide assets grew 87.8%, from $15M to $28M.
Where does Lyell Immunopharma, Inc. 401(k) Plan rank by assets among Form 5500 filers? ▼
Lyell Immunopharma, Inc. 401(k) Plan ranks in the 76th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Lyell Immunopharma, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Valence Surface Technologies 401(k) Plan in TX ($28M, 1,098 participants).
Which 401(k) plans cover a similar participant headcount to Lyell Immunopharma, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Bob Barker Company, Inc. 401(k) Plan in NC (231 participants, $26M in assets).

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 831300510.

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.