401(k) · DOL Form 5500 · 2023

Lyell Immunopharma, Inc. 401(k) Plan

Data updated 2026-08-25

$24M
Total assets Small plan by assets
265
Participants Below avg headcount
76th
Percentile by assets National rank
$89,700
Avg per participant Below avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Lyell Immunopharma, Inc. 401(k) Plan · Sponsored by Lyell Immunopharma, Inc. · California · Professional & Technical Services

$24M in assets, 265 participants

Lyell Immunopharma, Inc.'s Lyell Immunopharma, Inc. 401(k) Plan reported $24M in total assets and 265 participants in its 2023 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.

  • #15,427 in Professional & Technical Services (20,321 peers)

Coverage in California

Lyell Immunopharma, Inc. 401(k) Plan covers 265 participants in California, about 42% of the average California filer (state average ~630 per filing). Assets: $24M.

#15,427
in Professional & Technical Services (20,321 peers)
+58.0%
assets growth YoY
0.2×
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 2023 · DOL Form 5500

$23,770,399 Top 24% higher than 76% 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

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

Plan-year 2023 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 (265 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Lyell Immunopharma, Inc. 401(k) Plan reported net income rose from $5M in the plan year 2022 filing to $9M in the plan year 2023 filing.
  • Lyell Immunopharma, Inc. 401(k) Plan end-of-year assets rose from $15M in the plan year 2022 filing to $24M in the plan year 2023 filing.
  • Lyell Immunopharma, Inc. 401(k) Plan reported participants rose from 207 in the plan year 2022 filing to 265 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 831300510 · Lyell Immunopharma, Inc. PY 2023 · 401(k)

Lyell Immunopharma, Inc. 401(k) Plan · $24M · 265 · 76th

  • EBSA $24M
  • EBSA 265
  • EBSA 76th
  • EBSA 401(k)
  • EBSA near Endava Inc. 401(k) Profit Sharing Plan and Trust
  • EBSA ind #15427

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

Lyell Immunopharma, Inc. 401(k) PlanLyell Immunopharma, Inc. 401…$24MEndava Inc. 401(k) Profit Sharing Plan and TrustEndava Inc. 401(k) Profit Sh…$24MEvans Network Services, Inc. 401(k) PlanEvans Network Services, Inc.…$24MThe Pruet Companies Salaried Reduction Plan & TrustThe Pruet Companies Salaried…$24MBasell Retirement Savings PlanBasell Retirement Savings Pl…$24M
End-of-year total assets ($M) among Lyell Immunopharma, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

California filing particulars

Total Assets (Beginning of Year)$15M
Net Assets (End of Year)$24M
Net Income$9M
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. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Lyell Immunopharma, Inc. 401(k) Plan, Total assets ($B): 0.023770399 · Participants: 265Lyell Immunopharma, 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
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 Endava Inc. 401(k) Profit Sharing Plan and Trust in NJ ($24M); by covered participants it is Ktm Industries Inc 401(k) Profit Sharing Plan & Trust in MI (265 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (265 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 Lyell Immunopharma, Inc. 401(k) Plan assets move in 2023? ▼
Lyell Immunopharma, Inc. 401(k) Plan surged - up 58.0% during 2023, from $15M to $24M. Reported net income was $9M.
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 127,072 plans that reported assets for plan year 2023 (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 Endava Inc. 401(k) Profit Sharing Plan and Trust in NJ ($24M, 366 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 Ktm Industries Inc 401(k) Profit Sharing Plan & Trust in MI (265 participants, N/A 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 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.