401(k) · DOL Form 5500 · 2024

Altos Labs, Inc. 401(k) Plan

Data updated 2026-08-25

$35M
Total assets Below avg plan size
384
Participants Below avg headcount
79th
Percentile by assets National rank
$90,005
Avg per participant Below avg balance/head
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Official DOL plan name: Altos Labs, Inc. 401(k) Plan · Sponsored by Altos Labs, Inc. · California · Professional & Technical Services

$35M in assets, 384 participants

Altos Labs, Inc.'s Altos Labs, Inc. 401(k) Plan reported $35M in total assets and 384 participants in its 2024 DOL Form 5500 filing, ranking in the 79th 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.

  • #16,080 in Professional & Technical Services (20,173 peers)

Where Altos Labs, Inc. 401(k) Plan sits by assets

Altos Labs, Inc. 401(k) Plan sits in the top quartile of all filed plans by assets, $35M for 384 participants (~$90,005/participant), up 92.2% in 2024.

#16,080
in Professional & Technical Services (20,173 peers)
+92.2%
assets growth YoY
0.3×
vs typical plan assets (national mean)

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

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

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

$34,562,023 Top 21% higher than 79% 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

Altos Labs, 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. Altos Labs, Inc. 401(k) Plan sits mid-pack in the medium band (384 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Altos Labs, Inc. 401(k) Plan end-of-year assets rose from $18M in the plan year 2023 filing to $35M in the plan year 2024 filing.
  • Altos Labs, Inc. 401(k) Plan reported participants rose from 288 in the plan year 2023 filing to 384 in the plan year 2024 filing.
  • Altos Labs, Inc. 401(k) Plan reported net income rose from $13M in the plan year 2023 filing to $17M in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 863736536 · Altos Labs, Inc. PY 2024 · 401(k)

Altos Labs, Inc. 401(k) Plan · $35M · 384 · 79th

  • TYPE $35M
  • TYPE 384
  • TYPE 79th
  • TYPE 401(k)
  • TYPE near Tanadgusix Corporation 401(k) Plan and Trust
  • TYPE ind #16080

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 →

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

Altos Labs, Inc. 401(k) Plan$35MTanadgusix Corporation 401(k) Plan and TrustTanadgusix Corporation 401(k…$35MSummit Packaging Systems 401(k) PlanSummit Packaging Systems 401…$35MBradford White Corporation 401(k) Plan for Union EmployeesBradford White Corporation 4…$35MHillandale Gettysburg LP Employee Savings & Retirement PlanHillandale Gettysburg LP Emp…$35M
End-of-year total assets ($M) among Altos Labs, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$18M
Net Assets (End of Year)$35M
Net Income$17M
Employer EIN863736536
Plan Effective Date2021-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Altos Labs, Inc.)

Sponsor-wide plan assets over time

All Altos Labs, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$35M 92.21084985646483% vs 2023
2024 filing year
$15M$20M$25M$30M$35M$40M 20232024 $18M $34.6M ▲ +92.2%
Year Plans Participants Total Assets
2023 1 288 $18M
2024 1 384 $35M

Nearby 401(k) Plans in California

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

Altos Labs, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Altos Labs, Inc. 401(k) Plan, Total assets ($B): 0.034562023 · Participants: 384Altos Labs, 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
Altos Labs, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Altos Labs, Inc. 401(k) Plan side-by-side with 3 peers →

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

Outside California, the nearest 401(k) by assets is Tanadgusix Corporation 401(k) Plan and Trust in AK ($35M); by covered participants it is Rrr, LLC 401(k) Plan in MD (384 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (384 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 Altos Labs, Inc. 401(k) Plan assets move in 2024? ▼
Altos Labs, Inc. 401(k) Plan surged - up 92.2% during 2024, from $18M to $35M. Reported net income was $17M.
How have Altos Labs, Inc. plan assets changed over time? ▼
Across 2 plan years on file (2023-2024), Altos Labs, Inc.'s sponsor-wide assets grew 92.2%, from $18M to $35M.
Where does Altos Labs, Inc. 401(k) Plan rank by assets among Form 5500 filers? ▼
Altos Labs, Inc. 401(k) Plan ranks in the 79th 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 Altos Labs, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Tanadgusix Corporation 401(k) Plan and Trust in AK ($35M, 546 participants).
Which 401(k) plans cover a similar participant headcount to Altos Labs, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Rrr, LLC 401(k) Plan in MD (384 participants, N/A 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 863736536.

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.