401(k) · DOL Form 5500 · 2023

Altos Labs, Inc. 401(k) Plan

Data updated 2026-08-25

$18M
Total assets Small plan by assets
288
Participants Below avg headcount
71st
Percentile by assets National rank
$62,435
Avg per participant Low 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

$18M in assets, 288 participants

Altos Labs, Inc.'s Altos Labs, Inc. 401(k) Plan reported $18M in total assets and 288 participants in its 2023 DOL Form 5500 filing, ranking in the 71st 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.

  • #14,267 in Professional & Technical Services (20,321 peers)

Coverage in California

Altos Labs, Inc. 401(k) Plan covers 288 participants in California, about 46% of the average California filer (state average ~630 per filing). Assets: $18M.

#14,267
in Professional & Technical Services (20,321 peers)
+284.5%
assets growth YoY

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 2023 · DOL Form 5500

$17,981,307 Top 29% higher than 71% 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

Altos Labs, 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. Altos Labs, Inc. 401(k) Plan sits mid-pack in the medium band (288 participants).

Form 5500 schedule snapshot

Filing strip 863736536 · Altos Labs, Inc. PY 2023 · 401(k)

Altos Labs, Inc. 401(k) Plan · $18M · 288 · 71st

  • ASSETS $18M
  • PCT 288
  • EIN 71st
  • RANK 401(k)
  • PHOTO near Global Automotive Systems 401(k) Retirement Plan
  • IND ind #14267

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$18MGlobal Automotive Systems 401(k) Retirement PlanGlobal Automotive Systems 40…$18MThe Baker Company Profit Sharing and Retirement PlanThe Baker Company Profit Sha…$18MThe Will-Burt Company Profit Sharing & 401(k) PlanThe Will-Burt Company Profit…$18ME & T Plastic Manufacturing Co. 401(k) Profit Sharing PlanE & T Plastic Manufacturing …$18M
End-of-year total assets ($M) among Altos Labs, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

California filing particulars

Total Assets (Beginning of Year)$5M
Net Assets (End of Year)$18M
Net Income$13M
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. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Altos Labs, Inc. 401(k) Plan, Total assets ($B): 0.017981307 · Participants: 288Altos Labs, 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
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 Global Automotive Systems 401(k) Retirement Plan in MI ($18M); by covered participants it is Accord Health Service, Inc. 401(k) Plan in PA (288 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (288 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 Altos Labs, Inc. 401(k) Plan assets move in 2023? ▼
Altos Labs, Inc. 401(k) Plan surged - up 284.5% during 2023, from $5M to $18M. Reported net income was $13M.
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.
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 Global Automotive Systems 401(k) Retirement Plan in MI ($18M, 349 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 Accord Health Service, Inc. 401(k) Plan in PA (288 participants, $10M 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 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.