401(k) · DOL Form 5500 · 2024

Acelyrin, Inc. 401(k) Plan

Data updated 2026-08-25

$10M
Total assets Small plan by assets
127
Participants Small participant base
57th
Percentile by assets National rank
$81,878
Avg per participant Below avg balance/head
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Official DOL plan name: Acelyrin, Inc. 401(k) Profit Sharing Plan · Sponsored by Acelyrin, Inc. · California · Professional & Technical Services

$10M in assets, 127 participants

Acelyrin, Inc.'s Acelyrin, Inc. 401(k) Profit Sharing Plan reported $10M in total assets and 127 participants in its 2024 DOL Form 5500 filing, ranking in the 57th 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.

  • #11,063 in Professional & Technical Services (20,173 peers)

Coverage in California

Acelyrin, Inc. 401(k) Profit Sharing Plan covers 127 participants in California, about 20% of the average California filer (state average ~630 per filing). Assets: $10M.

#11,063
in Professional & Technical Services (20,173 peers)
$6M
reported net income

Acelyrin, Inc. 401(k) Profit Sharing Plan's mid-pack asset rank among Professional & Technical Services and all filers

Acelyrin, Inc. 401(k) Profit Sharing Plan vs every filed plan by assets

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

$10,398,507 Top 43% higher than 57% 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

Acelyrin, Inc. 401(k) Profit Sharing 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. Acelyrin, Inc. 401(k) Profit Sharing Plan sits mid-pack in the medium band (127 participants).

Plan-year Form 5500 strip

Filing strip 852406735 · Acelyrin, Inc. PY 2024 · 401(k)

Acelyrin, Inc. 401(k) Profit Sharing Plan · $10M · 127 · 57th

  • IND $10M
  • IND 127
  • IND 57th
  • IND 401(k)
  • IND near Fm Sylvan, Inc. 401(k) Savings Plan
  • IND ind #11063

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 →

Acelyrin, Inc. 401(k) Profit Sharing Plan in the asset neighbourhood

Acelyrin, Inc. 401(k) Profit Sharing PlanAcelyrin, Inc. 401(k) Profit…$10MFm Sylvan, Inc. 401(k) Savings PlanFm Sylvan, Inc. 401(k) Savin…$10MCabin Creek Health Systems, Inc. 401(k)Profit Sharing PlanCabin Creek Health Systems, …$10MBaker Distributing Corporation 401(k) Profit Sharing PlanBaker Distributing Corporati…$10MRiviera Country Club 401(k) Retirement PlanRiviera Country Club 401(k) …$10M
End-of-year total assets ($M) among Acelyrin, Inc. 401(k) Profit Sharing Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

California filing particulars

Total Assets (Beginning of Year)N/A
Net Assets (End of Year)$10M
Net Income$6M
Employer EIN852406735
Plan Effective Date2024-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in California

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

Acelyrin, Inc. 401(k) Profit Sharing Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Acelyrin, Inc. 401(k) Profit Sharing Plan, Total assets ($B): 0.010398507 · Participants: 127Acelyrin, Inc. 401(k) Profit Sharing 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
Acelyrin, Inc. 401(k) Profit Sharing Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Acelyrin, Inc. 401(k) Profit Sharing Plan side-by-side with 3 peers →

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

Outside California, the nearest 401(k) by assets is Fm Sylvan, Inc. 401(k) Savings Plan in MI ($10M); by covered participants it is Wat Opco LLC (Dba Woodlake at Tolland) 401(k) Plan in CT (127 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (127 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

Which 401(k) plans are similar in size to Acelyrin, Inc. 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by assets is Fm Sylvan, Inc. 401(k) Savings Plan in MI ($10M, 148 participants).
Which 401(k) plans cover a similar participant headcount to Acelyrin, Inc. 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Wat Opco LLC (Dba Woodlake at Tolland) 401(k) Plan in CT (127 participants, $829K 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 852406735.

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.