401(k) · DOL Form 5500 · 2023

Prometheus Laboratories Inc. 401(k) Plan

Data updated 2026-08-25

$11M
Total assets Small plan by assets
121
Participants Small participant base
61st
Percentile by assets National rank
$93,359
Avg per participant Below avg balance/head
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Official DOL plan name: Prometheus Laboratories Inc. 401(k) Plan · Sponsored by Prometheus Laboratories Inc. · California · Healthcare & Social Assistance

$11M in assets, 121 participants

Prometheus Laboratories Inc.'s Prometheus Laboratories Inc. 401(k) Plan reported $11M in total assets and 121 participants in its 2023 DOL Form 5500 filing, ranking in the 61st 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.

  • #11,795 in Healthcare & Social Assistance (17,684 peers)

Coverage in California

Prometheus Laboratories Inc. 401(k) Plan covers 121 participants in California, about 19% of the average California filer (state average ~630 per filing). Assets: $11M.

#11,795
in Healthcare & Social Assistance (17,684 peers)
+50.0%
assets growth YoY

Prometheus Laboratories Inc. 401(k) Plan's mid-pack asset rank among Healthcare & Social Assistance and all filers

Prometheus Laboratories Inc. 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$11,296,465 Top 39% higher than 61% 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

Prometheus Laboratories 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. Prometheus Laboratories Inc. 401(k) Plan sits mid-pack in the medium band (121 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Prometheus Laboratories Inc. 401(k) Plan reported net income rose from $638K in the plan year 2022 filing to $4M in the plan year 2023 filing.
  • Prometheus Laboratories Inc. 401(k) Plan end-of-year assets rose from $8M in the plan year 2022 filing to $11M in the plan year 2023 filing.
  • Prometheus Laboratories Inc. 401(k) Plan reported participants rose from 113 in the plan year 2022 filing to 121 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 330685754 · Prometheus Laboratories Inc. PY 2023 · 401(k)

Prometheus Laboratories Inc. 401(k) Plan · $11M · 121 · 61st

  • PART $11M
  • TYPE 121
  • NET 61st
  • BOOK 401(k)
  • VS-ST near Mitchell Lewis & Staver Co. 401(k) Profit Sharing Plan
  • BOY ind #11795

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 Healthcare & Social Assistance retirement plans → · Plans in California →

Prometheus Laboratories Inc. 401(k) Plan in the asset neighbourhood

Prometheus Laboratories Inc. 401(k) PlanPrometheus Laboratories Inc.…$11MMitchell Lewis & Staver Co. 401(k) Profit Sharing PlanMitchell Lewis & Staver Co. …$11MConsulting Services Group, LLC 401(k) PlanConsulting Services Group, L…$11MSuntrup 401(k) Plan$11MAxxess Consult, Inc. 401(k) Profit Sharing Plan and TrustAxxess Consult, Inc. 401(k) …$11M
End-of-year total assets ($M) among Prometheus Laboratories 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)$8M
Net Assets (End of Year)$11M
Net Income$4M
Employer EIN330685754
Plan Effective Date2021-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Prometheus Laboratories Inc.)

Sponsor-wide plan assets over time

All Prometheus Laboratories Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$14M 87.49163534192651% vs 2022
2024 filing year
$6M$8M$10M$12M$14M$16M 202220232024 $7.53M $14.1M ▲ +87.5%
Year Plans Participants Total Assets
2022 1 113 $8M
2023 1 121 $11M
2024 1 122 $14M

Nearby 401(k) Plans in California

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

Prometheus Laboratories Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Prometheus Laboratories Inc. 401(k) Plan, Total assets ($B): 0.011296465 · Participants: 121Prometheus Laboratories 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
Prometheus Laboratories Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Prometheus Laboratories Inc. 401(k) Plan side-by-side with 3 peers →

Prometheus Laboratories Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Mitchell Lewis & Staver Co. 401(k) Profit Sharing Plan in OR ($11M); by covered participants it is Redwood School & Rehabilitation Center, Inc. 401(k) Plan in OH (121 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (121 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 Prometheus Laboratories Inc. 401(k) Plan assets move in 2023? ▼
Prometheus Laboratories Inc. 401(k) Plan surged - up 50.0% during 2023, from $8M to $11M. Reported net income was $4M.
How have Prometheus Laboratories Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Prometheus Laboratories Inc.'s sponsor-wide assets grew 87.5%, from $8M to $14M.
Which 401(k) plans are similar in size to Prometheus Laboratories Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Mitchell Lewis & Staver Co. 401(k) Profit Sharing Plan in OR ($11M, 221 participants).
Which 401(k) plans cover a similar participant headcount to Prometheus Laboratories Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Redwood School & Rehabilitation Center, Inc. 401(k) Plan in OH (121 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 330685754.

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.