401(k) · DOL Form 5500 · 2024

Prospect Medical Holdings, Inc. 401(k) Plan

Data updated 2026-08-25

$552M
Total assets Above avg plan size
10,488
Participants Very large workforce
97th
Percentile by assets National rank
$52,592
Avg per participant Low balance/head
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Official DOL plan name: Prospect Medical Retirement Savings Plan a · Sponsored by Prospect Medical Holdings, Inc. · California · Healthcare & Social Assistance

$552M in assets, 10,488 participants

Prospect Medical Holdings, Inc.'s Prospect Medical Retirement Savings Plan a reported $552M in total assets and 10,488 participants in its 2024 DOL Form 5500 filing, ranking in the 97th 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.

  • #16,486 in Healthcare & Social Assistance (16,916 peers)

Coverage in California

Prospect Medical Retirement Savings Plan a covers 10,488 participants in California, 17x the typical California plan (state average ~630 per filing). Assets: $552M.

#16,486
in Healthcare & Social Assistance (16,916 peers)
+7.2%
assets growth YoY
5.5×
vs typical plan assets (national mean)

Prospect Medical Retirement Savings Plan a's outsized position by total assets

Prospect Medical Retirement Savings Plan a vs every filed plan by assets

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

$551,582,728 Top 3% higher than 97% 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

Prospect Medical Retirement Savings Plan a's mega-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Prospect Medical Retirement Savings Plan a is a mega filing (10,488 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Prospect Medical Retirement Savings Plan a reported net income fell from $73M in the plan year 2023 filing to $46M in the plan year 2024 filing.
  • Prospect Medical Retirement Savings Plan a end-of-year assets rose from $515M in the plan year 2023 filing to $552M in the plan year 2024 filing.
  • Prospect Medical Retirement Savings Plan a reported participants fell from 11,285 in the plan year 2023 filing to 10,488 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 330564370 · Prospect Medical Holdings, Inc. PY 2024 · 401(k)

Prospect Medical Retirement Savings Plan a · $552M · 10,488 · 97th

  • PCT $552M
  • PCT 10,488
  • PCT 97th
  • PCT 401(k)
  • PCT near U-Haul Holding Company 401(k) Savings Plan
  • PCT ind #16486

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 →

Prospect Medical Retirement Savings Plan a in the asset neighbourhood

Doosan 401(k) Plan$552MProspect Medical Retirement Savings Plan aProspect Medical Retirement …$552MU-Haul Holding Company 401(k) Savings PlanU-Haul Holding Company 401(k…$552MInteger 401(k) Plan$551MThe Allegiant 401(k) Retirement PlanThe Allegiant 401(k) Retirem…$551M
End-of-year total assets ($M) among Prospect Medical Retirement Savings Plan a and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

California filing particulars

Total Assets (Beginning of Year)$515M
Net Assets (End of Year)$552M
Net Income$46M
Employer EIN330564370
Plan Effective Date1997-03-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Prospect Medical Holdings, Inc.)

Sponsor-wide plan assets over time

All Prospect Medical Holdings, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$848M 64.84787970476125% vs 2023
2024 filing year
$400M$600M$800M$1,000M 20232024 $515M $848M ▲ +64.8%
Year Plans Participants Total Assets
2023 1 11,285 $515M
2024 2 16,846 $848M

Nearby 401(k) Plans in California

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

Prospect Medical Retirement Savings Plan a vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. 050000100000150000 -200204060 Total assets ($B) Participants Prospect Medical Retirement Savings Plan a, Total assets ($B): 0.551582728 · Participants: 10488Prospect Medical Retirement Savings Plan aGoogle 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
Prospect Medical Retirement Savings Plan a vs. nearby 401(k) plans in California, assets vs. participants
Compare Prospect Medical Retirement Savings Plan a side-by-side with 3 peers →

Prospect Medical Retirement Savings Plan a's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is U-Haul Holding Company 401(k) Savings Plan in AZ ($552M); by covered participants it is Loomis 401(k) Pre-Tax Savings Plan in TX (10,500 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($552M here).

Similar participant headcount

Nearest other-state filings by covered participants (10,488 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 Prospect Medical Retirement Savings Plan a assets move in 2024? ▼
Prospect Medical Retirement Savings Plan a grew at a solid clip - up 7.2% during 2024, from $515M to $552M. Reported net income was $46M.
How have Prospect Medical Holdings, Inc. plan assets changed over time? ▼
Across 2 plan years on file (2023-2024), Prospect Medical Holdings, Inc.'s sponsor-wide assets grew 64.8%, from $515M to $848M.
Where does Prospect Medical Retirement Savings Plan a rank by assets among Form 5500 filers? ▼
Prospect Medical Retirement Savings Plan a ranks in the 97th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Prospect Medical Retirement Savings Plan a? ▼
Among 401(k) plans in other states, the closest by assets is U-Haul Holding Company 401(k) Savings Plan in AZ ($552M, 31,511 participants).
Which 401(k) plans cover a similar participant headcount to Prospect Medical Retirement Savings Plan a? ▼
Among 401(k) plans in other states, the closest by covered participants is Loomis 401(k) Pre-Tax Savings Plan in TX (10,500 participants, $258M 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 330564370.

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.