Other · DOL Form 5500 · 2023

Marin Horizon School Retirement Plan

Data updated 2026-08-25

$11M
Total assets Small plan by assets
91
Participants Small participant base
60th
Percentile by assets National rank
$119,201
Avg per participant Near avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Marin Horizon School 403(b) DC Plan · Sponsored by Marin Horizon School · California · Educational Services

$11M in assets, 91 participants

Marin Horizon School's Marin Horizon School 403(b) DC Plan reported $11M in total assets and 91 participants in its 2023 DOL Form 5500 filing, ranking in the 60th 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.

  • #1,623 in Educational Services (3,735 peers)

Marin Horizon School multi-year trail

Marin Horizon School's plans moved +20.8% in assets from 2022 to 2024; this filing shows Marin Horizon School 403(b) DC Plan at $11M / 91 participants.

#1,623
in Educational Services (3,735 peers)
+17.3%
assets growth YoY

Marin Horizon School 403(b) DC Plan's mid-pack asset rank among Educational Services and all filers

Marin Horizon School 403(b) DC Plan vs every filed plan by assets

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

$10,847,334 Top 40% higher than 60% 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

Marin Horizon School 403(b) DC Plan among smaller filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Marin Horizon School 403(b) DC Plan is a small filing (91 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Marin Horizon School 403(b) DC Plan reported participants rose from 74 in the plan year 2022 filing to 91 in the plan year 2023 filing.
  • Marin Horizon School 403(b) DC Plan end-of-year assets rose from $9M in the plan year 2022 filing to $11M in the plan year 2023 filing.
  • Marin Horizon School 403(b) DC Plan reported net income rose from $1M in the plan year 2022 filing to $2M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 942427732 · Marin Horizon School PY 2023 · Other

Marin Horizon School 403(b) DC Plan · $11M · 91 · 60th

  • ASSETS $11M
  • PCT 91
  • EIN 60th
  • RANK Other
  • PHOTO near 403(b) Thrift Plan of Making Opportunity Count, Inc.
  • IND ind #1623

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 Educational Services retirement plans → · Plans in California →

Marin Horizon School 403(b) DC Plan in the asset neighbourhood

Clm Center for Life Management Tax Sheltered Annuity PlanClm Center for Life Manageme…$11MMarin Horizon School 403(b) DC PlanMarin Horizon School 403(b) …$11M403(b) Thrift Plan of Making Opportunity Count, Inc.403(b) Thrift Plan of Making…$11MFrancis Parker School of Louisville, Inc. Retirement PlanFrancis Parker School of Lou…$11MThe New Community School 403(b) DC PlanThe New Community School 403…$11M
End-of-year total assets ($M) among Marin Horizon School 403(b) DC Plan and nearest nationwide Other peers. Source: DOL Form 5500 plan year 2023.

Marin Horizon School multi-year asset trail

Sponsor-wide plan assets over time

All Marin Horizon School plans reported in each filing year

Latest sponsor-wide plan assets
$11M 20.806363132940646% vs 2022
2024 filing year
$9M$10M$11M$12M 202220232024 $9.25M $11.2M ▲ +20.8%
Year Plans Participants Total Assets
2022 1 74 $9M
2023 1 91 $11M
2024 1 106 $11M

Marin Horizon School filing trail (2023)

Total Assets (Beginning of Year)$9M
Net Assets (End of Year)$11M
Net Income$2M
Employer EIN942427732
Plan Effective Date1987-02-01
Filing StatusFILING RECEIVED

Nearby Other Plans in California

Peer Other plans, same state, same plan type, ranked by total assets.

Marin Horizon School 403(b) DC Plan vs. nearby Other plans in California, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -5051015 Total assets ($B) Participants Marin Horizon School 403(b) DC Plan, Total assets ($B): 0.010847334 · Participants: 91Marin Horizon School 403(b) DC PlanStanford Contributory Retirement Plan, Total assets ($B): 11.039978863 · Participants: 21674Stanford Contributory Retirement PlanSutter Health 403(b) Savings Plan, Total assets ($B): 6.533806707 · Participants: 50273Sutter Health 403(b) Savings PlanStanford Health Care Retirement Savings Plan, Total assets ($B): 5.761504142 · Participants: 22681Stanford Health Care Retirement Savings PlanCaltech Base Retirement Plan, Total assets ($B): 4.792181822 · Participants: 10682Caltech Base Retirement PlanUniversity of Southern California Tax-Deferred Annuity Plan, Total assets ($B): 4.277911652 · Participants: 21764University of Southern California Tax-Deferred Annuity Plan
Marin Horizon School 403(b) DC Plan vs. nearby Other plans in California, assets vs. participants

Marin Horizon School 403(b) DC Plan's out-of-state Other peers by assets and headcount

Outside California, the nearest Other by assets is 403(b) Thrift Plan of Making Opportunity Count, Inc. in MA ($11M); by covered participants it is Quality Progressions 403(b) Plan in PA (91 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (91 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 Marin Horizon School 403(b) DC Plan assets move in 2023?
Marin Horizon School 403(b) DC Plan grew sharply - up 17.3% during 2023, from $9M to $11M. Reported net income was $2M.
How have Marin Horizon School plan assets changed over time?
Across 3 plan years on file (2022-2024), Marin Horizon School's sponsor-wide assets grew 20.8%, from $9M to $11M.
Which Other plans are similar in size to Marin Horizon School 403(b) DC Plan?
Among Other plans in other states, the closest by assets is 403(b) Thrift Plan of Making Opportunity Count, Inc. in MA ($11M, 279 participants).
Which Other plans cover a similar participant headcount to Marin Horizon School 403(b) DC Plan?
Among Other plans in other states, the closest by covered participants is Quality Progressions 403(b) Plan in PA (91 participants, $5M in assets).