Other · DOL Form 5500 · 2023

The Exploratorium Retirement Plan

Data updated 2026-08-25

$43M
Total assets Below avg plan size
482
Participants Below avg headcount
84th
Percentile by assets National rank
$88,745
Avg per participant Below avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: The Exploratorium Retirement Plan · Sponsored by The Exploratorium · California · Arts, Entertainment & Recreation

$43M in assets, 482 participants

The Exploratorium's The Exploratorium Retirement Plan reported $43M in total assets and 482 participants in its 2023 DOL Form 5500 filing, ranking in the 84th 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.

  • #2,665 in Arts, Entertainment & Recreation (2,945 peers)

Where The Exploratorium Retirement Plan sits by assets

The Exploratorium Retirement Plan sits in the top quartile of all filed plans by assets, $43M for 482 participants (~$88,745/participant), up 25.5% in 2023.

#2,665
in Arts, Entertainment & Recreation (2,945 peers)
+25.5%
assets growth YoY
0.4×
vs typical plan assets (national mean)

The Exploratorium Retirement Plan's outsized position by total assets

The Exploratorium Retirement Plan vs every filed plan by assets

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

$42,775,294 Top 16% higher than 84% 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

The Exploratorium Retirement 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. The Exploratorium Retirement Plan sits mid-pack in the medium band (482 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • The Exploratorium Retirement Plan reported net income rose from -$8M in the plan year 2022 filing to $9M in the plan year 2023 filing.
  • The Exploratorium Retirement Plan reported participants rose from 315 in the plan year 2022 filing to 482 in the plan year 2023 filing.
  • The Exploratorium Retirement Plan end-of-year assets rose from $34M in the plan year 2022 filing to $43M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 941696494 · The Exploratorium PY 2023 · Other

The Exploratorium Retirement Plan · $43M · 482 · 84th

  • BOOK $43M
  • VS-ST 482
  • BOY 84th
  • SCH Other
  • EBSA near Tiegerman School Employees Retirement Plan
  • PART ind #2665

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 Arts, Entertainment & Recreation retirement plans → · Plans in California →

The Exploratorium Retirement Plan in the asset neighbourhood

O'bleness Memorial Hospital Tax Sheltered Annuity PlanO'bleness Memorial Hospital …$43MMoravian Academy 403(b) DC PlanMoravian Academy 403(b) DC P…$43MThe Exploratorium Retirement PlanThe Exploratorium Retirement…$43MTiegerman School Employees Retirement PlanTiegerman School Employees R…$43MLudwig Institute for Cancer Research Ltd Retirement Savings PlanLudwig Institute for Cancer …$43M
End-of-year total assets ($M) among The Exploratorium Retirement Plan and nearest nationwide Other peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$34M
Net Assets (End of Year)$43M
Net Income$9M
Employer EIN941696494
Plan Effective Date2008-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (The Exploratorium)

Sponsor-wide plan assets over time

All The Exploratorium plans reported in each filing year

Latest sponsor-wide plan assets
$53M 39.734791306158776% vs 2022
2024 filing year
$35M$40M$45M$50M$55M 202220232024 $37.8M $52.9M ▲ +39.8%
Year Plans Participants Total Assets
2022 2 430 $38M
2023 2 594 $47M
2024 2 497 $53M

Nearby Other Plans in California

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

The Exploratorium Retirement Plan vs. nearby Other plans in California, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -5051015 Total assets ($B) Participants The Exploratorium Retirement Plan, Total assets ($B): 0.042775294 · Participants: 482The Exploratorium Retirement 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
The Exploratorium Retirement Plan vs. nearby Other plans in California, assets vs. participants
Compare The Exploratorium Retirement Plan side-by-side with 3 peers →

The Exploratorium Retirement Plan's out-of-state Other peers by assets and headcount

Outside California, the nearest Other by assets is Tiegerman School Employees Retirement Plan in NY ($43M); by covered participants it is Texas Association of School Boards, Inc. Retirement Plan in TX (482 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (482 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 The Exploratorium Retirement Plan assets move in 2023? ▼
The Exploratorium Retirement Plan grew sharply - up 25.5% during 2023, from $34M to $43M. Reported net income was $9M.
How have The Exploratorium plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), The Exploratorium's sponsor-wide assets grew 39.7%, from $38M to $53M.
Where does The Exploratorium Retirement Plan rank by assets among Form 5500 filers? ▼
The Exploratorium Retirement Plan ranks in the 84th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top quartile of all filed plans by assets).
Which Other plans are similar in size to The Exploratorium Retirement Plan? ▼
Among Other plans in other states, the closest by assets is Tiegerman School Employees Retirement Plan in NY ($43M, 328 participants).
Which Other plans cover a similar participant headcount to The Exploratorium Retirement Plan? ▼
Among Other plans in other states, the closest by covered participants is Texas Association of School Boards, Inc. Retirement Plan in TX (482 participants, $107M 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 941696494.

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.