Other · DOL Form 5500 · 2024

California Institute of Technology Retirement Plan

Data updated 2026-08-25

$5.2B
Total assets Very large vs avg
10,970
Participants Very large workforce
100th
Percentile by assets National rank
$478,275
Avg per participant High balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Caltech Base Retirement Plan · Sponsored by California Institute of Technology · California · Educational Services

$5.2B in assets, 10,970 participants

California Institute of Technology's Caltech Base Retirement Plan reported $5.2B in total assets and 10,970 participants in its 2024 DOL Form 5500 filing, ranking in the 100th 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.

  • #3,626 in Educational Services (3,638 peers)

Coverage in California

Caltech Base Retirement Plan covers 10,970 participants in California, 17x the typical California plan (state average ~630 per filing). Assets: $5.2B.

#3,626
in Educational Services (3,638 peers)
+9.5%
assets growth YoY
53×
vs typical plan assets (national mean)

Caltech Base Retirement Plan's outsized position by total assets

Caltech Base Retirement Plan vs every filed plan by assets

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

$5,246,676,378 Highest reported value at or above every one 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

Caltech Base Retirement Plan'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. Caltech Base Retirement Plan is a mega filing (10,970 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Caltech Base Retirement Plan reported net income fell from $592M in the plan year 2023 filing to $454M in the plan year 2024 filing.
  • Caltech Base Retirement Plan end-of-year assets rose from $4.8B in the plan year 2023 filing to $5.2B in the plan year 2024 filing.
  • Caltech Base Retirement Plan reported participants rose from 10,682 in the plan year 2023 filing to 10,970 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 951643307 · California Institute of Technology PY 2024 · Other

Caltech Base Retirement Plan · $5.2B · 10,970 · 100th

  • RANK $5.2B
  • PHOTO 10,970
  • IND 100th
  • EOY Other
  • 5500 near Fca US LLC UAW Savings Plan
  • ASSETS ind #3626

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 →

Caltech Base Retirement Plan in the asset neighbourhood

New York University Retirement Plan for Members of the Faculty, Professional Research Staff and AdministrationNew York University Retireme…$5.4BCaltech Base Retirement Plan$5.2BFca US LLC UAW Savings Plan$5.2BThe Mitre Corporation Tax Sheltered Annuity PlanThe Mitre Corporation Tax Sh…$5.1BFca US LLC Salaried Employees' Savings PlanFca US LLC Salaried Employee…$5.1B
End-of-year total assets ($B) among Caltech Base Retirement Plan and nearest nationwide Other peers. Source: DOL Form 5500 plan year 2024.

California filing particulars

Total Assets (Beginning of Year)$4.8B
Net Assets (End of Year)$5.2B
Net Income$454M
Employer EIN951643307
Plan Effective Date1921-11-01
Filing StatusFILING RECEIVED

Sponsor Plan History (California Institute of Technology)

Sponsor-wide plan assets over time

All California Institute of Technology plans reported in each filing year

Latest sponsor-wide plan assets
$7.6B 29.22886903959861% vs 2022
2024 filing year
$5B$6B$7B$8B 202220232024 $5.87B $7.58B ▲ +29.1%
Year Plans Participants Total Assets
2022 2 18,012 $5.9B
2023 2 18,963 $6.8B
2024 2 19,524 $7.6B

Nearby Other Plans in California

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

Caltech Base Retirement Plan vs. nearby Other plans in California, assets vs. participants Scatter plot of 6 data points. 0100002000030000400005000060000 051015 Total assets ($B) Participants Caltech Base Retirement Plan, Total assets ($B): 5.246676378 · Participants: 10970Caltech Base Retirement PlanStanford Contributory Retirement Plan, Total assets ($B): 12.568126014 · Participants: 22753Stanford Contributory Retirement PlanSutter Health 403(b) Savings Plan, Total assets ($B): 7.632419022 · Participants: 54954Sutter Health 403(b) Savings PlanStanford Health Care Retirement Savings Plan, Total assets ($B): 6.931286515 · Participants: 24152Stanford Health Care Retirement Savings PlanUniversity of Southern California Tax-Deferred Annuity Plan, Total assets ($B): 4.81831751 · Participants: 20886University of Southern California Tax-Deferred Annuity PlanCedars-Sinai 403b Retirement Plan, Total assets ($B): 2.614347784 · Participants: 11878Cedars-Sinai 403b Retirement Plan
Caltech Base Retirement Plan vs. nearby Other plans in California, assets vs. participants

Scale composition for Caltech Base Retirement Plan

Caltech Base Retirement Plan reports $5.2B in end-of-year assets across 10,970 participants (0.043% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.012% of 93,925,755 covered participants) - about $478,275 per participant (3.5x the national average assets-per-participant) . Net income for plan year 2024 was $454M.

This plan identity (EIN 951643307, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $4.2B to $5.2B (+24.9%) while covered participants moved from 9,827 to 10,970 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 9,827 $4.2B Open filing
2023 10,682 $4.8B Open filing
2024 · index core 10,970 $5.2B This page

The same sponsor also keeps 1 other index-core plan on PlainRetire:

Caltech Base Retirement Plan's out-of-state Other peers by assets and headcount

Outside California, the nearest Other by assets is Fca US LLC UAW Savings Plan in MI ($5.2B); by covered participants it is Nyu Grossman School of Medicine Management and Staff 403(b) Retirement Plan in NY (10,953 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (10,970 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 Caltech Base Retirement Plan assets move in 2024?
Caltech Base Retirement Plan grew at a solid clip - up 9.5% during 2024, from $4.8B to $5.2B. Reported net income was $454M.
How have California Institute of Technology plan assets changed over time?
Across 3 plan years on file (2022-2024), California Institute of Technology's sponsor-wide assets grew 29.2%, from $5.9B to $7.6B.
Where does Caltech Base Retirement Plan rank by assets among Form 5500 filers?
Caltech Base Retirement Plan ranks in the 100th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which Other plans are similar in size to Caltech Base Retirement Plan?
Among Other plans in other states, the closest by assets is Fca US LLC UAW Savings Plan in MI ($5.2B, 44,591 participants).
Which Other plans cover a similar participant headcount to Caltech Base Retirement Plan?
Among Other plans in other states, the closest by covered participants is Nyu Grossman School of Medicine Management and Staff 403(b) Retirement Plan in NY (10,953 participants, $1000M in assets).