Other · DOL Form 5500 · 2023

William Marsh Rice University Retirement Plan

Data updated 2026-08-11

$764M
Total assets
5,345
Participants
98th
Percentile by assets
$142,881
Avg per participant
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Official DOL plan name: William Marsh Rice University Supplemental 403(b) Plan · Sponsored by William Marsh Rice University · Texas · Educational Services

$764M in assets, 5,345 participants

William Marsh Rice University's William Marsh Rice University Supplemental 403(b) Plan reported $764M in total assets and 5,345 participants in its 2023 DOL Form 5500 filing, ranking in the 98th 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.

  • 98th percentile by assets (of 127,072 plans)
  • #3,643 in Educational Services (3,735 peers)

Coverage in Texas

William Marsh Rice University Supplemental 403(b) Plan covers 5,345 participants in Texas, 7.8x the typical Texas plan (state average ~688 per filing). Assets: $764M.

$764M
total plan assets (2023 EOY)
5,345
covered participants
98th
percentile by assets (of 127,072 plans)
$142,881
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • William Marsh Rice University Supplemental 403(b) Plan reported net income rose from -$107M in the plan year 2022 filing to $98M in the plan year 2023 filing.
  • William Marsh Rice University Supplemental 403(b) Plan end-of-year assets rose from $666M in the plan year 2022 filing to $764M in the plan year 2023 filing.
  • William Marsh Rice University Supplemental 403(b) Plan reported participants rose from 5,213 in the plan year 2022 filing to 5,345 in the plan year 2023 filing.

See the national 2022→2023 release diff →

State

Participants vs Texas filers

In Texas, the average filing covers about 688 participants across 10,116 plans. William Marsh Rice University Supplemental 403(b) Plan reports 5,345 participants - 7.8x that state average ($764M EOY assets).

Texas filing particulars

Total Assets (Beginning of Year)$666M
Net Assets (End of Year)$764M
Net Income$98M
Employer EIN741109620
Plan Effective Date2007-01-15
Filing StatusFILING RECEIVED

Sponsor Plan History (William Marsh Rice University)

$1.2B$1.4B$1.6B$1.8B$2B 202220232024 $1.38B $1.78B ▲ +29.0%
Total plan assets by year, all William Marsh Rice University plans on file
Year Plans Participants Total Assets
2022 2 12,050 $1.4B
2023 2 12,121 $1.6B
2024 2 12,012 $1.8B

Nearby Other Plans in Texas

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

William Marsh Rice University Supplemental 403(b) Plan vs. nearby Other plans in Texas, assets vs. participants

William Marsh Rice University Supplemental 403(b) Plan vs. nearby Other plans in Texas, assets vs. participants Scatter plot of 6 data points. 010000200003000040000 0.511.522.53 Total assets ($B) Participants William Marsh Rice U…Memorial Hermann Hea…The Tax Sheltered An…Baylor College of Me…The Tax Sheltered An…Southwest Research I…
William Marsh Rice University Supplemental 403(b) Plan vs. nearby Other plans in Texas, assets vs. participants

Scale composition for William Marsh Rice University Supplemental 403(b) Plan

William Marsh Rice University Supplemental 403(b) Plan reports $764M in end-of-year assets across 5,345 participants (0.006% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.006% of 93,925,755 covered participants) - about $142,881 per participant (1.0x the national average assets-per-participant) . Net income for plan year 2023 was $98M.

This plan identity (EIN 741109620, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $666M to $848M (+27.3%) while covered participants moved from 5,213 to 5,225 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 5,213 $666M Open filing
2023 5,345 $764M This page
2024 · index core 5,225 $848M Open filing

The same sponsor also keeps 2 other index-core plans on PlainRetire:

Similar-Sized Other Plans Nationally

Other plans in other states closest to William Marsh Rice University Supplemental 403(b) Plan by total assets, not by location.

Frequently Asked Questions

How did William Marsh Rice University Supplemental 403(b) Plan assets move in 2023?
William Marsh Rice University Supplemental 403(b) Plan grew at a solid clip - up 14.6% during 2023, from $666M to $764M. Reported net income was $98M.
How have William Marsh Rice University plan assets changed over time?
Across 3 plan years on file (2022-2024), William Marsh Rice University's sponsor-wide assets grew 28.4%, from $1.4B to $1.8B.
Where does William Marsh Rice University Supplemental 403(b) Plan rank by assets among Form 5500 filers?
William Marsh Rice University Supplemental 403(b) Plan ranks in the 98th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).
Which Other plans are similar in size to William Marsh Rice University Supplemental 403(b) Plan?
Among Other plans in other states, the closest by assets is The Rockefeller University Retirement Plan in NY ($761M, 1,330 participants).

Next read for William Marsh Rice University Supplement…

Filing takeaways

Ways to act on William Marsh Rice University Supplemental 403(b) Plan's numbers.