401(k) · DOL Form 5500 · 2024

Regenxbio Inc. 401(k) Plan

Data updated 2026-08-25

$68M
Total assets Below avg plan size
348
Participants Below avg headcount
87th
Percentile by assets National rank
$194,608
Avg per participant Above avg balance/head
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Official DOL plan name: Regenxbio Inc 401(k) Plan · Sponsored by Regenxbio Inc. · Maryland · Professional & Technical Services

$68M in assets, 348 participants

Regenxbio Inc.'s Regenxbio Inc 401(k) Plan reported $68M in total assets and 348 participants in its 2024 DOL Form 5500 filing, ranking in the 87th 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.

  • #17,807 in Professional & Technical Services (20,173 peers)

Coverage in Maryland

Regenxbio Inc 401(k) Plan covers 348 participants in Maryland, about 37% of the average Maryland filer (state average ~929 per filing). Assets: $68M.

#17,807
in Professional & Technical Services (20,173 peers)
+26.5%
assets growth YoY
0.7×
vs typical plan assets (national mean)

Regenxbio Inc 401(k) Plan's outsized position by total assets

Regenxbio Inc 401(k) Plan vs every filed plan by assets

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

$67,723,541 Top 13% higher than 87% 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

Regenxbio Inc 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Regenxbio Inc 401(k) Plan sits mid-pack in the medium band (348 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Regenxbio Inc 401(k) Plan end-of-year assets rose from $54M in the plan year 2023 filing to $68M in the plan year 2024 filing.
  • Regenxbio Inc 401(k) Plan reported participants fell from 395 in the plan year 2023 filing to 348 in the plan year 2024 filing.
  • Regenxbio Inc 401(k) Plan reported net income fell from $16M in the plan year 2023 filing to $14M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 471851754 · Regenxbio Inc. PY 2024 · 401(k)

Regenxbio Inc 401(k) Plan · $68M · 348 · 87th

  • ASSETS $68M
  • PCT 348
  • EIN 87th
  • RANK 401(k)
  • PHOTO near Glassbridge Retirement Investment Plan
  • IND ind #17807

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 Professional & Technical Services retirement plans → · Plans in Maryland →

Regenxbio Inc 401(k) Plan in the asset neighbourhood

Culligan Soft Water Services Savings PlanCulligan Soft Water Services…$68MMai Wealth Management Employee 401(k) Savings PlanMai Wealth Management Employ…$68MGlassbridge Retirement Investment PlanGlassbridge Retirement Inves…$68MRegenxbio Inc 401(k) Plan$68MMetron, Inc. 401(k) Profit Sharing PlanMetron, Inc. 401(k) Profit S…$68M
End-of-year total assets ($M) among Regenxbio Inc 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Maryland filing particulars

Total Assets (Beginning of Year)$54M
Net Assets (End of Year)$68M
Net Income$14M
Employer EIN471851754
Plan Effective Date2015-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Regenxbio Inc.)

Sponsor-wide plan assets over time

All Regenxbio Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$68M 80.20303605484762% vs 2022
2024 filing year
$30M$40M$50M$60M$70M$80M 202220232024 $37.6M $67.7M ▲ +80.2%
Year Plans Participants Total Assets
2022 1 362 $38M
2023 1 395 $54M
2024 1 348 $68M

Nearby 401(k) Plans in Maryland

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

Regenxbio Inc 401(k) Plan vs. nearby 401(k) plans in Maryland, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Regenxbio Inc 401(k) Plan, Total assets ($B): 0.067723541 · Participants: 348Regenxbio Inc 401(k) PlanLockheed Martin Corporation Salaried Savings Plan, Total assets ($B): 51.448624264 · Participants: 96812Lockheed Martin Corporation Salaried Savings PlanMarriott Retirement Savings Plan, Total assets ($B): 11.712016434 · Participants: 101417Marriott Retirement Savings PlanT. Rowe Price U.S. Retirement Program, Total assets ($B): 4.948487009 · Participants: 6639T. Rowe Price U.S. Retirement ProgramNfl Player Second Career Savings Plan, Total assets ($B): 4.08462816 · Participants: 2771Nfl Player Second Career Savings PlanLockheed Martin Corporation Performance Sharing Plan for Bargaining Employees, Total assets ($B): 2.987191008 · Participants: 18370Lockheed Martin Corporation Performance Sharing Plan for Bargaining Employees
Regenxbio Inc 401(k) Plan vs. nearby 401(k) plans in Maryland, assets vs. participants
Compare Regenxbio Inc 401(k) Plan side-by-side with 3 peers →

Regenxbio Inc 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Maryland, the nearest 401(k) by assets is Glassbridge Retirement Investment Plan in NY ($68M); by covered participants it is Opensquare 401(k) Retirement Plan in WA (348 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (348 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 Regenxbio Inc 401(k) Plan assets move in 2024? ▼
Regenxbio Inc 401(k) Plan grew sharply - up 26.5% during 2024, from $54M to $68M. Reported net income was $14M.
How have Regenxbio Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Regenxbio Inc.'s sponsor-wide assets grew 80.2%, from $38M to $68M.
Where does Regenxbio Inc 401(k) Plan rank by assets among Form 5500 filers? ▼
Regenxbio Inc 401(k) Plan ranks in the 87th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Regenxbio Inc 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Glassbridge Retirement Investment Plan in NY ($68M, 7 participants).
Which 401(k) plans cover a similar participant headcount to Regenxbio Inc 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Opensquare 401(k) Retirement Plan in WA (348 participants, N/A 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 471851754.

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.