401(k) · DOL Form 5500 · 2024

National Aquarium, Inc 401(k) Plan

Data updated 2026-08-25

$27M
Total assets Below avg plan size
338
Participants Below avg headcount
75th
Percentile by assets National rank
$78,861
Avg per participant Below avg balance/head
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Official DOL plan name: National Aquarium Inc. 401(k) Retirement Savings Plan · Sponsored by National Aquarium, Inc · Maryland · Arts, Entertainment & Recreation

$27M in assets, 338 participants

National Aquarium, Inc's National Aquarium Inc. 401(k) Retirement Savings Plan reported $27M in total assets and 338 participants in its 2024 DOL Form 5500 filing, ranking in the 75th 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.

  • #2,484 in Arts, Entertainment & Recreation (2,921 peers)

Coverage in Maryland

National Aquarium Inc. 401(k) Retirement Savings Plan covers 338 participants in Maryland, about 36% of the average Maryland filer (state average ~929 per filing). Assets: $27M.

#2,484
in Arts, Entertainment & Recreation (2,921 peers)
+13.2%
assets growth YoY
0.3×
vs typical plan assets (national mean)

National Aquarium Inc. 401(k) Retirement Savings Plan's outsized position by total assets

National Aquarium Inc. 401(k) Retirement Savings Plan vs every filed plan by assets

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

$26,654,908 Top 25% higher than 75% 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

National Aquarium Inc. 401(k) Retirement Savings 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. National Aquarium Inc. 401(k) Retirement Savings Plan sits mid-pack in the medium band (338 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • National Aquarium Inc. 401(k) Retirement Savings Plan reported net income rose from $3M in the plan year 2023 filing to $3M in the plan year 2024 filing.
  • National Aquarium Inc. 401(k) Retirement Savings Plan end-of-year assets rose from $24M in the plan year 2023 filing to $27M in the plan year 2024 filing.
  • National Aquarium Inc. 401(k) Retirement Savings Plan reported participants fell from 352 in the plan year 2023 filing to 338 in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 521121163 · National Aquarium, Inc PY 2024 · 401(k)

National Aquarium Inc. 401(k) Retirement Savings Plan · $27M · 338 · 75th

  • BOY $27M
  • BOY 338
  • BOY 75th
  • BOY 401(k)
  • BOY near Reingold, Inc. 401(k) Plan
  • BOY ind #2484

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 Maryland →

National Aquarium Inc. 401(k) Retirement Savings Plan in the asset neighbourhood

Maine Eye Center, P.a. Profit Sharing PlanMaine Eye Center, P.a. Profi…$27MNational Aquarium Inc. 401(k) Retirement Savings PlanNational Aquarium Inc. 401(k…$27MReingold, Inc. 401(k) Plan$27MMccarthy Retirement Savings PlanMccarthy Retirement Savings …$27MNew Mexico Mutual 401(k) Plan$27M
End-of-year total assets ($M) among National Aquarium Inc. 401(k) Retirement Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Maryland filing particulars

Total Assets (Beginning of Year)$24M
Net Assets (End of Year)$27M
Net Income$3M
Employer EIN521121163
Plan Effective Date1997-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (National Aquarium, Inc)

Sponsor-wide plan assets over time

All National Aquarium, Inc plans reported in each filing year

Latest sponsor-wide plan assets
$27M 27.44293603910769% vs 2022
2024 filing year
$20M$22M$24M$26M$28M 202220232024 $20.9M $26.7M ▲ +27.4%
Year Plans Participants Total Assets
2022 1 344 $21M
2023 1 352 $24M
2024 1 338 $27M

Nearby 401(k) Plans in Maryland

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

National Aquarium Inc. 401(k) Retirement Savings Plan vs. nearby 401(k) plans in Maryland, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants National Aquarium Inc. 401(k) Retirement Savings Plan, Total assets ($B): 0.026654908 · Participants: 338National Aquarium Inc. 401(k) Retirement Savings 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
National Aquarium Inc. 401(k) Retirement Savings Plan vs. nearby 401(k) plans in Maryland, assets vs. participants
Compare National Aquarium Inc. 401(k) Retirement Savings Plan side-by-side with 3 peers →

National Aquarium Inc. 401(k) Retirement Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Maryland, the nearest 401(k) by assets is Reingold, Inc. 401(k) Plan in VA ($27M); by covered participants it is Healthcrest Surgical 401(k) Plan in OK (338 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($27M here).

Similar participant headcount

Nearest other-state filings by covered participants (338 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 National Aquarium Inc. 401(k) Retirement Savings Plan assets move in 2024? ▼
National Aquarium Inc. 401(k) Retirement Savings Plan grew at a solid clip - up 13.2% during 2024, from $24M to $27M. Reported net income was $3M.
How have National Aquarium, Inc plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), National Aquarium, Inc's sponsor-wide assets grew 27.4%, from $21M to $27M.
Where does National Aquarium Inc. 401(k) Retirement Savings Plan rank by assets among Form 5500 filers? ▼
National Aquarium Inc. 401(k) Retirement Savings Plan ranks in the 75th 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 National Aquarium Inc. 401(k) Retirement Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Reingold, Inc. 401(k) Plan in VA ($27M, 254 participants).
Which 401(k) plans cover a similar participant headcount to National Aquarium Inc. 401(k) Retirement Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Healthcrest Surgical 401(k) Plan in OK (338 participants, $12M 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 521121163.

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.