Other · DOL Form 5500 · 2023

Marine Biological Laboratory Retirement Plan

Data updated 2026-08-25

$41M
Total assets Below avg plan size
241
Participants Below avg headcount
83rd
Percentile by assets National rank
$169,200
Avg per participant Above avg balance/head
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Official DOL plan name: Marine Biological Laboratory Tax Deferred Annuity Plan · Sponsored by Marine Biological Laboratory · Massachusetts · Educational Services

$41M in assets, 241 participants

Marine Biological Laboratory's Marine Biological Laboratory Tax Deferred Annuity Plan reported $41M in total assets and 241 participants in its 2023 DOL Form 5500 filing, ranking in the 83rd 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.

  • #2,615 in Educational Services (3,735 peers)

Coverage in Massachusetts

Marine Biological Laboratory Tax Deferred Annuity Plan covers 241 participants in Massachusetts, about 37% of the average Massachusetts filer (state average ~659 per filing). Assets: $41M.

#2,615
in Educational Services (3,735 peers)
+12.9%
assets growth YoY
0.4×
vs typical plan assets (national mean)

Marine Biological Laboratory Tax Deferred Annuity Plan's outsized position by total assets

Marine Biological Laboratory Tax Deferred Annuity Plan vs every filed plan by assets

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

$40,777,163 Top 17% higher than 83% 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

Marine Biological Laboratory Tax Deferred Annuity 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. Marine Biological Laboratory Tax Deferred Annuity Plan sits mid-pack in the medium band (241 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Marine Biological Laboratory Tax Deferred Annuity Plan reported net income rose from -$4M in the plan year 2022 filing to $5M in the plan year 2023 filing.
  • Marine Biological Laboratory Tax Deferred Annuity Plan reported participants rose from 177 in the plan year 2022 filing to 241 in the plan year 2023 filing.
  • Marine Biological Laboratory Tax Deferred Annuity Plan end-of-year assets rose from $36M in the plan year 2022 filing to $41M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 042104690 · Marine Biological Laboratory PY 2023 · Other

Marine Biological Laboratory Tax Deferred Annuity Plan · $41M · 241 · 83rd

  • PART $41M
  • TYPE 241
  • NET 83rd
  • BOOK Other
  • VS-ST near Graland Country Day School Retirement Plan
  • BOY ind #2615

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 Massachusetts →

Marine Biological Laboratory Tax Deferred Annuity Plan in the asset neighbourhood

Pocono Health System Defined Contribution PlanPocono Health System Defined…$41MGraland Country Day School Retirement PlanGraland Country Day School R…$41MMarine Biological Laboratory Tax Deferred Annuity PlanMarine Biological Laboratory…$41MNew America Foundation 403(b) DC PlanNew America Foundation 403(b…$41MChc Retirement Savings Plan$41M
End-of-year total assets ($M) among Marine Biological Laboratory Tax Deferred Annuity Plan and nearest nationwide Other peers. Source: DOL Form 5500 plan year 2023.

Massachusetts filing particulars

Total Assets (Beginning of Year)$36M
Net Assets (End of Year)$41M
Net Income$5M
Employer EIN042104690
Plan Effective Date1980-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Marine Biological Laboratory)

Sponsor-wide plan assets over time

All Marine Biological Laboratory plans reported in each filing year

Latest sponsor-wide plan assets
$115M 25.031168692737094% vs 2022
2024 filing year
$80M$90M$100M$110M$120M 202220232024 $91.7M $115M ▲ +25.0%
Year Plans Participants Total Assets
2022 2 380 $92M
2023 2 450 $105M
2024 2 569 $115M

Nearby Other Plans in Massachusetts

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

Marine Biological Laboratory Tax Deferred Annuity Plan vs. nearby Other plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -50000500010000150002000025000 -20246 Total assets ($B) Participants Marine Biological Laboratory Tax Deferred Annuity Plan, Total assets ($B): 0.040777163 · Participants: 241Marine Biological Laboratory Tax Deferred Annuity PlanThe Mitre Corporation Tax Sheltered Annuity Plan, Total assets ($B): 4.700618255 · Participants: 11980The Mitre Corporation Tax Sheltered Annuity PlanHarvard University Tax Deferred Annuity Plan, Total assets ($B): 3.76566072 · Participants: 21064Harvard University Tax Deferred Annuity PlanBoston University Retirement Plan, Total assets ($B): 2.758080647 · Participants: 8130Boston University Retirement PlanBeth Israel Deaconess Medical Center Voluntary 403(b) Plan, Total assets ($B): 2.396382678 · Participants: 13981Beth Israel Deaconess Medical Center Voluntary 403(b) PlanNortheastern University Retirement Plan, Total assets ($B): 2.333339945 · Participants: 8553Northeastern University Retirement Plan
Marine Biological Laboratory Tax Deferred Annuity Plan vs. nearby Other plans in Massachusetts, assets vs. participants

Marine Biological Laboratory Tax Deferred Annuity Plan's out-of-state Other peers by assets and headcount

Outside Massachusetts, the nearest Other by assets is Graland Country Day School Retirement Plan in CO ($41M); by covered participants it is Clark Retirement Community 403(b) Savings & in MI (241 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($41M here).

Similar participant headcount

Nearest other-state filings by covered participants (241 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 Marine Biological Laboratory Tax Deferred Annuity Plan assets move in 2023?
Marine Biological Laboratory Tax Deferred Annuity Plan grew at a solid clip - up 12.9% during 2023, from $36M to $41M. Reported net income was $5M.
How have Marine Biological Laboratory plan assets changed over time?
Across 3 plan years on file (2022-2024), Marine Biological Laboratory's sponsor-wide assets grew 25.0%, from $92M to $115M.
Where does Marine Biological Laboratory Tax Deferred Annuity Plan rank by assets among Form 5500 filers?
Marine Biological Laboratory Tax Deferred Annuity Plan ranks in the 83rd 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 Marine Biological Laboratory Tax Deferred Annuity Plan?
Among Other plans in other states, the closest by assets is Graland Country Day School Retirement Plan in CO ($41M, 198 participants).
Which Other plans cover a similar participant headcount to Marine Biological Laboratory Tax Deferred Annuity Plan?
Among Other plans in other states, the closest by covered participants is Clark Retirement Community 403(b) Savings & in MI (241 participants, N/A in assets).