Other · DOL Form 5500 · 2023

Joslin Diabetes Center Inc. Retirement Plan

Data updated 2026-08-25

$181M
Total assets Near avg plan size
357
Participants Below avg headcount
94th
Percentile by assets National rank
$506,006
Avg per participant High balance/head
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Official DOL plan name: The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan · Sponsored by Joslin Diabetes Center Inc. · Massachusetts · Healthcare & Social Assistance

$181M in assets, 357 participants

Joslin Diabetes Center Inc.'s The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan reported $181M in total assets and 357 participants in its 2023 DOL Form 5500 filing, ranking in the 94th 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.

  • #16,803 in Healthcare & Social Assistance (17,684 peers)

Where The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan sits by assets

The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan sits in the top 10% of all filed plans by assets, $181M for 357 participants (~$506,006/participant), up 12.9% in 2023.

#16,803
in Healthcare & Social Assistance (17,684 peers)
+12.9%
assets growth YoY
1.8×
vs typical plan assets (national mean)

The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan's outsized position by total assets

The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan vs every filed plan by assets

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

$180,644,281 Top 6% higher than 94% 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

The Joslin Diabetes Center, Inc. Defined Contribution Retirement 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. The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan sits mid-pack in the medium band (357 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan reported net income rose from -$53M in the plan year 2022 filing to $21M in the plan year 2023 filing.
  • The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan end-of-year assets rose from $160M in the plan year 2022 filing to $181M in the plan year 2023 filing.
  • The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan reported participants fell from 365 in the plan year 2022 filing to 357 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 042203836 · Joslin Diabetes Center Inc. PY 2023 · Other

The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan · $181M · 357 · 94th

  • EBSA $181M
  • EBSA 357
  • EBSA 94th
  • EBSA Other
  • EBSA near St. Mary's University Defined Contribution Retirement Plan
  • EBSA ind #16803

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 Healthcare & Social Assistance retirement plans → · Plans in Massachusetts →

The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan in the asset neighbourhood

Regions Hospital 403(b) Plan$182MSt. Mary's University Defined Contribution Retirement PlanSt. Mary's University Define…$181MThe Joslin Diabetes Center, Inc. Defined Contribution Retirement PlanThe Joslin Diabetes Center, …$181MAmerican Public Media Group Retirement PlanAmerican Public Media Group …$180MEmh Retirement Savings Plan$179M
End-of-year total assets ($M) among The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan and nearest nationwide Other peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$160M
Net Assets (End of Year)$181M
Net Income$21M
Employer EIN042203836
Plan Effective Date1969-10-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Joslin Diabetes Center Inc.)

Sponsor-wide plan assets over time

All Joslin Diabetes Center Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$193M 20.671479440210796% vs 2022
2024 filing year
$150M$160M$170M$180M$190M$200M 202220232024 $160M $193M ▲ +20.7%
Year Plans Participants Total Assets
2022 1 365 $160M
2023 1 357 $181M
2024 1 369 $193M

Nearby Other Plans in Massachusetts

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

The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan vs. nearby Other plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -50000500010000150002000025000 -1012345 Total assets ($B) Participants The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan, Total assets ($B): 0.180644281 · Participants: 357The Joslin Diabetes Center, Inc. Defined Contribution Retirement 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
The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan vs. nearby Other plans in Massachusetts, assets vs. participants

The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan's out-of-state Other peers by assets and headcount

Outside Massachusetts, the nearest Other by assets is St. Mary's University Defined Contribution Retirement Plan in TX ($181M); by covered participants it is Baptist Homes Pension Plan in PA (357 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($181M here).

Similar participant headcount

Nearest other-state filings by covered participants (357 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 The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan assets move in 2023?
The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan grew at a solid clip - up 12.9% during 2023, from $160M to $181M. Reported net income was $21M.
How have Joslin Diabetes Center Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Joslin Diabetes Center Inc.'s sponsor-wide assets grew 20.7%, from $160M to $193M.
Where does The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan rank by assets among Form 5500 filers?
The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan ranks in the 94th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which Other plans are similar in size to The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan?
Among Other plans in other states, the closest by assets is St. Mary's University Defined Contribution Retirement Plan in TX ($181M, 767 participants).
Which Other plans cover a similar participant headcount to The Joslin Diabetes Center, Inc. Defined Contribution Retirement Plan?
Among Other plans in other states, the closest by covered participants is Baptist Homes Pension Plan in PA (357 participants, $18M in assets).