Other · DOL Form 5500 · 2022

Mount Auburn Hospital Retirement Plan

Data updated 2026-08-25

$505M
Total assets Above avg plan size
2,146
Participants Near avg headcount
98th
Percentile by assets National rank
$235,098
Avg per participant Above avg balance/head
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Official DOL plan name: The Retirementplus Retirement Plan for Employees of Mount Auburn · Sponsored by Mount Auburn Hospital · Massachusetts · Healthcare & Social Assistance

$505M in assets, 2,146 participants

Mount Auburn Hospital's The Retirementplus Retirement Plan for Employees of Mount Auburn reported $505M in total assets and 2,146 participants in its 2022 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.

  • #19,675 in Healthcare & Social Assistance (20,060 peers)

Coverage in Massachusetts

The Retirementplus Retirement Plan for Employees of Mount Auburn covers 2,146 participants in Massachusetts, 3.3x the typical Massachusetts plan (state average ~659 per filing). Assets: $505M.

#19,675
in Healthcare & Social Assistance (20,060 peers)
+9.9%
assets growth YoY
5.1×
vs typical plan assets (national mean)

The Retirementplus Retirement Plan for Employees of Mount Auburn's outsized position by total assets

The Retirementplus Retirement Plan for Employees of Mount Auburn vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$504,520,816 Top 2% higher than 98% of 139,123 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 2022

The Retirementplus Retirement Plan for Employees of Mount Auburn's large-plan peer group by participant headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. The Retirementplus Retirement Plan for Employees of Mount Auburn lands in the large band (2,146 participants).

Published 5500 schedule card

Filing strip 042103606 · Mount Auburn Hospital PY 2022 · Other

The Retirementplus Retirement Plan for Employees of Mount Auburn · $505M · 2,146 · 98th

  • IND $505M
  • IND 2,146
  • IND 98th
  • IND Other
  • IND near St. Luke's Health Network 403(b) Plan
  • IND ind #19675

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 Retirementplus Retirement Plan for Employees of Mount Auburn in the asset neighbourhood

Pepperdine University Retirement PlanPepperdine University Retire…$509MIllinois Institute of Technology Tax Deferred Annuity PlanIllinois Institute of Techno…$506MThe Retirementplus Retirement Plan for Employees of Mount AuburnThe Retirementplus Retiremen…$505MSt. Luke's Health Network 403(b) PlanSt. Luke's Health Network 40…$503MThe Catholic University of America Retirement PlanThe Catholic University of A…$500M
End-of-year total assets ($M) among The Retirementplus Retirement Plan for Employees of Mount Auburn and nearest nationwide Other peers. Source: DOL Form 5500 plan year 2022.

Massachusetts filing particulars

Total Assets (Beginning of Year)$459M
Net Assets (End of Year)$505M
Net Income$46M
Employer EIN042103606
Plan Effective Date1990-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mount Auburn Hospital)

Sponsor-wide plan assets over time

All Mount Auburn Hospital plans reported in each filing year

Latest sponsor-wide plan assets
N/A
2024 filing year
$0M$200M$400M$600M$800M 202220232024 $505M $0M ▼ -100.0%
Year Plans Participants Total Assets
2022 1 2,146 $505M
2023 1 2,781 $588M
2024 1 2,762 N/A

Nearby Other Plans in Massachusetts

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

The Retirementplus Retirement Plan for Employees of Mount Auburn vs. nearby Other plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. 0500010000150002000025000 012345 Total assets ($B) Participants The Retirementplus Retirement Plan for Employees of Mount Auburn, Total assets ($B): 0.504520816 · Participants: 2146The Retirementplus Retirement Plan for Employees of Mount AuburnThe Mitre Corporation Tax Sheltered Annuity Plan, Total assets ($B): 4.147643081 · Participants: 12320The Mitre Corporation Tax Sheltered Annuity PlanHarvard University Tax Deferred Annuity Plan, Total assets ($B): 3.162431633 · Participants: 21269Harvard University Tax Deferred Annuity PlanBoston University Retirement Plan, Total assets ($B): 2.46303455 · Participants: 8045Boston University Retirement PlanNortheastern University Retirement Plan, Total assets ($B): 1.895761726 · Participants: 9310Northeastern University Retirement PlanBoston University Supplemental Retirement and Savings Plan, Total assets ($B): 1.339557889 · Participants: 12377Boston University Supplemental Retirement and Savings Plan
The Retirementplus Retirement Plan for Employees of Mount Auburn vs. nearby Other plans in Massachusetts, assets vs. participants
Compare The Retirementplus Retirement Plan for Employees of Mount Auburn side-by-side with 3 peers →

The Retirementplus Retirement Plan for Employees of Mount Auburn's out-of-state Other peers by assets and headcount

Outside Massachusetts, the nearest Other by assets is St. Luke's Health Network 403(b) Plan in PA ($503M); by covered participants it is Mid-South Iron Workers Direct Contribution Fund in TX (2,144 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($505M here).

Similar participant headcount

Nearest other-state filings by covered participants (2,146 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did The Retirementplus Retirement Plan for Employees of Mount Auburn assets move in 2022? ▼
The Retirementplus Retirement Plan for Employees of Mount Auburn grew at a solid clip - up 9.9% during 2022, from $459M to $505M. Reported net income was $46M.
Where does The Retirementplus Retirement Plan for Employees of Mount Auburn rank by assets among Form 5500 filers? ▼
The Retirementplus Retirement Plan for Employees of Mount Auburn ranks in the 98th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which Other plans are similar in size to The Retirementplus Retirement Plan for Employees of Mount Auburn? ▼
Among Other plans in other states, the closest by assets is St. Luke's Health Network 403(b) Plan in PA ($503M, 17,079 participants).
Which Other plans cover a similar participant headcount to The Retirementplus Retirement Plan for Employees of Mount Auburn? ▼
Among Other plans in other states, the closest by covered participants is Mid-South Iron Workers Direct Contribution Fund in TX (2,144 participants, $18M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 042103606.

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.