Defined Benefit (Pension) · DOL Form 5500 · 2023

Massachusetts Institute of Technology Pension Plan

Data updated 2026-08-25

$5.4B
Total assets Very large vs avg
11,888
Participants Very large workforce
100th
Percentile by assets National rank
$452,694
Avg per participant High balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Massachusetts Institute of Technology Basic Retirement Plan · Sponsored by Massachusetts Institute of Technology · Massachusetts · Educational Services

$5.4B in assets, 11,888 participants

Massachusetts Institute of Technology's Massachusetts Institute of Technology Basic Retirement Plan reported $5.4B in total assets and 11,888 participants in its 2023 DOL Form 5500 filing, ranking in the 100th 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.

  • #3,727 in Educational Services (3,735 peers)

Coverage in Massachusetts

Massachusetts Institute of Technology Basic Retirement Plan covers 11,888 participants in Massachusetts, 18x the typical Massachusetts plan (state average ~659 per filing). Assets: $5.4B.

#3,727
in Educational Services (3,735 peers)
+1.9%
assets growth YoY
54×
vs typical plan assets (national mean)

Massachusetts Institute of Technology Basic Retirement Plan's outsized position by total assets

Massachusetts Institute of Technology Basic Retirement Plan vs every filed plan by assets

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

$5,381,626,447 Highest reported value at or above every one 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

Massachusetts Institute of Technology Basic Retirement Plan's mega-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Massachusetts Institute of Technology Basic Retirement Plan is a mega filing (11,888 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Massachusetts Institute of Technology Basic Retirement Plan reported net income rose from -$1.2B in the plan year 2022 filing to $45M in the plan year 2023 filing.
  • Massachusetts Institute of Technology Basic Retirement Plan end-of-year assets rose from $5.3B in the plan year 2022 filing to $5.4B in the plan year 2023 filing.
  • Massachusetts Institute of Technology Basic Retirement Plan reported participants rose from 11,835 in the plan year 2022 filing to 11,888 in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 042103594 · Massachusetts Institute of Technology PY 2023 · Defined Benefit (Pension)

Massachusetts Institute of Technology Basic Retirement Plan · $5.4B · 11,888 · 100th

  • EBSA $5.4B
  • EBSA 11,888
  • EBSA 100th
  • EBSA Defined Benefit (Pension)
  • EBSA near Retirement Plan for Employees of Aetna Inc.
  • EBSA ind #3727

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 →

Massachusetts Institute of Technology Basic Retirement Plan in the asset neighbourhood

Retirement Plan for Employees of Aetna Inc.Retirement Plan for Employee…$5.4BMassachusetts Institute of Technology Basic Retirement PlanMassachusetts Institute of T…$5.4BConstellation Retirement ProgramConstellation Retirement Pro…$5.3BMotion Picture Industry Pension PlanMotion Picture Industry Pens…$5.3BU. S. Retirement Plan$5.3B
End-of-year total assets ($B) among Massachusetts Institute of Technology Basic Retirement Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

Massachusetts filing particulars

Total Assets (Beginning of Year)$5.3B
Net Assets (End of Year)$5.3B
Net Income$45M
Employer EIN042103594
Plan Effective Date1926-09-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Massachusetts Institute of Technology)

Sponsor-wide plan assets over time

All Massachusetts Institute of Technology plans reported in each filing year

Latest sponsor-wide plan assets
$13.6B 22.695725557542403% vs 2022
2024 filing year
$10B$11B$12B$13B$14B 202220232024 $11.1B $13.6B ▲ +22.7%
Year Plans Participants Total Assets
2022 2 25,525 $11.1B
2023 2 25,982 $12.2B
2024 2 27,295 $13.6B

Nearby Defined Benefit (Pension) Plans in Massachusetts

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Massachusetts Institute of Technology Basic Retirement Plan vs. nearby Defined Benefit (Pension) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. 020000400006000080000 24681012 Total assets ($B) Participants Massachusetts Institute of Technology Basic Retirement Plan, Total assets ($B): 5.381626447 · Participants: 11888Massachusetts Institute of Technology Basic Retirement PlanConsolidated Cash Balance Program of Mass General Brigham and Member Organizations, Total assets ($B): 10.325856564 · Participants: 58745Consolidated Cash Balance Program of Mass General Brigham and Member OrganizationsNew England Teamsters Pension Fund, Total assets ($B): 9.092299586 · Participants: 21786New England Teamsters Pension FundLiberty Mutual Retirement Benefit Plan, Total assets ($B): 6.892259637 · Participants: 37145Liberty Mutual Retirement Benefit PlanN. Atlantic States Carp. Pension Fund, Total assets ($B): 4.973349354 · Participants: 17166N. Atlantic States Carp. Pension FundN. Atlantic States Carp. Guaranteed Annuity Fund, Total assets ($B): 3.738127229 · Participants: 10911N. Atlantic States Carp. Guaranteed Annuity Fund
Massachusetts Institute of Technology Basic Retirement Plan vs. nearby Defined Benefit (Pension) plans in Massachusetts, assets vs. participants
Compare Massachusetts Institute of Technology Basic Retirement Plan side-by-side with 3 peers →

Scale composition for Massachusetts Institute of Technology Basic Retirement Plan

Massachusetts Institute of Technology Basic Retirement Plan reports $5.4B in end-of-year assets across 11,888 participants (0.044% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.013% of 93,925,755 covered participants) - about $452,694 per participant (3.3x the national average assets-per-participant) . Net income for plan year 2023 was $45M.

This plan identity (EIN 042103594, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $5.3B to $5.9B (+11.5%) while covered participants moved from 11,835 to 12,533 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 11,835 $5.3B Open filing
2023 11,888 $5.4B This page
2024 · index core 12,533 $5.9B Open filing

The same sponsor also keeps 2 other index-core plans on PlainRetire:

Massachusetts Institute of Technology Basic Retirement Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Massachusetts, the nearest Defined Benefit (Pension) by assets is Retirement Plan for Employees of Aetna Inc. in CT ($5.4B); by covered participants it is Nylic Retirement Plan in NY (11,867 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($5.4B here).

Similar participant headcount

Nearest other-state filings by covered participants (11,888 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 Massachusetts Institute of Technology Basic Retirement Plan assets move in 2023? ▼
Massachusetts Institute of Technology Basic Retirement Plan edged up modestly - up 1.9% during 2023, from $5.3B to $5.4B. Reported net income was $45M.
How have Massachusetts Institute of Technology plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Massachusetts Institute of Technology's sponsor-wide assets grew 22.7%, from $11.1B to $13.6B.
Where does Massachusetts Institute of Technology Basic Retirement Plan rank by assets among Form 5500 filers? ▼
Massachusetts Institute of Technology Basic Retirement Plan ranks in the 100th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (among the largest 1% of all filed plans).
Which Defined Benefit (Pension) plans are similar in size to Massachusetts Institute of Technology Basic Retirement Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Retirement Plan for Employees of Aetna Inc. in CT ($5.4B, 10,546 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Massachusetts Institute of Technology Basic Retirement Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Nylic Retirement Plan in NY (11,867 participants, $3.2B in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 042103594.

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.