401(k) · DOL Form 5500 · 2024

Beth Israel Lahey Health 401(k) Plan

Data updated 2026-08-06

$1.6B
Total assets
15,190
Participants
99th
Percentile by assets
$105,384
Avg per participant
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Official DOL plan name: Beth Israel Lahey Health 401(k) Retirement Savings Plan · Sponsored by Beth Israel Lahey Health · Massachusetts · Healthcare & Social Assistance

$1.6B in assets, 15,190 participants

Beth Israel Lahey Health's Beth Israel Lahey Health 401(k) Retirement Savings Plan reported $1.6B in total assets and 15,190 participants in its 2024 DOL Form 5500 filing, ranking in the 99th 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.

  • 99th percentile by assets (of 116,472 plans)
  • #15,475 in Healthcare & Social Assistance (15,613 peers)

Coverage in Massachusetts

Beth Israel Lahey Health 401(k) Retirement Savings Plan covers 15,190 participants in Massachusetts, 24x the typical Massachusetts plan (state average ~641 per filing). Assets: $1.6B.

$1.6B
total plan assets (2024 EOY)
15,190
covered participants
99th
percentile by assets (of 116,472 plans)
$105,384
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Beth Israel Lahey Health 401(k) Retirement Savings Plan reported net income fell from $207M in the plan year 2023 filing to $126M in the plan year 2024 filing.
  • Beth Israel Lahey Health 401(k) Retirement Savings Plan end-of-year assets rose from $1.4B in the plan year 2023 filing to $1.6B in the plan year 2024 filing.
  • Beth Israel Lahey Health 401(k) Retirement Savings Plan reported participants rose from 13,896 in the plan year 2023 filing to 15,190 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Participants vs Massachusetts filers

In Massachusetts, the average filing covers about 641 participants across 3,941 plans. Beth Israel Lahey Health 401(k) Retirement Savings Plan reports 15,190 participants - 24x that state average ($1.6B EOY assets).

Massachusetts filing particulars

Total Assets (Beginning of Year)$1.4B
Net Assets (End of Year)$1.6B
Net Income$126M
Employer EIN042103881
Plan Effective Date1985-02-03
Filing StatusFILING RECEIVED

Sponsor Plan History (Beth Israel Lahey Health)

$0B$2B$4B$6B 202220232024 $1.51B $5.11B ▲ +238.4%
Total plan assets by year, all Beth Israel Lahey Health plans on file
Year Plans Participants Total Assets
2022 2 26,549 $1.5B
2023 2 27,877 $3.8B
2024 2 48,781 $5.1B

Nearby 401(k) Plans in Massachusetts

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

Beth Israel Lahey Health 401(k) Retirement Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Beth Israel Lahey Health 401(k) Retirement Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. 020000400006000080000 -10010203040 Total assets ($B) Participants Beth Israel Lahey He…Fidelity Retirement …Liberty Mutual 401(k…Massachusetts Instit…Boston Scientific Co…State Street Salary …
Beth Israel Lahey Health 401(k) Retirement Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Scale composition for Beth Israel Lahey Health 401(k) Retirement Savings Plan

Beth Israel Lahey Health 401(k) Retirement Savings Plan reports $1.6B in end-of-year assets across 15,190 participants (0.014% of the $11.6T held by all Form 5500 filers in the national rollup , and 0.017% of 89,805,449 covered participants) - about $105,384 per participant (77% of the national average assets-per-participant) . Net income for plan year 2024 was $126M.

This plan identity (EIN 042103881, plan #004) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.2B to $1.6B (+34.0%) while covered participants moved from 13,232 to 15,190 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 13,232 $1.2B Open filing
2023 13,896 $1.4B Open filing
2024 · index core 15,190 $1.6B This page

The same sponsor also keeps 1 other index-core plan on PlainRetire:

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Beth Israel Lahey Health 401(k) Retirement Savings Plan by total assets, not by location.

Frequently Asked Questions

How did Beth Israel Lahey Health 401(k) Retirement Savings Plan assets move in 2024?
Beth Israel Lahey Health 401(k) Retirement Savings Plan grew at a solid clip - up 14.0% during 2024, from $1.4B to $1.6B. Reported net income was $126M.
How have Beth Israel Lahey Health plan assets changed over time?
Across 3 plan years on file (2022-2024), Beth Israel Lahey Health's sponsor-wide assets grew 238.6%, from $1.5B to $5.1B.
Where does Beth Israel Lahey Health 401(k) Retirement Savings Plan rank by assets among Form 5500 filers?
Beth Israel Lahey Health 401(k) Retirement Savings Plan ranks in the 99th percentile by end-of-year assets among 116,472 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Beth Israel Lahey Health 401(k) Retirement Savings Plan?
Among 401(k) plans in other states, the closest by assets is Volkswagen Group of America, Inc. Defined Contribution and Savings Plan in VA ($1.6B, 9,077 participants).

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Filing takeaways

Ways to act on Beth Israel Lahey Health 401(k) Retirement Savings Plan's numbers.