Money Purchase · DOL Form 5500 · 2023

Marshfield Clinic, Inc. Money Purchase Plan

Data updated 2026-07-24

$1.3B
Total assets
9,068
Participants
99th
Percentile by assets
$146,352
Avg per participant

Official DOL plan name: Employees Retirement Plan of Marshfield Clinic · Sponsored by Marshfield Clinic, Inc. · Wisconsin · Healthcare & Social Assistance

$1.3B in assets, 9,068 participants

Marshfield Clinic, Inc.'s Employees Retirement Plan of Marshfield Clinic reported $1.3B in total assets and 9,068 participants in its 2023 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 126,618 plans)

What the 2023 filing shows

Employees Retirement Plan of Marshfield Clinic holds $1.3B for 9,068 participants - about $146,352 per participant, among the largest 1% of all filed plans, down 0.1% over the 2023 plan year.

$1.3B
total plan assets (2023 EOY)
9,068
covered participants
99th
percentile by assets (of 126,618 plans)
$146,352
avg assets per participant

The plan reported a net loss of $984K for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

State
Industry
Healthcare & Social Assistance

Money Purchase · DOL Form 5500 · 2023

What the Filing Says About Employees Retirement Plan of Marshfield Clinic

Employees Retirement Plan of Marshfield Clinic is a Money Purchase retirement plan sponsored by Marshfield Clinic, Inc., headquartered in Wisconsin. According to the U.S. Department of Labor's 2023 Form 5500 filing, the plan reports $1.3B in total end-of-year assets and covers 9,068 participants across the Healthcare & Social Assistance industry. The sponsor's EIN on file with the U.S. Department of Labor is 390452970, and the plan has been effective since 1944-01-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets held essentially flat from $1.3B at the beginning of 2023 to $1.3B at year-end - down 0.1%. Net assets (after liabilities) closed the year at $1.3B, with reported net income of -$984K driven by investment returns, contributions received, and benefit payments during the period. These figures reflect what the plan administrator certified on Schedule H or Schedule I of the Form 5500 annual return and can be compared against 2 prior plan-year filings from the same sponsor shown below.

Across the 3 plan years Marshfield Clinic, Inc. has on file with PlainRetire (2022-2024), sponsor-wide plan assets have moved from $2.9B to $3.1B, a gain of 6.8%, while reported participants moved from 20,155 to 18,462 (-8.4%). The strongest year on file by total sponsor assets was 2024 at $3.1B; the softest was 2022 at $2.9B. Year-by-year, sponsor-wide filings show: 2022 - $2.9B in assets across 2 plans covering 20,155 participants; 2023 - $3.0B in assets across 2 plans covering 20,855 participants; 2024 - $3.1B in assets across 2 plans covering 18,462 participants.

By assets, Employees Retirement Plan of Marshfield Clinic outranks 99% of the 126,618 plans that filed a Form 5500 for the 2023 plan year, and holds roughly 13x the national average plan size of $100M and 730 average participants.

Asset totals and participant counts reflect a single plan year snapshot and can change materially with market conditions, plan mergers, or workforce changes. Fields such as "net income" include both realized investment performance and contribution/distribution flows, a single-year figure does not by itself indicate plan health or participant outcomes. This page summarizes public DOL disclosures for research and educational purposes only and is not retirement, tax, legal, or financial advice. Before making decisions about your own retirement benefits or evaluating an employer's plan, verify the underlying filing directly via the DOL EFAST2 system and consult a qualified professional.

How the percentile is calculated: we count every plan that filed a 2023 Form 5500 with a reported end-of-year asset figure (126,618 plans), rank Employees Retirement Plan of Marshfield Clinic against all of them by total assets, and report the share of those plans it outranks. A plan reporting no asset figure for the year is excluded from the ranking rather than assumed to be zero.

Financial Summary (2023)

Total Assets (Beginning of Year)$1.3B
Total Assets (End of Year)$1.3B
Net Assets (End of Year)$1.3B
Net Income-$984K
Plan TypeMoney Purchase
Employer EIN390452970
Plan Effective Date1944-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Marshfield Clinic, Inc.)

$2.8B$2.9B$3B$3.1B 202220232024 $2.87B $3.06B ▲ +6.6%
Total plan assets by year, all Marshfield Clinic, Inc. 401(k) plans on file
Year Plans Participants Total Assets
2022 2 20,155 $2.9B
2023 2 20,855 $3.0B
2024 2 18,462 $3.1B

Nearby Money Purchase Plans in Wisconsin

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

Employees Retirement Plan of Marshfield Clinic vs. nearby Money Purchase plans in Wisconsin, assets vs. participants

Employees Retirement Plan of Marshfield Clinic vs. nearby Money Purchase plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. -5000050001000015000 00.511.5 Total assets ($B) Participants Employees Retirement…Telephone and Data S…North Central States…Aspirus, Inc. Frozen…Wisconsin Glaziers &…Atc Individual Accou…
Employees Retirement Plan of Marshfield Clinic vs. nearby Money Purchase plans in Wisconsin, assets vs. participants

Similar-Sized Money Purchase Plans Nationally

Money Purchase plans in other states closest to Employees Retirement Plan of Marshfield Clinic by total assets, not by location.

Frequently Asked Questions

How much money is in the Employees Retirement Plan of Marshfield Clinic?
As of the 2023 Form 5500 filing, Employees Retirement Plan of Marshfield Clinic holds $1.3B in total assets with 9,068 participants. It is sponsored by Marshfield Clinic, Inc..
What type of plan is Employees Retirement Plan of Marshfield Clinic?
Employees Retirement Plan of Marshfield Clinic is a Money Purchase plan. It has been effective since 1944-01-01. The plan is filed with the U.S. Department of Labor under EIN 390452970.
Who sponsors the Employees Retirement Plan of Marshfield Clinic?
Employees Retirement Plan of Marshfield Clinic is sponsored by Marshfield Clinic, Inc., located in Wisconsin. The sponsor's EIN is 390452970 and the plan operates in the Healthcare & Social Assistance industry.
How did Employees Retirement Plan of Marshfield Clinic perform in 2023?
Employees Retirement Plan of Marshfield Clinic held essentially flat - down 0.1% during 2023, moving from $1.3B to $1.3B in total assets. Net income was -$984K.

What this filing means

Ways to act on Employees Retirement Plan of Marshfield Clinic's numbers.

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 390452970.

Reference: IRS Publication 560, Retirement Plans for Small Business, contribution-limit rules.

Reference: IRS Publication 590-B, Distributions from IRAs, RMD rules under SECURE Act 2.0.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.

Every figure on PlainRetire is rendered directly from the Department of Labor's Form 5500 annual return filings, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-07-24.