Other · DOL Form 5500 · 2023

Woods Hole Oceanographic Institution Retirement Plan

Data updated 2026-07-24

$230M
Total assets
1,343
Participants
95th
Percentile by assets
$170,949
Avg per participant

Official DOL plan name: Woods Hole Oceanographic Institution Defined Contribution Retirement Plan · Sponsored by Woods Hole Oceanographic Institution · Massachusetts · Professional & Technical Services

$230M in assets, 1,343 participants

Woods Hole Oceanographic Institution's Woods Hole Oceanographic Institution Defined Contribution Retirement Plan reported $230M in total assets and 1,343 participants in its 2023 DOL Form 5500 filing, ranking in the 95th 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.

  • 95th percentile by assets (of 126,618 plans)

What the 2023 filing shows

Woods Hole Oceanographic Institution Defined Contribution Retirement Plan holds $230M for 1,343 participants - about $170,949 per participant, in the top 5% of all filed plans by assets, up 17.1% over the 2023 plan year.

$230M
total plan assets (2023 EOY)
1,343
covered participants
95th
percentile by assets (of 126,618 plans)
$170,949
avg assets per participant
Industry
Professional & Technical Services

Other · DOL Form 5500 · 2023

What the Filing Says About Woods Hole Oceanographic Institution Defined Contribution Retirement Plan

Woods Hole Oceanographic Institution Defined Contribution Retirement Plan is an Other retirement plan sponsored by Woods Hole Oceanographic Institution, headquartered in Massachusetts. According to the U.S. Department of Labor's 2023 Form 5500 filing, the plan reports $230M in total end-of-year assets and covers 1,343 participants across the Professional & Technical Services industry. The sponsor's EIN on file with the U.S. Department of Labor is 042105850, and the plan has been effective since 2010-01-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets grew sharply from $196M at the beginning of 2023 to $230M at year-end - up 17.1%. Net assets (after liabilities) closed the year at $230M, with reported net income of $33M 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 Woods Hole Oceanographic Institution has on file with PlainRetire (2022-2024), sponsor-wide plan assets have moved from $373M to $462M, a gain of 23.8%, while reported participants moved from 1,581 to 1,670 (+5.6%). The strongest year on file by total sponsor assets was 2024 at $462M; the softest was 2022 at $373M. Year-by-year, sponsor-wide filings show: 2022 - $373M in assets across 2 plans covering 1,581 participants; 2023 - $416M in assets across 2 plans covering 1,643 participants; 2024 - $462M in assets across 2 plans covering 1,670 participants.

By assets, Woods Hole Oceanographic Institution Defined Contribution Retirement Plan outranks 95% of the 126,618 plans that filed a Form 5500 for the 2023 plan year, and holds roughly 2.3x 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 Woods Hole Oceanographic Institution Defined Contribution Retirement Plan 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)$196M
Total Assets (End of Year)$230M
Net Assets (End of Year)$230M
Net Income$33M
Plan TypeOther
Employer EIN042105850
Plan Effective Date2010-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Woods Hole Oceanographic Institution)

$350M$400M$450M$500M 202220232024 $373M $462M ▲ +23.8%
Total plan assets by year, all Woods Hole Oceanographic Institution 401(k) plans on file
Year Plans Participants Total Assets
2022 2 1,581 $373M
2023 2 1,643 $416M
2024 2 1,670 $462M

Nearby Other Plans in Massachusetts

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

Woods Hole Oceanographic Institution Defined Contribution Retirement Plan vs. nearby Other plans in Massachusetts, assets vs. participants

Woods Hole Oceanographic Institution Defined Contribution Retirement Plan vs. nearby Other plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. 0500010000150002000025000 012345 Total assets ($B) Participants Woods Hole Oceanogra…The Mitre Corporatio…Harvard University T…Boston University Re…Beth Israel Deacones…Northeastern Univers…
Woods Hole Oceanographic Institution Defined Contribution Retirement Plan vs. nearby Other plans in Massachusetts, assets vs. participants

Similar-Sized Other Plans Nationally

Other plans in other states closest to Woods Hole Oceanographic Institution Defined Contribution Retirement Plan by total assets, not by location.

Frequently Asked Questions

How much money is in the Woods Hole Oceanographic Institution Defined Contribution Retirement Plan?
As of the 2023 Form 5500 filing, Woods Hole Oceanographic Institution Defined Contribution Retirement Plan holds $230M in total assets with 1,343 participants. It is sponsored by Woods Hole Oceanographic Institution.
What type of plan is Woods Hole Oceanographic Institution Defined Contribution Retirement Plan?
Woods Hole Oceanographic Institution Defined Contribution Retirement Plan is an Other plan. It has been effective since 2010-01-01. The plan is filed with the U.S. Department of Labor under EIN 042105850.
Who sponsors the Woods Hole Oceanographic Institution Defined Contribution Retirement Plan?
Woods Hole Oceanographic Institution Defined Contribution Retirement Plan is sponsored by Woods Hole Oceanographic Institution, located in Massachusetts. The sponsor's EIN is 042105850 and the plan operates in the Professional & Technical Services industry.
How did Woods Hole Oceanographic Institution Defined Contribution Retirement Plan perform in 2023?
Woods Hole Oceanographic Institution Defined Contribution Retirement Plan grew sharply - up 17.1% during 2023, moving from $196M to $230M in total assets. Net income was $33M.

What this filing means

Ways to act on Woods Hole Oceanographic Institution Defined Contribution Retirement Plan's numbers.

  • By total assets, Woods Hole Oceanographic Institution Defined Contribution Retirement Plan ranks in the top 5% of all filed plans by assets. See the largest plans
  • Compare it side-by-side against 3 similar Other plans in Massachusetts. Compare plans
  • Woods Hole Oceanographic Institution's sponsor-wide assets have grown 23.8% since 2022 across 3 plan years on file. More Professional & Technical Services plans
  • An Other plan works differently from other retirement plan types, understand the structural differences before comparing. Compare plan types

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 042105850.

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.