Money Purchase · DOL Form 5500 · 2023

Defined Contribution Plan for the Employees of the American Institute of Physics

Data updated 2026-05-15

$131M
Total assets
230
Participants
93th
Percentile by assets
$570,075
Avg per participant

Sponsored by American Institute of Physics · Maryland · Professional & Technical Services

What the 2023 filing shows

Defined Contribution Plan for the Employees of the American Institute of Physics holds $131M for 230 participants - about $570,075 per participant, in the top 10% of all filed plans by assets, up 11.0% over the 2023 plan year.

$131M
total plan assets (2023 EOY)
230
covered participants
93th
percentile by assets (of 126,618 plans)
$570,075
avg assets per participant
State
Industry
Professional & Technical Services

Money Purchase · DOL Form 5500 · 2023

What the Filing Says About Defined Contribution Plan for the Employees of the American Institute of Physics

Defined Contribution Plan for the Employees of the American Institute of Physics is a Money Purchase retirement plan sponsored by American Institute of Physics, headquartered in Maryland. According to the U.S. Department of Labor's 2023 Form 5500 filing, the plan reports $131M in total end-of-year assets and covers 230 participants across the Professional & Technical Services industry. The sponsor's EIN on file with the U.S. Department of Labor is 131667053, and the plan has been effective since 1971-01-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets grew at a solid clip from $118M at the beginning of 2023 to $131M at year-end - up 11.0%. Net assets (after liabilities) closed the year at $131M, with reported net income of $13M 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 American Institute of Physics has on file with PlainRetire (2022-2024), sponsor-wide plan assets have moved from $180M to $217M, a gain of 20.4%, while reported participants moved from 528 to 442 (-16.3%). The strongest year on file by total sponsor assets was 2024 at $217M; the softest was 2022 at $180M. Year-by-year, sponsor-wide filings show: 2022 - $180M in assets across 2 plans covering 528 participants; 2023 - $202M in assets across 2 plans covering 451 participants; 2024 - $217M in assets across 2 plans covering 442 participants.

By assets, Defined Contribution Plan for the Employees of the American Institute of Physics outranks 93% of the 126,618 plans that filed a Form 5500 for the 2023 plan year, and holds roughly 1.3x 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 Defined Contribution Plan for the Employees of the American Institute of Physics 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)$118M
Total Assets (End of Year)$131M
Net Assets (End of Year)$131M
Net Income$13M
Plan TypeMoney Purchase
Employer EIN131667053
Plan Effective Date1971-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (American Institute of Physics)

Year Plans Participants Total Assets
2022 2 528 $180M
2023 2 451 $202M
2024 2 442 $217M

Nearby Money Purchase Plans in Maryland

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

Frequently Asked Questions

How much money is in the Defined Contribution Plan for the Employees of the American Institute of Physics?
As of the 2023 Form 5500 filing, Defined Contribution Plan for the Employees of the American Institute of Physics holds $131M in total assets with 230 participants. It is sponsored by American Institute of Physics.
What type of plan is Defined Contribution Plan for the Employees of the American Institute of Physics?
Defined Contribution Plan for the Employees of the American Institute of Physics is a Money Purchase plan. It has been effective since 1971-01-01. The plan is filed with the U.S. Department of Labor under EIN 131667053.
Who sponsors the Defined Contribution Plan for the Employees of the American Institute of Physics?
Defined Contribution Plan for the Employees of the American Institute of Physics is sponsored by American Institute of Physics, located in Maryland. The sponsor's EIN is 131667053 and the plan operates in the Professional & Technical Services industry.
How did Defined Contribution Plan for the Employees of the American Institute of Physics perform in 2023?
Defined Contribution Plan for the Employees of the American Institute of Physics grew at a solid clip - up 11.0% during 2023, moving from $118M to $131M in total assets. Net income was $13M.

What this filing means

Ways to act on Defined Contribution Plan for the Employees of the American Institute of Physics'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 131667053.

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 2026-05-15.