401(k) · DOL Form 5500 · 2024

Jsi Research & Training Institute, Inc. 401(k) Plan

Data updated 2026-08-11

$238M
Total assets: 837
Participants: 95th
Percentile by assets: $284,500
Avg per participant

Official DOL plan name: Jsi Research & Training Institute, Inc. 401(k) Plan · Sponsored by Jsi Research & Training Institute, Inc. · Massachusetts · Professional & Technical Services

$238M in assets, 837 participants

Jsi Research & Training Institute, Inc.'s Jsi Research & Training Institute, Inc. 401(k) Plan reported $238M in total assets and 837 participants in its 2024 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 123,622 plans)
#19,387 in Professional & Technical Services (20,173 peers)

Where Jsi Research & Training Institute, Inc. 401(k) Plan sits by assets

Jsi Research & Training Institute, Inc. 401(k) Plan sits in the top 5% of all filed plans by assets, $238M for 837 participants (~$284,500/participant), up 16.6% in 2024.

$238M
total plan assets (2024 EOY): 837
covered participants: 95th
percentile by assets (of 123,622 plans): $284,500
avg assets per participant

Jsi Research & Training Institute, Inc. 401(k) Plan end-of-year assets rose from $204M in the plan year 2023 filing to $238M in the plan year 2024 filing.
Jsi Research & Training Institute, Inc. 401(k) Plan reported net income rose from $23M in the plan year 2023 filing to $26M in the plan year 2024 filing.
Jsi Research & Training Institute, Inc. 401(k) Plan reported participants rose from 794 in the plan year 2023 filing to 837 in the plan year 2024 filing.

See the national 2023→2024 release diff →

State

Massachusetts

Industry

Professional & Technical Services

Jsi Research & Training Institute, Inc. 401(k) Plan vs the 2024 asset distribution

By assets, Jsi Research & Training Institute, Inc. 401(k) Plan outranks 95% of the 123,622 plans that filed a Form 5500 for the 2024 plan year, and holds roughly 2.4x the national average plan size of $100M (721 average participants).

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)	$204M
Net Assets (End of Year)	$238M
Net Income	$26M
Employer EIN	042679824
Plan Effective Date	2005-01-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Jsi Research & Training Institute, Inc.)

Total plan assets by year, all Jsi Research & Training Institute, Inc. plans on file

Year	Plans	Participants	Total Assets
2023	1	794	$204M
2024	1	837	$238M

Nearby 401(k) Plans in Massachusetts

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

Jsi Research & Training Institute, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Fidelity Retirement Savings Plan $34.2B · 66,907
Liberty Mutual 401(k) Plan $11.4B · 34,618
Massachusetts Institute of Technology Supplemental 401(k) Plan $7.7B · 14,762
Boston Scientific Corporation 401(k) Retirement Savings Plan $6.8B · 20,639
State Street Salary Savings Program $6.5B · 12,777

Compare Jsi Research & Training Institute, Inc. … side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Jsi Research & Training Institute, Inc. 401(k) Plan by total assets, not by location.

Wesbanco, Inc. 401(k) Plan (WV) $238M · 2,598
Sew-Eurodrive, Inc. Profit Sharing/401(k) Retirement Plan (SC) $238M · 1,050
U.S. Oral Surgery Management, LLC Retirement Plan (TX) $238M · 1,971
Scientific Games, LLC 401(k) Plan (GA) $238M · 1,827

Frequently Asked Questions

How did Jsi Research & Training Institute, Inc. 401(k) Plan assets move in 2024? ▼

Jsi Research & Training Institute, Inc. 401(k) Plan grew sharply - up 16.6% during 2024, from $204M to $238M. Reported net income was $26M.

How have Jsi Research & Training Institute, Inc. plan assets changed over time? ▼

Across 2 plan years on file (2023-2024), Jsi Research & Training Institute, Inc.'s sponsor-wide assets grew 16.6%, from $204M to $238M.

Where does Jsi Research & Training Institute, Inc. 401(k) Plan rank by assets among Form 5500 filers? ▼

Jsi Research & Training Institute, Inc. 401(k) Plan ranks in the 95th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).

Which 401(k) plans are similar in size to Jsi Research & Training Institute, Inc. 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by assets is Wesbanco, Inc. 401(k) Plan in WV ($238M, 2,598 participants).

Next read for Jsi Research & Training Institute, Inc. …

Scale reading

Ways to act on Jsi Research & Training Institute, Inc. 401(k) Plan's numbers.

By total assets, Jsi Research & Training Institute, Inc. 401(k) Plan ranks in the top 5% of all filed plans by assets. See the largest plans
Compare it side-by-side against 3 similar 401(k) plans in Massachusetts. Compare plans
Jsi Research & Training Institute, Inc.'s sponsor-wide assets have grown 16.6% since 2023 across 2 plan years on file. More Professional & Technical Services plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 042679824.