401(k) · DOL Form 5500 · 2023

Cornerstone Research, Inc. 401(k) Plan

Data updated 2026-08-11

$288M
Total assets: 774
Participants: 96th
Percentile by assets: $372,722
Avg per participant

Official DOL plan name: Cornerstone Research 401(k) and Profit Sharing Plan · Sponsored by Cornerstone Research, Inc. · Massachusetts · Professional & Technical Services

$288M in assets, 774 participants

Cornerstone Research, Inc.'s Cornerstone Research 401(k) and Profit Sharing Plan reported $288M in total assets and 774 participants in its 2023 DOL Form 5500 filing, ranking in the 96th 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.

96th percentile by assets (of 127,072 plans)
#19,729 in Professional & Technical Services (20,321 peers)

Where Cornerstone Research 401(k) and Profit Sharing Plan sits by assets

Cornerstone Research 401(k) and Profit Sharing Plan sits in the top 5% of all filed plans by assets, $288M for 774 participants (~$372,722/participant), up 19.3% in 2023.

$288M
total plan assets (2023 EOY): 774
covered participants: 96th
percentile by assets (of 127,072 plans): $372,722
avg assets per participant

Cornerstone Research 401(k) and Profit Sharing Plan reported net income rose from -$39M in the plan year 2022 filing to $47M in the plan year 2023 filing.
Cornerstone Research 401(k) and Profit Sharing Plan end-of-year assets rose from $242M in the plan year 2022 filing to $288M in the plan year 2023 filing.
Cornerstone Research 401(k) and Profit Sharing Plan reported participants rose from 707 in the plan year 2022 filing to 774 in the plan year 2023 filing.

See the national 2022→2023 release diff →

State

Massachusetts

Industry

Professional & Technical Services

Cornerstone Research 401(k) and Profit Sharing Plan vs the 2023 asset distribution

By assets, Cornerstone Research 401(k) and Profit Sharing Plan outranks 96% of the 127,072 plans that filed a Form 5500 for the 2023 plan year, and holds roughly 2.9x the national average plan size of $100M (721 average participants).

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)	$242M
Net Assets (End of Year)	$288M
Net Income	$47M
Employer EIN	943092543
Plan Effective Date	1990-01-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Cornerstone Research, Inc.)

Total plan assets by year, all Cornerstone Research, Inc. plans on file

Year	Plans	Participants	Total Assets
2022	1	707	$242M
2023	1	774	$288M
2024	1	900	$346M

Nearby 401(k) Plans in Massachusetts

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

Cornerstone Research 401(k) and Profit Sharing Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Fidelity Retirement Savings Plan $28.6B · 62,289
Liberty Mutual 401(k) Plan $10.6B · 37,052
Massachusetts Institute of Technology Supplemental 401(k) Plan $6.8B · 14,094
Boston Scientific Corporation 401(k) Retirement Savings Plan $5.8B · 19,881
Philips North America 401(k) Plan $5.8B · 19,120

Compare Cornerstone Research 401(k) and Profit S… side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Cornerstone Research 401(k) and Profit Sharing Plan by total assets, not by location.

J.Crew Group, LLC. 401(k) Savings Plan (NY) $289M · 9,946
Americold Logistics Employee Savings and Investment Plan (GA) $288M · 10,631
Bon Secours Mercy Health Retirement Savings Plan 401 (OH) $288M · 4,288
Zendesk, Inc. 401(k) Plan (CA) $288M · 2,796

Frequently Asked Questions

How did Cornerstone Research 401(k) and Profit Sharing Plan assets move in 2023? ▼

Cornerstone Research 401(k) and Profit Sharing Plan grew sharply - up 19.3% during 2023, from $242M to $288M. Reported net income was $47M.

How have Cornerstone Research, Inc. plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Cornerstone Research, Inc.'s sponsor-wide assets grew 43.3%, from $242M to $346M.

Where does Cornerstone Research 401(k) and Profit Sharing Plan rank by assets among Form 5500 filers? ▼

Cornerstone Research 401(k) and Profit Sharing Plan ranks in the 96th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).

Which 401(k) plans are similar in size to Cornerstone Research 401(k) and Profit Sharing Plan? ▼

Among 401(k) plans in other states, the closest by assets is J.Crew Group, LLC. 401(k) Savings Plan in NY ($289M, 9,946 participants).

Next read for Cornerstone Research 401(k) and Profit S…

Scale reading

Ways to act on Cornerstone Research 401(k) and Profit Sharing Plan's numbers.

By total assets, Cornerstone Research 401(k) and Profit Sharing 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
Cornerstone Research, Inc.'s sponsor-wide assets have grown 43.3% since 2022 across 3 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 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 943092543.