401(k) · DOL Form 5500 · 2024

Ion Trading, Inc. 401(k) Plan

Data updated 2026-08-11

$565M
Total assets
1,354
Participants
97th
Percentile by assets
$417,592
Avg per participant
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Official DOL plan name: Ion Group 401(k) Plan · Sponsored by Ion Trading, Inc. · New York · Professional & Technical Services

$565M in assets, 1,354 participants

Ion Trading, Inc.'s Ion Group 401(k) Plan reported $565M in total assets and 1,354 participants in its 2024 DOL Form 5500 filing, ranking in the 97th 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.

  • 97th percentile by assets (of 123,622 plans)
  • #19,815 in Professional & Technical Services (20,173 peers)

Where Ion Group 401(k) Plan sits by assets

Ion Group 401(k) Plan sits in the top 5% of all filed plans by assets, $565M for 1,354 participants (~$417,592/participant), up 10.3% in 2024.

$565M
total plan assets (2024 EOY)
1,354
covered participants
97th
percentile by assets (of 123,622 plans)
$417,592
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Ion Group 401(k) Plan reported net income fell from $72M in the plan year 2023 filing to $53M in the plan year 2024 filing.
  • Ion Group 401(k) Plan end-of-year assets rose from $512M in the plan year 2023 filing to $565M in the plan year 2024 filing.
  • Ion Group 401(k) Plan reported participants rose from 1,231 in the plan year 2023 filing to 1,354 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Ion Group 401(k) Plan vs the 2024 asset distribution

By assets, Ion Group 401(k) Plan outranks 97% of the 123,622 plans that filed a Form 5500 for the 2024 plan year, and holds roughly 5.7x the national average plan size of $100M (721 average participants).

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$512M
Net Assets (End of Year)$565M
Net Income$53M
Employer EIN363080374
Plan Effective Date2000-06-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Ion Trading, Inc.)

$400M$450M$500M$550M$600M 202220232024 $425M $565M ▲ +33.2%
Total plan assets by year, all Ion Trading, Inc. plans on file
Year Plans Participants Total Assets
2022 1 1,273 $425M
2023 1 1,231 $512M
2024 1 1,354 $565M

Nearby 401(k) Plans in New York

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

Ion Group 401(k) Plan vs. nearby 401(k) plans in New York, assets vs. participants

Ion Group 401(k) Plan vs. nearby 401(k) plans in New York, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -20020406080 Total assets ($B) Participants Ion Group 401(k) PlanIBM 401(k) PlanMorgan Stanley 401(k…Pfizer Savings PlanThe Pepsico Savings …The Goldman Sachs 40…
Ion Group 401(k) Plan vs. nearby 401(k) plans in New York, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Ion Group 401(k) Plan by total assets, not by location.

Frequently Asked Questions

How did Ion Group 401(k) Plan assets move in 2024?
Ion Group 401(k) Plan grew at a solid clip - up 10.3% during 2024, from $512M to $565M. Reported net income was $53M.
How have Ion Trading, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Ion Trading, Inc.'s sponsor-wide assets grew 33.2%, from $425M to $565M.
Where does Ion Group 401(k) Plan rank by assets among Form 5500 filers?
Ion Group 401(k) Plan ranks in the 97th 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 Ion Group 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Pacific Dental Services, LLC 401(k) Plan in CA ($565M, 13,344 participants).

Scale reading

Ways to act on Ion Group 401(k) Plan's numbers.