401(k) · DOL Form 5500 · 2024

Icon Clinical Research, LLC 401(k) Plan

Data updated 2026-08-25

$1.6B
Total assets Very large vs avg
12,588
Participants Very large workforce
99th
Percentile by assets National rank
$128,126
Avg per participant Near avg balance/head
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Official DOL plan name: Icon Clinical Research, LLC 401(k) Plan · Sponsored by Icon Clinical Research, LLC · Pennsylvania · Professional & Technical Services

$1.6B in assets, 12,588 participants

Icon Clinical Research, LLC's Icon Clinical Research, LLC 401(k) Plan reported $1.6B in total assets and 12,588 participants in its 2024 DOL Form 5500 filing, ranking in the 99th 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.

  • #20,049 in Professional & Technical Services (20,173 peers)

Coverage in Pennsylvania

Icon Clinical Research, LLC 401(k) Plan covers 12,588 participants in Pennsylvania, 15x the typical Pennsylvania plan (state average ~822 per filing). Assets: $1.6B.

#20,049
in Professional & Technical Services (20,173 peers)
+13.7%
assets growth YoY
16×
vs typical plan assets (national mean)

Icon Clinical Research, LLC 401(k) Plan's outsized position by total assets

Icon Clinical Research, LLC 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$1,612,850,407 Top 1% higher than 99% of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Icon Clinical Research, LLC 401(k) Plan's mega-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Icon Clinical Research, LLC 401(k) Plan is a mega filing (12,588 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Icon Clinical Research, LLC 401(k) Plan reported participants rose from 5,641 in the plan year 2023 filing to 12,588 in the plan year 2024 filing.
  • Icon Clinical Research, LLC 401(k) Plan reported net income fell from $235M in the plan year 2023 filing to $194M in the plan year 2024 filing.
  • Icon Clinical Research, LLC 401(k) Plan end-of-year assets rose from $1.4B in the plan year 2023 filing to $1.6B in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 232689156 · Icon Clinical Research, LLC PY 2024 · 401(k)

Icon Clinical Research, LLC 401(k) Plan · $1.6B · 12,588 · 99th

  • 5500 $1.6B
  • ASSETS 12,588
  • PCT 99th
  • EIN 401(k)
  • RANK near Club Futuresave Plan
  • PHOTO ind #20049

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Professional & Technical Services retirement plans → · Plans in Pennsylvania →

Icon Clinical Research, LLC 401(k) Plan in the asset neighbourhood

Icon Clinical Research, LLC 401(k) PlanIcon Clinical Research, LLC …$1.6BClub Futuresave Plan$1.6BConstellation Software (U.S.a.) Inc. Retirement Savings PlanConstellation Software (U.S.…$1.6BAtrius 401(k) Retirement Savings PlanAtrius 401(k) Retirement Sav…$1.6BMicrochip Technology Incorporated Savings PlanMicrochip Technology Incorpo…$1.6B
End-of-year total assets ($B) among Icon Clinical Research, LLC 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Pennsylvania filing particulars

Total Assets (Beginning of Year)$1.4B
Net Assets (End of Year)$1.6B
Net Income$194M
Employer EIN232689156
Plan Effective Date1994-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Icon Clinical Research, LLC)

Sponsor-wide plan assets over time

All Icon Clinical Research, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$1.6B 180.94989531929912% vs 2022
2024 filing year
$0B$0.5B$1B$1.5B$2B 202220232024 $0.57B $1.61B ▲ +182.5%
Year Plans Participants Total Assets
2022 1 5,561 $574M
2023 1 5,641 $1.4B
2024 1 12,588 $1.6B

Nearby 401(k) Plans in Pennsylvania

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

Icon Clinical Research, LLC 401(k) Plan vs. nearby 401(k) plans in Pennsylvania, assets vs. participants Scatter plot of 6 data points. 020000400006000080000100000 0510152025 Total assets ($B) Participants Icon Clinical Research, LLC 401(k) Plan, Total assets ($B): 1.612850407 · Participants: 12588Icon Clinical Research, LLC 401(k) PlanComcast Corporation Retirement - Investment Plan, Total assets ($B): 19.687957793 · Participants: 90495Comcast Corporation Retirement - Investment PlanThe Cigna Group 401(k) Plan, Total assets ($B): 14.20308608 · Participants: 63634The Cigna Group 401(k) PlanThe Vanguard Retirement and Savings Plan, Total assets ($B): 11.084818612 · Participants: 18066The Vanguard Retirement and Savings PlanThermo Fisher Scientific Inc. 401(k) Retirement Plan, Total assets ($B): 10.263366209 · Participants: 36150Thermo Fisher Scientific Inc. 401(k) Retirement PlanThe PNC Financial Services Group, Inc. Incentive Savings Plan, Total assets ($B): 10.189629 · Participants: 54604The PNC Financial Services Group, Inc. Incentive Savings Plan
Icon Clinical Research, LLC 401(k) Plan vs. nearby 401(k) plans in Pennsylvania, assets vs. participants

Scale composition for Icon Clinical Research, LLC 401(k) Plan

Icon Clinical Research, LLC 401(k) Plan reports $1.6B in end-of-year assets across 12,588 participants (0.013% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.013% of 93,925,755 covered participants) - about $128,126 per participant (93% of the national average assets-per-participant) . Net income for plan year 2024 was $194M.

This plan identity (EIN 232689156, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $574M to $1.6B (+180.9%) while covered participants moved from 5,561 to 12,588 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 5,561 $574M Open filing
2023 5,641 $1.4B Open filing
2024 · index core 12,588 $1.6B This page

Icon Clinical Research, LLC 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Pennsylvania, the nearest 401(k) by assets is Club Futuresave Plan in CA ($1.6B); by covered participants it is Firstenergy Corp. Savings Plan in OH (12,582 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($1.6B here).

Similar participant headcount

Nearest other-state filings by covered participants (12,588 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Icon Clinical Research, LLC 401(k) Plan assets move in 2024?
Icon Clinical Research, LLC 401(k) Plan grew at a solid clip - up 13.7% during 2024, from $1.4B to $1.6B. Reported net income was $194M.
How have Icon Clinical Research, LLC plan assets changed over time?
Across 3 plan years on file (2022-2024), Icon Clinical Research, LLC's sponsor-wide assets grew 180.9%, from $574M to $1.6B.
Where does Icon Clinical Research, LLC 401(k) Plan rank by assets among Form 5500 filers?
Icon Clinical Research, LLC 401(k) Plan ranks in the 99th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Icon Clinical Research, LLC 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Club Futuresave Plan in CA ($1.6B, 13,605 participants).
Which 401(k) plans cover a similar participant headcount to Icon Clinical Research, LLC 401(k) Plan?
Among 401(k) plans in other states, the closest by covered participants is Firstenergy Corp. Savings Plan in OH (12,582 participants, $3.9B in assets).