401(k) · DOL Form 5500 · 2024
Amphenol Corporation & Affiliated Companies 401(k) Plan
Data updated 2026-08-11
- $779M
- Total assets
- 5,339
- Participants
- 98th
- Percentile by assets
- $145,952
- Avg per participant
Official DOL plan name: Amphenol Corporation Employee Savings/401(k) Plan · Sponsored by Amphenol Corporation & Affiliated Companies · Connecticut · Manufacturing
$779M in assets, 5,339 participants
Amphenol Corporation & Affiliated Companies's Amphenol Corporation Employee Savings/401(k) Plan reported $779M in total assets and 5,339 participants in its 2024 DOL Form 5500 filing, ranking in the 98th 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.
- 98th percentile by assets (of 123,622 plans)
- #17,215 in Manufacturing (17,777 peers)
Coverage in Connecticut
Amphenol Corporation Employee Savings/401(k) Plan covers 5,339 participants in Connecticut, 7.4x the typical Connecticut plan (state average ~718 per filing). Assets: $779M.
- $779M
- total plan assets (2024 EOY)
- 5,339
- covered participants
- 98th
- percentile by assets (of 123,622 plans)
- $145,952
- avg assets per participant
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Amphenol Corporation Employee Savings/401(k) Plan end-of-year assets rose from $672M in the plan year 2023 filing to $779M in the plan year 2024 filing.
- Amphenol Corporation Employee Savings/401(k) Plan reported net income fell from $109M in the plan year 2023 filing to $107M in the plan year 2024 filing.
- Amphenol Corporation Employee Savings/401(k) Plan reported participants fell from 5,415 in the plan year 2023 filing to 5,339 in the plan year 2024 filing.
Participants vs Connecticut filers
In Connecticut, the average filing covers about 718 participants across 1,906 plans. Amphenol Corporation Employee Savings/401(k) Plan reports 5,339 participants - 7.4x that state average ($779M EOY assets).
Connecticut filing particulars
| Total Assets (Beginning of Year) | $672M |
|---|---|
| Net Assets (End of Year) | $779M |
| Net Income | $107M |
| Employer EIN | 222785165 |
| Plan Effective Date | 1990-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Amphenol Corporation & Affiliated Companies)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 4 | 6,420 | $991M |
| 2023 | 4 | 7,174 | $1.1B |
| 2024 | 3 | 6,783 | $1.2B |
Nearby 401(k) Plans in Connecticut
Peer 401(k) plans, same state, same plan type, ranked by total assets.
Amphenol Corporation Employee Savings/401(k) Plan vs. nearby 401(k) plans in Connecticut, assets vs. participants
- Rtx Savings Plan $58.6B · 124,876
- Citi Retirement Savings Plan $23.2B · 78,741
- The Hartford Investment and Savings Plan $7.2B · 18,614
- Eversource 401(k) Plan $4.0B · 10,041
- Xerox Corporation Savings Plan $4.0B · 9,876
Scale composition for Amphenol Corporation Employee Savings/401(k) Plan
Amphenol Corporation Employee Savings/401(k) Plan reports $779M in end-of-year assets across 5,339 participants (0.006% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.006% of 93,925,755 covered participants) - about $145,952 per participant (1.1x the national average assets-per-participant) . Net income for plan year 2024 was $107M.
This plan identity (EIN 222785165, plan #010) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $561M to $779M (+38.9%) while covered participants moved from 4,584 to 5,339 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 4,584 | $561M | Open filing |
| 2023 | 5,415 | $672M | Open filing |
| 2024 · index core | 5,339 | $779M | This page |
The same sponsor also keeps 1 other index-core plan on PlainRetire:
- Pension Plan for Employees of Amphenol Corporation (Defined Benefit (Pension), $335M, 531 participants)
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Amphenol Corporation Employee Savings/401(k) Plan by total assets, not by location.
- Multicare Health System 401(k) Plan (WA) $779M · 5,537
- Amended and Restated Savings Fund Plan for Employees of 84 Lumber Company (PA) $779M · 8,579
- Trinity Health 401(k) Retirement Savings Plan (MI) $779M · 5,709
- Corelogic, Inc. 401(k) Savings Plan (CA) $779M · 3,765
Frequently Asked Questions
How did Amphenol Corporation Employee Savings/401(k) Plan assets move in 2024? ▼
How have Amphenol Corporation & Affiliated Companies plan assets changed over time? ▼
Where does Amphenol Corporation Employee Savings/401(k) Plan rank by assets among Form 5500 filers? ▼
Which 401(k) plans are similar in size to Amphenol Corporation Employee Savings/401(k) Plan? ▼
Next read for Amphenol Corporation Employee Savings/40…
Filing takeaways
Ways to act on Amphenol Corporation Employee Savings/401(k) Plan's numbers.
- By total assets, Amphenol Corporation Employee Savings/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 Connecticut. Compare plans
- Amphenol Corporation & Affiliated Companies's sponsor-wide assets have grown 19.9% since 2022 across 3 plan years on file. More Manufacturing plans