401(k) · DOL Form 5500 · 2023
Amphenol Corporation & Affiliated Companies 401(k) Plan
Data updated 2026-08-11
- $672M
- Total assets
- 5,415
- Participants
- 98th
- Percentile by assets
- $124,112
- Avg per participant
Official DOL plan name: Amphenol Corporation Employee Savings/401(k) Plan · Sponsored by Amphenol Corporation & Affiliated Companies · Connecticut · Manufacturing
$672M in assets, 5,415 participants
Amphenol Corporation & Affiliated Companies's Amphenol Corporation Employee Savings/401(k) Plan reported $672M in total assets and 5,415 participants in its 2023 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 127,072 plans)
- #18,099 in Manufacturing (18,722 peers)
Coverage in Connecticut
Amphenol Corporation Employee Savings/401(k) Plan covers 5,415 participants in Connecticut, 7.5x the typical Connecticut plan (state average ~718 per filing). Assets: $672M.
- $672M
- total plan assets (2023 EOY)
- 5,415
- covered participants
- 98th
- percentile by assets (of 127,072 plans)
- $124,112
- avg assets per participant
What changed between DOL Form 5500 filings
plan year 2022 → plan year 2023
- Amphenol Corporation Employee Savings/401(k) Plan reported net income rose from -$106M in the plan year 2022 filing to $109M in the plan year 2023 filing.
- Amphenol Corporation Employee Savings/401(k) Plan end-of-year assets rose from $561M in the plan year 2022 filing to $672M in the plan year 2023 filing.
- Amphenol Corporation Employee Savings/401(k) Plan reported participants rose from 4,584 in the plan year 2022 filing to 5,415 in the plan year 2023 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 5,415 participants - 7.5x that state average ($672M EOY assets).
Connecticut filing particulars
| Total Assets (Beginning of Year) | $561M |
|---|---|
| Net Assets (End of Year) | $669M |
| Net Income | $109M |
| 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 $52.8B · 123,037
- Citi Retirement Savings Plan $20.7B · 77,865
- The Hartford Investment and Savings Plan $6.5B · 18,377
- Xerox Corporation Savings Plan $3.9B · 10,291
- Eversource 401(k) Plan $3.8B · 9,504
Scale composition for Amphenol Corporation Employee Savings/401(k) Plan
Amphenol Corporation Employee Savings/401(k) Plan reports $672M in end-of-year assets across 5,415 participants (0.005% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.006% of 93,925,755 covered participants) - about $124,112 per participant (90% of the national average assets-per-participant) . Net income for plan year 2023 was $109M.
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 | This page |
| 2024 · index core | 5,339 | $779M | Open filing |
The same sponsor also keeps 2 other index-core plans on PlainRetire:
- Amphenol Corporation Employee Savings/401(k) Plan (401(k), $779M, 5,339 participants)
- 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.
- Parkview Health System, Inc. Retirement Savings Plan (IN) $672M · 16,241
- Davis Wright Tremaine LLP 401(k) Profit Sharing Plan (WA) $672M · 1,480
- Federated Mutual Insurance Company 401(k) Plan (MN) $671M · 2,776
- Shi International Corp 401(k) Savings Plan (NJ) $673M · 5,126
Frequently Asked Questions
How did Amphenol Corporation Employee Savings/401(k) Plan assets move in 2023? ▼
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