401(k) · DOL Form 5500 · 2023

Amphenol Corporation & Affiliated Companies 401(k) Plan

Data updated 2026-08-25

$672M
Total assets Above avg plan size
5,415
Participants Above avg headcount
98th
Percentile by assets National rank
$124,112
Avg per participant Near avg balance/head
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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.

  • #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.

#18,099
in Manufacturing (18,722 peers)
+19.8%
assets growth YoY
6.7×
vs typical plan assets (national mean)

Amphenol Corporation Employee Savings/401(k) Plan's outsized position by total assets

Amphenol Corporation Employee Savings/401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$672,065,876 Top 2% higher than 98% of 127,068 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 2023

Amphenol Corporation Employee Savings/401(k) Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Amphenol Corporation Employee Savings/401(k) Plan lands in the large band (5,415 participants).

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.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 222785165 · Amphenol Corporation & Affiliated Companies PY 2023 · 401(k)

Amphenol Corporation Employee Savings/401(k) Plan · $672M · 5,415 · 98th

  • EBSA $672M
  • PART 5,415
  • TYPE 98th
  • NET 401(k)
  • BOOK near Parkview Health System, Inc. Retirement Savings Plan
  • VS-ST ind #18099

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 Manufacturing retirement plans → · Plans in Connecticut →

Amphenol Corporation Employee Savings/401(k) Plan in the asset neighbourhood

Shi International Corp 401(k) Savings PlanShi International Corp 401(k…$673MAmphenol Corporation Employee Savings/401(k) PlanAmphenol Corporation Employe…$672MParkview Health System, Inc. Retirement Savings PlanParkview Health System, Inc.…$672MDavis Wright Tremaine LLP 401(k) Profit Sharing PlanDavis Wright Tremaine LLP 40…$672MFederated Mutual Insurance Company 401(k) PlanFederated Mutual Insurance C…$671M
End-of-year total assets ($M) among Amphenol Corporation Employee Savings/401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Connecticut filing particulars

Total Assets (Beginning of Year)$561M
Net Assets (End of Year)$669M
Net Income$109M
Employer EIN222785165
Plan Effective Date1990-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Amphenol Corporation & Affiliated Companies)

Sponsor-wide plan assets over time

All Amphenol Corporation & Affiliated Companies plans reported in each filing year

Latest sponsor-wide plan assets
$1.2B 19.86123732720823% vs 2022
2024 filing year
$0.9B$1B$1.1B$1.2B$1.3B 202220232024 $0.99B $1.19B ▲ +20.2%
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 Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Amphenol Corporation Employee Savings/401(k) Plan, Total assets ($B): 0.672065876 · Participants: 5415Amphenol Corporation Employee Savings/401(k) PlanRtx Savings Plan, Total assets ($B): 52.759784 · Participants: 123037Rtx Savings PlanCiti Retirement Savings Plan, Total assets ($B): 20.653030659 · Participants: 77865Citi Retirement Savings PlanThe Hartford Investment and Savings Plan, Total assets ($B): 6.478512 · Participants: 18377The Hartford Investment and Savings PlanXerox Corporation Savings Plan, Total assets ($B): 3.948866 · Participants: 10291Xerox Corporation Savings PlanEversource 401(k) Plan, Total assets ($B): 3.751712453 · Participants: 9504Eversource 401(k) Plan
Amphenol Corporation Employee Savings/401(k) Plan vs. nearby 401(k) plans in Connecticut, assets vs. participants
Compare Amphenol Corporation Employee Savings/401(k) Plan side-by-side with 3 peers →

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's out-of-state 401(k) peers by assets and headcount

Outside Connecticut, the nearest 401(k) by assets is Parkview Health System, Inc. Retirement Savings Plan in IN ($672M); by covered participants it is Paylocity 401(k) Profit Sharing Plan and Trust in IL (5,415 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (5,415 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Amphenol Corporation Employee Savings/401(k) Plan assets move in 2023? ▼
Amphenol Corporation Employee Savings/401(k) Plan grew sharply - up 19.8% during 2023, from $561M to $672M. Reported net income was $109M.
How have Amphenol Corporation & Affiliated Companies plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Amphenol Corporation & Affiliated Companies's sponsor-wide assets grew 19.9%, from $991M to $1.2B.
Where does Amphenol Corporation Employee Savings/401(k) Plan rank by assets among Form 5500 filers? ▼
Amphenol Corporation Employee Savings/401(k) Plan ranks in the 98th 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 Amphenol Corporation Employee Savings/401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Parkview Health System, Inc. Retirement Savings Plan in IN ($672M, 16,241 participants).
Which 401(k) plans cover a similar participant headcount to Amphenol Corporation Employee Savings/401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Paylocity 401(k) Profit Sharing Plan and Trust in IL (5,415 participants, $339M in assets).

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 222785165.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.