401(k) · DOL Form 5500 · 2024

Amphenol Corporation & Affiliated Companies 401(k) Plan

Data updated 2026-08-25

$779M
Total assets Above avg plan size
5,339
Participants Above avg headcount
98th
Percentile by assets National rank
$145,952
Avg per participant Above 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

$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.

  • #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.

#17,215
in Manufacturing (17,777 peers)
+15.9%
assets growth YoY
7.8×
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 2024 · DOL Form 5500

$779,235,071 Top 2% higher than 98% 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

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

Plan-year 2024 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 (5,339 participants).

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.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 222785165 · Amphenol Corporation & Affiliated Companies PY 2024 · 401(k)

Amphenol Corporation Employee Savings/401(k) Plan · $779M · 5,339 · 98th

  • IND $779M
  • IND 5,339
  • IND 98th
  • IND 401(k)
  • IND near Multicare Health System 401(k) Plan
  • IND ind #17215

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

Trinity Health 401(k) Retirement Savings PlanTrinity Health 401(k) Retire…$779MAmended and Restated Savings Fund Plan for Employees of 84 Lumber CompanyAmended and Restated Savings…$779MAmphenol Corporation Employee Savings/401(k) PlanAmphenol Corporation Employe…$779MMulticare Health System 401(k) PlanMulticare Health System 401(…$779MCorelogic, Inc. 401(k) Savings PlanCorelogic, Inc. 401(k) Savin…$779M
End-of-year total assets ($M) among Amphenol Corporation Employee Savings/401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Connecticut filing particulars

Total Assets (Beginning of Year)$672M
Net Assets (End of Year)$779M
Net Income$107M
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 -20020406080 Total assets ($B) Participants Amphenol Corporation Employee Savings/401(k) Plan, Total assets ($B): 0.779235071 · Participants: 5339Amphenol Corporation Employee Savings/401(k) PlanRtx Savings Plan, Total assets ($B): 58.647425 · Participants: 124876Rtx Savings PlanCiti Retirement Savings Plan, Total assets ($B): 23.241033081 · Participants: 78741Citi Retirement Savings PlanThe Hartford Investment and Savings Plan, Total assets ($B): 7.183243 · Participants: 18614The Hartford Investment and Savings PlanEversource 401(k) Plan, Total assets ($B): 4.046347175 · Participants: 10041Eversource 401(k) PlanXerox Corporation Savings Plan, Total assets ($B): 3.976943 · Participants: 9876Xerox Corporation Savings 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 $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:

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 Multicare Health System 401(k) Plan in WA ($779M); by covered participants it is Fleet Farm 401(k)Plan in WI (5,341 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (5,339 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 Amphenol Corporation Employee Savings/401(k) Plan assets move in 2024? ▼
Amphenol Corporation Employee Savings/401(k) Plan grew sharply - up 15.9% during 2024, from $672M to $779M. Reported net income was $107M.
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 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 Amphenol Corporation Employee Savings/401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Multicare Health System 401(k) Plan in WA ($779M, 5,537 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 Fleet Farm 401(k)Plan in WI (5,341 participants, $144M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

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.