Amphenol Thermometrics 401(k) match, vesting and fees

Plan year 2025 filingAmphenol Thermometrics, Inc. Employee Savings/401(K) Plan · Plan 002 · EIN 25-0590780Updated Oct 2026

What Amphenol Thermometrics' 401(k) plan says about matching contributions

The match terms have not been published from this plan's filing yet.
The plan year 2025 filing reports $2M in employer contributions, about $4,369 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2025 Form 5500 ↗
$154,044
Average account balance
470
Participants (end of year)
$71.3M
Plan assets (end of year)
0.08%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

RecordkeeperFidelity Invst. Inst. Oper. Co. LLCSchedule C ↗
Independent auditorCliftonlarsonallen LLP (unmodified opinion, limited scope)Schedule H ↗
Plan type and status401(k) · ActiveForm 5500 ↗

How the plan compares

Plan year 2025 medians for 3,042 defined-contribution plans in manufacturing with 100 to 499 participants.

Amphenol Thermometrics: employer contribution per participant$4,369
Peer median$1,962
Amphenol Thermometrics: average balance$154,044
Peer median$75,225
Amphenol Thermometrics: admin expenses ÷ assets0.08%
Peer median0.32%

Admin expenses are the plan's reported administrative expenses divided by its assets; they do not include fund expense ratios.

Plan history

Plan assets went from $49.6M at the end of plan year 2021 to $71.3M at the end of plan year 2025.

$49.6M2021$41.4M2022$50.9M2023$59.7M2024$71.3M2025
End-of-year figures from each plan year's Form 5500 filing for the Amphenol Thermometrics plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
2025470$71.3M$2M$4,3690.08%Not publishedForm 5500 ↗
2024463$59.7M$1.8M$3,8490.10%Not publishedForm 5500 ↗
2023473$50.9M$2M$4,4340.12%Not publishedForm 5500 ↗
2022453$41.4M$1.9M$4,1470.11%Not publishedForm 5500 ↗
2021424$49.6M$1.8M$4,2140.06%Not publishedForm 5500 ↗

Other Amphenol Thermometrics plans (1)

Each plan files its own Form 5500. Figures are from each plan's latest filing.

Pension Plan for Employees of Keystone Thermometrics

Plan 001 · EIN 25-0590780 · plan year 2025 filing
$60,282
Average account balance
248
Participants (end of year)
$15M
Plan assets (end of year)
0.73%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

Independent auditorCliftonlarsonallen LLP (unmodified opinion, limited scope)Schedule H ↗
Plan type and statusPension (defined benefit) · FrozenForm 5500 ↗

Common questions

Does Amphenol Thermometrics match 401(k) contributions?

The match terms for the Amphenol Thermometrics, Inc. Employee Savings/401(K) Plan have not been published from its filing yet. The plan year 2025 filing reports $2M in employer contributions, about $4,369 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Amphenol Thermometrics 401(k) match vested?

The vesting schedule for the Amphenol Thermometrics, Inc. Employee Savings/401(K) Plan is not in the data published so far. Your Summary Plan Description states it.

Who manages the Amphenol Thermometrics 401(k)?

The recordkeeper listed on Schedule C of the plan year 2025 filing is Fidelity Invst. Inst. Oper. Co. LLC. The plan administrator is Amphenol Thermometrics, Inc..

I left Amphenol Thermometrics. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Amphenol Thermometrics, Inc., (203) 265-8900) or the recordkeeper, Fidelity Invst. Inst. Oper. Co. LLC. The Amphenol Thermometrics old 401(k) page lists the contacts from every plan filing. Find an old Amphenol Thermometrics 401(k)

Data from the public Form 5500 annual reports Amphenol Thermometrics filed with the U.S. Department of Labor (plan years 2021 and 2022 and 2023 and 2024 and 2025) and, where noted, the attached independent auditor's report. Plan terms may have changed since the filing; check your current Summary Plan Description. PlanFacts is not affiliated with Amphenol Thermometrics. Not financial advice. Report a correction · Methodology