Belmont Instrument 401(k) match, vesting and fees

Plan year 2025 filingBelmont Instrument LLC Retirement Plan · Plan 001 · EIN 04-2705177Updated Oct 2026

What Belmont Instrument's 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 $697K in employer contributions, about $2,518 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2025 Form 5500 ↗
$89,101
Average account balance
281
Participants (end of year)
$24.7M
Plan assets (end of year)
0.43%
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 Investments InstitutionalSchedule C ↗
Independent auditorGray, Gray, & Gray 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.

Belmont Instrument: employer contribution per participant$2,518
Peer median$1,962
Belmont Instrument: average balance$89,101
Peer median$75,225
Belmont Instrument: admin expenses ÷ assets0.43%
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 $17.1M at the end of plan year 2021 to $24.7M at the end of plan year 2025.

$17.1M2021$15.8M2022$19.4M2023$19M2024$24.7M2025
End-of-year figures from each plan year's Form 5500 filing for the Belmont Instrument plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
2025281$24.7M$697K$2,5180.43%Not publishedForm 5500 ↗
2024277$19M$746K$2,7340.55%Not publishedForm 5500 ↗
2023278$19.4M$637K$2,3420.43%Not publishedForm 5500 ↗
2022279$15.8M$551K$1,9960.49%Not publishedForm 5500 ↗
2021226$17.1M$559K$2,5980.66%Not publishedForm 5500 ↗

Common questions

Does Belmont Instrument match 401(k) contributions?

The match terms for the Belmont Instrument LLC Retirement Plan have not been published from its filing yet. The plan year 2025 filing reports $697K in employer contributions, about $2,518 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Belmont Instrument 401(k) match vested?

The vesting schedule for the Belmont Instrument LLC Retirement Plan is not in the data published so far. Your Summary Plan Description states it.

Who manages the Belmont Instrument 401(k)?

The recordkeeper listed on Schedule C of the plan year 2025 filing is Fidelity Investments Institutional. The plan administrator is Belmont Instrument LLC.

I left Belmont Instrument. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Belmont Instrument LLC, (978) 663-0212) or the recordkeeper, Fidelity Investments Institutional. The Belmont Instrument old 401(k) page lists the contacts from every plan filing. Find an old Belmont Instrument 401(k)

Data from the public Form 5500 annual reports Belmont Instrument 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 Belmont Instrument. Not financial advice. Report a correction · Methodology