401(k) · DOL Form 5500 · 2022

Harmonic Drive LLC 401(k) Plan

Data updated 2026-08-25

$24M
Total assets Small plan by assets
154
Participants Small participant base
80th
Percentile by assets National rank
$153,075
Avg per participant Above avg balance/head
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Official DOL plan name: Savings Plan of Harmonic Drive LLC · Sponsored by Harmonic Drive LLC · Massachusetts · Manufacturing

$24M in assets, 154 participants

Harmonic Drive LLC's Savings Plan of Harmonic Drive LLC reported $24M in total assets and 154 participants in its 2022 DOL Form 5500 filing, ranking in the 80th 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.

  • #14,687 in Manufacturing (20,602 peers)

Coverage in Massachusetts

Savings Plan of Harmonic Drive LLC covers 154 participants in Massachusetts, about 23% of the average Massachusetts filer (state average ~659 per filing). Assets: $24M.

#14,687
in Manufacturing (20,602 peers)
-13.0%
assets change YoY
0.2×
vs typical plan assets (national mean)

The plan reported a net loss of $4M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Savings Plan of Harmonic Drive LLC's outsized position by total assets

Savings Plan of Harmonic Drive LLC vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$23,573,613 Top 20% higher than 80% of 139,123 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 2022

Savings Plan of Harmonic Drive LLC among mid-size filed plans by headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Savings Plan of Harmonic Drive LLC sits mid-pack in the medium band (154 participants).

DOL schedule card

Filing strip 203942105 · Harmonic Drive LLC PY 2022 · 401(k)

Savings Plan of Harmonic Drive LLC · $24M · 154 · 80th

  • ASSETS $24M
  • ASSETS 154
  • ASSETS 80th
  • ASSETS 401(k)
  • ASSETS near Charleston Oncology, PA 401(k) Profit Sharing Plan
  • ASSETS ind #14687

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 Massachusetts →

Savings Plan of Harmonic Drive LLC in the asset neighbourhood

Charleston Oncology, PA 401(k) Profit Sharing PlanCharleston Oncology, PA 401(…$24MSavings Plan of Harmonic Drive LLCSavings Plan of Harmonic Dri…$24MTravelopia USA, Inc. 401(k) PlanTravelopia USA, Inc. 401(k) …$24MMurcor, Inc. 401(k) Profit Sharing PlanMurcor, Inc. 401(k) Profit S…$24MContinental Properties Company, Inc. 401(k) Savings PlanContinental Properties Compa…$24M
End-of-year total assets ($M) among Savings Plan of Harmonic Drive LLC and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Massachusetts filing particulars

Total Assets (Beginning of Year)$27M
Net Assets (End of Year)$24M
Net Income-$4M
Employer EIN203942105
Plan Effective Date2006-03-15
Filing StatusFILING RECEIVED

Sponsor Plan History (Harmonic Drive LLC)

Sponsor-wide plan assets over time

All Harmonic Drive LLC plans reported in each filing year

Latest sponsor-wide plan assets
$27M 14.186578018397094% vs 2022
2024 filing year
$22M$24M$26M$28M 202220232024 $23.6M $26.9M ▲ +14.2%
Year Plans Participants Total Assets
2022 1 154 $24M
2023 1 194 $25M
2024 1 206 $27M

Nearby 401(k) Plans in Massachusetts

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Savings Plan of Harmonic Drive LLC vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -100102030 Total assets ($B) Participants Savings Plan of Harmonic Drive LLC, Total assets ($B): 0.023573613 · Participants: 154Savings Plan of Harmonic Drive LLCFidelity Retirement Savings Plan, Total assets ($B): 22.953563448 · Participants: 52036Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 8.79802945 · Participants: 32843Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 5.810585521 · Participants: 13690Massachusetts Institute of Technology Supplemental 401(k) PlanPhilips North America 401(k) Plan, Total assets ($B): 5.180251859 · Participants: 19750Philips North America 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 4.853752256 · Participants: 18359Boston Scientific Corporation 401(k) Retirement Savings Plan
Savings Plan of Harmonic Drive LLC vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Savings Plan of Harmonic Drive LLC's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Charleston Oncology, PA 401(k) Profit Sharing Plan in SC ($24M); by covered participants it is Kenna Security, Inc. 401(k) Plan in CA (154 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (154 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Savings Plan of Harmonic Drive LLC assets move in 2022?
Savings Plan of Harmonic Drive LLC pulled back noticeably - down 13.0% during 2022, from $27M to $24M. Reported net income was -$4M.
How have Harmonic Drive LLC plan assets changed over time?
Across 3 plan years on file (2022-2024), Harmonic Drive LLC's sponsor-wide assets grew 14.2%, from $24M to $27M.
Where does Savings Plan of Harmonic Drive LLC rank by assets among Form 5500 filers?
Savings Plan of Harmonic Drive LLC ranks in the 80th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Savings Plan of Harmonic Drive LLC?
Among 401(k) plans in other states, the closest by assets is Charleston Oncology, PA 401(k) Profit Sharing Plan in SC ($24M, 156 participants).
Which 401(k) plans cover a similar participant headcount to Savings Plan of Harmonic Drive LLC?
Among 401(k) plans in other states, the closest by covered participants is Kenna Security, Inc. 401(k) Plan in CA (154 participants, N/A in assets).