401(k) · DOL Form 5500 · 2023

Thorlabs, Inc. 401(k) Plan

Data updated 2026-08-25

$123M
Total assets Near avg plan size
1,381
Participants Near avg headcount
93rd
Percentile by assets National rank
$89,295
Avg per participant Below avg balance/head
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Official DOL plan name: Thorlabs, Inc 401(k) Retirement Plan · Sponsored by Thorlabs, Inc. · New Jersey · Manufacturing

$123M in assets, 1,381 participants

Thorlabs, Inc.'s Thorlabs, Inc 401(k) Retirement Plan reported $123M in total assets and 1,381 participants in its 2023 DOL Form 5500 filing, ranking in the 93rd 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.

  • #16,593 in Manufacturing (18,722 peers)

Where Thorlabs, Inc 401(k) Retirement Plan sits by assets

Thorlabs, Inc 401(k) Retirement Plan sits in the top 10% of all filed plans by assets, $123M for 1,381 participants (~$89,295/participant), up 29.1% in 2023.

#16,593
in Manufacturing (18,722 peers)
+29.1%
assets growth YoY
1.2×
vs typical plan assets (national mean)

Thorlabs, Inc 401(k) Retirement Plan's outsized position by total assets

Thorlabs, Inc 401(k) Retirement Plan vs every filed plan by assets

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

$123,315,810 Top 7% higher than 93% 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

Thorlabs, Inc 401(k) Retirement 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. Thorlabs, Inc 401(k) Retirement Plan lands in the large band (1,381 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Thorlabs, Inc 401(k) Retirement Plan reported net income rose from -$13M in the plan year 2022 filing to $28M in the plan year 2023 filing.
  • Thorlabs, Inc 401(k) Retirement Plan end-of-year assets rose from $96M in the plan year 2022 filing to $123M in the plan year 2023 filing.
  • Thorlabs, Inc 401(k) Retirement Plan reported participants rose from 1,238 in the plan year 2022 filing to 1,381 in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 222873153 · Thorlabs, Inc. PY 2023 · 401(k)

Thorlabs, Inc 401(k) Retirement Plan · $123M · 1,381 · 93rd

  • PART $123M
  • PART 1,381
  • PART 93rd
  • PART 401(k)
  • PART near Tech Mahindra Americas 401(k) Plan
  • PART ind #16593

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 New Jersey →

Thorlabs, Inc 401(k) Retirement Plan in the asset neighbourhood

Eco Material Technologies 401(k) PlanEco Material Technologies 40…$123MThorlabs, Inc 401(k) Retirement PlanThorlabs, Inc 401(k) Retirem…$123MTech Mahindra Americas 401(k) PlanTech Mahindra Americas 401(k…$123MThe Doctors Clinic, a P. C. 401(k) Profit Sharing PlanThe Doctors Clinic, a P. C. …$123MPower Integrations, Inc. 401(k) PlanPower Integrations, Inc. 401…$123M
End-of-year total assets ($M) among Thorlabs, Inc 401(k) Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$96M
Net Assets (End of Year)$123M
Net Income$28M
Employer EIN222873153
Plan Effective Date1993-12-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Thorlabs, Inc.)

Sponsor-wide plan assets over time

All Thorlabs, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$150M 56.88085424350806% vs 2022
2024 filing year
$80M$100M$120M$140M$160M 202220232024 $95.5M $150M ▲ +56.9%
Year Plans Participants Total Assets
2022 1 1,238 $96M
2023 1 1,381 $123M
2024 1 1,714 $150M

Nearby 401(k) Plans in New Jersey

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

Thorlabs, Inc 401(k) Retirement Plan vs. nearby 401(k) plans in New Jersey, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000 -1001020304050 Total assets ($B) Participants Thorlabs, Inc 401(k) Retirement Plan, Total assets ($B): 0.12331581 · Participants: 1381Thorlabs, Inc 401(k) Retirement PlanJPMorgan Chase 401(k) Savings Plan, Total assets ($B): 44.552237022 · Participants: 176610JPMorgan Chase 401(k) Savings PlanVerizon Savings Plan for Management Employees, Total assets ($B): 27.825640157 · Participants: 78072Verizon Savings Plan for Management EmployeesJohnson and Johnson Savings Plan, Total assets ($B): 22.177853595 · Participants: 41291Johnson and Johnson Savings PlanErnst & Young Retirement Savings Plan, Total assets ($B): 15.543526764 · Participants: 59346Ernst & Young Retirement Savings PlanMerck US Savings Plan, Total assets ($B): 13.424416176 · Participants: 26850Merck US Savings Plan
Thorlabs, Inc 401(k) Retirement Plan vs. nearby 401(k) plans in New Jersey, assets vs. participants
Compare Thorlabs, Inc 401(k) Retirement Plan side-by-side with 3 peers →

Thorlabs, Inc 401(k) Retirement Plan's out-of-state 401(k) peers by assets and headcount

Outside New Jersey, the nearest 401(k) by assets is Tech Mahindra Americas 401(k) Plan in TX ($123M); by covered participants it is Oportun 401(k) Plan in CA (1,381 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($123M here).

Similar participant headcount

Nearest other-state filings by covered participants (1,381 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 Thorlabs, Inc 401(k) Retirement Plan assets move in 2023? ▼
Thorlabs, Inc 401(k) Retirement Plan grew sharply - up 29.1% during 2023, from $96M to $123M. Reported net income was $28M.
How have Thorlabs, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Thorlabs, Inc.'s sponsor-wide assets grew 56.9%, from $96M to $150M.
Where does Thorlabs, Inc 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼
Thorlabs, Inc 401(k) Retirement Plan ranks in the 93rd percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Thorlabs, Inc 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Tech Mahindra Americas 401(k) Plan in TX ($123M, 7,288 participants).
Which 401(k) plans cover a similar participant headcount to Thorlabs, Inc 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Oportun 401(k) Plan in CA (1,381 participants, $78M 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 222873153.

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.