401(k) · DOL Form 5500 · 2024
Instrumentation Laboratory 401(k) Plan
Data updated 2026-08-11
- $538M
- Total assets
- 2,495
- Participants
- 97th
- Percentile by assets
- $215,476
- Avg per participant
Official DOL plan name: Instrumentation Laboratory Savings Plan · Sponsored by Instrumentation Laboratory · Massachusetts · Manufacturing
$538M in assets, 2,495 participants
Instrumentation Laboratory's Instrumentation Laboratory Savings Plan reported $538M in total assets and 2,495 participants in its 2024 DOL Form 5500 filing, ranking in the 97th 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.
- 97th percentile by assets (of 123,622 plans)
- #17,033 in Manufacturing (17,777 peers)
Coverage in Massachusetts
Instrumentation Laboratory Savings Plan covers 2,495 participants in Massachusetts, 3.8x the typical Massachusetts plan (state average ~659 per filing). Assets: $538M.
- $538M
- total plan assets (2024 EOY)
- 2,495
- covered participants
- 97th
- percentile by assets (of 123,622 plans)
- $215,476
- avg assets per participant
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Instrumentation Laboratory Savings Plan end-of-year assets rose from $462M in the plan year 2023 filing to $538M in the plan year 2024 filing.
- Instrumentation Laboratory Savings Plan reported net income rose from $70M in the plan year 2023 filing to $75M in the plan year 2024 filing.
- Instrumentation Laboratory Savings Plan reported participants rose from 2,401 in the plan year 2023 filing to 2,495 in the plan year 2024 filing.
Participants vs Massachusetts filers
In Massachusetts, the average filing covers about 659 participants across 4,265 plans. Instrumentation Laboratory Savings Plan reports 2,495 participants - 3.8x that state average ($538M EOY assets).
Massachusetts filing particulars
| Total Assets (Beginning of Year) | $462M |
|---|---|
| Net Assets (End of Year) | $538M |
| Net Income | $75M |
| Employer EIN | 020448199 |
| Plan Effective Date | 1991-11-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Instrumentation Laboratory)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 2 | 2,049 | $374M |
| 2023 | 2 | 2,498 | $477M |
| 2024 | 2 | 2,588 | $552M |
Nearby 401(k) Plans in Massachusetts
Peer 401(k) plans, same state, same plan type, ranked by total assets.
Instrumentation Laboratory Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
- Fidelity Retirement Savings Plan $34.2B · 66,907
- Liberty Mutual 401(k) Plan $11.4B · 34,618
- Massachusetts Institute of Technology Supplemental 401(k) Plan $7.7B · 14,762
- Boston Scientific Corporation 401(k) Retirement Savings Plan $6.8B · 20,639
- State Street Salary Savings Program $6.5B · 12,777
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Instrumentation Laboratory Savings Plan by total assets, not by location.
- Salas O'brien Retirement Plan (CA) $538M · 1,862
- Glacier Bancorp, Inc. Profit Sharing and 401(k) Plan (MT) $538M · 3,215
- American Eagle Outfitters, Inc. Profit Sharing and 401(k) Plan (PA) $538M · 9,217
- Boyd Gaming Corporation 401(k) Plan and Trust (NV) $537M · 13,741
Frequently Asked Questions
How did Instrumentation Laboratory Savings Plan assets move in 2024? ▼
How have Instrumentation Laboratory plan assets changed over time? ▼
Where does Instrumentation Laboratory Savings Plan rank by assets among Form 5500 filers? ▼
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Next read for Instrumentation Laboratory Savings Plan
Filing takeaways
Ways to act on Instrumentation Laboratory Savings Plan's numbers.
- By total assets, Instrumentation Laboratory Savings Plan ranks in the top 5% of all filed plans by assets. See the largest plans
- Compare it side-by-side against 3 similar 401(k) plans in Massachusetts. Compare plans
- Instrumentation Laboratory's sponsor-wide assets have grown 47.5% since 2022 across 3 plan years on file. More Manufacturing plans