401(k) · DOL Form 5500 · 2024

Instrumentation Laboratory 401(k) Plan

Data updated 2026-08-25

$538M
Total assets Above avg plan size
2,495
Participants Above avg headcount
97th
Percentile by assets National rank
$215,476
Avg per participant Above avg balance/head
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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.

  • #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.

#17,033
in Manufacturing (17,777 peers)
+16.3%
assets growth YoY
5.4×
vs typical plan assets (national mean)

Instrumentation Laboratory Savings Plan's outsized position by total assets

Instrumentation Laboratory Savings Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$537,611,656 Top 3% higher than 97% of 123,620 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 2024

Instrumentation Laboratory Savings Plan's large-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Instrumentation Laboratory Savings Plan lands in the large band (2,495 participants).

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.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 020448199 · Instrumentation Laboratory PY 2024 · 401(k)

Instrumentation Laboratory Savings Plan · $538M · 2,495 · 97th

  • IND $538M
  • IND 2,495
  • IND 97th
  • IND 401(k)
  • IND near Salas O'brien Retirement Plan
  • IND ind #17033

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 →

Instrumentation Laboratory Savings Plan in the asset neighbourhood

American Eagle Outfitters, Inc. Profit Sharing and 401(k) PlanAmerican Eagle Outfitters, I…$538MGlacier Bancorp, Inc. Profit Sharing and 401(k) PlanGlacier Bancorp, Inc. Profit…$538MSalas O'brien Retirement Plan$538MInstrumentation Laboratory Savings PlanInstrumentation Laboratory S…$538MBoyd Gaming Corporation 401(k) Plan and TrustBoyd Gaming Corporation 401(…$537M
End-of-year total assets ($M) among Instrumentation Laboratory Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Massachusetts filing particulars

Total Assets (Beginning of Year)$462M
Net Assets (End of Year)$538M
Net Income$75M
Employer EIN020448199
Plan Effective Date1991-11-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Instrumentation Laboratory)

Sponsor-wide plan assets over time

All Instrumentation Laboratory plans reported in each filing year

Latest sponsor-wide plan assets
$552M 47.47441175082737% vs 2022
2024 filing year
$300M$400M$500M$600M 202220232024 $374M $552M ▲ +47.5%
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 Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Instrumentation Laboratory Savings Plan, Total assets ($B): 0.537611656 · Participants: 2495Instrumentation Laboratory Savings PlanFidelity Retirement Savings Plan, Total assets ($B): 34.201609937 · Participants: 66907Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 11.352606499 · Participants: 34618Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 7.720373045 · Participants: 14762Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 6.775289067 · Participants: 20639Boston Scientific Corporation 401(k) Retirement Savings PlanState Street Salary Savings Program, Total assets ($B): 6.532301643 · Participants: 12777State Street Salary Savings Program
Instrumentation Laboratory Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Instrumentation Laboratory Savings Plan side-by-side with 3 peers →

Instrumentation Laboratory Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Salas O'brien Retirement Plan in CA ($538M); by covered participants it is Cubesmart, L.P. 401(k) Plan in PA (2,495 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (2,495 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Instrumentation Laboratory Savings Plan assets move in 2024? ▼
Instrumentation Laboratory Savings Plan grew sharply - up 16.3% during 2024, from $462M to $538M. Reported net income was $75M.
How have Instrumentation Laboratory plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Instrumentation Laboratory's sponsor-wide assets grew 47.5%, from $374M to $552M.
Where does Instrumentation Laboratory Savings Plan rank by assets among Form 5500 filers? ▼
Instrumentation Laboratory Savings Plan ranks in the 97th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Instrumentation Laboratory Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Salas O'brien Retirement Plan in CA ($538M, 1,862 participants).
Which 401(k) plans cover a similar participant headcount to Instrumentation Laboratory Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Cubesmart, L.P. 401(k) Plan in PA (2,495 participants, $60M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 020448199.

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.