Plan Ledger DOL Form 5500 · updated monthly

Cambridge Isotope Laboratories, Inc.401(k)

CAMBRIDGE ISOTOPE LABORATORIES, INC. 401(K) PLAN & TRUST · TEWKSBURY, MA · plan year 2024

Reported admin expense ratio · 2024
0.07%

Peer grade: B+ · admin costs + employer contributions vs same-size plans · how grading works

Cambridge Isotope Laboratories, Inc. reported $41,706 in plan administrative expenses for 2024: 0.07% of average plan assets, below the peer median. Employer contributions averaged $5,412 per active participant. This ratio covers administrative expenses reported on the plan's Schedule H only; fund-level expense ratios are not included in public structured data — see methodology.

Across the 3 years on file its reported administrative ratio has held roughly steady near 0.073%. The plan sits in the $50M–$250M size bracket, benchmarked here against 10,352 comparable plans and shown alongside other manufacturing employers. By assets it is the 596th-largest of 2,726 plans among Massachusetts employers on file, and the 2,706th of 13,661 in manufacturing. In 2024, employees put in $1.78 for every $1.00 the employer contributed; active participation has grown from 297 to 361 since 2022.

Plan summary
Net assets, end of year$62,260,904
Participants with balances420
Active participants361
Employer contributions$1,953,687
Employee contributions$3,477,749
Employer contribution per active participant$5,412
Average account balance$148,240
Benefits paid to participants$4,291,690
Plan auditUnmodified (clean) audit opinion
Plan history3
Yearassets · accounts · employer contribution
2024$62.3M · 420 accts · $2.0M emplr
2023$51.5M · 398 accts · $1.9M emplr
2022$43.4M · 355 accts · $1.6M emplr
The Cambridge Isotope Laboratories, Inc. 401(k) match · 2024
Employer contribution per active participant$5,412
Median for plans this size$3,635
2024$5,412 per active participant
2023$5,583 per active participant
2022$5,471 per active participant

Cambridge Isotope Laboratories, Inc.'s 2024 employer contribution ran above the $3,635 median for plans its size. Filings report dollars actually contributed, not the match formula; the formula itself (for example, 50% of the first 6% of pay) lives in the plan's summary plan description from HR.

What these fees cost you

Annual cost at the plan's reported 2024 administrative ratio, against the median plan its size; fund expense ratios are extra. Compare any plan.

Service providers · 20242
LION STREET FINANCIAL LLC · Investment advisory (plan)$50,000
FIDELITY INVESTMENTS INSTITUTIONAL · Loan processingindirect comp

Compensation shown is direct payments from plan assets reported on Schedule C. Providers paid through fund revenue-sharing appear as indirect.

Administrative cost history3
2024$41,706 · 0.07%
2023$39,510 · 0.08%
2022$33,244 · 0.07%
Same employer
Similar plansManufacturing · Massachusetts
Celldex Therapeutics, Inc. MA$65.1M · 0.02%
Rogers Foam Corporation MA$63.4M · 0.19%
M. S. Walker, Inc. MA$62.1M · 0.04%
Tech-Etch, Inc. MA$61.4M · 0.09%
Methods Machine Tools, Inc. MA$60.2M · 0.18%
Casa Systems, Inc. MA$59.9M · 0.35%

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Source: U.S. Department of Labor, Form 5500 series, EIN 042950751 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.