Plan Ledger DOL Form 5500 · updated monthly

Cabot Corporation401(k) + ESOP (KSOP)

CABOT 401(K) PLAN · BILLERICA, MA · plan year 2024

Reported admin expense ratio · 2024
0.03%

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

Cabot Corporation reported $260,018 in plan administrative expenses for 2024: 0.03% of average plan assets, lower than ~75% of peers. Employer contributions averaged $13,385 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 2 years on file its reported administrative ratio fell from 0.04% to 0.03%. The plan sits in the $250M–$1B size bracket, benchmarked here against 2,883 comparable plans and shown alongside other manufacturing employers. By assets it is the 67th-largest of 2,726 plans among Massachusetts employers on file, and the 368th of 13,661 in manufacturing. In 2024, employees put in $1.03 for every $1.00 the employer contributed.

Plan summary
Net assets, end of year$875,555,560
Participants with balances1,821
Active participants1,054
Employer contributions$14,108,041
Employee contributions$14,541,971
Employer contribution per active participant$13,385
Average account balance$480,810
Benefits paid to participants$72,012,852
Plan auditUnmodified (clean) audit opinion
Plan history3
Yearassets · accounts · employer contribution
2024$875.6M · 1,821 accts · $14.1M emplr
2023$806.4M · 1,884 accts · $13.6M emplr
2022$715.5M · 1,951 accts · $12.8M emplr
The Cabot Corporation 401(k) match · 2024
Employer contribution per active participant$13,385
Median for plans this size$4,294
2024$13,385 per active participant
2023$12,606 per active participant
2022$11,943 per active participant

Cabot Corporation's 2024 employer contribution ran above the $4,294 median for plans its size, placing it in the top quarter of its peers. 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
THE VANGUARD GROUP, INC. · Recordkeeping · Consulting$122,005
VANGUARD ADVISERS INC. · Investment advisory (participants)$141,794

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

Recordkeeper by year2
2024Vanguard
2023Vanguard

Looking for an account from a past job here? How to find an old 401(k).

Administrative cost history3
2024$260,018 · 0.03%
2023$293,100 · 0.04%
2022$331,491 · 0.04%
Same employer
Similar plansManufacturing · Massachusetts
Hologic, Inc. MA$1.2B · 0.00%
Revvity, Inc. MA$943.9M · 0.05%
Skyworks Solutions, Inc. MA$852.5M · 0.05%
Mks Instruments, Inc. MA$839.6M · 0.04%
Bose Corporation MA$680.9M · 0.02%

Why are you looking at this plan?

Compare

Source: U.S. Department of Labor, Form 5500 series, EIN 042271897 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.