Generation Bio Co.401(k)
GENERATION BIO 401(K) PLAN · CAMBRIDGE, MA · plan year 2024
Peer grade: A · admin costs + employer contributions vs same-size plans · how grading works
Generation Bio Co. reported $2,547 in plan administrative expenses for 2024: 0.02% of average plan assets, lower than ~75% of peers. Employer contributions averaged $7,882 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 rose from 0.01% to 0.02%. The plan sits in the $10M–$50M size bracket, benchmarked here against 27,838 comparable plans and shown alongside other manufacturing employers. By assets it is among the smaller plans on file in Massachusetts (1,437th of 2,726), and the 6,479th of 13,661 in manufacturing. In 2024, employees put in $2.07 for every $1.00 the employer contributed; active participation has shrunk from 153 to 116 since 2022.
Generation Bio Co.'s 2024 employer contribution ran above the $2,416 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.
Annual cost at the plan's reported 2024 administrative ratio, against the median plan its size; fund expense ratios are extra. Compare any plan.
Compensation shown is direct payments from plan assets reported on Schedule C. Providers paid through fund revenue-sharing appear as indirect.
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Source: U.S. Department of Labor, Form 5500 series, EIN 814301284 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.