Plan Ledger DOL Form 5500 · updated monthly

Day One Biopharmaceuticals, Inc.401(k)

DAY ONE BIOPHARMACEUTICALS 401(K) PLAN · BRISBANE, CA · plan year 2024

Reported admin expense ratio · 2024
0.00%

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

Day One Biopharmaceuticals, Inc. reported $632 in plan administrative expenses for 2024: 0.00% of average plan assets, lower than ~75% of peers. Employer contributions averaged $9,314 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 0.003% to 0.004%. The plan sits in the $10M–$50M size bracket, benchmarked here against 27,838 comparable plans and shown alongside other professional & technical services employers. By assets it is the 3,956th-largest of 9,483 plans among California employers on file, and 5,985th of 11,654 in professional & technical services. In 2024, employees put in $2.07 for every $1.00 the employer contributed; active participation has grown from 122 to 181 since 2022.

Plan summary
Net assets, end of year$17,676,130
Participants with balances194
Active participants181
Employer contributions$1,685,837
Employee contributions$3,481,638
Employer contribution per active participant$9,314
Average account balance$91,114
Benefits paid to participants$736,733
Plan auditUnmodified (clean) audit opinion
Plan history3
Yearassets · accounts · employer contribution
2024$17.7M · 194 accts · $1.7M emplr
2023$10.5M · 154 accts · $1.3M emplr
2022$4.1M · 107 accts · $177K emplr
Administrative expenses, itemized · 2024
Investment management$1,837
Total administrative$632
The Day One Biopharmaceuticals, Inc. 401(k) match · 2024
Employer contribution per active participant$9,314
Median for plans this size$2,416
2024$9,314 per active participant
2023$8,673 per active participant
2022$1,454 per active participant

Day One Biopharmaceuticals, Inc.'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.

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 · 20241
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$632 · 0.00%
2023Not separately reported
2022$120 · 0.00%
Same employer
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Kong, Inc. CA$17.8M · 0.27%
Rock Paper Scissors, LLC CA$17.8M · 0.41%
Phenomebio Inc. CA$17.8M · 0.12%
Vca Consultants, Inc. CA$17.6M · 0.36%
Ecology Action CA$17.6M · 0.50%
Clearcaptions, LLC CA$17.6M · 0.57%

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Source: U.S. Department of Labor, Form 5500 series, EIN 832415215 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.