Coverage by line
Premium dollars by benefit type (bundled lines overlap)
- Health$6.1M
- Prescription drug$945K
- Dental$629K
- Vision$629K
- Short-term disability$141K
- Long-term disability$129K
- +2 more
Sponsor portfolio
BILLIONTOONE, INC.
EIN 81-1082020biotechnologyLatest filing 2025
Plans
2
Retirement
1
$19.6M assets
Welfare
1
$7.1M premiums
Participants
1,221
1035 O'BRIEN DRIVE - MENLO PARK, CA 94025650-460-2551billiontoone.comLinkedIn201-500 employeesbiotechnology
Plans on this EIN
2 filingsBenefits portfolio analytics
1 plan / $7.1M premiums / 1,344 covered livesCarrier market share
Premium dollars by Schedule A carrier
73%top
- BLUE CROSS OF CALIFORNIA73%
- ANTHEM LIFE INSURANCE COMPANY14%
- KAISER FOUNDATION HEALTH PLAN INC13%
Broker market share
Schedule A broker compensation
100%top
- SEQUOIA BENEFITS & INS SVCS LLC100%
Plan deep-dives
Per-plan teasers. The full analytics (fees vs peers, audit grade, trajectory, counterparties) live on each plan detail page.Retirement#001
BILLIONTOONE 401(K) PLAN
401k
Assets$19.6M
Participants513
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Welfare#501
BILLIONTOONE, INC.
Fully Insured - BLUE CROSS OF CALIFORNIA
Premiums$7.1M
Covered lives1,344
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive
Retirement plans1
| Plan # | Name | Type | Assets | Participants | Latest year | |
|---|---|---|---|---|---|---|
| 001 | BILLIONTOONE 401(K) PLAN | 401k | $19.6M | 513 | 2024 |
Welfare plans1
| Plan # | Name | Funding | Carrier | Premiums | Covered | Latest year | |
|---|---|---|---|---|---|---|---|
| 501 | BILLIONTOONE, INC. | Fully Insured | BLUE CROSS OF CALIFORNIA | $7.1M | 1,344 | 2025 |
Retirement plans
Welfare plans