Coverage by line
Premium dollars by benefit type (bundled lines overlap)
- Health$2.2M
- Dental$2.2M
- Life$69K
- Short-term disability$69K
- Long-term disability$69K
- Other$69K
- +1 more
Filings through .
Seres Therapeutics, Inc.
EIN 27-4326290biotechnologyLatest filing 2025
Plans
2
Retirement
1
$43.6M assets
Health & Benefits
1
$2.2M premiums
Participants
449
101 CAMBRIDGE PARK DRIVE - CAMBRIDGE, MA 02140617-203-3398serestherapeutics.comLinkedIn201-500 employeesbiotechnology
Plans on this EIN
2 filingsHealth & Benefits portfolio - carriers, brokers and premium across this company's health and benefits plan.
Benefits portfolio analytics
1 plan / $2.2M premiums / 159 covered lives
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Plan summaries
Each card links to its plan page. The plan page shows fees vs peers, audit grade, history and counterparties.
Retirement#001
SERES THERAPEUTICS, INC. 401(K) PLAN
401(k)
Assets$43.6M
Participants337
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Health & Benefits#501
SERES THERAPEUTICS, INC. WELFARE BENEFIT PLAN
Fully insured - BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC.
Premiums$2.2M
Covered lives159
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Retirement plans
1 plan on this EIN
| Plan | Name | Type | Assets | Participants | Latest year |
|---|---|---|---|---|---|
| #001 | SERES THERAPEUTICS, INC. 401(K) PLAN | 401(k) | $43.6M | 337 | 2025 |
- #001 · 401(k) · 2025337
Health & Benefits plans
1 plan on this EIN
| Plan | Name | Funding | Carrier | Premiums | Covered | Latest year |
|---|---|---|---|---|---|---|
| #501 | SERES THERAPEUTICS, INC. WELFARE BENEFIT PLAN | Fully insured | BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC. | $2.2M | 159 | 2025 |
- #501 · Fully insured · BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC. · 2025159
Retirement plans
Health & Benefits plans