SERES THERAPEUTICS, INC.
SERES THERAPEUTICS, INC. is a Public Limited Company registered in United States, and its current status with Massachusetts Secretary of the Commonwealth is active. Its registered address on file is Cambridge, United States. 1 shareholder is on record for SERES THERAPEUTICS, INC., and since every one of them is a company rather than an individual, this particular filing does not on its own establish an ultimate beneficial owner (UBO) — identifying one would mean tracing the ownership of each shareholding company in turn. This profile is sourced directly from Massachusetts Secretary of the Commonwealth and was last updated on 25 September 2026.
Registration details
Officers
15
Directors and officers of SERES THERAPEUTICS, INC.
The President, Ceo & Director of SERES THERAPEUTICS, INC. currently on record is Eric D. Shaff M.b.a.; 15 officers are currently on record for SERES THERAPEUTICS, INC., filed with Massachusetts Secretary of the Commonwealth. Management authority at SERES THERAPEUTICS, INC. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control. The source filing doesn't specify representation authority — whether officers can act individually or must sign jointly to bind the company — so that detail isn't available here.
Group Structure
Group structure of SERES THERAPEUTICS, INC.
SERES THERAPEUTICS, INC. has no recorded parent company — it sits at the top of its own group structure, with 3 subsidiaries recorded beneath it across 3 jurisdictions. Each of these downward relationships is derived rather than filed: resolved by matching entities across the registry network, not stated directly in a single document.
- Seres Therapeutics Netherlands B.V. in liquidatie (Netherlands)
- SERES THERAPEUTICS UK LIMITED (United Kingdom)
- Seres Therapeutics Securities Corporation (United States)
Data availability
Those 3 subsidiaries span United States, Netherlands, United Kingdom jurisdictions, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear.
SERES THERAPEUTICS, INC.
United States
Frequently asked questions
Who owns SERES THERAPEUTICS, INC.?
One shareholder is currently on record for SERES THERAPEUTICS, INC., reflecting the stock ledger maintained under state corporate law (e.g. §219 of the Delaware General Corporation Law) rather than a public filing. The largest of these is Vanguard Group Inc, holding 13.4% — the largest recorded stake. Because the shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.
Who is SERES THERAPEUTICS, INC.'s UBO (Ultimate Beneficial Owner)?
Every shareholder recorded for SERES THERAPEUTICS, INC. is itself a company rather than a natural person, so no Ultimate Beneficial Owner (UBO) is identified at this level; establishing one would require tracing the ownership of each shareholding company in turn.
How many shareholders does SERES THERAPEUTICS, INC. have on record?
1 shareholder is shown on record for SERES THERAPEUTICS, INC..
Is SERES THERAPEUTICS, INC. still an active company?
SERES THERAPEUTICS, INC.'s status on Massachusetts Secretary of the Commonwealth is listed as active.
What is SERES THERAPEUTICS, INC.'s registered address?
The registered address on file for SERES THERAPEUTICS, INC. is Cambridge, United States.
What legal structure is SERES THERAPEUTICS, INC. registered as?
SERES THERAPEUTICS, INC. is registered as a Public Limited Company in United States.
Who are the officers/directors of SERES THERAPEUTICS, INC.?
The President, Ceo & Director of SERES THERAPEUTICS, INC. currently on record is Eric D. Shaff M.b.a.; 15 officers are currently on record for SERES THERAPEUTICS, INC., filed with Massachusetts Secretary of the Commonwealth. Management authority at SERES THERAPEUTICS, INC. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Does SERES THERAPEUTICS, INC. have a parent company or subsidiaries?
SERES THERAPEUTICS, INC. has no recorded parent company — it sits at the top of its own group structure, with 3 subsidiaries recorded beneath it across 3 jurisdictions. Those 3 subsidiaries span United States, Netherlands, United Kingdom jurisdictions, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear.
Can Zavia monitor changes to SERES THERAPEUTICS, INC.'s ownership over time?
This profile reflects a point-in-time snapshot from Massachusetts Secretary of the Commonwealth. Zavia's monitoring API can track changes to SERES THERAPEUTICS, INC.'s registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.
Can I access SERES THERAPEUTICS, INC.'s data through an API?
Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including United States, so records like SERES THERAPEUTICS, INC.'s registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.
Where does this company information come from, and how current is it?
This record is sourced directly from Massachusetts Secretary of the Commonwealth and was last synced on 25 September 2026.