INFINITY PHARMACEUTICALS, INC.
INFINITY PHARMACEUTICALS, INC. is a Public Limited Company registered in United States under 000743832, and its current status with Massachusetts Secretary of the Commonwealth is active. The company was incorporated on 25 April 2001 and lists its registered address as Cambridge, United States. 2 shareholders are on record for INFINITY PHARMACEUTICALS, 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 18 September 2026.
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Shareholders
2
Shareholders of INFINITY PHARMACEUTICALS, INC.
Two shareholders are currently on record for INFINITY PHARMACEUTICALS, 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 Guggenheim Active Allocation Fund, holding 51% — a majority holding — followed by Hantz Financial Services, Inc. at 49%. Because every 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.
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| Guggenheim Active Allocation Fund | 51% | Massachusetts Secretary of the Commonwealth | |
| Hantz Financial Services, Inc. | 49% | Massachusetts Secretary of the Commonwealth |
Officers
2
Directors and officers of INFINITY PHARMACEUTICALS, INC.
Two officers are currently on record for INFINITY PHARMACEUTICALS, INC., filed with Massachusetts Secretary of the Commonwealth. Seth A. Tasker J.d. serves as Ceo, Senior Vp, General Counsel & Secretary; Lawrence E. Bloch J.d., M.d. serves as Treasurer. Management authority at INFINITY PHARMACEUTICALS, 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 INFINITY PHARMACEUTICALS, INC.
INFINITY PHARMACEUTICALS, INC. has no recorded parent company — it sits at the top of its own group structure, with 2 subsidiaries recorded beneath it across 1 jurisdiction. 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.
- Infinity Security Corporation (United States)
- Infinity Discovery, Inc. (United States)
Data availability
Those 2 subsidiaries span United States jurisdiction, 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.
INFINITY PHARMACEUTICALS, INC.
United States
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Frequently Asked Questions
Who owns INFINITY PHARMACEUTICALS, INC.?
Two shareholders are currently on record for INFINITY PHARMACEUTICALS, 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 Guggenheim Active Allocation Fund, holding 51% — a majority holding — followed by Hantz Financial Services, Inc. at 49%. Because every 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 INFINITY PHARMACEUTICALS, INC.'s UBO (Ultimate Beneficial Owner)?
Every shareholder recorded for INFINITY PHARMACEUTICALS, 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 INFINITY PHARMACEUTICALS, INC. have on record?
2 shareholders are shown on record for INFINITY PHARMACEUTICALS, INC..
What is INFINITY PHARMACEUTICALS, INC.'s company registration number?
INFINITY PHARMACEUTICALS, INC.'s registration number is 000743832, filed with Massachusetts Secretary of the Commonwealth in United States. Its current status on the register is active.
Is INFINITY PHARMACEUTICALS, INC. still an active company?
INFINITY PHARMACEUTICALS, INC.'s status on Massachusetts Secretary of the Commonwealth is listed as active.
When was INFINITY PHARMACEUTICALS, INC. incorporated?
INFINITY PHARMACEUTICALS, INC. was incorporated on 25 April 2001, according to Massachusetts Secretary of the Commonwealth.
What is INFINITY PHARMACEUTICALS, INC.'s registered address?
The registered address on file for INFINITY PHARMACEUTICALS, INC. is Cambridge, United States.
What legal structure is INFINITY PHARMACEUTICALS, INC. registered as?
INFINITY PHARMACEUTICALS, INC. is registered as a Public Limited Company in United States.
Who are the officers/directors of INFINITY PHARMACEUTICALS, INC.?
Two officers are currently on record for INFINITY PHARMACEUTICALS, INC., filed with Massachusetts Secretary of the Commonwealth. Seth A. Tasker J.d. serves as Ceo, Senior Vp, General Counsel & Secretary; Lawrence E. Bloch J.d., M.d. serves as Treasurer. Management authority at INFINITY PHARMACEUTICALS, INC. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Does INFINITY PHARMACEUTICALS, INC. have a parent company or subsidiaries?
INFINITY PHARMACEUTICALS, INC. has no recorded parent company — it sits at the top of its own group structure, with 2 subsidiaries recorded beneath it across 1 jurisdiction. Those 2 subsidiaries span United States jurisdiction, 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 INFINITY PHARMACEUTICALS, 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 INFINITY PHARMACEUTICALS, 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 INFINITY PHARMACEUTICALS, 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 INFINITY PHARMACEUTICALS, 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 18 September 2026.