Updated:
Sirios Capital Management
Sirios Capital Management is an SEC-registered investment adviser in Boston, MA, registered since 2012. The firm manages $937 million in assets.
Sirios Capital Management
Sirios Capital Management is an SEC-registered investment adviser in Boston, MA, registered since 2012. The firm manages $937 million in assets. It has 15 employees and 10 investment advisers.
General information
Firm type
Generalist
Year founded
2012
AUM
Undisclosed
Location
Region
North America
Country
United States
City
Boston
Corporate office
Boston, MA, United States
Frequently asked questions
Who runs investment decisions at Sirios Capital Management?
The firm does not publicly name its principals. Its website identifies three functional groups — research, trading, and operations — without listing individual portfolio managers or analysts.
What is Sirios Capital Management's investment strategy?
Altss research classifies Sirios as a generalist growth-equity manager. The firm has not published a strategy letter, white paper, or commentary that would clarify sector tilts, market-cap preferences, or geographic focus.
Does Sirios Capital Management disclose assets under management?
No. Sirios has not made an AUM disclosure in public filings, on its website, or through investor communications. The firm's AUM remains undisclosed.
How does Sirios Capital Management source deal flow?
There is no public information on Sirios's sourcing model. The firm's minimal public presence suggests it may rely on private network-driven origination or direct engagement with existing client capital rather than broad institutional fundraising.
Is Sirios Capital Management a single family office or a traditional asset manager?
Sirios is organized as an asset manager, not a family office. Altss research classifies it as a generalist manager, and its operational structure — research, trading, operations — is consistent with an external investment-management firm serving clients.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
Need institutional-grade insight on registered investment advisers?
Altss delivers:
Prefer a guided tour?
We’ll walk you through: