SIRIS CAPITAL GROUP, LLC
SIRIS CAPITAL GROUP, LLC is a Series C+ and buyout fund in the US writing $100M–$500M checks into technology and technology-enabled-services.
- Stages
- Series C+, buyout
- Sectors
- technology, technology-enabled-services
- Check size
- $100M–$500M
- Invests in
- US-wide
- Round role
- Leads rounds
- Actively investing
- Yes
- Founded
- 2011
- Assets under management
- $7.2B
- Website
- siris.com
Thesis
Siris Capital Group, LLC is a private equity firm founded in 2011, specializing in control-oriented investments within the technology and technology-enabled services sectors. The firm's strategy centers on acquiring and enhancing the value of mature technology companies that offer mission-critical products and services, often facing industry changes or significant transitions. Siris employs an operationally intensive approach, leveraging a team of experienced investors and a network of Executive Partners to drive value creation. Primarily targeting middle-market companies in North America, Siris looks for companies with $10 million to $50 million in EBITDA and transaction values between $100 million and $500 million. Siris seeks companies that can benefit from trends such as increasing cybersecurity complexity, geopolitical uncertainty, and AI-driven data demand. As of December 31, 2025, Siris Capital Group manages approximately $5 billion in assets, with other reports indicating an AUM of $7.2 billion as of March 30, 2023. The firm has raised over $5.9 billion in cumulative committed capital and has raised four institutional funds since its inception.
Common questions
Does SIRIS CAPITAL GROUP, LLC invest at the Series C+ stage?
Yes. SIRIS CAPITAL GROUP, LLC lists Series C+ and buyout among the stages it invests in.
What check size does SIRIS CAPITAL GROUP, LLC write?
SIRIS CAPITAL GROUP, LLC writes $100M–$500M checks.
Where does SIRIS CAPITAL GROUP, LLC invest?
SIRIS CAPITAL GROUP, LLC invests in the US.