Siris
Private equityWest Palm Beach · Growth–Late Stage · 16 people tracked
Also known as Siris Capital Group, Llc
Investment thesis
Siris invests in mature technology companies that provide mission-critical products and services and are facing industry changes or other significant transitions. Founded in 2011, the firm pursues platform equity control investments alongside non-control investments, driving value creation across its portfolio. Siris combines deep technology-sector expertise with active operational involvement, working closely with executive partners and advisors to identify, validate, and operate investment opportunities in the technology, media, and telecommunications space.
Source: firm website, verified Aug 6, 2026.
Team · 16 people
from the firm's websiteWhat they invest in
from 4 of 27 portfolio companiesEnterprise Software ×3Cloud Computing ×2Hardware ×2Advanced Manufacturing ×1AI & Machine Learning ×1Cybersecurity ×1Developer Tools ×1Fintech ×1
HQs:United States×3
Investments · 27 tracked
founders shown can be your intro pathProvider of e-commerce, payments, and logistics SaaS solutions for direct-to-consumer businesses.
International provider of mission-critical shareholder and regulatory technology, formed by the combination of Equiniti and AST.
Ivanti provides integrated IT and security solutions for managing, automating, and protecting IT service management, network security, endpoint management, and exposure management across on-premises, cloud, and hybrid environments.
CybersecurityDeveloper ToolsEnterprise Software
Financial technology provider and pioneer of the virtual data room, serving banking, dealmaking, and capital markets.
Provider of integrated clinical documentation solutions for the U.S. healthcare system.
Provider of collaboration software and services, including web, video, and audio conferencing, serving over 50,000 businesses globally.
Global provider of standards-based unified communications solutions for voice, video, and content sharing.
Provider of security solutions for the mobile enterprise, including VPN and network access control.
Provider of infrastructure-based solutions that keep applications running continuously to prevent downtime.
Provider of signaling and session control systems and software for wireless, wireline, and cable network operators.
Global provider of specialized data communications and interoperability solutions for retailers, banks, and payment processors.
Fund performance · per public LP disclosures · 7
as of Sep 2023| Fund | Vintage | Committed | Net IRR | TVPI | DPI |
|---|---|---|---|---|---|
| Siris VLPs: Minnesota State Board of Investment | 2022 | — | 0.0% | — | — |
| Siris Partners IV LPLPs: Empire State Development – New York Ventures, California Public Employees' Retirement System, California State Teachers' Retirement System +12 more | 2019 | — | — | 1.30x | 0.35x |
| Siris Partners IVLPs: New York City Police Pension Fund | 2018 | — | -9.9% | 0.74x | 0.74x |
| Siris Co-InvestmentLPs: San Diego City Employees' Retirement System | 2015 | — | -64.5% | 0.26x | 0.26x |
| Siris IIILPs: Teachers' Retirement System of Oklahoma | 2015 | — | -0.9% | 0.97x | 0.75x |
| Siris Partners III LPLPs: Florida State Board of Administration, California Public Employees' Retirement System, Los Angeles County Employees Retirement Association +6 more | 2015 | — | -0.6% | 0.99x | 0.77x |
| Siris Partners II, L.P.LPs: San Diego City Employees' Retirement System | 2011 | — | -0.6% | 0.99x | 0.98x |
Source: public limited-partner disclosures (CalPERS, CalSTRS). Net IRR / TVPI / DPI as reported by the limited partner; a fund's early-year IRR is an interim estimate (J-curve).
Frequently asked questions
- What stage does Siris invest at?
- Siris invests at the Growth, Late Stage stages.
- What is Siris's typical check size?
- Siris typically writes checks of $100M – $500M.
- What sectors does Siris focus on?
- Siris focuses on Cloud Computing, Cybersecurity, E-commerce, Enterprise Software, Fintech, Marketing Tech, SaaS.
- Where is Siris located?
- Siris is headquartered in West Palm Beach, US.
- Does Siris lead rounds?
- Yes, Siris leads investment rounds.
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