Siris
Private equityWest Palm Beach · Growth–Late Stage · 18 people tracked
Also known as Siris Capital Group, Llc
Find your way into Siris
8,832 people in our graph share verified history with the Siris team — schools, employers, funds. One of them is your warm intro.
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 Sep 1, 2026.
Team · 18 people
from the firm's website & public directories
What they invest in
from 12 of 27 portfolio companiesEnterprise Software ×7Cloud Computing ×5AI & Machine Learning ×4Hardware ×4Cybersecurity ×3Data & Infrastructure ×3IoT ×3SaaS ×3
HQs:United States×6United Kingdom×1
Investments · 27 tracked
founders shown can be your intro pathOracle sells enterprise database software, applications and cloud infrastructure, and has grown through large acquisitions including PeopleSoft, Siebel and Sun Microsystems.
Austin, US
Diego Pantoja-Navajas(Executive Officer, Director)MICHAEL CASEY(Executive Officer)ARUN MURUGAN(Executive Officer)
BoardJAMES S. DOUGLASS(Director)inPRITAM ADVANI(Director)AARON KOWAN(Director)
Co-investorsAdvancit CapitalAkkadian VenturesAlliance VCAlliance VentureBessemer Venture PartnersElevate Ventures+20 more
BearCom provides integrated voice, security, and data communication solutions, including two-way radio systems, video surveillance, access control, and Private LTE/wireless networks for organizations across industries such as aerospace, utilities, and hospitality.
CybersecurityHardwareIoT
Randy Parker(Founder)in
Co-investorsBantam GroupCapitalGCincyTechTexas Next CapitalVerizon Ventures
Provider of e-commerce, payments, and logistics SaaS solutions for direct-to-consumer businesses.
Co-investorsAccess Venture PartnersAlpine MeridianEarlybird Venture CapitalFarol Asset Management
EFI provides digital printing technology, software, and services for manufacturing and graphics production.
Advanced ManufacturingAI & Machine LearningEnterprise SoftwareHardwareIoTAlmazora, US
Efraim "Efi" Arazi(Founder)Frank Pennisi(Chief Executive Officer & Chief Product Officer)in
Co-investorsBlumberg Capital
International provider of mission-critical shareholder and regulatory technology, formed by the combination of Equiniti and AST.
Equiniti (EQ) provides shareholder engagement and ownership management services to public companies, private equity firms, and mutual funds, including transfer agent services, equity plan administration, corporate trust, and proxy solicitation across the company lifecycle.
Enterprise SoftwareFintechSaaSUK, GB
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
Srinivas Mukkamalain
Co-investorsEastlink Capital PartnersFarol Asset ManagementStorm VenturesSun Mountain Capital
Gigamon delivers network-derived telemetry and traffic optimization for hybrid and multi-cloud environments, serving security, observability, analytics, and AI platforms.
Cloud ComputingCybersecurityData & Infrastructure
Shane Buckleyin
Co-investorsSilver Lake Partners
Financial technology provider and pioneer of the virtual data room, serving banking, dealmaking, and capital markets.
Co-investorsCanaan PartnersRho Ventures
Mavenir develops cloud-native, AI-by-design software for mobile network operators, supporting the transition to automated, programmable telecom networks.
AI & Machine LearningCloud ComputingEnterprise SoftwareSaaS
Co-investorsAugust CapitalCross Creek AdvisorsPartners for GrowthPartners for Growth (PFG)GreenspringNorth Bridge Venture Partners
Provider of integrated clinical documentation solutions for the U.S. healthcare system.
Co-investorsOne Equity PartnersW Capital Partners
Co-investorsCapitalGNorwest Venture Partners
Penguin Solutions provides memory and AI infrastructure software and systems for enterprises and cloud providers building AI deployments.
AI & Machine LearningCloud ComputingData & InfrastructureHardwareIoT
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.
Co-investorsVedanta Capital
Provider of security solutions for the mobile enterprise, including VPN and network access control.
BoardRV Chng(Founding Partner)
Co-investorsFarol Asset Management
Provider of infrastructure-based solutions that keep applications running continuously to prevent downtime.
TAKKION provides comprehensive service and support for renewable energy organizations across North America, covering project development, installation, and maintenance throughout the energy lifecycle.
Advanced ManufacturingCleantechConstruction TechEnergyEnterprise SoftwareLogistics & Supply ChainWyoming, US
Pete Bierden(CEO)in
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.
TNS provides mission-critical infrastructure-as-a-service solutions to financial organizations, telecom enterprises, and payment providers across more than 60 countries through three distinct business markets.
Cloud ComputingData & InfrastructureEnterprise SoftwareFintechReston, US
Mike Keegan(Chief Executive Officer)inMark Cole(Chief Digital Infrastructure Officer)inJim McLaughlin(General Counsel and Secretary)Michael Johnson(Global Managing Director, Payments Market Business)inTom Lazenga(President, Waypoint Trading Solutions)inSeth Walton(General Manager, Communications Market Business)in
Co-investorsFlow Capital
Co-investorsInvestcorpPartners for GrowthPartners for Growth (PFG)
TripServices is Travelport's cloud-native API platform for AI-driven travel, designed to help travel companies, OTAs, travel management companies, and agencies build, book, and scale travel products through a unified connection to flights and accommodations content.
AI & Machine LearningEnterprise SoftwareSaaSTravel & Hospitality
Exits · 2
IPOs and acquisitions across the tracked portfolioDatalogixNYSE: ORCLMaveniracq. by Mitel Networks
Portfolio news
latest coverage across their companiesMavenir · inv-dev.institutionalinvestor.com · Dec 30, 2025
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
- How many investments has Siris made?
- Siris has 27 tracked investments, 2 of which have exited via acquisition or IPO.
- 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.
- Who does Siris co-invest with?
- Siris most often shares deals with Farol Asset Management, CapitalG, Norwest Venture Partners, among 49 tracked co-investors.
Media · Podcasts & interviews
featuring the teamFrank Baker, Co-Founder of Siris Capital, on Why He Moved to the Palm Beaches - YouTube
BDBPBC · Frank Baker
Images
Similar investors
Norwest Venture Partners is an investment firm whose growth equity team backs private, profitable, fast-growing companies, providing capital and hands-on support through its 'invited guest' approach.
Summit Partners is a growth investing firm that backs category-leading companies across technology, healthcare and life sciences, and growth products and services, providing capital and resources to support their expansion.
Tenaya Capital is a venture capital firm that partners with entrepreneurs building enduring companies, focusing on growth-stage investments.
Second Alpha Partners makes secondary investments in private technology, media and telecommunications companies, purchasing shares from existing shareholders and participating in debt conversions, restructurings, recapitalizations and pay-to-play financings.
Cheyenne Ventures is a growth/expansion-stage venture capital firm that provides flexible equity financing, leading investments or joining syndicates alongside top-tier VCs. It backs founder-driven companies in AI infrastructure, cybersecurity, cloud, SaaS, consumer, and health innovation.