Fundraising Fox

Siris

Private equity

West Palm Beach · Growth–Late Stage · 16 people tracked

Also known as Siris Capital Group, Llc

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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 25, 2026.

Stage
Growth–Late Stage
Check
$100M – $500M
HQ
West Palm Beach, NY, US
Leads rounds
Leads
Instruments
Equity
Founded
2011
AUM
$4.8B
Tracked investments
27

Team · 16 people

from the firm's website

What they invest in

from 12 of 27 portfolio companies

Enterprise Software ×5AI & Machine Learning ×4Cloud Computing ×4Hardware ×4Cybersecurity ×3Data & Infrastructure ×2Fintech ×2IoT ×2

HQs:United States×4

Investments · 27 tracked

founders shown can be your intro path
Airvanacommscope.comin𝕏

CommScope provides broadband infrastructure solutions and technologies designed to enable high-speed internet access across urban and rural communities.

Cloud ComputingHardwareHickory, US

Co-investorsMatrix

Bearcombearcom.comin𝕏

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

Constant Contactconstantcontact.com

Randy Parker(Founder)in

Co-investorsBantam GroupCapitalGCincyTechTexas Next CapitalVerizon Ventures

Digital Riverdigitalriver.com

Provider of e-commerce, payments, and logistics SaaS solutions for direct-to-consumer businesses.

Co-investorsAccess Venture PartnersEarlybird Venture CapitalFarol Asset Management

Efiefi.comin𝕏

EFI provides digital printing technology, software, and services for manufacturing and graphics production.

Advanced ManufacturingAI & Machine LearningEnterprise SoftwareHardwareIoTAlmazora, US

Frank Pennisi(Chief Executive Officer)

Co-investorsBlumberg Capital

EQ

International provider of mission-critical shareholder and regulatory technology, formed by the combination of Equiniti and AST.

Equinitiequiniti.comin𝕏

EQ (Equiniti) provides shareholder ownership management services including transfer agent services, equity plan and cap table administration, corporate actions, corporate trust, and proxy solicitation, using a blockchain-enabled technology platform.

Enterprise SoftwareFintechSaaS

Exit Enterprise Mobile Securityivanti.com

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

Gigamongigamon.comin𝕏

Gigamon provides the Deep Observability Pipeline, which delivers optimized traffic, enriched metadata, and network-derived telemetry to eliminate blind spots across hybrid and multi-cloud environments.

Cloud ComputingCybersecurityData & Infrastructure

Shane Buckleyin

Co-investorsSilver Lake Partners

Intralinks

Financial technology provider and pioneer of the virtual data room, serving banking, dealmaking, and capital markets.

Co-investorsCanaan PartnersRho Ventures

Mavenirmavenir.comin𝕏acquired by Mitel Networks

Mavenir builds cloud-native, AI-enabled network software for mobile network operators, supporting their transition toward technology-company operating models.

AI & Machine LearningCloud ComputingEnterprise Software

Co-investorsAugust CapitalCross Creek AdvisorsPartners for GrowthPartners for Growth (PFG)GreenspringNorth Bridge Venture Partners

MModalmmodal.com

Provider of integrated clinical documentation solutions for the U.S. healthcare system.

Co-investorsOne Equity PartnersW Capital Partners

Newfold Digitalnewfold.com

Co-investorsCapitalGNorwest Venture Partners

Penguinsolutionspenguinsolutions.comin𝕏

Penguin Solutions designs, builds, deploys, and manages AI and HPC compute infrastructure, offering its OriginAI factory platform, ClusterWareAI cluster management software, integrated memory solutions, and Stratus fault-tolerant computing platforms.

AI & Machine LearningData & InfrastructureHardware

PGi

Provider of collaboration software and services, including web, video, and audio conferencing, serving over 50,000 businesses globally.

Polycom

Global provider of standards-based unified communications solutions for voice, video, and content sharing.

Co-investorsVedanta Capital

Pulse Securepulsesecure.com

Provider of security solutions for the mobile enterprise, including VPN and network access control.

BoardRV Chng(Founding Partner)

Co-investorsFarol Asset Management

Solventumsolventum.comin𝕏

Solventum is a healthcare company that develops medical solutions, including wound care technology such as Acera Surgical's Restrata product, for surgeons, patients, and the broader healthcare sector.

HealthtechMedical Devices

Stratus
Stratus Technologies

Provider of infrastructure-based solutions that keep applications running continuously to prevent downtime.

Takkiontakkion.com

TAKKION provides logistics and services for the renewable energy industry, including heavy haul, trucking, and crane services to transport shipments across the supply chain from port to installation site.

CleantechEnergyLogistics & Supply Chain

Tekelec

Provider of signaling and session control systems and software for wireless, wireline, and cable network operators.

TNS

Global provider of specialized data communications and interoperability solutions for retailers, banks, and payment processors.

Tnsitnsi.comin𝕏

TNS provides infrastructure-as-a-service solutions for voice protection, financial connectivity, and payment processing across carrier, financial services, and enterprise networks.

Cloud ComputingEnterprise SoftwareFintech

Co-investorsFlow Capital

Tpx Communicationstpx.com

Co-investorsInvestcorpPartners for GrowthPartners for Growth (PFG)

Travelporttravelport.comin

Travelport provides a cloud-based travel commerce platform and APIs (including Travelport+, Smartpoint Cloud, and TripServices) that travel agencies such as OTAs, TMCs, consolidators, and leisure agencies use to search, book, service, and sell airline, hotel, car rental, and rail content.

AI & Machine LearningSaaSTravel & Hospitality

Exits · 1

IPOs and acquisitions across the tracked portfolio

Maveniracq. by Mitel Networks

Portfolio news

latest coverage across their companies
Mavenir Raises $40M In VC Funding | Institutional Investor

Mavenir · inv-dev.institutionalinvestor.com · Dec 30, 2025

Fund performance · per public LP disclosures · 7

as of Sep 2023
FundVintageCommittedNet IRRTVPIDPI
Siris VLPs: Minnesota State Board of Investment20220.0%
Siris Partners IV LPLPs: Empire State Development – New York Ventures, California Public Employees' Retirement System, California State Teachers' Retirement System +12 more20191.30x0.35x
Siris Partners IVLPs: New York City Police Pension Fund2018-9.9%0.74x0.74x
Siris Co-InvestmentLPs: San Diego City Employees' Retirement System2015-64.5%0.26x0.26x
Siris IIILPs: Teachers' Retirement System of Oklahoma2015-0.9%0.97x0.75x
Siris Partners III LPLPs: Florida State Board of Administration, California Public Employees' Retirement System, Los Angeles County Employees Retirement Association +6 more2015-0.6%0.99x0.77x
Siris Partners II, L.P.LPs: San Diego City Employees' Retirement System2011-0.6%0.99x0.98x

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, 1 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 44 tracked co-investors.

Media · Podcasts & interviews

featuring the team

Frank Baker, Co-Founder of Siris Capital, on Why He Moved to the Palm Beaches - YouTube

BDBPBC · Frank Baker

Images

Siris photo

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