Investments
10Portfolio Exits
8Funds
3Service Providers
3About Siris Capital
Siris Capital is a private equity firm focused on making control investments in data, telecommunications, technology and technology-enabled business service companies in North America.

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Latest Siris Capital News
Jun 22, 2023
All 11 Nominated Directors Elected Nasdaq Board Re-elects Adena T. Friedman as Chair of the Board NEW YORK, June 22, 2023 (GLOBE NEWSWIRE) -- Nasdaq, Inc. (Nasdaq: NDAQ) shareholders elected all nominated directors at the company’s Annual Meeting of Shareholders on Wednesday, June 21, 2023. All directors will serve one-year terms. The elected board members are: Melissa M. Arnoldi, EVP and Chief Customer Officer, AT&T Consumer Charlene T. Begley, Retired SVP & CIO, General Electric Company Steven D. Black, Former Co-CEO, Bregal Investments Adena T. Friedman, Chair and CEO, Nasdaq Essa Kazim, Governor, Dubai International Financial Centre and Chairman, Borse Dubai Thomas A. Kloet, Retired CEO & Executive Director, TMX Group Limited Michael R. Splinter, Retired Chairman and CEO, Applied Materials, Inc. Johan Torgeby, President and CEO, Skandinaviska Enskilda Banken (SEB) Toni Townes-Whitley, CEO-Elect, Science Applications International Corporation (SAIC) Jeffery W. Yabuki, Chairman and Founding Partner, Motive Partners Alfred W. Zollar, Executive Advisor, Siris Capital Group, LLC The Nasdaq Board of Directors re-elected Adena T. Friedman as Chair of the Board for a one-year term. Nasdaq shareholders also approved the following proposals: The company’s executive compensation on an advisory basis; An advisory vote to conduct future advisory votes on the company’s executive compensation every year; and Ratification of the appointment of Ernst & Young LLP as Nasdaq’s independent registered public accounting firm for the fiscal year ending December 31, 2023. The shareholders did not approve a shareholder proposal requiring the positions of Chair of the Board and CEO to be held by different individuals. For additional information on Nasdaq’s corporate governance, please visit: https://ir.nasdaq.com/corporate-governance/nasdaq-inc/board-of-directors . About Nasdaq: Nasdaq (Nasdaq: NDAQ) is a leading global technology company serving corporate clients, investment managers, banks, brokers, and exchange operators as they navigate and interact with the global capital markets and the broader financial system. We aspire to deliver world-leading platforms that improve the liquidity, transparency, and integrity of the global economy. Our diverse offering of data, analytics, software, exchange capabilities, and client-centric services enables clients to optimize and execute their business vision with confidence. To learn more about the company, technology solutions and career opportunities, visit us on LinkedIn , on Twitter @Nasdaq , or at www.nasdaq.com . Nasdaq Media Contacts:
Siris Capital Investments
10 Investments
Siris Capital has made 10 investments. Their latest investment was in Mavenir as part of their Private Equity - II on May 5, 2023.

Siris Capital Investments Activity

Date | Round | Company | Amount | New? | Co-Investors | Sources |
---|---|---|---|---|---|---|
5/2/2023 | Private Equity - II | Mavenir | $100M | Yes | Siris Capital, and Undisclosed Investors | 11 |
4/4/2023 | Private Equity - II | Travelport | $200M | No | 1 | |
2/16/2022 | Private Equity - V | TPx Communications | $70M | Yes | 1 | |
7/28/2021 | Series A | |||||
6/5/2020 | Private Equity |
Date | 5/2/2023 | 4/4/2023 | 2/16/2022 | 7/28/2021 | 6/5/2020 |
---|---|---|---|---|---|
Round | Private Equity - II | Private Equity - II | Private Equity - V | Series A | Private Equity |
Company | Mavenir | Travelport | TPx Communications | ||
Amount | $100M | $200M | $70M | ||
New? | Yes | No | Yes | ||
Co-Investors | Siris Capital, and Undisclosed Investors | ||||
Sources | 11 | 1 | 1 |
Siris Capital Portfolio Exits
8 Portfolio Exits
Siris Capital has 8 portfolio exits. Their latest portfolio exit was Stratus Technologies on June 29, 2022.
Date | Exit | Companies | Valuation Valuations are submitted by companies, mined from state filings or news, provided by VentureSource, or based on a comparables valuation model. | Acquirer | Sources |
---|---|---|---|---|---|
6/29/2022 | Acquired | 14 | |||
Date | 6/29/2022 | ||||
---|---|---|---|---|---|
Exit | Acquired | ||||
Companies | |||||
Valuation | |||||
Acquirer | |||||
Sources | 14 |
Siris Capital Acquisitions
16 Acquisitions
Siris Capital acquired 16 companies. Their latest acquisition was Equiniti on December 10, 2021.
Date | Investment Stage | Companies | Valuation Valuations are submitted by companies, mined from state filings or news, provided by VentureSource, or based on a comparables valuation model. | Total Funding | Note | Sources |
---|---|---|---|---|---|---|
12/10/2021 | Other | Take Private | 3 | |||
7/8/2021 | Acq - Fin | |||||
8/19/2019 | Private Equity | $284M | Acq - Fin | 4 | ||
7/23/2019 | ||||||
5/30/2019 | Private Equity |
Date | 12/10/2021 | 7/8/2021 | 8/19/2019 | 7/23/2019 | 5/30/2019 |
---|---|---|---|---|---|
Investment Stage | Other | Private Equity | Private Equity | ||
Companies | |||||
Valuation | |||||
Total Funding | $284M | ||||
Note | Take Private | Acq - Fin | Acq - Fin | ||
Sources | 3 | 4 |
Siris Capital Fund History
3 Fund Histories
Siris Capital has 3 funds, including Siris Partners IV.
Closing Date | Fund | Fund Type | Status | Amount | Sources |
---|---|---|---|---|---|
3/1/2019 | Siris Partners IV | Buyouts & Acquisitions | Closed | $3,450M | 5 |
2/13/2015 | Siris Partners III LP | ||||
12/11/2012 | Siris Partners II LP |
Closing Date | 3/1/2019 | 2/13/2015 | 12/11/2012 |
---|---|---|---|
Fund | Siris Partners IV | Siris Partners III LP | Siris Partners II LP |
Fund Type | Buyouts & Acquisitions | ||
Status | Closed | ||
Amount | $3,450M | ||
Sources | 5 |
Siris Capital Service Providers
4 Service Providers
Siris Capital has 4 service provider relationships
Service Provider | Associated Rounds | Provider Type | Service Type |
---|---|---|---|
Take Private, and Acq - Fin | Investment Bank | Financial Advisor | |
Service Provider | |||
---|---|---|---|
Associated Rounds | Take Private, and Acq - Fin | ||
Provider Type | Investment Bank | ||
Service Type | Financial Advisor |
Partnership data by VentureSource
Siris Capital Team
1 Team Member
Siris Capital has 1 team member, including current Chief Operating Officer, Elias Mendoza.
Name | Work History | Title | Status |
---|---|---|---|
Elias Mendoza | Xerox, Union Square Advisors, IBM, and Morgan Stanley | Chief Operating Officer | Current |
Name | Elias Mendoza |
---|---|
Work History | Xerox, Union Square Advisors, IBM, and Morgan Stanley |
Title | Chief Operating Officer |
Status | Current |
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