About Long Ridge
Long Ridge is a private equity firm founded in 2007. It is primarily based in New York City, United States. As of Oct 2026, Long Ridge is an active investor with a portfolio of 39 companies, comprising 39 funding rounds and 3 acquisitions. In the last 12 months, it has participated in 6 funding rounds. The firm primarily invests in companies based in United States and United Kingdom. Its portfolio is spread across a wide range of sectors from Enterprise Applications to FinTech. Its latest investment was a $***** PE round in MarketSphere Unclaimed Property Specialists on Aug 20, 2026
Overall Long Ridge portfolio has seen 1 unicorn, 2 IPOs and 12 acquisitions including key companies like Liquidnet, Carson Group and NinjaTrader. A lot of funds co-invest with Long Ridge, with names like DRW Trading Group sharing a substantial percentage of its portfolio.
Long Ridge has a team of 41 people, including 5 partners.
Key Metrics
Founded Year
2007
Location
New York City, United States
Portfolio Sectors
Portfolio Locations
Acquisition Deals
Long Ridge's Portfolio
Long Ridge has a portfolio of 39 companies. They have invested in a total of 39 companies. Their most recent investment was in MarketSphere Unclaimed Property Specialists (PE round) on Aug 20, 2026. Here are the most recent investments by Long Ridge:Date | Company | Round | Amount | Co-Investors |
|---|---|---|---|---|
Aug 20, 2026 | PE | 4983 | - | |
Jul 10, 2026 | PE | 2837 | - | |
Jul 07, 2026 | Series A | 2858 | - | |
May 21, 2026 | Series B | 9861 | - |
Long Ridge has acquired 3 companies. Their most recent acquisition was of Acqueon on Aug 08, 2024. Here are the most recent acquisitions by Long Ridge:
Acquisition Date | Company | Short Description | Total Funding | Founded Year |
|---|---|---|---|---|
Aug 08, 2024 | Revenue Execution Platform empowering B2C enterprises to optimize customer outreach | - | 2007 | |
Mar 13, 2023 | Trading solutions for global banks and hedge funds | $42M | 2003 | |
Sep 28, 2021 | Vendor risk management solutions for businesses & financial institutions | $69.6M | 2003 |
Here is the portfolio snapshot of Long Ridge:
Investments by Year
The maximum number of investments were made in 2020
Acquisitions by Year
The maximum number of acquisitions were made in 2022
Portfolio by Location
Companies are primarily in United States and United Kingdom
Portfolio by Sector
Companies are primarily in Enterprise Applications
Team profile of Long Ridge
Long Ridge has a team of 41 members including 5 Partners and 4 Principals located in United States. Long Ridge's team does not sit on the board of any company as of now.Here is a list of top team members in Long Ridge:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | New York City | - | ||
Partner | New York City | - | - | |
Partner | New Canaan | - | - | |
Partner | - | - | - | |
Principal | New York | - | - | |
Principal | New York City | - | - | |
Principal | New York | - | ||
Principal | New York | - | ||
Advisor | New York City | - | - | |
Advisor | Little Elm | - |
Co-investors of Long Ridge
Over the past 19 years, 10 investors have co-invested in Long Ridge's portfolio companies.
- Top Co-investors of Long Ridge: 10 investors entered a company along with Long Ridge. These include investors like DRW Trading Group (1 company).
Long Ridge News
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MarketSphere Partners with Long Ridge Equity Partners to Accelerate Growth and Technology InnovationGlobeNewswire•Aug 20, 2026•Long Ridge, MarketSphere
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MountainSeed Secures $38 Million Growth InvestmentMetro Atlanta CEO•Jul 11, 2026•MountainSeed, Long Ridge
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GoCharting Announces Growth Investment from Long Ridge EquityTMC•Jul 07, 2026•Long Ridge, GoCharting
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Mara Holdings agrees to acquire Long Ridge Energy & Power from FTAI Infrastructure for $1.5 billionStock Screener•Apr 30, 2026•Marathon Digital Holdings, FTAI Infrastructure, Long Ridge Energy Terminal, Long Ridge and 1 other
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OnCorps AI Secures $55M to Scale Agentic Fund Operations for Asset ManagersAiThority•Dec 11, 2025•Long Ridge, OnCorps, TD Securities, PIMCO and 1 other
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GoTu Secures $45M to Fuel National Expansion of Dental Talent MarketplaceRefresh Miami•Nov 18, 2025•J.P. Morgan Asset Management, Long Ridge
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Pacific Crest Services Secures Minority Growth InvestmentBenzinga•May 01, 2025•SAN DIEGO PACIFIC CREST SERVICES INC, Long Ridge
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Ripjar appoints Tom Obermaier as CEO on majority growth investment from Long RidgeFinextra•Nov 04, 2024•Ripjar, Long Ridge, Citi
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QX Global Group Receives £100M Growth Investment from Long Ridge Equity PartnersFinSMEs•Jul 10, 2024•QX Global Group, Long Ridge, Travers Smith, Choate and 1 other
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Proof Technology: Legal Technology Company Secures $30.4 MillionPulse 2.0•Jan 29, 2024•Proof Technologies, Long Ridge, Blue Heron Capital, LegalTech
