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Ulex Partners
Sean Dennihan's Ulex Partners runs a hybrid equity-and-credit strategy for mid-market software from Austin.
Ulex Partners
Ulex Partners is a private equity firm based in Austin, US. It focuses on venture capital investments.
General information
Firm type
Private Equity
Year founded
—
AUM
Undisclosed
Location
Region
North America
Country
United States
City
Austin
Corporate office
Austin, TX, United States
Principals
Sean Dennihan
Founder & Managing Partner
Michael O'Donnell
Partner
Sector focus
Frequently asked questions
Who runs investment decisions at Ulex Partners?
Sean Dennihan, the firm's founder and managing partner, leads investment decisions alongside partner Michael O'Donnell. Dennihan previously worked in Vista Equity Partners' credit division before launching Ulex. No investment committee beyond the two named partners has been disclosed.
How does Ulex source proprietary deal flow?
Ulex leans on Dennihan's network from Vista's credit ecosystem and Texas-based technology banking circles for sourcing. The firm targets founder-owned mid-market software companies in the US Sunbelt, a segment where relationships with regional operators and bootstrapped founders matter more than broad auction processes. No intermediary-placement data has been published.
Does Ulex invest as a minority or majority shareholder?
Ulex functions as a non-control, structured-capital provider, typically deploying a mix of equity and junior debt. This allows founders to access growth capital and partial liquidity without surrendering operational control. The firm has not disclosed any majority buyout transactions.
What revenue range does Ulex target in a prospective portfolio company?
Ulex targets companies generating between $2 million and $15 million in annual revenue, per the firm's publicly stated criteria. This sits below the threshold of most large-cap technology private equity funds and above the seed-stage venture market, placing Ulex in the lower mid-market growth equity segment.
Which sectors does Ulex explicitly avoid?
Ulex has not published a formal exclusion list, but its portfolio concentration in enterprise software, fintech, and vertical AI suggests it does not invest in hardware, biotechnology, or consumer internet. The firm's credit underwriting also makes pre-revenue or deep-science startups an unlikely fit.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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