Data sourced from Dakota Marketplace, the global LP and GP intelligence platform trusted by thousands of investment professionals. Learn More | Book a Demo
San Diego doesn’t live in Los Angeles's shadow, and the numbers show why. The metro's economy runs on advanced manufacturing, biotechnology, and defense and aerospace, a combination that gives it real staying power beyond its reputation as a coastal lifestyle destination. Add a business-friendly regulatory environment and increasingly deep capital markets, and it's easy to see why "America's Finest City" has become one of the country's fastest-rising hubs for life sciences breakthroughs, and a magnet for the private equity firms betting on that growth.
Dakota Marketplace gives investment professionals a single platform for private equity intelligence, with real-time data, manager coverage, and performance insights built to support confident decision-making.
Below, we rank the ten leading private equity firms in the San Diego metro by AUM using current Dakota Marketplace data, along with a look at their strategies and where they're putting capital to work.
1. StepStone Group
Overview: StepStone Group is a global private markets investment firm headquartered in La Jolla, with $709 billion in capital responsibility and $189 billion in firmwide AUM (as of March 2025), of which approximately $8.2 billion is Dakota-tracked. With 28 offices and over 1,130 professionals, it offers customized investment and advisory solutions across private equity, private debt, real estate, and infrastructure.
Focus: StepStone's strategy spans fund investments, secondaries, co-investments, and directs across private markets. Its private equity platform creates tailored portfolios that adapt to market cycles, leveraging deep sector expertise and analytics, with a global footprint across the Americas, Europe, and Asia-Pacific.
2. LLJ Ventures
Overview: LLJ Ventures is the private equity arm of the LM Group, a San Diego-based investment platform founded in 1983, managing approximately $7.0 billion in AUM across the broader group. The firm sits alongside LM Capital (institutional fixed income) and LM Advisors (high net worth families) within the LM Group structure.
Focus: LLJ Ventures pursues opportunistic real estate private equity investments across multifamily, hospitality, retail, office, and self-storage properties, using value-add and opportunistic risk strategies to maximize risk-adjusted returns primarily within the United States.
3. Bridgewest Group
Overview: Bridgewest Group is a privately held global investment firm headquartered in San Diego and founded in 1999, managing over $3 billion in private capital. It focuses on nurturing and scaling transformational businesses in sectors like life sciences, software, semiconductors, AI/deep tech, finance, and real estate.
Focus: Bridgewest concentrates its efforts on four core technology-driven sectors: life sciences, software, semiconductors, and artificial intelligence. Its investment lifecycle encompasses everything from idea incubation to company maturity, leveraging its global ecosystem, including its Bridgewest Ventures New Zealand incubator, to launch and scale ventures.
4. Sweetwater Private Equity
Overview: Sweetwater Private Equity is an Encinitas, California-based investment firm managing approximately $1.58 billion in AUM, specializing in private equity fund investments, co-investments, and secondaries. Founded in 2020, the firm seeks to provide differentiated access to lower middle-market opportunities by partnering with top-tier sponsors.
Focus: Sweetwater focuses on U.S.-based lower middle-market companies, typically targeting inefficient segments of the private equity landscape overlooked by larger investors. Its investment strategy centers on sourcing compelling fund managers, executing co-investments alongside those sponsors, and acquiring secondary interests in established funds.
5. Seaside Equity Partners
Overview: Seaside Equity Partners is a San Diego-based private equity firm managing approximately $1.37 billion in AUM, focused on making control investments in founder-, family-, and entrepreneur-owned companies across the Western U.S. The firm is growth-oriented and seeks to build sustainable equity value through true partnership and operational engagement.
Focus: Seaside targets companies providing mission-critical services with EBITDA of up to $15 million, concentrated in the Western United States with no geographic limitations for add-on acquisitions. It operates two fund strategies: the Flagship Fund, targeting platforms with $3-15M EBITDA, and the Navigator Fund, targeting $1-3M EBITDA companies historically underserved by private equity.
6. Castle Creek Capital
Overview: Castle Creek Capital is an alternative asset management firm managing approximately $1.14 billion in AUM, specializing in the community banking industry. Headquartered in San Diego and Dallas, the firm has been an active investor in this space since 1990, managing eight private equity funds and multiple special situations vehicles.
Focus: Castle Creek targets undervalued or underappreciated assets in the community banking and financial services sectors, where inefficiencies and limited competition allow for attractive pricing. The firm does not participate in auctions but proactively sources investments it wants to own, emphasizing operational improvements, KPI tracking, and strategic governance through its operating partner model.
7. Accord Asset Partners
Overview: Accord Asset Partners is a U.S.-based private equity firm managing approximately $750 million in AUM, focused on delivering value to both investors and management teams by providing growth capital, operational expertise, and strategic partnership. With over 50 years of combined entrepreneurial and operational experience, Accord brings a hands-on, empathetic approach to investing.
Focus: Accord targets control buyout transactions involving U.S.-headquartered businesses with $1-15 million in EBITDA and clear, actionable growth opportunities, particularly well-suited for businesses seeking first-time institutional capital, including founder-led or management-led companies.
8. Sancus Capital Group
Overview: Sancus Capital Group is a La Jolla-based private equity firm founded in 2017 by Justin Crane, managing approximately $668 million in AUM. Operating as an independent private equity sponsor rather than a committed-fund manager, Sancus partners with institutional investors, family offices, SBIC funds, and other private equity firms on a deal-by-deal basis.
Focus: Sancus targets lower middle-market and middle-market, family-owned and founder-led businesses in the U.S. and Canada, across sectors including branded consumer products, business services, consumer services, e-commerce, financial services and fintech, healthcare services, niche manufacturing, and specialty packaging. The firm has flexibility to structure control, non-control, common equity, preferred equity, and subordinated debt investments.
9. Verde Equity Partners
Overview: Verde Equity Partners is a San Diego-based private investment firm managing approximately $500 million in AUM, with a mission to acquire commercial landscaping companies across the Western U.S. The team brings hands-on operational experience, having previously owned and operated landscaping businesses themselves.
Focus: Verde targets commercial landscape maintenance companies, with a strong preference for those driven by maintenance revenue rather than construction or design. They are flexible on deal size, typically investing in companies with $300k to $5M in EBITDA, with a geographic emphasis tightly concentrated on the Western United States, particularly within a two-hour flight radius of San Diego.
10. Karmel Capital
Overview: Karmel Capital is a Solana Beach, California-based private equity firm founded in 2013 by two experienced technology investors, managing approximately $350 million in AUM. The firm specializes in acquiring equity stakes through transactions with existing shareholders, dedicated to investing in high-growth, privately held enterprise software companies.
Focus: Karmel Capital focuses exclusively on disruptive technologies, particularly within enterprise software. Its portfolio includes companies such as CoreWeave, Algolia, Intercom, and Attentive. The firm targets high-growth opportunities where transformative technology is reshaping industries, partnering with management teams to accelerate value creation.
