Private Equity Lending: Top Firms in 2026

Key Facts

• The private credit market reached $3 trillion in assets under management (AUM) in 2025, growing from $2 trillion in 2020 and projected to approach $5 trillion before the end of the decade.
• Bank loan commitments to private equity and private credit funds grew from approximately $10 billion in 2013 to $300 billion in 2023, nearly 30 times larger in a single decade.
• New York, London, Chicago, and Los Angeles are the four dominant hubs for private equity and private credit lending activity globally.
• Five fund management companies account for approximately $100 billion, or one-third, of all large-bank loan commitments to private funds.
• PE-backed companies default at roughly twice the rate of non-PE-backed companies, according to Moody's 2024 data, making covenant structuring a critical evaluation criterion.
• UK private equity deal-making totaled £63 billion across 305 transactions in 2024, just 7% below the record £68 billion set in 2021.
• Direct lending has displaced traditional bank debt as the primary financing source for middle market leveraged buyouts, with private lenders now competing for large-cap deals alongside major banks.

Market Overview

Private equity lending operates across two distinct channels. The first covers fund-level facilities for general partners (GPs): capital call lines of credit, net asset value (NAV) facilities, and management company revolvers. The second covers acquisition financing for portfolio companies, structured as senior secured term loans, mezzanine debt, revolving credit facilities, and unitranche instruments.

New York and London anchor the global market. Chicago serves as the leading hub for lower middle market sponsor finance, and Los Angeles houses one of the largest private credit platforms. The geographic split reflects strategy: mega-fund GPs and broadly syndicated loan markets cluster in New York and London, while specialty lenders serving the lower middle market operate from regional hubs. Private lending is also expanding internationally, particularly in Europe and Asia, as PE deal activity outside North America accelerates.

Post-2008 regulatory changes, including Basel III and the Dodd-Frank Act, constrained bank appetite for leveraged lending to midsized companies. Regional bank consolidation shifted focus toward larger borrowers, leaving companies with $2 million to $50 million in EBITDA without access to flexible acquisition financing. Private credit funds, business development companies (BDCs), and specialty lenders filled this gap.

The asset class has grown continuously since that structural shift. Today, private lenders compete directly with banks on large-cap transactions. Speed, certainty of execution, and a single set of loan documents give private credit a structural edge over broadly syndicated alternatives.

Firm Comparison

The lending landscape spans integrated credit-equity mega-funds, dedicated direct lending platforms, and bank-affiliated sponsor finance teams. Each segment targets a distinct borrower profile. Lower middle market companies with $2 million in EBITDA have fundamentally different financing needs than large-cap leveraged buyouts requiring hundreds of millions in debt.

Ares and Apollo differentiate themselves through integrated credit and equity platforms. Byline Bank Sponsor Finance occupies a unique position as the most tightly defined specialist lender in the group. Its explicit EBITDA thresholds create consistent deal flow and predictable credit underwriting.

Best by Strategy

Largest Private Credit Platform: Ares Management Corporation — Private lending is the largest sub-asset class within Ares's private debt division, giving it more direct market exposure to sponsored finance than any other firm in this overview.

LBO Financing Pioneer: KKR — Its 1989 acquisition of RJR Nabisco for $31.1 billion defined the leveraged buyout template, and its co-acquisition of TXU for $45 billion in 2007 remains among the largest LBO transactions ever completed.

Credit-Equity Hybrid Leader: Apollo Global Management — Apollo structures transactions across the full capital stack, enabling it to act as both equity sponsor and senior lender within a single deal, a capability few fund managers can replicate at scale.

Top Technology Buyout Lender: Thoma Bravo — Its £4.2 billion acquisition of Darktrace in 2024 demonstrates its capacity to deploy and structure institutional debt capital for large software buyouts.

Strongest Lower Middle Market Lender: Byline Bank Sponsor Finance — With $2 billion deployed and $1.2 billion in senior secured cash flow loans closed, Byline is the most active specialist in PE-backed companies with EBITDA of $2 million to $10 million.

Growth Equity Leader Without Leverage: General Atlantic — As a dedicated growth equity firm focused on minority investments, General Atlantic provides institutional capital to expansion-stage businesses without the acquisition debt that defines traditional leveraged buyouts.

Global Platform Reach: Blackstone Inc. — Ranked first in global PE fundraising rankings in 2024, Blackstone's credit business spans senior loans, mezzanine, and distressed strategies, offering borrowers access to one of the deepest institutional lending platforms in the world.

Leading Private Equity and Private Credit Lenders

Ares Management Corporation

Ares sits at the center of the institutional private lending market, where direct lending is the firm's single largest activity by volume within its private debt business. Based in Los Angeles, Ares scaled its platform as post-2008 bank retreat left a growing supply of middle market companies without access to flexible acquisition financing. The firm lends across the full capital stack, from senior secured facilities to subordinated debt.

Its institutional balance sheet allows it to hold large positions without requiring syndication. For PE sponsors running competitive auction processes, this single-counterparty structure reduces closing risk compared to bank syndication alternatives. LPs evaluating private credit allocations find in Ares the most direct institutional exposure to sponsored direct lending at scale.

Apollo Global Management

Apollo's defining characteristic is its deliberate integration of private equity and private credit into a single operating model. Headquartered in New York, it structures transactions across the capital stack, able to serve as equity sponsor, senior lender, or mezzanine provider within the same deal. This hybrid approach gives portfolio companies continuous capital access without triggering the refinancing events that standard PE fund structures require.

Apollo's distressed debt capabilities extend its reach into restructurings and special situations when conventional lenders step back. Borrowers seeking one counterparty that understands both equity upside and debt repayment find Apollo's combined model particularly efficient in time-sensitive transactions.

KKR (Kohlberg Kravis Roberts)

KKR's two landmark transactions bracket the entire history of large-scale leveraged buyout financing. Its 1989 acquisition of RJR Nabisco for $31.1 billion established the debt financing template that defined an era of corporate buyout activity. The co-acquisition of TXU for $45 billion in 2007 remains a benchmark for large-cap LBO debt structuring.

Today, KKR operates across buyout, growth equity, and credit. Its credit platform provides direct loans and leveraged loan products to PE-backed companies. Long relationships with major banks give the firm preferential access to syndicated loan markets when a single transaction exceeds its preferred hold size.

Blackstone Inc.

Blackstone holds the top position in global PE fundraising rankings, a standing it has maintained through multiple market cycles. Headquartered in New York, its credit and insurance business spans senior loans, mezzanine financing, and distressed strategies. Deal teams have access to the broadest institutional debt toolkit among buyout-focused GPs.

The firm's scale enables it to anchor financing for the largest buyout transactions globally, often co-investing alongside banks and other credit funds. For LPs constructing diversified alternatives portfolios, Blackstone's combined exposure to real estate, buyout, growth equity, and private credit provides multiple return profiles through a single GP relationship. Its position across equity and lending capital markets defines the integrated mega-fund model.

Thoma Bravo

Thoma Bravo validated its debt financing capabilities with the £4.2 billion acquisition of cybersecurity company Darktrace in 2024. Ranked seventh in global PE fundraising rankings and based in San Francisco, the firm focuses exclusively on enterprise software and technology companies. This narrow focus produces a deal flow profile that institutional lenders can underwrite with consistent assumptions about recurring revenue and churn.

Its buy-and-build strategy combines initial platform acquisitions with add-on bolt-ons, creating recurring demand for acquisition financing and incremental revolving credit facilities. Software founders operating businesses above $10 million in annual recurring revenue encounter Thoma Bravo most frequently as a potential acquirer. Its financing structures set the market standard for software-specific debt terms.

General Atlantic

General Atlantic's growth equity model operates without acquisition debt, making its capital deployment philosophy a clear counterpoint to leveraged buyout financing. Headquartered in New York and ranked 15th in global PE fundraising rankings, the firm provides minority equity to mature, profitable companies needing expansion capital without a change of control. Its investment thesis concentrates on technology, healthcare, and financial services.

General Atlantic's international footprint gives backed companies access to growth resources across North America, Europe, and Asia. Founders who have scaled past the venture capital stage and need $50 million or more to enter new markets find it a structurally different option from leveraged buyout sponsors. The absence of acquisition debt also eliminates one of the key default risk factors cited in Moody's 2024 analysis.

Byline Bank Sponsor Finance

Byline Bank Sponsor Finance has deployed $2 billion in capital exclusively to lower middle market PE-backed companies, closing $1.2 billion in senior secured cash flow loans over nearly a decade. The firm targets companies with EBITDA between $2 million and $10 million, a segment many larger lenders have abandoned in pursuit of higher deal volumes. Headquartered in Chicago with offices in Charlotte, North Carolina, it is the most active specialist in this segment.

Byline holds positions on its own balance sheet rather than syndicating, so terms set at signing remain intact at closing regardless of credit market conditions. Its flat organizational structure gives PE sponsors direct access to senior decision-makers, compressing underwriting timelines when transaction deadlines are tight. Recent transactions include financing for Wincove Platform's acquisition of Puroflux Corporation, Emko Capital's acquisition of LHM Technologies, and Prospect Partners' add-on acquisitions through Extera Building Solutions.

Investment Trends in Private Credit and PE Finance

Direct Lending Overtaking Bank Debt in the Middle Market

Private credit grew from $2 trillion in 2020 to $3 trillion in 2025. Over that same period, bank loan commitments to private funds grew from $10 billion to $300 billion. The competitive dynamic has shifted from private lenders filling gaps left by banks to actively competing for the same large-cap transactions.

Speed and certainty of execution distinguish private credit from broadly syndicated leveraged loans. No public syndication, a single counterparty, and unified loan documentation reduce transaction complexity. These structural advantages are increasingly decisive in competitive auction processes.

Fund-Level Facilities Becoming Standard GP Tools

Capital call lines of credit and NAV facilities have moved from specialist products to standard instruments in institutional fund management. Capital call lines let GPs bridge timing differences between acquisitions and incoming LP capital contributions, reducing the need to draw capital prematurely. NAV facilities, used later in a fund's lifecycle, provide revolving credit secured against the existing portfolio's value.

Both products are now offered by commercial banks, community banks, and specialty fund finance lenders. This competition has improved pricing and terms for institutional borrowers.

Regulatory Scrutiny of Bank-Fund Lending Relationships

A 2025 federal banking supervisory review identified the growing opacity of bank lending to private funds as a systemic monitoring priority. Large US banks with more than $100 billion in assets extended $300 billion in fund-level loan commitments to private funds in 2023, representing approximately 14% of their total commitments to non-bank financial institutions. Five fund management companies alone account for one-third of these commitments.

That concentration level has drawn closer regulatory examination under Federal Reserve stress testing frameworks. The systemic implications of this concentration remain an active area of supervisory focus.

Covenant Structures and Default Risk

LBO debt ratios have declined from approximately 70% of purchase price in 2005 to approximately 50% in 2020, yet PE-backed company default rates remain elevated relative to non-sponsored peers. Moody's 2024 data placed PE-backed defaults at roughly twice the non-PE-backed rate, a gap attributable to residual leverage and aggressive acquisition multiples. Covenant-lite loan structures remove maintenance tests and delay early warning signals, increasing lender exposure when holdings miss EBITDA targets.

Intercreditor agreements and subordination terms have become central negotiating points in competitive unitranche lending markets.

Non-Sponsored Direct Lending Expanding the Addressable Market

Private lenders are increasingly sourcing deal flow from direct relationships with management teams at founder-owned and independently held companies, bypassing PE sponsors entirely. Non-sponsored direct lending typically produces higher yields than sponsored finance, reflecting the absence of PE sponsor oversight and the smaller loan sizes involved. Ares and other large direct lenders have built dedicated origination teams for this segment, expanding their addressable market beyond PE-dependent deal flow.

How to Evaluate Private Credit Lenders

Track record is the most reliable signal of lender quality. Review transactions closed in your target EBITDA range and the percentage held on the lender's balance sheet versus syndicated to other institutions. Lenders that syndicate frequently introduce execution risk when credit markets tighten between signing and closing.

Sector expertise shapes underwriting quality more than lender size. A credit fund with deep experience in technology buyout transactions applies more relevant assumptions to a software company's recurring revenue model than a generalist lender working from industrial cash flow templates. Mismatched sector knowledge produces conservative leverage decisions that reduce deal returns.

Fund size alignment eliminates many lenders before the first conversation. If a transaction requires $75 million in senior debt, a lender with a $20 million preferred hold size will require syndication, introducing market risk. Confirming hold size against transaction requirements before engaging on credit terms saves weeks in competitive processes.

For LPs evaluating private credit fund managers, assess the ratio of sponsored to non-sponsored deal flow. Funds sourcing more than 80% of volume from PE sponsors carry lower credit risk on average but face earnings volatility when buyout activity slows. Funds with meaningful non-sponsored origination provide more stable capital deployment across market cycles.

For founders approaching a PE-backed transaction, request a full capital stack overview before signing a term sheet. The difference between a unitranche structure and a split first lien/second lien arrangement affects future refinancing flexibility. Intercreditor negotiations arising from add-on acquisitions add further complexity when the wrong structure is in place.

Which PE Firm Fits Your Needs?

Founders approaching a leveraged buyout or recapitalization with EBITDA between $2 million and $10 million should begin with Byline Bank Sponsor Finance. It has built its entire business model around this segment and holds loans on balance sheet rather than syndicating, providing certainty from term sheet to close. No other lender in this overview has deployed capital with comparable consistency at that EBITDA range.

For companies above that threshold, Ares Management and Apollo offer the deepest direct lending capacity. Both carry institutional balance sheets that can hold large positions without dependence on syndication market conditions. Ares provides the broadest direct lending platform; Apollo adds integrated equity co-investment access for LPs who want both debt yield and upside participation within a single GP relationship.

PE sponsors pursuing enterprise software acquisitions should review Thoma Bravo's financing structures as a benchmark for software-specific lending terms, particularly on recurring revenue and churn assumptions. Independent sponsors and family office GPs in the lower middle market will find Byline Bank Sponsor Finance the most operationally responsive option in their segment, with nearly a decade of consistent execution and a flat structure that provides direct access to senior credit decision-makers from first call to close.

Methodology

This overview of private equity lending covers firms operating across fund-level credit facilities, portfolio company acquisition financing, and direct lending. Firms were selected based on market position, deal volume data, and segment specialization documented in regulatory filings and publicly disclosed transaction records. Market statistics draw on federal banking supervisory data, alternatives market research, and fund performance databases current through 2025. The firm ranking order references the 2024 global PE fundraising rankings for context on institutional scale. All deal sizes and transaction figures cited are drawn from disclosed public sources. AUM figures for individual firms were omitted where no verified data was available in the source materials.