Tax Readiness — 2026 Private Capital Outlook
As the One Big Beautiful Bill Act cements tax cuts amid a post-election boom, private capital managers scramble to exploit 2026's enhanced deductions before economic headwinds tighten liquidity.
Key takeaways
- •The 2025 passage of the One Big Beautiful Bill Act averted a TCJA sunset, permanently locking in lower rates and deductions that boost after-tax returns for private equity investors starting in 2026.
- •Expanded bonus depreciation and QSBS exclusions reduce effective tax burdens on capital investments, potentially spurring a wave of deals but increasing competition for qualifying assets.
- •Shifts in business interest limitations back to EBITDA calculations alter deal financing, forcing funds to rethink leverage strategies amid rising interest rates.
Private Capital Tax Pivot
The Tax Cuts and Jobs Act of 2017 reshaped U.S. taxation, but its individual provisions were set to expire at the end of 2025, threatening higher rates and reduced deductions. In July 2025, the Republican-led Congress passed the One Big Beautiful Bill Act, signed by President Trump, making many of these cuts permanent and introducing new incentives. This legislation, often abbreviated as OBBBA, directly targets private capital by enhancing tools for tax efficiency in investments.
Private equity firms, venture capitalists, and their investors stand to gain most. The act preserves the 37% top marginal income tax rate, averting a jump to 39.6%, and makes the 20% qualified business income deduction indefinite for pass-through entities common in private funds. Portfolio companies benefit from reinstated 100% bonus depreciation on qualifying assets placed in service after January 19, 2025, allowing immediate write-offs that improve cash flow. For instance, capital-intensive sectors like manufacturing or tech could deduct billions more, fueling expansions.
Impacts ripple through stakeholders. High-net-worth individuals funding private deals see estate and gift tax exemptions rise to $15 million per person in 2026, up from $13.99 million in 2025, easing wealth transfers. Venture capital gains from expanded Section 1202 exclusions for qualified small business stock (QSBS), shortening holding periods for partial gain exclusions and raising asset thresholds to $100 million. This could accelerate exits, with exclusions up to 75% for three-year holds starting in 2027.
Deadlines loom large. Elections for certain deductions must be made by December 31, 2025, and inaction could mean forfeited savings—potentially millions in lost depreciation for delayed investments. Risks include over-leveraging under revised Section 163(j) rules, which revert to EBITDA-based interest deductibility but cap workarounds, exposing funds to disallowed expenses if rates rise. Consequences of poor planning: higher effective taxes eroding returns, with some estimates suggesting a 5-10% hit on IRR for mismanaged portfolios.
Non-obvious tensions emerge. While OBBBA boosts domestic investment, it sidelines international tax reforms, potentially disadvantaging global funds amid U.S.-China trade frictions. Lobbying by private equity giants like Blackstone influenced exclusions of carried interest hikes, but this sparks equity debates—critics argue it widens wealth gaps, as 2024 data showed the top 1% capturing 60% of capital gains. Trade-offs in Opportunity Zones, extended but with new designations from 2027, may redirect capital from urban to rural areas, altering regional growth patterns.
Sources
- https://www.paulhastings.com/insights/client-alerts/one-big-beautiful-bill-act-a-private-equity-perspective
- https://www.eisneramper.com/insights/tax/private-equity-insights-obbba-0725
- https://katten.com/the-OBBBA-act-key-year-end-tax-changes-for-private-wealth-clients
- https://www.irs.gov/newsroom/one-big-beautiful-bill-provisions
- https://warrenaverett.com/insights/one-big-beautiful-bill-private-equity
- https://www.schwab.com/learn/story/one-big-beautiful-bill-act-tax-cuts