ETA vs. Private Equity: Key Differences for Investors
13 min read
Entrepreneurship Through Acquisition (ETA) and traditional private equity (PE) both involve buying and improving businesses, but the similarities largely end there. Deal sizes, fee structures, return profiles, management involvement, and alignment of interests differ in fundamental ways that every investor — and every aspiring operator — should understand before allocating capital. This guide breaks down the structural differences and helps you decide which model fits your investment objectives.
Deal size and market segment
The most immediate distinction is the size of the companies being acquired. Traditional search funds target businesses with $1 million to $5 million in EBITDA, translating to enterprise values of roughly $3 million to $20 million. Self-funded searchers sometimes go even smaller, acquiring businesses with $500,000 to $1.5 million in EBITDA. Private equity firms, by contrast, operate across a wide spectrum, but the mainstream middle-market and upper-market funds target companies with $10 million to $500 million or more in EBITDA, implying enterprise values of $100 million to several billion dollars.
This size difference has profound implications. The small and medium enterprise (SME) market targeted by ETA is vast — there are over 6 million employer businesses in the United States alone, and roughly 10,000 baby-boomer-owned businesses become available for sale every day. PE firms compete intensely for a much smaller universe of larger, institutionally-ready targets. The fragmented nature of the SME market means search fund investors can often acquire businesses at lower multiples (3x to 6x EBITDA) compared to the 8x to 12x or higher multiples common in PE transactions.
Return profiles
The return data strongly favors ETA on an IRR basis. The 2024 Stanford Search Fund Study, which tracks over 500 search funds formed since 1984, reports a median pre-tax IRR of approximately 33% and a mean return on invested capital (ROIC) of 5.2x for acquired companies. The top-quartile search funds deliver IRRs exceeding 50%. Traditional PE, meanwhile, has delivered median net IRRs of approximately 14% to 18% over the past two decades, according to data from Cambridge Associates and Preqin. Top-quartile PE funds achieve roughly 20% to 25% net IRR.
However, context matters. PE returns are generated on much larger capital bases — a 15% IRR on a $5 billion fund produces far more absolute wealth than a 35% IRR on a $500,000 search fund investment. ETA is a high-IRR strategy but not necessarily a high-absolute-return strategy per individual investment. Sophisticated investors often allocate to both: PE for large-scale, diversified exposure and ETA for concentrated, high-IRR alpha.
The J-curve difference
PE funds typically exhibit a pronounced J-curve — investors experience negative returns in years one through three as management fees are drawn and capital is deployed. Returns accelerate in years four through eight as portfolio companies are improved and exited. Search funds have a different shape. The search phase (typically 18 to 24 months) represents a period of modest capital deployment ($400,000 to $600,000 in search capital). Once an acquisition closes, returns begin almost immediately because the acquired business is already cash-flow positive. The J-curve in ETA is shallower and shorter, which contributes to the higher IRR.
Fee structures and alignment
The fee models differ dramatically and directly impact net investor returns.
Private equity: the 2/20 model
- Management fee: PE firms charge an annual management fee of approximately 1.5% to 2.0% of committed capital. On a $1 billion fund, this generates $15 million to $20 million per year in fee revenue — regardless of performance. Over a ten-year fund life, cumulative management fees can consume 15% to 20% of total committed capital.
- Carried interest: GPs earn 20% of profits above a hurdle rate (typically 8% preferred return). While carry aligns interests on the upside, the management fee guarantees substantial GP compensation even in mediocre performance scenarios.
- Transaction and monitoring fees: Many PE firms charge additional fees for deal sourcing, transaction execution, and ongoing portfolio company monitoring. These fees have come under increasing LP scrutiny but remain common.
Search funds: the step-up model
- Search capital: Investors contribute $400,000 to $600,000 to fund the search phase. This capital is at risk — if no acquisition is completed, it is typically lost. In return, search investors receive the right to invest pro rata in the acquisition at a step-up (usually 50%, meaning they receive 1.5x their acquisition investment in equity).
- Searcher equity:The searcher-CEO typically receives 20% to 30% of the acquired company's equity, vesting over four to five years and tied to performance milestones. This equity is earned entirely through operational performance — there are no management fees charged during the search or operating phases.
- No annual fees:Unlike PE, there are no recurring management fees eroding investor returns. The searcher's compensation comes from a modest salary during the search phase and equity upside upon acquisition and exit.
The result is tighter alignment. The searcher earns outsized returns only when investors earn outsized returns. There is no mechanism for the operator to profit substantially from a mediocre outcome — unlike PE, where management fees can make even a below-average fund quite profitable for the GP.
Control and management involvement
In ETA, the investor is backing a single operator who becomes the full-time CEO of the acquired company. This CEO has day-to-day operational control and makes all key decisions — hiring, pricing, strategy, capital allocation. Investors provide governance through a board of directors but are not involved in daily operations. The model is fundamentally a bet on a single individual's ability to lead a specific business.
In PE, the GP firm itself is the active manager. PE firms employ teams of operating partners, analysts, and functional specialists who work with portfolio company management to drive value creation. The CEO of a PE-backed company is a hired executive — important, but replaceable. The institutional knowledge and operational playbook reside within the PE firm, not in any single individual.
This difference creates distinct risk profiles. ETA has higher key-person risk — if the searcher-CEO underperforms or leaves, the investment is severely impaired. PE distributes operational risk across a professional team and a diversified portfolio of companies.
Hold periods and exit strategies
Both ETA and PE typically hold investments for five to seven years, but exit dynamics differ significantly.
- PE exits: Strategic sales to larger companies, secondary buyouts (selling to another PE firm), IPOs, and dividend recapitalizations. PE firms have sophisticated exit processes and dedicated teams managing sale timelines.
- ETA exits: Strategic sales to larger competitors or PE firms, management buyouts, and ESOP conversions. Search fund exits tend to be simpler transactions — the businesses are smaller and the buyer universe includes both strategic acquirers and financial sponsors looking for platform investments.
The Stanford data shows that the median time from acquisition to exit for search funds is approximately six years, closely mirroring the typical PE hold period. However, search fund CEOs often have more flexibility on timing because there is no fund-life expiration forcing a sale. PE funds typically must liquidate all investments within their ten-year fund life (plus extensions), which can lead to suboptimal exit timing.
Portfolio construction and diversification
A PE fund might hold 10 to 20 portfolio companies, providing meaningful diversification. If one or two investments fail entirely, the fund can still deliver acceptable returns from the remaining winners. This diversification is a key selling point for institutional LPs who need predictable return streams.
A search fund investment is, by definition, a single-company bet. Investors who want diversification in ETA must build a portfolio of search fund investments — typically backing 10 to 20 searchers to create a diversified "fund of search funds" approach. Many sophisticated search fund investors follow this strategy, backing multiple searchers per vintage year. The 2024 Stanford study found that investors who backed five or more search funds had a 97% probability of generating positive returns, underscoring the importance of portfolio construction in ETA.
Risk comparison
ETA-specific risks
- Search risk: Approximately 25% to 30% of funded searchers never complete an acquisition, resulting in a total loss of search capital. This risk does not exist in PE.
- Key-person risk: The entire investment depends on a single, often first-time CEO. PE mitigates this through professional management teams and operating partner support.
- Concentration risk: A single business in a single industry with a single operator. There is no diversification at the individual investment level.
- Scale limitations: SMEs are inherently more fragile than larger businesses. They may depend on a few key customers, lack management depth, and have limited access to capital markets.
PE-specific risks
- Leverage risk: PE transactions typically use 60% to 70% debt financing. In downturns, highly leveraged portfolio companies can face covenant breaches and potential bankruptcy. Search fund acquisitions use more moderate leverage (typically 50% to 60% of the purchase price).
- Multiple compression: PE often depends on buying at one multiple and selling at a higher multiple (multiple expansion). If valuation multiples contract — as they did in 2022-2023 — PE returns suffer. ETA returns depend more on operational improvement and less on financial engineering.
- Fee drag: The cumulative impact of management fees, transaction fees, and carried interest can reduce net returns by 5 to 8 percentage points relative to gross returns.
- Vintage year risk: PE fund performance is highly correlated with the economic cycle. Funds that deploy capital at peak valuations systematically underperform.
When PE makes more sense
Private equity is better suited in several scenarios:
- Scale requirements: If you need to deploy $50 million or more, PE is the only practical option. The SME market cannot absorb large capital allocations efficiently.
- Diversification needs: Institutional investors who require diversified exposure to private companies with predictable return distributions should favor PE funds.
- Operational complexity:Businesses that require sophisticated operational improvements — supply chain optimization, international expansion, complex technology integration — benefit from the deep bench of a PE firm's operating team.
- Liquidity preferences: While both are illiquid, PE fund interests are increasingly tradable on the secondary market. Search fund investments have essentially no secondary market.
When ETA outperforms
ETA is likely the superior choice when:
- IRR is the priority:If you are optimizing for the highest possible return per dollar invested, ETA's track record of 33%+ median IRR is difficult to match in any asset class.
- Alignment matters:The absence of management fees and the searcher's concentrated equity position create near-perfect alignment between operator and investor.
- You believe in the operator:ETA is a bet on human capital. If you have conviction in a specific individual's ability to lead and grow a business, ETA provides the purest expression of that conviction.
- Access to deal flow: The SME market is inefficient and fragmented. Searchers who develop proprietary deal flow can acquire businesses at valuations that would be impossible in the competitive PE auction process.
Building a blended allocation
The most sophisticated investors do not choose between ETA and PE — they allocate to both. A typical approach for a family office or high-net-worth individual might be:
- 60% to 70% of private equity allocation to traditional PE funds for diversified, institutional-quality exposure.
- 20% to 30% allocated across 10 to 20 search fund investments per vintage year for concentrated, high-IRR alpha.
- 10% to a search fund accelerator or fund-of-funds for diversified ETA exposure with professional portfolio management.
This blended approach captures the scale and diversification of PE while accessing the superior IRR potential and alignment advantages of ETA. The low correlation between individual search fund outcomes and broader PE market cycles adds genuine diversification benefit to the overall private equity portfolio.