Private Equity: Buyouts, Fees, and Fund Returns

Key Takeaways

• Private equity uses leveraged buyouts to acquire mature companies, run them through operational changes, then sell; typical hold periods are five to ten years.
• Buyout funds have historically outperformed the S&P 500 by roughly 3–4% per year net of fees, but that advantage concentrates in top-quartile managers.
• Investors frequently compare PE IRRs to public market returns directly, which is misleading, use a Public Market Equivalent because IRRs are sensitive to cash-flow timing.
• The J-curve means PE investments show negative early returns as fees outpace distributions; a diversified program running multiple vintages smooths this pattern.

What It Is

Private equity (PE) is an umbrella term covering several distinct strategies.

Leveraged buyouts (LBOs) are the largest category. A PE firm raises a fund from limited partners (LPs), borrows two to five dollars for every dollar of equity, and uses the combined capital to buy a mature company outright. The firm runs the company for several years, often pursuing operational improvements and bolt-on acquisitions, then sells it.

Growth equity invests minority stakes in private companies that are already profitable and want capital to expand. Less leverage, less control, faster growth than a typical LBO target.

Venture capital (VC) is technically a branch of private equity but is usually discussed separately because it invests in early-stage companies with very different risk and return characteristics. See the companion article on Venture Capital.

Secondaries buy existing LP interests from investors who want to exit before a fund matures. This has become a meaningful market segment in its own right.

The Intuition

Public equity markets price companies continuously and punish short-term earnings misses ruthlessly. A CEO running a public company often worries about next quarter's numbers as much as the three-year plan. Private equity owners sit on the other side of that trade: they do not care about quarterly reporting because there are no quarterly reports.

That long-horizon, concentrated-owner structure lets PE firms make uncomfortable decisions (cost cuts, asset sales, management changes, strategic pivots) that public companies shy away from. In exchange for giving up liquidity, LPs in PE funds expect to earn a premium over public equity returns.

Whether that premium actually exists is one of the most heavily studied questions in finance. Kaplan and Schoar's 2005 paper in the Journal of Finance was the first rigorous test on fund-level cash flow data. They found that average PE fund returns were roughly equal to the S&P 500 net of fees, with substantial variation between top and bottom-quartile funds. Later work (NBER 2012, Harris-Jenkinson-Kaplan 2014, and subsequent updates) has generally found buyout funds earning modest outperformance of 3 to 4 percent per year net of fees versus public markets, while venture returns are far more uneven.

How It Works

A PE fund is a limited partnership with a fixed life, typically 10 to 12 years.

Fundraising (years 0-1). The general partner (GP) markets a fund to institutional LPs (endowments, pensions, sovereign wealth funds, insurers, family offices). LPs commit capital but do not transfer it until the GP calls it.

Investment period (years 1-5). The GP identifies deals, calls capital from LPs as needed, and buys portfolio companies. Management fees (traditionally 2 percent per year) accrue on committed capital.

Harvest period (years 5-10). Portfolio companies are operated, improved, and eventually sold. Sales can be to another PE firm (sponsor-to-sponsor), a strategic corporate buyer, or through an IPO. Proceeds flow back to LPs as distributions.

Wind-down (years 10+). Any remaining positions are sold or distributed in kind. The fund closes.

The fee model is known as 2 and 20. The GP earns a 2 percent annual management fee on committed capital plus 20 percent of profits above a preferred return (often 8 percent) as carried interest. Carried interest is the primary source of GP wealth.

This cash flow profile produces the famous J-curve. In the first few years, capital calls and fees run ahead of distributions, so LP returns show a negative mark-to-market. By year five or six, exits begin, distributions accelerate, and returns curve up. Mature PE programs run many vintages side by side to smooth this pattern.

Worked Example

Consider a 1 billion dollar LBO fund. Terms are 2 percent management fee, 20 percent carry over an 8 percent hurdle, 10-year life.

Over years 1-5, the GP calls 900 million and invests in 12 portfolio companies. Annual management fees of roughly 20 million run on committed capital, so LPs have paid about 100 million in fees before meaningful distributions arrive.

Over years 5-10, exits generate 2.4 billion of gross proceeds. Starting from the 900 million invested, the gross multiple on invested capital is 2.67x and the gross IRR around 18 percent.

Net of fees and carry, LPs receive roughly 2.1 billion on their 900 million called, a 2.3x net multiple and a net IRR around 14 percent. The GP takes roughly 300 million, most of which is carried interest. Compare this to an S&P 500 investment of the same capital over the same period at, say, 10 percent annualized. PE outperforms by a few hundred basis points, consistent with Kaplan-Schoar's findings on strong-vintage funds.

Common Mistakes

1. Comparing PE IRR to public market returns directly. IRRs are sensitive to the timing of cash flows and are not directly comparable to time-weighted public returns. Use a Public Market Equivalent (PME) or multiple of money to compare fairly. Kaplan and Schoar introduced PME precisely for this reason.

2. Assuming all PE funds look alike. The dispersion between top and bottom-quartile funds in the same vintage year is enormous, often 1,500 basis points or more of annualized IRR. Average PE returns are not achievable without real manager selection.

3. Ignoring fees and carry. Gross returns in marketing materials are before fees. Net-of-fee returns are what LPs actually receive. The gap between gross and net can be 3 to 5 percent per year.

4. Underestimating illiquidity. PE commitments lock up capital for a decade. LPs cannot easily sell their interests, and secondary markets typically transact at discounts of 10 to 30 percent off net asset value, especially in stressed markets.

5. Overlooking manager persistence. Kaplan and Schoar showed that PE returns are persistent across funds raised by the same GP, meaning good funds tend to follow good funds. Recent research (Harris et al., 2020) suggests this persistence has weakened for mega-buyout funds but remains stronger in smaller, specialized funds.

Frequently Asked Questions

Q: What is private equity in simple terms? Private equity is a pooled fund that buys companies not listed on a stock exchange, makes operational or financial improvements over several years, then sells them. Investors commit capital for a decade and cannot easily exit in the meantime.

Q: How does private equity affect investment decisions? Adding PE to a portfolio can improve long-run risk-adjusted returns, but requires accepting illiquidity for 10 years and carefully selecting managers, bottom-quartile funds can underperform public markets significantly. The illiquidity premium is real but not guaranteed.

Q: What is a real-world example of a PE deal? A fund raises $1 billion, borrows $1.5 billion more, and acquires a manufacturer for $2.5 billion. Over seven years, management cuts costs, makes two bolt-on acquisitions, and doubles EBITDA. The fund sells the company for $5.5 billion, returns capital to investors, and takes 20% of profits above the hurdle as carried interest.

Q: How can investors evaluate PE funds? Focus on net-of-fee IRR and net multiple of invested capital over a full fund cycle, not gross returns. Compare against a public market equivalent. Look at persistence across the GP's prior funds rather than trusting one strong vintage.

Q: How is private equity different from public equities? Public equities are priced daily and can be sold at any time. Private equity locks capital for a decade, prices quarterly using appraisals, and has much higher fee loads. In exchange, it offers the potential for higher returns through operational improvement and financial leverage unconstrained by quarterly earnings pressure.

Sources

1. Kaplan, S.N. & Schoar, A. (2005). "Private Equity Performance: Returns, Persistence and Capital Flows." Journal of Finance 60(4). https://web.mit.edu/aschoar/www/KaplanSchoar2005.pdf
2. Kaplan, S.N. & Sensoy, B. (2014). "Private Equity Performance: What Do We Know?" NBER Working Paper 17874. https://www.nber.org/system/files/working_papers/w17874/w17874.pdf
3. U.S. Securities and Exchange Commission. "Investor Bulletin on Private Equity." https://www.sec.gov/oiea/investor-alerts-bulletins/ib_privateequity
4. Harris, R., Jenkinson, T., Kaplan, S. & Stucke, R. (2020). "Has Persistence Persisted in Private Equity?" BFI Working Paper 2020-167. https://bfi.uchicago.edu/wp-content/uploads/2020/11/BFI_WP_2020167.pdf

Disclaimer

This article is educational content only and is not financial advice. Nothing here is a recommendation to buy, sell, or hold any security. Consult a licensed advisor before making investment decisions.