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Investors in private equity (PE) hope to earn higher cumulative returns in exchange for potential tradeoffs like lower liquidity and manager selection. This is for good reason, as over the last 20 years, the Cambridge Associates US Private Equity Index had a pooled net return of 15.29%, compared with annualized returns of 9.36% and 9.80% for the Russell 2000 and the S&P 500 indices, respectively.1 This performance represents the entire private equity market, but ultimately, there are many types of PE strategies for investors to consider, with performance targets varying by stage and asset class.
Critically, investors may be less familiar with how to interpret private equity performance, as common metrics differ from those for public equity investments. In this piece, we discuss best practices for measuring and benchmarking private equity performance. In addition, we outline the J-curve and the impact of fund life cycle on returns.
There are multiple standard metrics used to measure returns in private equity, such as the internal rate of return (IRR), the multiple (also known as Multiple on Invested Capital [MOIC] or Total Value to Paid In [TVPI]), and the Distributed Capital to Paid-in Capital ratio (DPI).
Notably, the IRR is time sensitive while the multiple and DPI are not. In addition, the IRR and multiple each account for unrealized value while the DPI does not. An evaluation of all three metrics together can therefore give an investor a more complete indication of performance in a private equity fund. In volatile environments like that of 2022, many investors place a premium on the DPI as unrealized returns are illiquid whereas realized returns can be spent or reinvested.
When benchmarking manager performance, an investor may consider manager-specific benchmarks from companies like Cambridge Associates, PitchBook, Preqin, and others. These benchmarks are typically organized by vintage year (often determined by a fund’s first investment or capital call) and are formed by collecting fund performance from investors or directly from PE firms. Private benchmarks are valuable as reference points but face several hurdles driven by the scarcity of private market fund performance, including selection bias, survivorship bias, and self-reporting bias.
Alternatively, investors may compare performance to a public index such as the Russell 2000 Growth or MSCI World indices, using the public market equivalent (PME) measurement. There are several PME measurement methodologies but a common one is the “Long Nickels” approach, where an investor calculates the return of investments to a public index that matches the inflows and outflows of the private equity fund. The result of the PME calculation is an IRR based on the returns of a public index that can be compared to a fund’s IRR. This gives investors an indication of how well capital committed to a PE fund would have performed if it were instead allocated to the public markets.
Private equity funds tend to post negative net returns in the early years of a fund’s life. This is primarily because investments are often held at (or close to) cost for some time after the initial purchase. While this is a standard valuation practice in private equity, the result is that gross performance is often flat until a meaningful event occurs, such as a sale or another round of fundraising. In the interim, however, the PE fund collects fees (such as management fees and organizational fees) to run the fund. This means that a portfolio held at cost on a gross basis will show negative returns. Because fees begin to be collected early in a fund’s life, the proximity of this timing can make the negative return appear especially severe for the first couple of years (as noted in the above section on IRR). As more investments are made and more capital is called, the impact of fees decreases. Importantly, negative net performance early in the fund’s life cycle does not necessarily indicate poor performance of the fund’s underlying investments. As the fund matures and investments are written up or realized, successful funds cross from negative since-inception performance to positive. This is referred to as a “J-curve” return because in the early years the fund returns are negative and typically only become profitable in the harvest years (Figure 1).
It's important to note that PE strategies tend to differ in the length and severity of the J-curves they experience, based on each strategy’s specific investment focus. The two major factors in determining the J-curve are the fees and the time until liquidity or write-up. Early-stage venture capital typically has the most acute J-curve as its fees tend to be the highest and the time until liquidity is the longest. Late-stage venture strategies that invest prior to companies’ IPOs often have the shortest J-curves given their proximity to the public market and near-term liquidity expectations. Buyout funds’ J-curves typically fall between those of the other two strategies.
The J-curve is critical to understand because it may impact investor psychology. Investors often add PE exposure to their portfolios in pursuit of the higher returns noted above. Having a portion of your portfolio — which is designed to add value over public equities — show negative returns for a few years can be difficult to rationalize. In our view, it is important to keep in mind that private equity funds are long-term investments and their performance early in the investment phase is typically not indicative of a fund’s ability to return capital at a favorable IRR, multiple, and DPI over the full term of the fund.
Private equity investments have distinct performance characteristics relative to their public equity peers. In our view, it is crucial to understand best practices for evaluating PE performance by using appropriate metrics. We believe this is particularly relevant when there are downturns and volatility in PE markets.
1Cambridge Associates US Private Benchmarks Q4 2022 Report. PAST RESULTS ARE NOT NECESSARILY INDICATIVE OF FUTURE RESULTS. Please refer to the end of the document for additional disclosures.
Disclosures
PAST RESULTS ARE NOT NECESSARILY INDICATIVE OF FUTURE RESULTS. There can be no assurance private equity funds will achieve higher returns than public equities. Private equity strategies are subject to different investment risks and are generally illiquid. They will experience equity-like volatility at times and are a portfolio of illiquid/private companies. The return of invested capital to limited partners is dependent on the success of the companies held in the portfolio, and the timing of such liquidity is uncertain.
Public market equivalent
A commonly used performance metric for private equity investments is IRR, but IRR is generally not used as a performance metric for other asset classes, including public market indices. IRR is derived from a time value of money calculation, which is based upon the timing of investment decisions by the fund’s investment manager. The PME method is intended to compare private equity returns to a public market index to provide a more meaningful comparison of private equity returns to a commonly used index. PME calculates a return that assumes buying and selling an index on the same dates and amounts as the fund’s limited partner capital calls and distributions. The net remaining investment in the index is valued at the measurement date as either a long or a short position in the index, and the IRR is calculated using the fund’s cash flows and the remaining long or short position to determine PME.
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