Blog/Private Equity
Gross IRR and net IRR are two of the most important return metrics in private markets, but they answer different questions. Gross IRR measures the return generated by the investments before fund-level fees, expenses and carried interest. Net IRR measures the return received by the limited partner after those fund-level costs and incentive allocations.
That distinction sounds technical, but it has real consequences. A private equity fund can show attractive deal-level returns and still deliver a much lower return to LPs once management fees, fund expenses, carry, taxes, subscription line effects and investor-specific costs are included. For LPs, fund analysts, investment consultants and private equity professionals, the spread between gross IRR and net IRR is the cost of accessing the strategy through a fund structure.
In this post, we’ll walk through what gross IRR and net IRR mean, why the spread exists, how to model it, and the diligence questions investors should ask before relying on either figure.
IRR is the annualized discount rate that makes the net present value of a cash flow stream equal to zero. In simple terms, it measures the annualized return implied by the timing and size of cash paid out and cash received back.
IRR rewards speed. A fund that returns capital quickly can show a high IRR even if the total cash multiple is not especially high. A fund that returns more money over a longer period may show a lower IRR despite producing a stronger multiple.
This is why IRR should never be used alone. It is useful for comparing return timing, but it does not tell you total cash profit, valuation risk, loss ratio, residual NAV quality or how much of the return has already been realized. A 25% IRR with limited DPI may be far less convincing than a 16% IRR backed by real distributions.
Gross IRR starts with the economics of the underlying investments. It usually includes acquisition cost, follow-on capital, dividends, refinancing proceeds, exit proceeds and unrealized value. Depending on the sponsor’s reporting policy, it may be shown before management fees, fund expenses, carried interest and other fund-level costs.
Net IRR starts with the LP’s cash flows. It reflects capital contributions, distributions, management fees, fund expenses, carried interest and other charges allocated to investors. In other words, gross IRR shows what the assets produced. Net IRR shows what the investor received.
The problem is that gross IRR is not automatically comparable across funds. One manager may report deal-level gross IRR before transaction expenses and subscription line interest. Another may report fund-level gross IRR after transaction costs but before management fees and carry. Both numbers may be labelled “gross IRR,” but they may describe different cash flow boundaries.
That is why the first diligence question should not be “what is the IRR?” It should be: whose cash flows are being measured, at which level of the structure, before and after which fees, with what treatment of credit facilities and ending NAV?
The gross-to-net spread usually comes from four sources.
First, management fees and fund expenses reduce LP returns. Management fees are often charged on committed capital during the investment period, then step down after the investment period based on invested capital or another defined base. Fund expenses can include audit, tax, administration, legal, broken-deal costs, organizational expenses and other partnership costs.
Second, carried interest transfers part of the upside from LPs to the GP. The spread depends on the preferred return, catch-up mechanics, carry rate and waterfall. A European waterfall, based on the whole fund, generally gives LPs more protection than an American deal-by-deal waterfall, especially if early winners pay carry before later losses are known.
Third, timing can distort IRR. Subscription lines can delay capital calls and increase reported IRR because the LP’s cash outflow occurs later, even though the fund took economic exposure earlier. Recycling, recallable distributions, delayed exits and interim valuation marks can also change IRR without changing total value.
Fourth, investor structure can create different net results for different LPs. Feeder vehicles, withholding taxes, tax blockers, side letters, currency hedging, parallel funds and co-investment allocations can all affect the return an individual investor receives.
Assume a fund invests 100 at closing and exits for 180 after five years. Before fees and carry, the gross multiple is 1.8x and the gross IRR is roughly 12.5%.
Now add the fund structure. Assume management fees and expenses consume 15 over the hold period, and carry consumes another 8 after the preferred return is satisfied. The LP effectively contributes around 115 and receives around 172. The net multiple falls to roughly 1.5x and net IRR falls to around 8.4%.
The assets produced a 1.8x gross outcome. The investor received a 1.5x net outcome. That difference is the gross-to-net spread.
This is why a 20% gross IRR does not automatically imply a 16% net IRR. The spread can be narrow in a low-fee co-investment with quick distributions. It can be much wider in a blind-pool fund with high management fees, slow deployment, broad expense allocation and carry paid before the fund is fully de-risked.
A useful return model should separate asset performance from fund structure. A junior analyst should not paste sponsor-reported IRR into a returns page and move on. The model should show a bridge from investment-level cash flows to fund-level cash flows, then from fund-level cash flows to LP-specific cash flows.
The cleanest approach is to build the model in layers. Start with gross investment cash flows. Add management fees, partnership expenses, credit facility costs and taxes. Then apply the waterfall to calculate carry. Finally, map those results to the LP’s capital account.
For sponsor-side deal modelling, this same logic helps separate investment performance from fund economics. If you are building LBO return cases and want to practice how IRR and MOIC move with entry valuation, debt paydown, EBITDA growth and exit assumptions, our LBO financial model gives you a clean template for that analysis.
Private fund IRR often includes unrealized NAV. That means interim IRR is partly a valuation output, not just a cash outcome.
This is especially important for young funds. If a fund has high net IRR but low DPI, most of the reported return may depend on fair value marks. That does not make the return wrong, but it raises the diligence burden. Investors should examine comparables, leverage assumptions, revenue growth, margin expansion, exit timing and quality of earnings support.
DPI is the simplest reality check. A mature fund with high IRR and weak DPI deserves asset-by-asset review. Strong marks can turn into strong realizations, but until cash comes back to LPs, the return remains partly dependent on valuation judgment.
MOIC measures total value divided by invested capital. It is easier to understand than IRR and less sensitive to timing. A 2.0x MOIC means the investment doubled capital, but it still needs time context. A 2.0x return over three years is very different from a 2.0x return over ten years.
TVPI equals DPI plus RVPI. It shows total realized and unrealized value relative to paid-in capital. This is useful for fund comparison, but it inherits valuation risk when residual NAV is high.
DPI shows distributed capital relative to paid-in capital. It is the cleanest measure of realized cash returned to investors.
PME, or public market equivalent, compares private fund cash flows against a public benchmark. It helps answer a different question: did the private fund outperform a public market alternative after adjusting for the timing of contributions and distributions?
No single metric should drive the conclusion. A high gross IRR may still be compelling if net multiple, DPI and PME are strong. A narrow gross-to-net spread is not attractive if the underlying gross return is weak.
Investors should ask for a cash flow bridge from gross to net performance. That bridge should show investment-level cash flows, fund-level fees, expenses, management fee offsets, carried interest, taxes, subscription line costs, recycling, recallable distributions and ending NAV.
They should also ask how gross IRR is calculated. Is it before or after transaction expenses? Does it include broken-deal costs? Does it deduct subscription line interest? Are capital calls dated when LPs funded them or when the fund borrowed under a credit facility?
Net IRR also needs definition. Does it reflect aggregate fund cash flows, a model LP, or a specific investor’s capital account? Does it include feeder expenses, withholding taxes, hedging costs and side-letter economics? Is the waterfall American or European? Has carry been paid, accrued or clawed back?
Continuation vehicles require extra care. If assets are moved into a continuation fund, original fund returns and rollover economics should be shown separately. Otherwise, the track record may blend realized exits, GP-led processes and new capital commitments into one performance story.
The first mistake is comparing one manager’s deal-level gross IRR with another manager’s fund-level net IRR. That comparison rewards presentation style rather than investment performance.
The second mistake is ignoring vintage year and deployment pace. IRR is path-dependent, so two funds with similar assets can report different IRRs due to timing.
The third mistake is treating interim net IRR as realized performance. If DPI is low, the result relies heavily on NAV.
The fourth mistake is overlooking fee offsets. A fund with a standard headline fee may be cheaper than it looks if transaction, monitoring and break-up fees offset management fees.
The fifth mistake is ignoring investor-specific economics. Side letters, feeders and currency hedging can cause two LPs in the same fund to receive different net returns.
Gross IRR shows what the investments generated before the fund structure took its share. Net IRR shows what the LP received after fees, expenses, carry and investor-specific allocations.
Both figures are useful, but they should never be treated as interchangeable. Gross IRR helps evaluate sourcing, underwriting and asset-level value creation. Net IRR anchors allocation decisions, liquidity planning, manager selection and incentive assessment.
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