What Is Private Equity? Funds, Commitments, and the Fund Lifecycle Explained

What is private equity? How funds, commitments, and capital calls work, the roles of GP and LP, the four-phase fund lifecycle, and the main types of fund.

Jan 03, 2024

Private equity,

Academy

Ken Gamskjaer

CEO & Co-founder

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Last updated: September 7, 2026.

Quick Answer

Private equity is investment in companies that are not listed on a public exchange, usually made through a fund that buys, develops, and later sells those companies. Investors commit a fixed amount, the fund calls the capital over several years, and returns arrive when portfolio companies are sold over an 8 to 10 year lifecycle. A General Partner makes every investment decision, while Limited Partners provide the capital with liability capped at their commitment. The hardest operational task is tracking unfunded commitments across many funds, which is what Aleta's private markets forecasting is built to do.

Key Takeaways

Private equity is an asset class of unlisted company investments, accessed mainly through funds run by a General Partner on behalf of Limited Partners.
Private equity accounts for 18% of the average family office portfolio, 8% through direct investments and 10% through funds, inside a 42% alternatives allocation (UBS).
Private markets make up 29% of the average North American family office portfolio, and despite recent underperformance many offices expect private equity to deliver the best long-term risk-adjusted returns (Campden Wealth and RBC).
Investors commit capital upfront but pay it in over time as the fund calls it, so the unfunded commitment can be demanded at any point and missing a call carries severe penalties.
A fund typically runs 8 to 10 years through four phases: fundraising, investment, value creation, and exit.
Distributions to investors sat at 14% of net asset value in 2025, the lowest since the global financial crisis, so liquidity planning around commitments matters more than in any recent period (Bain).

Why Are Investors Turning to Private Equity?

Alternatives now make up 42% of the average family office portfolio, with private equity alone at 18%, according to the UBS Global Family Office Report 2026.

In North America, Campden Wealth and RBC put private markets at 29% of the average family office portfolio in 2025.

The study also finds that, despite recent underperformance in private equity and venture capital, many family offices still expect these investments to deliver the best risk-adjusted returns over the long term.

And it's not just family offices, but an increasing number of investors in general who are turning towards alternative asset classes such as private equity in their quest for returns and to diversify their portfolios.

But what is private equity?

The answer is not that simple, I'm afraid, but I'll explain it to you in this article.

You see, private equity significantly differs from more conventional investment classes like stocks and bonds. Engaging in this market demands more from you as an investor and can be intricate to navigate. There are many things to consider before investing in this asset class.

While there are quite stringent reporting rules for companies in the public market, the unlisted private market is a bit more wild west-ish with no standardized practices for reporting and metrics calculation within private equity funds.

All this means that the private market is less transparent than its public counterpart which makes it more difficult to maintain an overview of and evaluate your private equity investments.

That opacity is the reason purpose-built private markets reporting exists, since someone has to recalculate every fund's figures on one consistent basis before they can be compared.

But fear no more.

Through our series of private equity articles, we aim to guide you through this popular asset class, step by step.

In this article, I'll start with the basics to establish a strong foundation before delving into other topics in the following articles, some more complex than others.

What Is Private Equity?

Private equity is investment in companies that are not listed on a public exchange, and it sits alongside stocks, bonds, and real estate as an asset class in its own right.

When investing in this asset class, it typically involves engaging through a company dedicated to establishing and managing a number of private equity funds. Each of those funds then invests in private companies, with the aim of nurturing their full potential for growth and subsequently selling them for profit. So essentially you're investing in these funds. (If this sounds confusing, don't worry. We'll get more into this Russian-doll-like structure in just a moment.)

When you invest in private equity, you commit a specific amount of money to the fund. You don't pay this commitment upfront; instead, you provide an official capital commitment – simply known as a commitment in the private equity world – which remains binding throughout the fund's lifespan. In return, you receive limited partnership units in the fund.

The fund can now call part of the money when they need capital for acquiring new companies or covering expenses. The portion of your commitment that you haven't fulfilled yet is referred to as your unfunded commitment.

It's not until the fund sells the companies that you and the other investors realize the potential returns from investing in the fund.

The commitment threshold to invest in a private equity fund is usually minimum $200,000, but it can be millions. And the investment horizon typically spans 8 to 10 years, but it can also be longer. This means you have to be prepared to commit part of your wealth to illiquid investments for quite some time.

This extended period is necessary for the funds to secure capital from investors, acquire or invest in chosen companies, nurture growth within those companies, and eventually sell them.

Over-commitment
When investors enter the private equity market, they often decide how big a portion of their overall investments they want to allocate to this asset class. However, achieving a consistent allocation in private equity over time can be challenging.
Why?
Because: as explained, when you invest in a private equity fund, you make a capital commitment, but not all of that capital is invested from the outset, nor at the same time. It also often happens that a fund doesn't even call for all 100% of your commitment.
It's quite difficult for you as an investor to predict when and how much of your commitment the fund will invest and thereby how much of your total wealth is, in fact, invested in this asset class and not just committed to it.
To mitigate this issue, some investors adopt an over-commitment strategy where, across the funds they've invested in, they commit to a higher amount than their strategy dictates for allocation. Various methods exist to estimate how much and when one should commit to achieve a smooth and continuous allocation to the asset class. However, theory and practice don't always align, presenting one of the challenges tied to this type of investment. This is the problem Aleta's private markets forecasting is built for, modeling expected capital calls and distributions across every fund 12 to 24 months forward so the office can size new commitments against the liquidity it will actually have.
Simultaneously, remember that you need the liquidity readiness to fulfill your total commitment at any given time, as failing to meet capital calls from a fund can have significant repercussions.

How Is a Private Equity Fund Structured?

Roles

Members of a private equity fund can broadly be divided into two parties – a General Partner (GP) and a group of Limited Partners (LP). The General Partner is the private equity firm through which you invest in the private equity funds. The General Partner is responsible for raising capital from investors and managing the funds that invest in various unlisted companies. The Limited Partners are the investors who have committed capital to the fund.

It's the General Partner, the private equity firm, that has all the decision-making authority, meaning only they decide which companies to invest in. Once you've committed as an investor, you have no influence over which specific companies the fund invests in. This is why private equity funds are often referred to as blind pools.

Attribute	General Partner (GP)	Limited Partners (LPs)
Who they are	The private equity firm that raises and manages the fund	The investors who commit capital to the fund
Decision-making	Full authority over which companies the fund buys and sells	None over individual investments
Capital	Typically contributes a small share of fund capital	Provide the bulk of committed capital, paid in as called
Liability	Unlimited, including any fund debt	Limited to the amount committed
Compensation	Management fee plus a share of profits (carried interest)	Share of distributions after fees and carry
Ongoing obligation	Manage the portfolio and report to LPs	Meet every capital call on time

Note: However, it's essential for you as an investor to continually monitor your private equity investments. You must always be aware of your total unfunded commitment, as funds can call for this at any time, and not meeting capital calls can have significant repercussions. Aleta Intelligence reads capital call and distribution notices as they arrive and updates the unfunded commitment automatically, so that number never depends on someone re-keying a PDF. Additionally, evaluating the fund's performance can also be a tool for assessing whether you want to invest in new funds that the same GP might establish in the future.

Consequences of not meeting capital calls
If you miss a capital call from one of the funds you've invested in, you'll typically have a predetermined limited period to fulfill the call with a delay, and the fund will usually have the right to demand an interest for the late payment.
If you still don't meet the call within this period, it will often have severe consequences. For instance, the GP might gain the right to resell your share of the fund. The GP could also have the option to strip you of your share in the fund, and thereby exempting you from future capital calls. However, this action would also reduce the fund's total commitments and consequently its management fee. As such, the GP doesn't always choose to exercise this option. Additionally, you might be liable for the costs the GP incurs in managing your missed capital call.
As such, depending on the fund's stage in its lifecycle, not being able to meet a capital call can have significant financial implications for you, regardless of the reason. Conversely, these stringent rules are also designed to safeguard you against other investors in the fund missing their calls, which could potentially diminish the fund's total commitment.

Risk and Responsibilities

Limited Partners in a fund can’t risk losing more money than they've committed to the fund, as they are only liable for that specific amount. If the fund were to lose all of its capital due to failed investments and end up in debt, the sole responsibility for repaying this debt lies with the General Partner.

What Is the Lifecycle of a Private Equity Fund?

Every performance metric a private equity fund reports depends on where the fund is in its lifecycle. It's essential that you have an understanding of how these funds work before deciding to invest in the asset class.

Furthermore, you won't be able to evaluate your private equity investments without a good understanding of their lifecycle. This is because many of the key metrics in fund reporting evolve based on how far the fund is in its lifecycle.

A fund typically follows an 8-10 year lifecycle, consisting of the following four phases:

1. Fundraising and Establishment

In the initial phase of the fund's lifecycle, the primary task of the company behind the fund is to secure investors (Limited Partners) for the fund. Once enough capital has been raised, the fund is established, and investors become definitively committed. The company then continues to raise capital until they reach the desired amount.

As mentioned, investors commit to investing a specific amount, which they don't pay immediately. Instead, they provide a commitment, allowing the fund to 'call' the money when they need capital for investments or covering expenses.

If you invest in multiple funds, it's crucial to keep track of your total unfunded commitment, as you might need to meet capital calls from several funds simultaneously. Failing to meet a capital call for any reason can have significant consequences as explained further above.

2. Selection and Investment in Companies

Once the desired capital is raised, it's time for the fund to identify attractive companies and negotiate purchases with their owners. Often, funds invest in companies with shared characteristics, such as industry or geographic area.

As the name implies, private equity funds often invest in private, unlisted companies. However, they can actually also invest in publicly listed companies and then delist them. When a fund owns a significant portion of a company, they can carry out a forced delisting.

3. Value Creation in Portfolio Companies

In the third phase of its lifecycle, the fund works on increasing the value of its portfolio companies. How they do it depends on which kind of private equity fund it is.

Some funds acquire a majority stake in companies, allowing them to make changes to aspects like strategy, structure, or leadership composition. Other funds focus on contributing to the companies' success through mentoring, networking, and capital infusion.

4. Exit and Distribution of Gains

As the companies mature the goal is to sell them at a profit.

An exit is influenced by circumstances surrounding each individual company – the goal is to sell at the most opportune time.

Immediately after an exit, investors receive their share of the profits from the sale of the company.

Exits have been slow to return: Bain reports that distributions to investors sat at 14% of net asset value in 2025, the lowest level since the global financial crisis, even as exit value rose 47% to $717 billion.

What Are the Types of Private Equity Funds?

Private equity funds are classified by the kind of company they buy, and the two most common types are capital funds, which acquire established businesses, and venture funds, which back early-stage ones.

Capital Funds (Buyout Funds)

Capital funds acquire established companies lacking the necessary capital to unlock their full potential. These companies are often stable, non-cyclical businesses with a reliable cash flow. Stability is crucial for buyout funds, as they either borrow up to 80% of the acquisition price from a bank – using the acquired company's assets as collateral, which they repay through the company – or they finance 80% of the acquisition price through leveraged loans. The remaining portion of the purchase price is covered using the fund's own resources.

Venture Funds

In contrast to capital funds, venture funds invest in smaller, new companies at the early stages of their lifecycle, often comprising only a promising business idea. The key criterion is that these companies are deemed to possess significant growth potential, strong leadership, and a unique product.

Given the companies' stage of development, there is relatively high risk associated with investing in them. However, this risk is balanced by the possibility of achieving substantial returns if the company succeeds. Our guide to the types of private equity funds covers growth capital, distressed, funds of funds, real estate, and infrastructure as well.

How Do You Keep an Overview of Private Equity Investments?

No two private equity funds report on the same basis or schedule, which is what makes tracking unfunded commitments and results across funds the hardest part of the job.

One of our areas of expertise is private equity reporting. With Aleta's family office software, named Best Data Provider at the Family Wealth Report Awards 2026, you're always aware of precisely how much the various funds can call from you and how each has performed on DPI, TVPI, RVPI, and IRR calculated the same way across every fund. This equips you with the clarity and understanding needed to make informed decisions for your investments.

Frequently Asked Questions About Private Equity

What is private equity in simple terms?

Private equity is money invested in companies that are not traded on a stock exchange. Most investors access it through a fund that buys stakes in private companies, works to increase their value over several years, and then sells them, returning the proceeds to investors.

How does a private equity fund work?

Investors commit a fixed amount to the fund. The fund manager, called the General Partner, calls that capital in portions as it finds companies to buy, holds and develops them, and sells them over an 8 to 10 year lifecycle. Investors receive distributions as each company is sold.

What is the difference between a General Partner and a Limited Partner?

The General Partner is the private equity firm that raises the fund, decides what it invests in, and manages the portfolio, and carries unlimited liability. Limited Partners are the investors who provide the capital, have no say over individual investments, and cannot lose more than they committed.

What is an unfunded commitment?

It is the part of your committed capital that the fund has not yet called. It remains a binding obligation for the life of the fund, can be called at any time, and failing to pay it can lead to penalty interest, forced sale of your stake, or forfeiture of your share of the fund.

How long is money locked up in private equity?

Typically 8 to 10 years, sometimes longer, because the fund needs time to raise capital, acquire companies, grow them, and sell them. Distributions usually begin only in the later years, which is why private equity is treated as an illiquid allocation.

How do family offices track private equity across multiple funds?

Each fund reports on its own basis and schedule, so the work is reconciling commitments, capital calls, distributions, and valuations into one view. Aleta's private markets reporting does that consolidation and recalculates DPI, TVPI, RVPI, and IRR on one consistent method across every fund and manager.