CFA Level I Exam · Equity Instrument Features

Private vs Public Equity Securities for CFA Level I

Updated 7 October 2026 · Fact-checked

Public equity trades on exchanges, is priced daily, is liquid and must disclose widely. Private equity is held in non-listed companies, is illiquid, is valued by estimates, and has limited disclosure. Venture capital backs young companies; buyouts acquire mature companies, often with heavy debt. Compare each on liquidity, valuation, disclosure and risk.

Understand Private vs Public Equity Securities

Public equity means shares listed on an exchange. Anyone can buy or sell them during market hours. Prices are set by trading, so you see a market value every day. Listed companies must publish audited financial statements and report regularly to regulators and investors.

Private equity means ownership in companies that are not listed. Shares are sold through negotiated deals, not on an exchange. Investors usually commit money to a fund for many years. Because there is no regular trading, there is no observable price. Values come from models, comparable deals or the latest funding round. Disclosure is lighter and set by contract, not by listing rules.

Venture capital is private equity in start-ups and early-stage firms. The firms have little revenue and uncertain futures. Many fail, but a few succeed greatly. Returns come from a small number of big winners. Funding is usually equity, in stages, and the investor often takes a board seat. Valuation is hard because there are few cash flows to discount.

Buyout funds acquire established companies with steady cash flows. A leveraged buyout (LBO) uses a large amount of debt. A management buyout (MBO) is one where the existing managers are the buyers. The fund aims to improve operations, repay debt and then sell the company through a trade sale or an IPO.

The key trade-off: private equity investors accept low liquidity, weak price transparency and less disclosure. In return they expect a higher return (an illiquidity premium) and more influence over the company. Public equity gives easy exit, transparent prices and strong disclosure, but less control for a small shareholder.

Key formulas to remember

Liquidity: Public: high (exchange trading). Private: low (negotiated sale, fund lock-up); Illiquidity is the main cost of private equity, and investors expect to be paid for it.
Valuation basis: Public: market price. Private: model, comparables or last funding round; Private valuations are estimates and may be stale or smoothed.
Disclosure: Public: extensive, mandated by regulators. Private: limited, set by contract; Private investors rely on due diligence and contractual information rights.
Venture capital vs buyout: VC: early-stage, equity funded, high failure rate. Buyout: mature firm, often leveraged, steady cash flow; Leverage is a defining feature of an LBO, not of venture capital.
Exit routes: IPO, trade sale (strategic buyer), secondary sale to another fund, recapitalization, liquidation; Exit is how private equity investors realize returns.

How to solve Private vs Public Equity Securities questions

Most questions give a short scenario and ask you to identify the type of investment or its feature. Use this method.

1Read the stem and decide: is the company listed or not? That separates public from private.
2If private, check the company's stage. A young firm with little revenue and a new idea points to venture capital.
3If the target is mature, has stable cash flows and is bought with a lot of debt, it is a leveraged buyout.
4Match the feature asked about (liquidity, valuation, disclosure, control, exit) to the standard comparison.
5Remove the option that reverses the relationship, such as private equity being more liquid or more transparent.
6Of the remaining two, check for conditions in the wording, such as the stage of the company or the use of debt, and pick the best fit.

Quickest way: Three-word test: listed, stage, leverage

When to use it: Use it on any one-minute conceptual question comparing public and private equity.

Listed? If no, think private: illiquid, estimated values, limited disclosure.
Stage? Early and unproven means venture capital. Mature means buyout.
Leverage? Heavy debt to acquire the firm means LBO.
Pick the option that matches, and discard any that give private equity daily pricing or full public disclosure.

Common mistakes in Private vs Public Equity Securities

Saying private equity has observable market prices
Candidates assume all equity is priced like listed shares.
Fix: Private holdings are valued by models or recent transactions. Prices are estimates, not trades.
Mixing up venture capital and buyout
Both are private equity, so the labels blur.
Fix: Venture capital is early-stage with little debt. Buyouts target mature firms and often use leverage.
Thinking public equity gives investors more control
Candidates link listing with governance rights.
Fix: A small public shareholder has little influence. Private equity investors often get board seats and negotiated rights.
Ignoring the illiquidity premium
Candidates focus on risk and forget compensation for locked-up capital.
Fix: Remember that lower liquidity is expected to be compensated by higher required returns.
Assuming private companies have no disclosure at all
Overstating the difference.
Fix: Disclosure is limited and contractual, not absent. Investors get information through agreements and due diligence.

Worked examples

Example 1

An investor commits capital to a fund that acquires a mature manufacturing company using a large amount of borrowed money, intending to repay the debt from the company's cash flows and sell the firm in five years. This fund is most likely a:
A. venture capital fund
B. leveraged buyout fund
C. public equity index fund

Show the solution

The target is mature and has steady cash flows, so it is not an early-stage venture.
The purchase is financed with a large amount of debt, which defines a leveraged buyout.
An index fund would hold listed shares and would not acquire a whole company or plan a sale.
Eliminate A and C.

Answer: B. leveraged buyout fund

Example 2

Compared with an investment in publicly traded shares, an investment in a private equity fund is most likely to have:
A. lower liquidity and less frequent, estimate-based valuation
B. higher liquidity and daily market valuation
C. lower liquidity and more extensive regulatory disclosure

Show the solution

Private equity is not exchange-traded, so liquidity is lower. Option B is wrong.
Private valuations rely on models or recent transactions and are updated periodically.
Disclosure for private firms is more limited than for listed firms, so C fails on disclosure.
Only A is correct on both liquidity and valuation.

Answer: A. lower liquidity and less frequent, estimate-based valuation

Exam tips

Expect comparison questions: eliminate any option that gives private equity higher liquidity or full disclosure.
Link venture capital to early stage and buyout to mature, leveraged targets.
Read for the word 'management' (MBO) or 'leveraged' (LBO) to name the buyout type.
Remember exit routes: IPO, trade sale, secondary sale.
With no penalty for wrong answers, always answer; two options usually fall away by liquidity logic.

Practice questions from Equity Instrument Features

Private vs Public Equity Securities in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Private vs Public Equity Securities: frequently asked questions

What is the main difference between public and private equity?

Public equity is listed and trades on an exchange, so it is liquid and priced daily. Private equity is in unlisted companies, is hard to sell and is valued by estimates. Disclosure is also much lower for private holdings.

How is venture capital different from a buyout?

Venture capital invests in young, high-growth firms with uncertain outcomes, usually with equity and little debt. Buyouts acquire established firms with stable cash flows, often using significant leverage. Venture returns depend on a few big winners.

Why is private equity valuation harder?

There are no regular trades, so no observable market price exists. Valuers use comparables, discounted cash flow models or the last funding round. These inputs can be stale or subjective.

How do private equity investors exit?

Common routes are an IPO, a trade sale to a strategic buyer, a sale to another private equity fund, or a recapitalization. The exit route affects the timing and size of returns.