Introduction to secondary markets and their role in global finance

A secondary market is where securities are bought and sold after they are first issued. Put simply, it is the market where investors buy and sell securities with each other, rather than buying directly from the issuing company.

That distinction matters. In a primary market transaction, the company raises new capital. In a secondary market transaction, an existing holder sells to another buyer. The proceeds usually go to the selling shareholder, fund, limited partner, or other existing owner, not to the company itself.

The stock market is the most familiar example. When investors purchase shares on exchanges like the NYSE or Nasdaq, those trades occur in the secondary market. The company is not issuing new shares each time its stock changes hands. Instead, the market helps provide liquidity, supports price discovery, and gives investors a way to enter or exit positions.

Private markets can operate in a similar way, but with more restrictions. In a market for private company shares, buyers and sellers may need to manage company approvals, transfer limits, valuation questions, and eligibility requirements before a transaction can close.

“The stock market” generally refers to the public secondary market, where shares of companies are bought and sold after their initial public offering (IPO) on regulated exchanges like the Nas-daq or New York Stock Exchange. Public markets are the most common place to trade securities. Public companies are required todisclose financial information regularly, and exchanges enable a liquid market for investors to buy and sell these assets at market prices.But stock isn’t only issued for public companies. A startup’s shares, for example, will typically be distributed among founders, venture capital (VC) or private equity (PE) investors, and often employees.Those shares can’t be bought and sold by the general public. But stock in pre-IPO companies can still be traded on the private secondary market, which is comprised of trades involving assets not traded on public exchanges. Transactions like VC investments, PE deals, and buying and selling shares of privately owned companies typically occur via private negotiations or specialized platforms.

The primary market and secondary market both help capital move through the financial system, but they serve different purposes. The primary market helps companies raise capital. The secondary market helps investors achieve liquidity after securities have already been issued.

In the public markets, this distinction is usually easy to see. A company may work with investment banks to sell shares in an IPO through the primary market. After that, those shares may trade on exchanges like the NYSE or Nasdaq in the secondary market.

In private markets, the line can be less visible but just as important. A startup funding round is usually a primary market transaction because the company issues new equity to raise capital. A sale from an employee, founder, early investor, or fund to another investor is usually a secondary market transaction because ownership changes hands without the company issuing new shares.

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The norm for startups has historically been to raise money and go public as fast as possible. That’s changed in recent years. With venture capital and private equity more readily available, startups today are staying private for longer.Some companies may prefer this arrangement, as it allows them to maintain control and financial privacy. For employees and shareholders, though, it can mean fewer liquidity events, effectively making wealth less accessible. And for investors, it may mean less exposure to potential growth stocks and sectors.

Secondary markets are not limited to public stock exchanges. They can include public, private, and fund-based markets, each with different rules, participants, and levels of liquidity.

Public stock and bond markets

Public stock markets are the most visible type of secondary market. Investors can buy and sell listed shares on exchanges like the NYSE and Nasdaq, where market prices are updated throughout the trading day based on supply and demand.

Bond markets also include active secondary trading. After a corporate or government bond is issued in the primary market, investors may buy or sell that bond before maturity. Pricing may shift based on interest rates, issuer credit quality, earnings outlook, and overall demand.

Private company secondary markets

Private company secondary markets allow eligible buyers to purchase shares from existing holders before a company has a potential IPO, acquisition, or other liquidity event. Sellers may include employees, former employees, founders, early investors, or venture capital funds.

These markets can help shareholders achieve liquidity while a company remains private. They can also give qualified investors access to mature private companies that may not be available through traditional public market channels.

Unlike public stock markets, private secondary markets usually do not have ample daily trading volume or standardized pricing. Transactions may require company approval, regulatory consideration, transfer review, and buyer qualification.

Fund secondary markets

Fund secondary markets involve the sale of interests in private equity, venture capital, real estate, or other private funds. In these transactions, an LP may sell its limited partner interest to another buyer before the fund fully winds down.

This can help LPs manage allocation, reduce exposure, or create liquidity before the fund’s final distribution. Buyers may be attracted to fund secondaries because the assets are often more mature, with more information available than at the start of a new fund.

The GP, fund manager, or general partner may need to approve the transfer, depending on the fund documents. Pricing can involve a discount or premium to the fund’s reported net asset value, depending on demand, portfolio quality, and timing.

That’s largely why the role of private markets in global finance is growing. The private secondary market may be fundamentally less liquid or transparent than public markets. But it can also unlock wealth for shareholders of pre-IPO companies and offer investors access to unique growth opportunities.

Private markets aren’t subject to the same regulatory oversight as the public markets. But that doesn’t mean they have no guardrails. In the U.S., most private secondary transactions are restricted to accredited investors.This, coupled with the secondary market’s relative lack of transparency and liquidity, tends to lead to fewer trades and participants, meaning it is harder to match supply and demand in pri-vate markets.Consequently, it can be tricky to pick and stick to a set entry or exit point in these transactions. Finding a buyer or seller for a private equity stake or shares in a start-up may take some time, and prices can fluctuate based on little information.Marketplaces designed specifically for trading shares of pre-IPO companies, such as Augment, aim to bring more structure to private market transactions by centralizing buyer and seller activity." Augment provides a platform for buyers and sellers of shares in a range of growing private companies.  It provides centralized oversight as well, lending more structure and transparency to the private markets.

Private secondary market transactions are usually less structured than public stock trades. A buyer cannot simply log into a brokerage account and purchase shares of most private companies. The process often involves eligibility checks, pricing discussions, transfer restrictions, and company review.

A seller looks for liquidity

Many private secondary transactions begin when an existing shareholder wants liquidity. The seller may be an employee with equity compensation, a former employee, a founder, an early investor, or a fund looking to manage portfolio exposure.

The motivation can vary. Some sellers want to diversify personal wealth. Others need cash while a company remains private. A fund may sell to rebalance allocation or return capital to LPs.

A buyer evaluates the opportunity

The buyer then evaluates the company, share class, transfer rules, recent funding history, and available financial information. In private markets, this step is especially important because there may be less public information than with listed stocks.

Buyers may consider company performance, investor demand, recent preferred share pricing, comparable public companies, and the likelihood of a future liquidity event. They may also evaluate whether the shares come with restrictions that could affect resale.

The parties agree on price and terms

Once the buyer and seller are aligned, they negotiate price and terms. Unlike a public stock market transaction, where the quoted price is visible in real time, private secondary pricing is often negotiated.

The agreed price may reflect a discount to the company’s most recent preferred round, a premium for high-demand shares, or adjustments based on share class, transfer timing, information access, and market conditions.

Transfer review and closing

After pricing is agreed, the transaction may still need company approval or review under transfer restrictions. Some companies have a right of first refusal, which may allow the company or existing investors to purchase the shares before the outside buyer does.

Once approvals are complete, the transaction can close. The buyer receives the shares or interest, and the seller receives the proceeds. No new shares are issued by the company in a standard secondary sale.

There are several reasons why an investor might consider allocating a portion of their portfolio to this alternative asset class.First, there’s diversification. It’s a core component of most investment strategies, and adding assets that aren't publicly traded may help balance a portfolio, since private markets don't always move in step with public market volatility. Some investors are drawn to private markets, including pre-IPO companies, for their return potential. However, these opportunities come with substantially higher risks, including significant potential for complete loss of investment, extreme illiquidity, and lack of transparency.

Some of today's largest public companies, including well-known names, began as private companies. However, most early-stage and private companies do not reach that level of success, and many result in partial or total loss of invested capital. Past performance of any individual company is not indicative of future results and is not representative of typical outcomes.