Brian Nichols is the co-founder of Angel Squad, a community where you’ll learn how to angel invest and get a chance to invest as little as $1k into Hustle Fund's top performing early-stage startups

Key Takeaways

• Mercury's last primary round set a $5.2 billion valuation in May 2026 at about $17.72 per share, led by TCV. On the secondary market it trades near $16.91, a real-time market cap of about $4.96 billion, roughly a 5% discount to that round.
• Revenue grew to an estimated $712.8 million run-rate in 2025, up from about $500 million in 2024, growth of roughly 43% and decelerating from earlier years.
• That puts Mercury at about 7x revenue, the most grounded multiple in this batch and far below the AI and prediction-market names.
• The two company-level risks: dependence on partner banks in a banking-as-a-service model regulators are scrutinizing, and a customer base concentrated in startups whose fortunes track the funding cycle.
• Secondary liquidity is very thin, with Notice noting essentially no active buyers or sellers. Underwrite a multi-year hold and difficult price discovery.

Mercury is the grown-up in this group. Where the AI and prediction-market names carry multiples in the tens, Mercury trades around 7x revenue on a steadily growing, arguably profitable fintech business. That relative sobriety is the appeal. The catch is that its secondary market is nearly frozen, so even if you like the company, actually buying and later selling shares at a fair price is its own challenge. For anyone looking at Mercury pre-IPO stock, the business is the easy part; the structure and the liquidity are where the work is.

Whether it is a good buy at today's price depends far less on how you feel about fintech and far more on how you enter: the share class, the rights, the price, and the path to liquidity.

This guide is written for the accredited investor sizing up private-market exposure, not for retail buyers waiting on a ticker. You will get how these shares actually work, what diligence matters, and what to confirm before you wire anything.

What Mercury Pre-IPO Shares Are (and What They Are Not)

Pre-IPO shares in a private company are usually existing shares sold by an employee, founder, or early investor in a secondary transaction. They are not publicly traded equity, and they carry no continuous pricing, no broad SEC reporting, and no automatic liquidity.

For Mercury, the liquidity point is not academic. Notice describes the market as having low activity, with essentially no buyers or sellers at present, which means price discovery is unreliable and getting a transaction done can take time or may not be possible at a price you like. Transferability is also listed as unknown, so the direct-transfer rules need confirming. The primary-versus-secondary distinction still applies: a primary round issues new shares and funds the company; a secondary transfers ownership between private parties and funds nothing at Mercury. Do not treat a private listing like a public quote.

What Is the Current Valuation of Mercury?

Mercury's last primary valuation is $5.2 billion, set in the roughly $200 million Series D that closed in May 2026 at about $17.72 per share, with TCV leading. That was a 53% step up from the $3.5 billion Series C set in March 2025, a healthy but not frenzied markup, which fits Mercury's more measured profile.

On the secondary market, shares trade near $16.91, a real-time market cap of about $4.96 billion, roughly a 5% discount to the last round. That is a narrow gap, consistent with a company whose valuation has grown steadily rather than spiking.

The business is fintech banking for startups and small businesses. Mercury offers business checking and savings, debit and credit cards, ACH and wire payments, and bill pay, plus treasury features that let customers invest idle cash. Crucially, Mercury is not itself a bank; accounts are provided through partner banks and are FDIC insured. Founded in 2017, it employs roughly 1,600 people, with total funding of about $650 million and backers including Andreessen Horowitz, Sequoia, Coatue, and CRV.

How Does Mercury Generate Revenue?

Mercury makes money largely from interchange on card spending, interest and spread on deposits and treasury products, and fees on payments and related services. It gained significant momentum after the 2023 banking turmoil sent many startups looking for a modern, reliable place to hold deposits, and it has broadened from a checking product into a fuller financial stack for its customers.

The revenue trajectory is strong and, notably, decelerating in a healthy way. Estimated revenue went from about $90 million in 2022 to $250 million in 2023 to $500 million in 2024 to about $712.8 million on a 2025 run-rate, growth of roughly 43% in the most recent year. Mercury has publicly said it is profitable, which if accurate sets it apart from most names at this stage. Revenue per employee sat near $538,000. Because Mercury has no independent revenue coverage on Sacra, these figures come from Notice's research models, so treat them as estimates. When a company claims profitability, the underlying unit economics are what to probe, which is exactly what our guide on unit economics and customer acquisition is built for.

Why Are Investors Bullish on Mercury?

The bull case is that Mercury owns the financial relationship for a large and growing slice of startups and small businesses, with a product that is genuinely better than legacy business banking. That relationship is sticky, it throws off interchange and deposit economics at scale, and it opens the door to lending, cards, and treasury products layered on top. Reasonable growth, apparent profitability, and a defensible niche make it a steadier proposition than the hype names. For investors weighing this against other paths, our comparison of angel investing versus venture capital is a useful frame for where a name like this fits.

Our very own Hustle Fund GP, Elizabeth Yin, has talked about how differentiation is everything, that a company needs to be 10x different and 10x better than all the alternatives. Mercury's differentiator is being built from the ground up for startups and small businesses, a segment legacy banks serve poorly, with a cleaner product, faster onboarding, and integrated finance tools. That focus is a real edge in its niche. The open question is whether that edge widens as it moves upmarket and into more competitive territory against the likes of Brex and Ramp.

What Are the Biggest Risks for Mercury Investors?

Two company-level risks carry most of the weight.

Partner-Bank and Regulatory Dependence

Mercury is not a bank; it relies on partner banks to hold deposits and provide the underlying rails. That banking-as-a-service model has drawn heavy regulatory scrutiny, and the sector saw real damage when a major middleware provider collapsed and disrupted access to customer funds across several fintechs. A problem at a partner bank, or a regulatory crackdown on the BaaS model, could hit Mercury's operations, its economics, or its customers' trust. This dependence is structural, not incidental, and it is the risk most specific to how Mercury is built.

Customer Concentration and the Funding Cycle

Mercury's customer base skews toward startups and venture-backed companies. That is a great base in a boom and a shrinking one in a downturn, since deposits, spending, and interchange all contract when startup funding dries up. Competition is real too: Brex and Ramp target overlapping customers aggressively, and incumbent banks are improving. The apparent profitability is reassuring, but it was earned in a relatively strong environment, and the durability of these unit economics through a cycle is worth probing, which is the spirit of our risk management approach.

The Risks Investors Underprice: Liquidity, Dilution, and Information Asymmetry

Company risk gets the attention. Structural private-market risk is what actually shows up in your returns, and for Mercury liquidity is the headline.

Liquidity risk is acute here. Notice describes essentially no active buyers or sellers, which means you may struggle to buy at a fair price and may struggle even more to sell before a formal liquidity event. With no announced IPO, your capital could sit for years in a position you cannot easily exit. Understanding what actually happens during a liquidity event is worth doing before you buy something this illiquid. Dilution is real through option pools and future financings. Information asymmetry is the seller's structural edge, since Mercury does not file public quarterlies and its figures are estimates.

As Elizabeth has noted, valuations are not really about the worth of a company. They are about supply and demand among investors. Mercury is an unusual case because there is barely any supply or demand meeting in the market at all. A near-frozen secondary means the last round and a handful of thin prints are doing all the price-setting, so the number you see is a weak signal rather than a real clearing price. In that situation, patience and position sizing matter more than a precise view of value, a discipline our look at long-term, patient investing reinforces.

What the Numbers Actually Say

Here is the math, cleanly.

The last primary round priced at about $17.72 per share for a $5.2 billion valuation in May 2026. On the secondary market as of early June 2026, Mercury trades near $16.91, a real-time market cap of about $4.96 billion, roughly a 5% discount to that round. A narrow discount on a name with steady markups is unremarkable; the bigger caveat is that the secondary barely trades, so that price is soft.

On revenue, anchor to the 2025 run-rate estimate of about $712.8 million. Against the $4.96 billion secondary cap, that is roughly 7x. Against the $5.2 billion round, it is about 7.3x. That is a grounded multiple, in the range where public and late-stage fintech names trade rather than the 30x-plus territory of the AI and prediction-market names in this batch. For a business growing about 43% and apparently profitable, roughly 7x revenue is defensible on its face, which makes Mercury the closest thing to a value-oriented entry in this group. The multiple does the reassuring work here; the liquidity and the partner-bank dependence do the worrying. Because the revenue figures are research-model estimates rather than disclosed numbers, the profitability claim in particular is worth verifying rather than assuming.

The Diligence That Actually Matters: Terms Every Buyer Should Understand

The terms decide your outcome: the cap table and your fully diluted ownership; share class, since common and preferred at the same valuation can pay out very differently; liquidation preference, which can leave common with little in a middling exit; the option pool, a quiet source of dilution; the 409A valuation, which can sit below a secondary price; information rights, which common holders often lack; pro rata rights, which most secondary buyers do not get; right of first refusal and transfer restrictions, which for an illiquid name like Mercury can make an exit even harder; and lockup. If a seller or platform cannot explain these for the specific shares on offer, that opacity is the risk.

Eligibility and Compliance

Most direct private offerings are limited to accredited investors, based on income, net worth, or credentials. Qualified purchaser status can matter when a deal runs through a pooled fund. Regulation D governs how most of these deals are offered, with Rule 506(b) limiting solicitation and Rule 506(c) allowing broader marketing but requiring stricter verification. The compliance steps, KYC and AML, source-of-funds review, broker-dealer involvement, and escrow, are protective infrastructure.

Deal Mechanics: Direct Secondaries, SPVs, Forward Purchases, and the Fee Stack

A direct secondary would give you ownership of the shares, subject to company approval, though Mercury's transfer rules are not clearly established and the market is thin. An SPV gives you exposure through a pooled vehicle, which simplifies administration but adds fees and reduces governance and visibility.

Two structures warrant extra caution. The first is a forward purchase contract, where you buy a promise to deliver shares or their value at a future event rather than the shares themselves, creating synthetic exposure and counterparty risk: if the seller cannot deliver or the transfer never clears, you hold a claim, not stock. The second is a second- or third-layer SPV, a vehicle investing in another vehicle, stacking fees and carry at each layer and pushing you further from the cap table. On an illiquid name, those fees are especially painful because you may not be able to sell your way out of a bad entry. Ask how many layers sit between your money and Mercury's equity, and price each one. An indication of interest is not an allocation, so do not anchor until cash and shares settle.

Where Accredited Investors May Access Mercury Shares in 2026

Access comes through a few channels, though for Mercury the thin market limits all of them. Secondary platforms like Hiive, Forge Global, EquityZen, UpMarket, and Notice may list Mercury, but with few active counterparties, quotes can be sparse. Pre-IPO funds offer diversified fintech exposure with less control over any single name. Public proxies are indirect through Mercury's backers. And angel investing communities occasionally surface SPV access to growth-stage fintech deals, an area our strategic guide to fintech angel investing covers.

A Note on Research Sources

Research sites can frame valuation narratives and sentiment, but they are not standardized quote systems. Private prices are negotiated snapshots, and for Mercury they are unusually thin. The revenue and profitability figures come from research models rather than company disclosure, so treat them as informed estimates and weight the ones you can independently corroborate.

How This Differs From Early-Stage Venture Access

Late-stage fintech secondaries are a different discipline from early-stage venture. Platforms like AngelList and SeedInvest and accelerators like Y Combinator and Techstars build skill in evaluating founders and product-market fit. A $5 billion fintech secondary in a frozen market is not that. You are underwriting price, structure, liquidity, and partner-bank risk rather than a founder bet. The evaluation muscle transfers, but the illiquidity changes the calculus.

Liquidity, Lockups, and Exit Paths

Private shares can exit through several paths: an acquisition, a tender offer, a direct listing, a conventional IPO, or more years private. Mercury has given no signal of an imminent listing, and its thin secondary means interim liquidity is far from guaranteed, so underwrite a multi-year hold. Position sizing beats conviction in an illiquid private asset, and treating Mercury as a small, patient slice of a broader portfolio is the sane approach.

Bottom Line

Mercury is the steady hand in this batch: a genuinely better banking product for startups, reasonable growth, apparent profitability, and a grounded multiple around 7x revenue. It is also a business built on partner banks in a model regulators are watching, with a customer base tied to the funding cycle, and a secondary market so thin that buying and selling at a fair price is a real problem. Whether it is a good buy for you depends less on how sound the company looks and more on how you enter: the right share class, a defensible price, sized sensibly, with clear eyes on liquidity.

Getting that read right is easier when you can see the whole spectrum, from early rounds to late-stage secondaries like this one. That is what Angel Squad is for. It is a community of more than 2,500 accredited investors across 50-plus countries who have collectively invested over $30 million into 70-plus startups, with deal flow spanning pre-seed through pre-IPO. Members get access to the top 1% of deal flow alongside Hustle Fund's GPs, a real no-a-holes policy, and the shared judgment that keeps you honest on exactly these calls. If deciding whether a deal like this even fits your portfolio is the question, our piece on whether angel investing is right for you is a good start, and you can take a look at hustlefund.vc/squad. The investors who do best in private markets stay allergic to hype, read the documents, and remember that structure often matters as much as story.

Frequently Asked Questions

Is Mercury publicly traded? No. Mercury is a private company with no ticker symbol, and its secondary market is very thin. Accredited investors can access shares through secondary platforms like Hiive, Forge Global, EquityZen, UpMarket, and Notice, through pre-IPO funds, or through angel investing communities that occasionally source SPV access, subject to confirming the company's transfer rules.

What is Mercury's current valuation? Mercury's last primary valuation was $5.2 billion, set in its May 2026 Series D at about $17.72 per share, led by TCV. On the secondary market it trades close to a $4.96 billion market cap, roughly a 5% discount to that round.

How much revenue does Mercury generate? Estimated revenue reached about $712.8 million on a 2025 run-rate, up from roughly $500 million in 2024, growth of about 43%. These figures come from research models rather than company disclosure. Mercury has publicly said it is profitable.

Is Mercury a bank? No. Mercury is a financial technology company; deposits are held at partner banks and are FDIC insured through those banks. That partner-bank dependence is a key structural risk to understand.

How can accredited investors buy Mercury stock? Through secondary platforms, pre-IPO funds, and angel investing communities that source SPV access, though the thin market can make transactions hard to complete at a fair price. Confirm the company's transfer rules and verify share class and right-of-first-refusal language before transacting.