Unicorn Bubble: How Private Tech Got Repriced

Key Takeaways

• Near-zero rates and crossover funds drove US venture capital to about $330 billion in 2021.
• New unicorns were minted at record pace, roughly two new billion-dollar startups every business day.
• When the Fed hiked in 2022, valuations reversed through down rounds and large write-downs.
• The durable lesson: private valuations are set by the cost of capital, not just growth.

Background

A unicorn is private-market shorthand for a startup valued at $1 billion or more, a label coined by investor Aileen Lee in 2013 when such companies were rare. By the late 2010s they were less rare, but they were still notable. What changed in 2020 and 2021 was the sheer volume of money chasing private technology, and the speed at which valuations climbed.

The setup was the same cheap-money backdrop that lifted public markets. When COVID-19 hit in March 2020, the Federal Reserve cut its policy rate to near zero and bought trillions in bonds, holding interest rates down across the board. Low rates raise the present value of distant cash flows, which matters most for young, fast-growing companies whose profits, if any, lie far in the future. That math made unprofitable growth startups look more valuable on paper.

A second force was the type of investor showing up. Traditional venture funds were joined by "crossover" or nontraditional investors: hedge funds, mutual funds, private-equity firms, corporate venture arms, and sovereign wealth funds. Two names came to symbolize the era. SoftBank's Vision Fund, run by Masayoshi Son, wrote enormous checks. Tiger Global Management, a hedge fund, moved into late-stage venture at a pace that reshaped deal terms, often closing rounds in days and at prices traditional firms would not match.

The prevailing mindset was "growth at all costs," sometimes called blitzscaling. The idea was to spend aggressively to capture a market before competitors, on the bet that scale would justify the burn later. With money nearly free and buyers plentiful, that strategy looked rational, and valuations rose to reflect it.

What Happened

The boom and the bust both ran through the same channel: the price and availability of capital. Here is the acute arc.

• March 2020: The Fed cuts rates to near zero and restarts large-scale bond buying, making capital cheap.
• 2020-2021: Crossover investors pour into late-stage venture; round sizes and valuations climb sharply.
• Q2 2021: 136 new unicorns are minted globally in a single quarter, versus 23 in Q2 2020, according to CB Insights.
• Full-year 2021: US venture-backed companies raise about $329.9 billion, nearly double 2020's prior record, per the NVCA.
• Late 2021: Several richly valued 2021 IPOs begin sliding as inflation rises and rate-hike expectations build.
• March 16, 2022: The Fed raises rates for the first time in the cycle, to a range of 0.25% to 0.50%.
• Through 2022: The Fed hikes by a total of 425 basis points, the fastest pace in roughly four decades.
• July 11, 2022: Klarna raises at a $6.7 billion valuation, down 85% from $45.6 billion a year earlier.
• Fiscal year to March 2023: SoftBank's Vision Fund reports a loss of about $32 billion as startup marks fall.

The climb was broad. CB Insights reports that the average valuation at which a company first became a unicorn rose from about $1.18 billion in 2016 to roughly $1.56 billion in 2021, and that new unicorns were being created at a pace of more than two per business day during the peak. US venture funding hit records at every stage, from seed to late.

The reversal began once inflation forced the Fed's hand. Public technology stocks, especially recent IPOs, fell first, and private valuations followed with a lag because private rounds reprice less often. By mid-2022 the markdowns were unmistakable, and the "growth at all costs" pitch had given way to talk of runway, burn, and survival.

Why It Happened

The unicorn bubble had one root cause with several channels, which is why so many startups rose and fell together.

The root cause was the cost of capital. A near-zero discount rate inflates the present value of cash flows expected years out, and a money-losing growth company is almost entirely future cash flow. The same companies that look most attractive when rates are low look most exposed when rates rise, because the value of their distant profits is discounted far harder. The 2022 hiking cycle was not just any tightening, it was, per Federal Reserve Bank of Richmond research, among the fastest in four decades, which made the repricing abrupt.

The first channel was the supply of capital. Crossover investors brought public-market sums into private deals. The NVCA reports that nontraditional investors took part in 6,483 US venture deals worth more than $253 billion in 2021. When that much money competes for deals, valuations rise and diligence shortens, because the binding constraint becomes winning the round, not pricing it.

The second channel was revenue multiples. With growth prized and capital cheap, investors paid high multiples of revenue, sometimes for companies with thin or negative margins. A high multiple is a bet on years of compounding growth. When rates rose and growth slowed, those multiples compressed, and the implied valuations fell sharply even when the underlying business had not changed much.

The third channel was the private-market lag and stale marks. Private companies do not trade daily, so their valuations update only when a new round prices them or an investor writes them down. That lag let private valuations stay elevated after public comparables had already fallen, which set up a backlog of down rounds and write-downs once funds finally marked their books to reality.

The fourth channel was cash burn meeting a closed window. Blitzscaling assumed the next round would always be available. When the funding window narrowed in 2022, companies that had been burning cash on the promise of cheap follow-on capital suddenly faced a choice between a punishing down round, deep cost cuts, or both.

By the Numbers

• US venture funding, 2021: about $329.9 billion invested across an estimated 17,054 deals, nearly double the prior 2020 record of roughly $166.6 billion. (NVCA)
• US VC fundraising, 2021: $128.3 billion raised by funds, passing $100 billion in a year for the first time. (NVCA)
• US exit value, 2021: about $774.1 billion from VC-backed companies that went public or were acquired. (NVCA)
• Crossover capital: nontraditional investors participated in 6,483 deals worth more than $253 billion in 2021. (NVCA)
• New unicorns: 136 minted globally in Q2 2021 alone, versus 23 in Q2 2020. (CB Insights)
• Unicorn entry price: average first-time unicorn valuation rose from about $1.18 billion in 2016 to roughly $1.56 billion in 2021. (CB Insights)
• Global funding reversal: worldwide venture funding fell about 35% in 2022 to roughly $415 billion, and US funding fell about 37%. (CB Insights, via TechCrunch)
• Fed tightening: first hike on March 16, 2022, then 425 basis points across the year, among the fastest paces in four decades. (Federal Reserve; Richmond Fed)
• Klarna down round: valuation cut 85%, from $45.6 billion in June 2021 to $6.7 billion in July 2022. (CNBC)
• SoftBank Vision Fund: a loss of about $32 billion for the fiscal year ended March 2023, after about $19 billion the prior year. (TechCrunch)

Aftermath

The reversal worked through three visible mechanisms: down rounds, write-downs, and layoffs. The clearest single example is Klarna, the "buy now, pay later" lender, whose valuation was cut 85% to $6.7 billion in July 2022 from $45.6 billion a year earlier, as reported by CNBC. Klarna was the most dramatic case, but it was not alone, and many private companies chose deep cost cuts over a marked-down round.

The crossover investors who had defined the boom took the largest paper losses. SoftBank's Vision Fund reported a loss of roughly $32 billion for the fiscal year ended March 2023, on top of about $19 billion the year before, as its startup holdings were marked down. Tiger Global, the hedge fund that had pushed late-stage prices higher, marked down its venture bets significantly through 2022, with reporting indicating its large 2021-vintage venture fund fell about 20% on paper and that it cut the carried value of recent private investments by roughly a third.

The public market sent the early warning. Of 2021's five largest US IPOs, all were trading below their offer price by early 2022, with Didi down about 75% and Robinhood down about 60% from their listing prices, according to Yahoo Finance reporting. Because public investors reprice daily, those falling stocks were a real-time signal that the private marks were stale and would have to follow.

There were no charges or convictions tied to the unicorn bubble itself, because it was a repricing rather than a fraud. It coincided with widely reported layoffs across the technology sector, and it left a lasting shift in tone: investors began emphasizing a path to profitability, disciplined burn, and durable unit economics over growth at any price. Several specific manias of the same cheap-money era, including the WeWork private-valuation collapse and the SPAC boom, are covered in the linked case studies.

Lessons for Investors

1. The cost of capital sets private valuations. New unicorns were minted at record pace when rates were near zero and slowed sharply once the Fed hiked 425 basis points in 2022. A startup's worth depends heavily on the discount rate applied to its distant cash flows, so treat unusually cheap money as a tailwind that can reverse, not as a permanent condition.

2. High revenue multiples are a bet on years of growth. Paying a steep multiple of revenue, especially for a money-losing company, assumes a long run of compounding ahead. When growth slowed and rates rose in 2022, those multiples compressed and implied valuations fell, even where the business itself had not changed much. Know what growth assumptions a price requires.

3. Private marks lag reality. Private valuations update only when a new round prices a company or an investor writes it down, which let stale marks persist after public comparables had already fallen. Falling shares in comparable public companies, like 2021's IPO class, are an early read on where private values are heading.

4. Cash burn is only safe while the next round is cheap. Blitzscaling assumed follow-on funding would always be available. When the window narrowed in 2022, high-burn companies faced down rounds or deep cuts. Judge a company by how long it can survive without new capital, not only by how fast it is growing.

5. A flood of capital lowers the bar. When crossover funds brought public-market sums into private deals, the contest became winning the round rather than pricing it carefully, which inflated valuations. When you see records in both funding and valuations at once, ask whether prices reflect quality or simply how much money is competing for deals.

Frequently Asked Questions

What was the unicorn bubble in simple terms? The unicorn bubble was a 2020 to 2022 period when cheap money and abundant venture capital pushed the number of private startups valued above $1 billion to records. When interest rates rose in 2022, many of those valuations were cut through down rounds and write-downs.

Why did the unicorn bubble happen? Near-zero interest rates made capital extremely cheap and lifted the value of startups whose profits lay far in the future. Crossover investors such as SoftBank's Vision Fund and Tiger Global poured in record sums, which pushed valuations up and diligence down, until the Fed's 2022 rate hikes reversed the math.

How much money was lost in the unicorn bubble? There is no single total, because losses spread across thousands of private companies and their backers. Global venture funding fell about 35% in 2022, SoftBank's Vision Fund reported a loss of roughly $32 billion for the year ended March 2023, and individual startups like Klarna saw valuations cut by 85%.

Could the unicorn bubble happen again today? A private-tech run-up can recur whenever rates are held very low and capital is abundant, since the search for growth and the supply of money are recurring features of markets. What changed after 2022 is a sharper focus on profitability and cash burn, and a memory that private marks can lag public reality.

What is the main lesson from the unicorn bubble? The single most transferable takeaway is that private valuations are driven by the cost of capital, not just by growth. When money is cheap, startups look more valuable, and when rates rise, the same companies are repriced lower, so always ask what interest-rate assumption a valuation depends on.

Sources

1. National Venture Capital Association. U.S. Venture Capital Soars to New Highs in 2021. https://nvca.org/press_releases/u-s-venture-capital-soars-to-new-highs-in-2021/
2. Federal Reserve Bank of Richmond. A Rate Cycle Unlike Any Other, Economic Brief 23-26. https://www.richmondfed.org/publications/research/economic_brief/2023/eb_23-26
3. CB Insights. New Unicorn Births In Q2'21 Shattered Previous Records. https://www.cbinsights.com/research/new-unicorn-births-q221/
4. CB Insights. Unicorns Are Seeing Valuations Take Off. https://www.cbinsights.com/research/unicorn-valuation-growth/
5. TechCrunch. Putting numbers on the global venture slowdown (CB Insights State of Venture 2022). https://techcrunch.com/2023/01/17/putting-numbers-on-the-global-venture-slowdown/
6. TechCrunch. SoftBank Vision Fund loses $32 billion in a year as startups confront valuation cut. https://techcrunch.com/2023/05/11/softbank-vision-fund-loses-32-billion-in-a-year-on-startups-valuation-cut
7. CNBC. Klarna valuation plunges 85% to $6.7 billion as 'buy now, pay later' hype fades. https://www.cnbc.com/2022/07/11/klarna-valuation-plunges-85percent-as-buy-now-pay-later-hype-fades.html
8. Yahoo Finance. Rivian, Robinhood, Bumble: How some of 2021's biggest IPOs are faring. https://finance.yahoo.com/news/rivian-robinhood-bumble-how-2021-s-biggest-ip-os-are-faring-154836666.html

Disclaimer

This article is educational content only and is not financial advice. Nothing here is a recommendation to buy, sell, or hold any security. Consult a licensed advisor before making investment decisions.