Winklevoss Twins' Bitcoin Holdings: How Much Do They Own?

Winklevoss twins, Bitcoin: the two are hard to separate. Cameron and Tyler Winklevoss turned a $65 million Facebook settlement into an early Bitcoin bet that most of Wall Street laughed at in 2013.

That bet built Gemini, a crypto exchange that went public on Nasdaq in 2025. It also built a decade of lawsuits, a failed ETF, a football club, and, now, a close relationship with the Trump administration.

This article covers the full story: how they got rich, how much Bitcoin they actually hold today, what happened in each of their legal fights, and what they're doing with their money now. Some of it is well known. Some of it, like their repeated Bitcoin sales in 2026, isn't.

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Who Are the Winklevoss Twins: Bitcoin’s Wealthiest Individuals?

Cameron and Tyler Winklevoss are identical twins from the United States, known as among the largest individual Bitcoin holders in the world. At the moment, Winklevoss twins’ Bitcoin is estimated at between 70,000 and 100,000 BTC, worth billions of dollars depending on the market.

Before crypto and Facebook, they were competitive rowers, studying economics at Harvard and competing for the US at the 2008 Beijing Olympics.

Today, they're two of the most recognizable names in crypto. Tyler is CEO of Gemini, the exchange they founded, and Cameron is its president. Outside Gemini, they invest through their own venture firm, Winklevoss Capital, and have built a public reputation as some of Bitcoin's most outspoken long-term believers.

How they got there, and what that early Bitcoin bet turned into, is the rest of this story.

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How Did the Winklevoss Twins Get Rich?

The Winklevoss twins' fortune didn't start with Bitcoin, since it actually started with a fight over Facebook.

Cameron and Tyler Winklevoss met Mark Zuckerberg at Harvard, where they say he agreed to help build their social network idea, then went off and built Facebook instead. They sued. The case dragged on for years and became famous enough that Hollywood turned it into a movie called The Social Network.

Most people who win a settlement like that would put it in safe, boring places. The twins didn't. In April 2013, they used about $11 million of it to buy Bitcoin, at roughly $120 a coin. At the time, almost nobody in finance took Bitcoin seriously. The twins said the purchase gave them close to 1% of all the Bitcoin that existed.

That bet took years to pay off, and it wasn't smooth. Bitcoin's price swung wildly and crashed more than once in those early years. But the twins held on. By December 2017, as Bitcoin neared $20,000, their original stake had grown past $1 billion in value.

By then, they'd already taken the next step. In 2014, they used part of their Bitcoin wealth to launch Gemini, a cryptocurrency exchange built to look and feel safe to Wall Street, not just to crypto insiders

Reports say they sold some of their original coins to help get it off the ground. Gemini became the twins' main vehicle for turning a personal bet into a real business, one that eventually went public on Nasdaq in September 2025.

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How Much Bitcoin Do the Winklevoss Twins Own?

Winklevoss twins' Bitcoin holdings are usually estimated at around 70,000 BTC, though some figures run as high as 100,000, worth somewhere in the billions depending on where Bitcoin's price sits that day.

As I mentioned, the twins put roughly $11 million of their Facebook settlement into Bitcoin, buying at an average price of about $120 a coin, an amount usually cited as 70,000 to 100,000 BTC.

That stash grew fast. Its value passed $1 billion by December 2017, when Bitcoin approached $20,000. Reports from that period also say the twins sold off part of their holdings to help fund Gemini, so the original number likely shrank even as its dollar value climbed.

The highest their wealth was reported at was in 2022, when each brother was supposedly worth $4 billion. Looking back at Bitcoin’s price data, its highest point in that year was $46,200. If the Winklevoss twins’ Bitcoin stats are correct, and they still had 70,000 BTC at that point, their net worth together would have been made up of 40% BTC.

More recent tracking adds detail, though not certainty. In March 2026, the blockchain analytics firm Arkham reported that a wallet linked to the twins moved $130 million in Bitcoin to Gemini, "presumably to sell", leaving roughly $637–764 million in that specific wallet.

That figure is far below the $7+ billion some estimates put on their full stash, which is a reminder that on-chain trackers usually catch only a slice of a large holder's total position. Private individuals can spread Bitcoin across many cold wallets, and none of that has to show up in a single tagged address.

Controversies and Challenges

Not every bet the Winklevoss twins made paid off cleanly. Behind the Bitcoin gains sits a string of lawsuits, regulatory fights, and a hack that was partly their own making and inherited from partners who let them down. Here's what actually happened, and how each one ended.

BlockFi and FTX

Through Winklevoss Capital, the twins had backed BlockFi, a crypto lending platform. BlockFi, in turn, had put money into FTX (at the time, one of the biggest exchanges in crypto). When FTX imploded in November 2022, the damage didn't stay contained.

BlockFi couldn't absorb the exposure and filed for bankruptcy weeks later,^[1] and the twins have since distanced themselves from the company. However, FTX's collapse reached the Winklevoss twins a second way, and this time it hit much closer to home.

Genesis, a lending firm entangled with FTX, suspended withdrawals as the fallout spread. Sitting inside Genesis was roughly $900 million belonging to Gemini Earn (the twins' own lending product). That money didn't come back.

Frustrated, the twins went public in an open letter, where they accused Genesis of running "bad faith stall tactics" to avoid paying what it owed.

Gemini Earn and the SEC

The Genesis freeze was only the start of the trouble, and the next one was the product behind it: Gemini Earn. Earn began as a small corner of the Winklevoss empire. It let users lend their crypto to Genesis in exchange for interest.

When FTX collapsed, that link became a weak point. Genesis froze withdrawals, and the Earn customers who had lent through Gemini could not get their money out. Thousands of ordinary users watched their savings lock up. Celsius, another lender, had frozen its own customers a few months earlier, and the whole lending industry was shaking.

In January 2023, the SEC stepped in. It accused Gemini and Genesis of selling unregistered securities through Earn. The regulator's argument was simple: when a platform pools your crypto and pays you a return, that looks like an investment contract. Coinbase had already been pushed to shut down its own lending product, Coinbase Lend, over the same concern.

Many people in crypto found the timing strange. The SEC was going after lending platforms just as the industry was cleaning up the mess the worst ones had made. Critics said this risked punishing the honest players along with the reckless ones. And if the honest ones quit, underbanked users, who often can't get a traditional loan, would lose an option.

The story didn't end in a courtroom loss, though. Gemini settled with the New York Attorney General in 2024 for $50 million. Earn customers eventually got their assets back in full through the Genesis bankruptcy process. In January 2026, the SEC moved to dismiss its case against Gemini.

IRA Hack

Gemini's troubles actually happened before FTX, in February 2022, with a partner. IRA Financial Trust lets people hold crypto inside retirement accounts. It signed an agreement with Gemini in September 2019 that let its customers trade Bitcoin and Ether directly.

Some of its clients said they picked IRA Financial largely because of its link to the Winklevoss name. In February 2022, hackers got into the account and moved tens of millions of dollars in Bitcoin and Ether over about two hours.

The total was around $36 million, and it belonged to customers' retirement savings. On the same day, a SWAT team arrived at IRA Financial's office. Police later said they believed the call was a trick to distract the staff.

In June 2022, IRA Financial sued Gemini. Its complaint centered on a "master key", a special key Gemini gave IRA to manage its customers' accounts. Whoever holds a master key can bypass protections like multi-factor authentication. IRA said it made three claims against Gemini:

• Gemini never explained how powerful the key was, and even sent it over unencrypted email.
• Gemini pushed IRA to switch to its API, the system that connects the two platforms, without pointing out the security risks.
• IRA tried to get Gemini to freeze all the accounts during the theft, but the company did not act in time.

A Gemini spokesperson said the company rejected the allegations. The case never reached a verdict. In July 2024, a federal judge approved a confidential settlement, and the case was dismissed. The terms were never made public.

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The CFTC Investigation

Just days before IRA Financial filed its lawsuit, a federal regulator had filed one of its own. The Commodity Futures Trading Commission (CFTC) sued Gemini in June 2022 over something that happened five years earlier.

The story starts in 2017. Gemini helped Cboe, a large US exchange, launch the first Bitcoin futures contract in the country. A futures contract lets people bet on a future price. To decide who wins, it needs a settlement price. Here, that price came from Gemini's own Bitcoin auction.

That design carried a risk. If someone could push the auction price up or down, they could also change the result of the futures contract. So during meetings in the summer of 2017, CFTC staff asked how easily the price could be manipulated.

The CFTC said Gemini's answers were false or misleading. According to its complaint, Gemini:

• loaned thousands of bitcoin to market participants and let some customers trade before they had fully funded their accounts, to boost trading volume;
• said it stopped customers from trading with themselves, which the CFTC said was not accurate;
• misled staff about the exchange's trading volume and liquidity.

Gemini pushed back from the start. A spokesperson said the company had always asked regulators for permission first. Later, Gemini told its own version of how the case began. It traced everything to a 2017 whistleblower report from its former chief operating officer, Benjamin Small.

Gemini said his claims were false and grew out of a separate fraud against the exchange. It also said the futures product ran in an orderly way for 19 months.

Then came the twist. In May 2026, the CFTC itself asked a court to cancel the judgment. It said the case had relied on an unreliable whistleblower and should never have been filed.

The Winklevoss Bitcoin ETF Story

From as early as 2013, the twins were working to elevate Bitcoin's image with a plan that went further than most people realize by listing an ETF. To do that, an exchange has to file the request with the SEC on the fund's behalf.

Theirs went through Bats BZX Exchange, proposing the Winklevoss Bitcoin Trust: a grantor trust, similar in structure to physical-commodity ETFs like SPDR Gold, trading under the ticker COIN, with their own Gemini exchange set to price and custody the Bitcoin.

Here's how the seven-year fight actually played out:

Table: Seven-year fight of Winklevoss twins vs BZX

The final rejection came down to a few specific concerns:

Not everyone on the Commission agreed. Commissioner Hester Peirce dissented, warning the rejection would slow the industry down. The SEC didn't fully shut the door either, saying its view could change once Bitcoin markets became more regulated.

It wasn't until 2024 that the SEC approved spot Bitcoin ETFs in the US. It’s filed by other companies like BlackRock and Fidelity, not the twins.

What Do the Winklevoss Twins Do Now?

Today, the Winklevoss twins are much more than early Bitcoin buyers. They run a public company, invest through their own venture firm, co-own a football club, and give large sums of money to US politics.

Gemini

Gemini is still the center of their work. Tyler is CEO, and Cameron is president of the exchange they founded in 2014. In September 2025, the company went public on Nasdaq under the ticker GEMI.

It sold shares at $28, raised $425 million, and was valued at about $3.3 billion. The stock opened at $37.01 on day one and closed at $32. The twins kept tight control: they were expected to hold about 94.5% of the voting power after the IPO.

Then the market turned. Bitcoin fell from its October 2025 peak, and Gemini kept losing money. In February 2026, the twins announced a reset.

The twins said those foreign markets were hard to win and left the company stretched thin. Around the same time, its chief operating officer, chief financial officer, and chief legal officer all resigned on the same day. By July 2026, the stock had dropped more than 89% from its IPO high.

The new bet is on prediction markets, where people trade on the outcome of real-world events, and on custody. Gemini Predictions launched in December 2025.

Some recent moves suggest a partial recovery. Gemini received a CFTC derivatives license in April 2026. In May, the twins announced a $100 million bitcoin-funded investment in the company, and the shares jumped more than 20% after hours.

Winklevoss Capital

Winklevoss Capital is their investment firm. It holds stakes in more than 20 crypto companies and assets, including Ethereum, Filecoin, Tezos, Zcash, Taxbit, and Messari. It’s also the vehicle they used for their football investment.

Real Bedford FC

The twins' best-known side project is a football club. Podcaster Peter McCormack bought Real Bedford in 2021, and his goal was to lead the club into the Premier League. Gemini started sponsoring it in 2022. In April 2024, Winklevoss Capital announced a $4.5 million investment.

The Twins and Trump

Over the last three years, the twins have become some of the biggest crypto donors in US politics.

The timing of the June 2026 gift drew attention. It came 23 days after the CFTC announced it had joined Gemini's request to undo part of its 2025 judgment. The filings show no clear evidence that the two events are linked.

Will the Winklevoss Twins Sell Bitcoin?

For years, the twins built their public image around never selling. They said they'd hold Bitcoin even if it matched gold's market cap, framing that stance as more than a trade: a bet that Bitcoin, not fiat, is where money is headed.

The first exception dates back to 2014, when reports say the twins sold part of their original Bitcoin stake to help fund Gemini's launch. That fits a pattern: selling to build the business, not selling because they'd lost faith in Bitcoin.

A more recent, repeating pattern is harder to explain away. Starting in March 2026, blockchain analytics firm Arkham Intelligence tracked a string of transfers from the twins' cold storage into Gemini's hot wallets: $130 million in March, $67.5 million in June, and $60 million (plus $7 million in Ethereum) in July.

Arkham flagged all three as matching a typical selling setup, moving assets from custody into wallets used to liquidate. None of the transfers were confirmed as sales by the twins themselves, but the frequency and the direction (cold storage to exchange) are the exact signals analysts watch for.

By July 2026, Arkham estimated the twins were down to roughly $300 million in Bitcoin, a steep drop from the billions their stash was worth at Bitcoin's earlier highs.

Even so, Arkham put their total Bitcoin profit since 2015 at around $1.7 billion, so this looks far more like a long-term holder taking profit in stages than the twins walking away from the asset.

This is also why moves like these get watched so closely. When someone holding a position this large buys or sells, it can move the entire market,^[2] and some of that effect can be exactly what the investor intended.

Bitcoin's price can also be nudged in less direct ways, through mainstream and social media coverage of a big holder's activity, which is part of why every Winklevoss wallet transfer tends to generate headlines on its own.

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Conclusions

Winklevoss twins, Bitcoin, and everything in between: the story keeps changing shape. They went from Harvard rowers, to Zuckerberg's rivals, to Bitcoin's earliest believers, to exchange founders, to Nasdaq-listed CEOs. Along the way, nearly every legal fight that once looked like it could sink them ended quietly.

What hasn't changed is the core bet they made in 2013. Even as Gemini goes through a rough 2026, and even as their own wallets show steady Bitcoin sales, the twins still hold a large Bitcoin position and still frame themselves as long-term believers.

The content published on this website is not aimed to give any kind of financial, investment, trading, or any other form of advice. BitDegree.org does not endorse or suggest you to buy, sell or hold any kind of cryptocurrency. Before making financial investment decisions, do consult your financial advisor.

Scientific References

1. A. Jalan, R. Matkovskyy: 'Systemic Risks in the Cryptocurrency Market: Evidence from the FTX Collapse Author Links Open Overlay Panel'.

2. S.C. Long, Y. Xie, Z. Zhou, et al.: 'From Whales to Waves: The Role of Social Media Sentiment in Shaping Cryptocurrency Markets';