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Sam Altman, co-founder and chief executive officer of OpenAI Inc., speaks during TechCrunch Disrupt 2019 in San Francisco, California, on Thursday, Oct. 3, 2019.
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Nuclear fusion is the ephemeral holy grail of climate technology. It would provide nearly limitless amounts of clean energy without the byproduct of long-lasting radioactive waste to be managed.

It’s also the biggest bet Silicon Valley luminary Sam Altman has ever made.

“This is the biggest investment I’ve ever made,” Altman told CNBC of his $375 million investment in Helion Energy, announced Friday. It’s part of a larger $500 million round that the start-up will use to complete the construction of a fusion facility near its headquarters in Everett, Washington.

Altman was the president of the Silicon Valley start-up shop Y Combinator from 2014 through 2019 and is now the CEO of Open AI, an organization that researches artificial intelligence, which he co-founded with Elon Musk and others. (Musk has since stepped away, citing conflicts of interest with Tesla’s AI pursuits.) Altman has also been a big proponent of universal basic income, the idea that the government should give every citizen a basic living wage to compensate for technological disruptions that make some jobs irrelevant.

Years ago, Altman had made a list of the technologies he wanted to get involved in, and artificial intelligence and energy topped that list.

Altman visited four fusion companies, and made his first investment of $9.5 million into Helion 2015.

“I immediately upon meeting the Helion founders thought they were the best and their technical approach was the best by far,” he said.

Helion’s approach to fusion

Nuclear fusion is the opposite reaction of nuclear fission: Where fission splits a larger atom into two smaller atoms, releasing energy, fusion happens when two lighter nuclei slam together to form a heavier atom. It’s the way the sun makes energy, and the basis of hydrogen bombs. Helion is one of a handful of start-ups working to control and commercialize fusion as an energy source, including Commonwealth Fusion Systems and TAE Technologies.

Perhaps the best-known fusion project is Iter in Southern France, where about 35 nations are collaborating to build a donut-shaped fusion machine called a tokamak.

Helion does not use a tokamak, said David Kirtley, Helion’s co-founder and CEO. The fusion machine Helion is building is long and narrow.

Helion’s fusion machine
Courtesy Helion

Helion uses “pulsed magnetic fusion,” Kirtley explained. That means the company uses aluminum magnets to compress its fuel and then expand it to get electricity out directly.

Extremely high temperatures are needed to create the create and maintain the delicate state of matter called plasma, where electrons are separated from nuclei, and where fusion can occur.

In June, Helion announced it exceeded 100 million degrees Celsius in its 6th fusion generator prototype, Trenta.

Kirtley compares Helion’s fusion machine to a diesel engine, while older technologies are more like a campfire. With a campfire, you stoke the fire to generate heat. In a diesel engine, you inject the fuel into a container, then compress and heat the fuel until it begins to burn. “And then you use the expansion of it to directly do useful work,” said Kirtley.

“By taking this new fresh approach and some of the old physics, we can we can move forward and do it fast,” Kirtley said. “The systems end up being a lot smaller, a lot faster to iterate, and then that gets us to commercially useful electricity, which is solving the climate change problem, as soon as possible.”

Helion Energy is using aneutronic fusion, meaning “they don’t have a lot high energy neutrons present in their fusion reaction,” according to Brett Rampal, the Director of Nuclear Innovation at the non-profit Clean Air Task Force.

There are still unknowns with aneutronic fusion, Rampal said.

“An aneutronic approach, like Helion Energy is pursuing, could have potential benefits that other approaches do not, but could also have different downsides and challenges to achieving commercial fusion energy production,” Rampal said.

Overall, though, Rampal believes the wave of investment and innovation in fusion over the last two decades is good news for the industry.

“With so much left to be proven for true commercial fusion approaches, coming at the problem from multiple different angles and trying to determine where the best pros and cons lie with individual technologies is exactly where the fusion industry should be right now,” Rampal told CNBC.

Altman’s three-part utopian vision

For Altman, fusion is part of his overall vision of increasing abundance through technological innovation — a vision that stands apart from many investors and thinkers in the climate space.

“Number one, I think it is our best shot to get out of the climate crisis,” Altman said.

More generally, “decreasing the cost of energy is one of the best ways to improve people’s quality of lives,” Altman said. “The correlation there is just incredibly big.”

Altman’s utopian vision encompasses three parts.

Artificial intelligence, Altman said, will drive the cost of goods and services down with exponential increases in productivity. Universal basic income will be necessary to pay people’s cost of living in the transition period where many jobs are eliminated. And virtually limitless, low-cost, green energy is the third part of Altman’s vision for the world.

Helion Energy co-founders, Chris Pihl (L) and David Kirtley (R).
Photo courtesy Helion Energy

“So for the same reason I’m so interested in AI, I think that fusion, as a path to abundant energy, is sort of the other part of the equation to get to abundance,” Altman told CNBC.

“I think fundamentally today in the world, the two limiting commodities you see everywhere are intelligence, which we’re trying to work on with AI, and energy, which I think Helion has the most exciting thing in the entire world happening for right now.”

But Altman knows that fusion has been elusive for decades. “The joke in fusion is that it’s been 30 years away for 50 years,” he said.

Kirtley was similarly dismayed by the seemingly impossibly time frames to commercialize fusion. “I got into fusion, spent a couple of years learning everything I could about fusion and all the typical approaches, and actually pivoted away from fusion. I said that these timelines don’t help us,” Kirtley told CNBC.

He worked with NASA, the Air Force and the Defense Advanced Research Projects Agency (DARPA) working on space propulsion technology to help humans travel to Mars and beyond.

But the idea of using approaching fusion with new technologies drew Kirtley back.

Kirtley joined his co-founders John Slough, George Votroubek and Chris Pihl to launch Helion in 2013. “We were able to show that there are actually new approaches to fusion that take modern technology — electronics, and fiber optics and computers — that haven’t been applied to the fusion industry as a whole,” Kirtley said.

The Helion Energy team.
Photo courtesy Helion

The money from the round announced on Friday will be used to complete the construction of Polaris, Helion’s 7th generation fusion facility, which it broke ground on in July and which it aims to use to demonstrate net electricity production in 2024.

Other investors in Helion include LinkedIn founder Reid Hoffman, and Dustin Moskovitz, a Facebook co-founder. Moskovitz also participated again in Friday’s funding round.

The mission is personal for Kirtley, as tackling climate change is for so many. He moved from Southern California to Washington in 2008.

“I watch now Washington summers where we have fires now, and we didn’t when I first moved here,” he said. The urgency is tangible as they are “watching the glaciers melt on Mount Rainier.”

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Apple remains Buffett’s biggest public stock holding, but his thesis about its moat faces questions

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May 3, 2024

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Apple remains Buffett's biggest public stock holding, but his thesis about its moat faces questions

Tim Cook and Warren Buffett

Getty Images (L) | CNBC (R)

Berkshire Hathaway‘s Warren Buffett was still using a flip phone as late as 2020, four years after his investment behemoth started amassing a huge stake in the company that makes iPhones.

“I don’t understand the phone at all, but I do understand consumer behavior,” Buffett said last year at Berkshire’s annual shareholder meeting in Omaha, Nebraska.

He’s emerged in recent years as one of Apple’s top evangelists.

At the end of 2023, Berkshire owned about 6% of Apple, a stake worth $174 billion at the time, or about 40% of Berkshire’s total value. That’s about four times bigger than Berkshire’s second-biggest public stock holding, Bank of America, and makes Berkshire the No. 2 Apple shareholder, behind only Vanguard.

As Berkshire investors and fanboys of the 93-year-old Buffett flood Omaha this weekend for the 2024 annual meeting, Apple is likely to be a hot topic of discussion. The tech giant on Thursday reported a 10% year-over-year decline in iPhone sales, leading to a 4% drop in total revenue. But the stock had its best day since late 2022 on Friday due largely to a $110 billion stock buyback plan and increased margins that result from a growing services business.

The bet on Apple and CEO Tim Cook, has paid off handsomely for Buffett, who said in 2022 that the cost of Berkshire’s Apple stake was only $31 billion. His firm is up almost 620% on its investment since the start of 2016.

Despite being a self-described luddite, Buffett has long had a coherent non-techie thesis for loving Apple. He’s seen how devoted Apple users are to their devices, and has viewed the iPhone as an extraordinary product that could keep its customers spending inside the Apple ecosystem. He calls it a moat, one of his favorite words for describing his preferred businesses.

“Apple has a position with consumers that they’re paying $1,500 or whatever it may be for a phone, and these same people pay $35,000 for a second car,” Buffett said at last year’s meeting. “And if they had to give up their second car or give up their iPhone, they’d give up their second car!”

Apple's stock could be poised for more run-up, says Bernstein's Toni Sacconaghi

Data is in his favor. According to a study from Consumer Intelligence Research Partners, Apple has 94% customer loyalty, meaning that nine out of 10 current U.S. iPhone owners choose another iPhone when buying a new device.

Buffett has also hailed Apple’s ability to return billions of dollars to shareholders annually through share buybacks and dividends, a capital allocation strategy for which Buffett may have himself to thank. When asked in a 2016 interview with The Washington Post who he turns to for advice at pivotal moments, Cook offered up a story about his relationship with Buffett.

“When I was going through [the question of] what should we do on returning cash to shareholders, I thought who could really give us great advice here? Who wouldn’t have a bias?” Cook said. “So I called up Warren Buffett. I thought he’s the natural person.”

Apple has shown its appreciation for the Oracle of Omaha in other ways.

In 2019, the company published an original iPhone game called “Warren Buffett’s Paper Wizard” in which a paperboy bikes from Omaha to Apple’s hometown of Cupertino, California.

But with Apple’s business having declined in size in five of the past six quarters and with the company expecting just low-single digit growth in the current quarter, Buffett may face questions this weekend about whether he still sees the same power in the moat, particularly with regulatory pressures building around tech’s megacap companies.

Buffett trimmed his stake in Apple late year, though only by about 1%. Even after Friday’s rally, the stock is down 3.8% in 2024, while the S&P 500 is up 7.5%.

‘Very, very, very locked in’

Berkshire’s initial foray into Apple in 2016 was not Buffett’s idea. Rather, the investment was led by Ted Weschler, one of Buffett’s top deputies, and was seen as a passing of the torch to the next generation of Berskhire investment mangers.

But the following year, Berkshire started purchasing even more Apple, and Buffett began talking it up. He said he liked the stock and the company’s “sticky” product, although he didn’t use it.

In 2018, he said Apple users are “very, very, very locked in, at least psychologically and mentally” to the product and the ecosystem.

“Apple has an extraordinary consumer franchise,” he said.

At last year’s annual meeting, when asked how Berkshire can defend having Apple make up so much of its public portfolio, Buffett said, “It just happens to be a better business than any we own.” He also hailed Cook, calling him one of the “best managers in the world.”

A number Apple likes to use to tout the health of its business, despite the declining revenue, is 2.2 billion. That’s how many devices the company says are currently in use and points to the massive customer base available as Apple rolls out new subscription services.

“Once customers get into the ecosystem, they don’t leave. So it’s not a a speculative tech play,” said Dan Eye, chief investment officer at Fort Pitt Capital Group, which owns Apple shares. “It’s kind of more like an annuity and I think that’s what Warren Buffett really sees as well.”

In addition to the drop in revenue, Apple faces new challenges from regulations and weak overseas markets, as well as from Microsoft and Google’s advancements in artificial intelligence. For regulators, the concern surrounds the very moat that Buffett finds so attractive, and whether its give the company monopolistic control in the smartphone market.

The U.S. government in March alleged that Apple designs its business to keep customers locked in. The Justice Department’s lawsuit claimed that products like Apple Card, the Apple Arcade game subscription, iMessage, and Apple Watch work best or only with an iPhone, creating illegal barriers to competition and making it harder for consumers to switch when it’s time for an upgrade.

However, the litigation is expected to take years, pushing any potential penalties to Apple and its products well into the future. In the meantime, there’s no sign that the iPhone is becoming less important as new devices like virtual reality goggles have found only niche audiences, while consumer AI products have failed to take off.

DOJ's Apple suit not a reason to sell, says Satori Fund's Dan Niles

Buffett hasn’t voiced his view publicly on Apple’s regulatory hurdles, and this will be the first opportunity for investors to ask him about the issue since the DOJ’s lawsuit. But Buffett knows a little something about regulation — two markets where he’s most active are railroads and insurance.

In a note to clients earlier this month, Bernstein analyst Toni Sacconaghi didn’t go deep on regulatory concerns, but mentioned that he doesn’t believe the DOJ suit will “seriously threaten” the strength of Apple’s ecosystem. He also said that following Buffett’s lead on getting in and out of Apple is a solid strategy for making money.

“Despite his reputation as a long term buy and hold investor, Warren Buffett has been remarkably disciplined at adding to his Apple position when it is relatively cheap and trimming when it is relatively expensive,” Sacconaghi wrote. He encouraged investors to “be like Buffett.”

More money back

Odds are that Buffett was thrilled with Apple’s announcement this week regarding its expanded repurchase program. It’s a practice he’s long adored.

“When I buy Apple, I know that Apple is going to repurchase a lot of shares,” he said in 2018. 

And he likes to note how buybacks result in getting a bigger stake in the company without buying more shares.

“The math of repurchases grinds away slowly, but can be powerful over time,” Buffett said in 2021.

Apple also increased its dividend by 4%, and signaled that it would continue to lift it annually.

Buffett was effusive about Apple’s capital return strategy at the company’s annual meeting last year, pointing out that it helped Berkshire own a bigger piece of the pie. Unlike insurance company Geico and homebuilder Clayton Homes, which his firm owns in their entirety, Berkshire can continue to increase its stake in Apple, a fact he reminded investors of at the meeting.

“The good thing about Apple is that we can go up,” Buffett said.

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Apple’s falling iPhone sales don’t bother Wall Street so long as margins, buybacks are increasing

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Apple's falling iPhone sales don't bother Wall Street so long as margins, buybacks are increasing

A 10% decline in iPhone sales sounds like a problem for Apple, considering the company counts on the devices for half its revenue.

But investors didn’t seem to mind Thursday, when Apple revealed the year-over-year drop in its fiscal second-quarter earnings report. The stock rose more than 6% after the market close, a rally that would be the steepest since November 2022 should it continue into regular trading Friday.

Instead of glaring too much at iPhone revenue, Wall Street chose to focus on the positive. Apple’s gross margin expanded to 46.6%, continuing an upward trajectory that reflects the company’s growing services business, which brings with it stout profits.

Apple also signaled overall revenue growth in the current quarter will be in the low single digits, after a 4% decline in the second period. Analysts were looking for third-quarter growth of 1.3%, according to LSEG.

Deepwater Asset Management’s Gene Munster described the guidance as a “relief” given the recent trajectory of the business.

“I was expecting this was going to be flat, some investors were saying it was going to be down a few percent in June,” Munster told CNBC’s “Fast Money” after the report. “I think that was a big part of this move higher.”

But perhaps the biggest catalyst for the pop was Apple’s announcement that it had approved $110 billion of share buybacks, the most ever for a public company. For the past three years, Apple has authorized $90 billion in annual repurchases.

The after-hours jump shows how much investors are valuing Apple’s massive cash flow and the company’s willingness to return more of it to shareholders. It’s a shift in the way Apple has been viewed by Wall Street over the years, away from a hits-driven gadgets business and toward a financial powerhouse.

“Our free cash flow generation has been very strong over the years, particularly the last few years,” Apple CFO Luca Maestri said on an earnings call.

Apple revealed earlier this year that it has 2.2 billion active devices, illustrating the mammoth reach of its customer base as the company rolls out new subscription services. Despite the 4% drop in revenue, Apple still recorded nearly $24 billion in profit, a slip of just over 2% from a year earlier.

Apple said iPhone sales suffered from a difficult comparison to last year, when sales were elevated after previous shortages. Still, investors are looking for future iPhone growth, and many analysts say a potential iPhone with artificial intelligence features could do the trick and help the company snag customers from Android. Annual iPhone revenue peaked in Apple’s fiscal 2022.

While Apple provided some guidance for total revenue, it avoided offering any sort of forecast for iPhone sales.

That’s a change, even for a company that’s been giving less forward guidance since the pandemic. Maestri typically provides trends on iPhone sales, and had for the past four quarters.

There’s no guarantee investors will be able to continue counting on increased buybacks from a company that’s been more aggressive in that department than any other. Apple says it’s trying to draw down its huge cash pile, which stood at $162 billion at the end of the quarter. When its debt is roughly equal to its cash balance — meaning the company is net cash neutral — Apple will evaluate what to do next, executives said Thursday.

As of the end of 2023, Apple had spent $658 billion on buybacks over the past 10 years, far ahead of second-place Microsoft, according to S&P Dow Jones Indices.

“For the last couple of years we were doing $90 billion and now we’re doing $110 billion,” Maestri said on the call.

In terms of what happens when Apple gets to net cash neutral, Maestri said, “let’s get there first. It’s going to take a while still.”

“And then when we are there,” he said, “we’re going to reassess and see what is the optimum capital structure for the company at that point in time.”

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Don’t rate Tesla’s Full Self Driving too highly, tech investor says: ‘By no means autonomous driving’

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May 3, 2024

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Don't rate Tesla's Full Self Driving too highly, tech investor says: 'By no means autonomous driving'

People are shopping at a Tesla store in Shanghai, China, on Feb. 17, 2024.

Costfoto | Nurphoto | Getty Images

News of electric car giant Tesla’s progress toward rolling out its advanced driver-assistance feature in China isn’t as groundbreaking as investors are treating it, according to a top tech investor.

Mark Hawtin, GAM Investment Management’s investment director focused on investing in disruptive growth and technology stocks, told CNBC’ “Squawk Box Europe” Thursday that such expectations were misleading — not least because Tesla’s Full Self Driving service doesn’t offer full autonomous driving.

“We should say what they’re doing — everyone’s talking about this full self-driving capability,” Hawtin told CNBC. “What they’re going to be able to do in China is what they already do in the U.S. or U.K., which is sort of this assisted-driver capability.”

On Monday, shares of Tesla rose sharply, notching their best day since March 2021, after it passed a significant milestone toward the launch of FSD in China. Local Chinese authorities removed restrictions on its cars after passing the country’s data security requirements, Tesla said Sunday.

This raised expectations that Tesla’s FSD would soon be available in China. Tesla shares are up 6.7% in the last five trading days, largely on the back of buzz surrounding its roadmap to bringing FSD to China — plus, comments from CEO Elon Musk about plans to start production of more affordable models in early 2025.

But Hawtin said that the company’s so-called Full Self Driving service lacks the qualities that would make it an example of truly self-driving technology.

“It’s by no means autonomous driving yet,” he told CNBC. He thinks that a version of Tesla FSD capable of “true autonomy” is still five to 10 years away.

Hawtin said that Tesla’s reported deal with China’s Baidu is a bigger short-term win for Baidu than Tesla, adding that competition is intense in China with names like BYD, Huawei, Xpeng, Li Auto, and Xiaomi all supplying technology capable of Level 2 autonomy.

Tesla reportedly scored a deal with Baidu that would allow Musk’s firm to tap into Baidu’s mapping service license, a key requirement for offering FSD on Chinese public roads, per Reuters.

Tesla was not immediately available for comment when contacted by CNBC.

Full Self Driving, or FSD, is an upgrade to Tesla’s Autopilot driver assistant. Tesla doesn’t yet make or sell cars capable of full autonomous driving. It sells “Level 2” driver-assistance systems, marketed under the brand name FSD.

“Level 3” assisted driving, otherwise known as “conditional automation,” entails systems that handle all aspects of driving, but a driver still must be present, according to the SAE standards-setting organization.

Tesla has offered its FSD technology in China for years, but with a restricted feature set that limits it to operations like automated lane changing.

GAM does not own shares of Tesla, and Hawtin said he doesn’t personally own shares either.

– CNBC’s Lora Kolodny and Evelyn Cheng contributed to this report

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