Late last year, Warren Buffett announced that his fortune will be directed to a charitable trust managed by his three children when he dies.
The announcement, made via Berkshire Hathaway where Buffett, 93, is chairman and CEO, was the first indication of how the famous investor planned to distribute his assets upon his death.
The fact Buffett waited to make these plans until he was 93—and his children were between the ages of 65 and 70—is not necessarily unusual for very wealthy people whose estate plans, and philanthropic giving strategies, constantly evolve, according to wealth management experts.
“We tell our clients all the time, you want to try to have as much flexibility in your future planning as possible because you just don’t know how situations are going to change,” says Paul Karger, co-founder and managing director of wealth advisory firm TwinFocus in Boston.
Buffett, for instance, made a lifetime commitment in 2006 to distribute annual grants to five foundations: the Bill and Melinda Gates Foundation, the Susan Thompson Buffett Foundation (named for his late wife), and foundations run by each of children. Since then, he has distributed Berkshire B shares valued at about US$55 billion when they were received to these organizations, Buffett said in a June 28 statement issued by Berkshire Hathaway. The Bill and Melinda Gates Foundation—where Buffett served as a board member until Gates and French Gates announced their divorce in 2021—had received US$39.3 billion through 2023, the organization’s website said.
Annual gifts to those foundations will continue until Buffett dies and his remaining assets are transferred to the charitable trust. In the June 28 statement, Buffett said his current holdings of Berkshire A shares (which he converts to B shares to make the charitable contributions) “are worth about US$127 billion, roughly 99.5% of my net worth.”
When Buffett announced his intentions for the distribution of this fortune, he said his children “were not fully prepared” in 2006 to serve as executors of his will and trustees of the charitable trust “but they are now.”
Recognising that things change and that “it’s impossible to prepare for every scenario,” is a lesson that Karger often preaches.
Currently, Karger’s firm is working with a billionaire family that wants to give all their money away to charity. “They don’t want their kids to have any,” Karger says.
So TwinFocus is trying to introduce planning techniques to “baby-step” this family’s intentions, “because some of those decisions are not reversible,” he says. “There are seasons to our lives, and we think about life differently in different seasons. You don’t want to live with a mistake that you can’t fix, especially with this level of wealth.”
Justin Flach, managing director for wealth strategy in the San Diego office of Ascent Private Capital Management, the ultra-high-net-worth division of U.S. Bank Wealth Management, says Buffett’s strategy of providing gifts to his children’s foundations since 2006 and now deciding to create a charitable trust funded by his assets that they will manage, is an established approach.
“That’s something you see very commonly with families is that as the family starts to dip its toe into philanthropy, they need to learn together and train together and make sure they’re aligned about how they want to proceed,” Flach says. “Something like this isn’t uncommon because it just shows a family adapting over time.”
Flach also encourages ultra-rich families to begin giving away wealth during their lifetime, as Buffett has done, and he sees far more of them taking this approach today. By doing so, philanthropists can experience “their full empathy” during their lifetime. It also means they can find out if their charitable strategy works or not.
“It allows them to assess [whether] the people they’re working with are the right partners,” Flach says. It also allows them to see whether those they hope to hand their charitable assets off to are “trained and ready to take over when they’re gone.”
A charitable trust—the structure that Buffett is using to absorb his wealth—is an “irrevocable” vehicle for tax purposes, meaning, the assets in the trust can’t be taken out for anything other than distributing funds to nonprofits.
In Buffett’s case, his three children “must act unanimously” when deciding where the trust’s assets will be granted, he said. They also must designate successors. Buffett indicated he isn’t placing more rules on the trust because “wise trustees above ground are preferable to any strictures written by someone long gone.”
He did say, however, that the trust will be spent down “after a decade or so,” and will have a “lean staff.”
Setting up a charitable trust, such as the one Buffett’s children will direct, serves two purposes. It “helps them fund the family’s philanthropy long after the family members have passed,” Flach says, and “there’s an estate tax deduction for gifts to charity at death. That can be a very valuable way to reduce your estate taxes.”
The trust structure is similar to a private foundation, although only a trust can be created through a will, he says. Both vehicles are treated the same for tax purposes and have the same disclosure requirements, meaning they have to tell the IRS where the money is granted and they have to distribute at least 5% of assets each year to qualified nonprofits.
Though Buffett has chosen to have his trust spent down, a family could instead create a perpetual trust that would live on through generations, Flach says.
For very wealthy families, it’s important to regularly review estate plans, including plans for charitable giving. At least every five years, documents should be reviewed to ensure past choices still make sense and can be amended as needed, Karger says.
The super wealthy, those with assets of US$100 million or more, should consider using their current lifetime gift exclusion—currently US$13.1 million per person—to create an irrevocable trust. That would allow an individual “to move assets outside of their estate [and] let them grow for the next generation estate tax exempt,” he says.
Flach agrees wealthy families should regularly assess their estate and philanthropic planning, which, depending on a family’s situation or desire, could be annually or every few years.
“Going back through and making sure that you’d make the same decisions today
that you made when you created the plan, based on the facts of what they are today,
is a really good exercise,” Flach says. “It allows you to make sure that when ultimately you do pass on, or when you’re ultimately giving to a philanthropic cause, that your wishes are truly being carried out, as opposed to what your wishes may have been 20, 30, 40 years ago.”
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Austin, Texas, company Core Scientific went from bankruptcy to stock market darling this year by betting on two technologies: Bitcoin mining and AI data centers. Shares are up 400%.
But if given the choice of whether to invest more in one business over the other, executives answer without hesitating: the data centers.
“We really just value long-term, stable cash flows and predictable returns,” Chief Operating Officer Matt Brown said in an interview. The company began life as a Bitcoin miner. Even though Bitcoin has been a great asset lately, it’s very volatile. By comparison, Core Scientific can earn steady profits for years by hosting servers owned by companies that sell cloud services to AI providers, Brown said.
This year, you couldn’t go wrong betting on either. Bitcoin is up 116%, and data centers are in high demand because tech companies need them to power their AI applications.
The two technologies seem to have little in common, but they both depend on the same thing: access to reliable power. Core Scientific has a lot of it, operating nine grid-connected warehouses in six states with access to so much electricity they could serve several hundred thousand homes. Other Bitcoin miners have similarly transitioned to data center hosting , but few with quite so much success.
Core Scientific’s business didn’t look quite so good at the start of the year. The company started 2024 under the shadow of bankruptcy protection. It had too much debt on its balance sheet after going public through the SPAC process in 2022 and succumbed to a Bitcoin price crash. But the company’s fortunes quickly turned around after it emerged from bankruptcy on Jan. 23 with $400 million less debt.
The company started the year focused entirely on crypto mining, but quickly pivoted as it saw demand surge for electricity for AI data centers.
In June, the company signed a deal with a company called Coreweave to lease data center space for AI cloud services. Coreweave has since agreed to lease 500 megawatts worth of space. Core Scientific says it will get paid $8.7 billion over 12 years under the deal.
Privately held Coreweave is one of the fastest-growing companies behind the AI revolution. It was once a cryptocurrency miner, but has since transitioned to offering cloud services, with a particular focus on artificial intelligence. It’s closely connected to Nvidia , which has invested money in Coreweave and given the company access to its top-end chips. Coreweave expects to be one of the first customers for Nvidia ’s upcoming Blackwell GPUs.
Core Scientific’s quick success in this new world has surprised even the people who are driving it.
“Every once in a while I need to pinch myself, to see I’m actually not dreaming,” Brown said.
Core Scientific’s success does create a high bar for the stock to keep rising. The company is expected to lose money this year, largely because of a change in the value of stock warrants—an accounting shift that doesn’t reflect underlying earnings. Analysts see the company becoming profitable in 2025, when more of its data center deals start to hit the bottom line. They see EPS jumping tenfold by 2027. Shares trade at about 13 times those 2027 estimates.
The data center opportunity should only grow from here, as tech companies build more powerful AI systems. Of the 1,200 megawatts worth of gross power capacity Core Scientific has contracted, about 800 megawatts are going to data center computing deals and 400 megawatts toward Bitcoin mining.
Brown said the company has good relationships with its power suppliers and can potentially add more capacity without having to buy more real estate. It expects to be able to secure about 300 more megawatts worth of power at existing sites, perhaps by the end of the year.
It’s also in the hunt for new sites, including at “distressed” conventional data centers that have lost their tenants. Core Scientific has figured out how to quickly spiff up bare-bones data centers and turn them into high-tech sites with resources like liquid cooling equipment and much higher levels of electricity.
A single server rack in a standard data center might need 6 or 7 kilowatts of power. A high-performance data center can use as much as 130 kilowatts per rack; Core Scientific is working on increasing capacity to 400 kilowatts. The company likens the process of upgrading the warehouses to turning a ho-hum passenger vehicle into a Formula One racing car.
Core Scientific’s transformation from a broken-down jalopy to a hot rod has been a wild story. Its fate next year will depend on just how quickly the AI revolution unfolds.
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