US start-ups are elevating extra cash than at any level since 2021 due to investor bullishness about synthetic intelligence, however the enterprise capital market has tilted sharply in direction of funding a handful of big non-public tech corporations.
Greater than $30bn has been invested into fledgling teams already this quarter, in keeping with PitchBook knowledge. An extra $50bn of fundraising can also be in practice, as enterprise capitalists work on a collection of main offers involving OpenAI, Secure Superintelligence and defence tech start-up Anduril.
The keenness over AI has led buyers to spend at their quickest fee for the reason that market’s peak in 2021, a interval wherein $358bn flooded into tech teams, saddling many with unrealistic valuations.
However VC teams imagine this funding cycle might be completely different. “AI is a transformative power that makes these corporations higher,” mentioned Hemant Taneja, chief government of Basic Catalyst, one among Silicon Valley’s largest enterprise corporations.
“The best way to consider it’s ‘can these companies moderately develop 10x from the place they’re?’ The reply with all of those is sure, so they’re moderately priced,” he added.
After a two-year droop, US fundraising leapt to about $80bn within the final quarter of 2024, in keeping with knowledge from PitchBook. That represented one of the best fourth quarter since 2021. However simply six giant offers — involving OpenAI, xAI, Databricks and others — accounted for 40 per cent of that complete, mentioned Kyle Stanford, director of analysis at PitchBook
“It is a very elite group of corporations which might be commanding the VC funding,” he added.
On the idea of offers already closed and people anticipated to take action within the coming weeks, the primary quarter of this yr is ready to see comparable ranges of funding — which might make it one of the best first quarter for fundraising since 2022.

Prior to now two weeks alone, fintech corporations Stripe and Ramp have introduced funding rounds at valuations of $91.5bn and $13bn, respectively, and AI start-ups Anthropic and Protect AI have inked offers at $61.5bn and $5.3bn, respectively.
VCs are additionally engaged on a collection of huge investments. OpenAI is in talks with SoftBank to lift $40bn at a $260bn valuation, which might be the most important funding spherical ever, surpassing the $10bn funding into Databricks late final yr.
Anduril, based by Palmer Luckey, is in discussions to lift not less than $2bn at a $30bn-plus valuation, greater than doubling the valuation it achieved in a funding spherical final summer time, in keeping with two individuals with information of the matter. Anduril declined to remark.
These extra established corporations have annual revenues within the a whole lot of thousands and thousands or billions of {dollars} and are rising quick. That makes them comparatively protected bets, in keeping with Basic Catalyst’s Taneja, who has backed Anduril, Anthropic, Ramp and Stripe.
“It’s so ambiguous the place cash might be made in AI, that numerous capital finally ends up concentrating into these corporations which might be class leaders with a buyer base and huge markets,” he mentioned.
However the pleasure over AI has additionally boosted youthful corporations with no revenues and, in some circumstances, no product.
Secure Superintelligence, launched final yr by Ilya Sutskever, co-founder and former chief scientist at OpenAI, raised $1bn at a $5bn valuation in 2024 and is in talks to lift new capital at a valuation of $30bn or extra, in keeping with two individuals with direct information of the deal. It has not but introduced a product. SSI declined to remark.
The large funding rounds being carried out mark a big departure from conventional enterprise capitalism, which targets nascent corporations and is ruled by the “energy regulation” that states one of the best start-up in a portfolio will greater than repay the losses from the rest that fail.
“We’ve all the time thought [a venture fund’s] 50x return will come from a seed funding which they exit at IPO,” mentioned PitchBook’s Stanford.
In a largely untested experiment, that logic is now being utilized to corporations which might be orders of magnitude bigger and extra developed by a brand new breed of what Stanford calls “pseudo-VCs”.
These embody Josh Kushner’s Thrive Capital, Basic Catalyst and Lightspeed Enterprise Companions, all of which have invested in additional than one of many giant rounds in latest weeks. All three corporations are registered funding advisers, permitting them to spend money on a wider vary of asset lessons and to carry corporations after they go public.
Every of the three teams have additionally raised $5bn-plus funds, giving them “scale sufficient to spend money on start-ups at a $1bn valuation and maintain on for 15 years till its value $50bn, investing in a number of methods alongside the way in which”, mentioned Stanford.
In response to Sebastian Mallaby, writer of The Energy Legislation, the conviction that even the priciest start-ups can nonetheless scale by 10 occasions is what “allows fund managers to hurry in with excessive enthusiasm to marquee names and say ‘who cares what I’m paying? I’m a genius moving into this identify.’”
Whereas the probabilities of a longtime firm failing are slimmer, Mallaby cautioned, so too are the percentages its valuation will improve ten- or a hundred-fold. “The habits that labored very well in early-stage investing must be tailored once you transfer to a lot greater rounds.”
The big funding rounds in dialogue as we speak represented “a very completely different fashion of enterprise than I’ve ever skilled”, mentioned Stanford.
VC’s peak in 2021 was characterised by a rising tide of spherical sizes and valuations: there have been about 854 offers of $100mn or bigger that yr, in keeping with PitchBook. This yr, complete funding is monitoring near 2021 ranges, however the market has turn out to be more and more lopsided.
“In case you’re OpenAI or Anduril — a high-growth, named model — you might be very effectively positioned. The cash is there for you . . . In case you’re on the opposite facet, as most corporations are, the cash shouldn’t be there,” mentioned Stanford.
“Possibly it finally ends up at $80bn [raised this quarter], however $40bn of that is only one spherical . . . even the outliers in 2021 have been minuscule in comparison with that.”
Further reporting by Cristina Criddle in San Francisco