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Venture Capital Mega-Funds Pour Billions Into AI and Deep Tech in 2026
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Vicky Galfat
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October 19, 2026
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4 MIN READ
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a16z, Bessemer, Bain Capital Ventures, Radical and Lightspeed have raised or targeted billions for AI. See what the new VC dry powder means for startups.
Venture capital funds 2026, VC dry powder, AI startup funding, a16z $15 billion fund, Bessemer $5.75 billion, Bain Capital Ventures Fund XI, Radical Breakouts Fund, Lightspeed India Partners V, American Dynamism, deep tech investing, AI venture capital
Venture capital's war chest is filling up again. U.S. firms raised just $66.1 billion for new funds in 2025, the weakest year for fundraising since 2017. Now some of the industry's biggest names have secured, or are actively raising, billions more for the next wave of AI and deep tech companies. Here is what the latest VC dry powder looks like and why it matters for founders and investors.
Andreessen Horowitz: $15 Billion Across Five Funds
In January, a16z announced more than $15 billion in new funds, its largest haul to date. The biggest piece, $6.75 billion, went to its growth fund, while the Apps and Infrastructure funds each received $1.7 billion. The firm's American Dynamism practice, which backs defense and security startups, received $1.176 billion. The remainder was split between a bio and health fund and $3 billion for other venture strategies. Axios
Bessemer Venture Partners: $5.75 Billion From Seed to Growth
On September 23, Bessemer raised $5.75 billion in a single close, including $1.75 billion for seed and early-stage deals and $4 billion for growth investments. Since 2022, the firm says it has put more than $3 billion into over 260 AI-native companies. Roughly 70% of its deals still happen at the earliest stages, and the firm manages about $20 billion in assets. Calcalist
Bain Capital Ventures: $1.6 Billion for "Life After AGI"
Bain Capital Ventures closed its 11th fund at $1.6 billion, a 14% increase over its previous $1.4 billion fund. It plans to back 30 to 40 companies, mostly from seed through Series B. The thesis centers on the application and infrastructure layers that gain value once advanced AI is widely available. The fund spans infrastructure, software, robotics, science and security, and it closed above its target. Alternatives Watch
Radical Ventures: Canada's Largest VC Fund
On September 15, Radical Ventures announced the first close of its Radical Breakouts Fund, with more than US$1 billion in commitments, which it calls the largest venture fund in Canada's history. This is a first close, not a final one: Radical describes the fund as multi-billion-dollar, aimed at AI companies that can scale into major global businesses. Limited partners include CPP Investments, PSP Investments, HOOPP and OPTrust. One report put the target at $4 billion, citing the prime minister's office. The Logic
Lightspeed: A Smaller, AI-Only Fund for India and Southeast Asia
Lightspeed is targeting $250 million for Lightspeed India Partners V, half the size of its $500 million predecessor, with 80% of the target already committed. Its thesis is that AI will create more value in India than the internet did. The firm's India portfolio already includes Sarvam AI, one of the country's earliest large language model developers. Globally, Lightspeed manages over $65 billion and raised a record $9 billion in December 2025. TechCrunch
What the Mega-Funds Signal
These announcements point to three trends:
1. Capital is concentrating in established platforms. Large firms with deep LP relationships are raising multi-billion-dollar funds while the overall fundraising market remains thinner than in past years.
2. Growth-stage money is expanding. Bessemer's $4 billion growth vehicle and Radical's Breakouts Fund reflect a bet that top AI companies will stay private for longer.
3. AI-first mandates are becoming standard. Even Lightspeed's regional India fund is now AI-only.
For founders, more capital is available, but investors increasingly expect an AI-native strategy. Dry powder is also not deployed capital. These funds will invest over several years, and returns depend on whether today's AI valuations hold.
The Bottom Line
From a16z's $15 billion to Lightspeed's focused $250 million India fund, venture firms are placing large, long-term bets on AI and deep tech infrastructure. Watch where this capital lands over the next 12 to 18 months, since it will shape which categories get funded and which founders get the next round.
Vicky Galfat
University of Mumbai/BCA
Learning, building, and exploring the world of technology one project at a time.
