Pitch Book He noted that the first half of 2026 has delivered exceptional venture capital activity in the United States, but most of the momentum is concentrated among a handful of companies. artificial intelligence leaders.
Pitch BookThe Mid-Year Update to the 2026 U.S. Venture Capital Outlook, released in late June, assesses progress against four key forecasts made at the end of 2025: improved limited partner sentiment, increased early-stage risk don’t make a dealgradual return of sustainable strength and liquidity in late-stage investments.
early stage financing It appears to be performing in line with expectations and heading towards new highs.
By May 31, the pace of initial funding points to more than 7,000 deals for the entire year; this is a record that would surpass previous peaks by more than 1,300 transactions.
Artificial intelligence It is an important catalyst that significantly reduces the cost and complexity of starting a new company.
A record 63 percent of companies founded through Stripe Atlas in the second quarter of 2026 were founded by a single person.
Leading multi-stage investors have bucked the trend, with firms like Andreessen Horowitz closing dozens of seed and Series A or B rounds by mid-June.
Late-stage and venture growth activity was even more striking. From the beginning of the year to May, late-stage deals totaled $59.3 billion in approximately 1,990 transactions.
Attempt-Growth capital reached an extraordinary $274.2 billion in just five months; That’s more than double the 2025 total.
However, this performance is largely aimed at AI base model companies.
The four rounds, which included OpenAI, Anthropic (twice), and xAI, accounted for 86.4 percent of all venture growth capital deployed so far this year.
Average deal sizes for: artificial intelligence Companies in Series D and beyond outperformed their non-AI counterparts by 57 percent.
The concentration has sent unicorn valuations sharply higher. The total post-money valuation of active US unicorns has risen to $6.6 trillion year-to-date, largely driven by the rise to prominence of AI.
anthropic Post-money valuation reached $965 billion and OpenAI reached $852 billion; Databricks and Waymo are also among the leading names.
Fundraising has picked up but remains concentrated among larger players. Commitments reached $62.4 billion in the first five months of 2026, pushing the year toward one of the strongest annual totals in recent history.
funds Companies larger than $1 billion accounted for about 72 percent of capital year-to-date, while first-time executives’ share was less than 10 percent. Sovereign wealth funds and megaphones are particularly active.
Liquidity improved selectively. The first quarter featured record debut volumes, highlighted by massive special tours.
SpaceX It completed its IPO in June at a valuation of $1.75 trillion, and its shares rose 19 percent on its first day of trading.
The deal generated more liquidity than all VC-backed IPOs in the previous decade combined.
Anthropic and OpenAI They have filed confidentially for an IPO, and their results are expected to set important benchmarks for AI valuations and broader market sentiment.
Pitch Book He notes that trends in the second half will likely mirror those of the first half.
Mega-IPOs The dominant story will remain, secondary assets are gaining traction as a liquidity channel and deal activity will remain strong even as capital flows remain concentrated.
continuing power artificial intelligence The investment will largely depend on the positive reception of these high-profile listings in the public market. owned by PitchBook concluded It highlights how the industry has demonstrated remarkable resilience despite external headwinds and how technological innovation continues to reshape. venture capital ecosystems.
