US Startup Funding Rounds: June 15, 2026 – June 21, 2026
25 US venture rounds closed between June 15, 2026 and June 21, 2026, led by Flutterwave at $3.20B (Series E).
Every round below is a named venture round by a US-headquartered company, sourced from SEC filings and verified announcements. Investment funds, IPOs, post-IPO placements and valuation-only reports are excluded.
| Company | Location | Amount | Round | Date | What they do |
|---|---|---|---|---|---|
| Flutterwave | San Francisco | $3.20B | Series E | June 16, 2026 | In March 2021, the San Francisco-headquartered and Lagos-based startup raised $170 million in a Series C round from Tiger Global and Avenir at a valua… |
| Neura | New York | $1.40B | Series C | June 15, 2026 | Neura Health is a virtual neurology clinic with a mission to improve the access and quality of neurological care: increase convenience, improve outcom… |
| Pacific Fusion | Fremont, California | $900M | Series A | June 19, 2026 | Pacific Fusion Corp. is a power company focused on developing a nuclear fusion-based energy source. The company has recently attracted significant fun… |
| Whatnot | MARINA DEL REY, California | $547M | Series F | June 18, 2026 | Whatnot originally started out as a more standard (less live) resale platform, at first focused on authenticating just one kind of collectable: Funko … |
| Articul8 AI | California | $500M | Series B | June 16, 2026 | Articul8 AI is a Generative Artificial Intelligence (GenAI) enterprise software company based in Santa Clara, California. |
| Odyssey AI | Palo Alto, California | $310M | Series B | June 19, 2026 | Odyssey AI is an AI lab headquartered in Palo Alto that builds general-purpose world models. These models predict outcomes in physical space, unlike l… |
| Atom Computing | Berkeley | $300M | Series C | June 16, 2026 | At Atom Computing, we're our customers' biggest fans on the journey of discovery. We're obsessed with creating the world's most scalable and reliable … |
| OpenEvidence | Cambridge, Massachusetts | $250M | Series D | June 15, 2026 | OpenEvidence is a platform designed to assist doctors in making critical decisions at the point of care. It leverages advanced AI technology and is bu… |
| Tensordyne | Sunnyvale, California | $200M | Series D | June 15, 2026 | Tensordyne designs and develops multimodal generative AI inference systems for data centers that serve the need for fast, economical, and accurate Gen… |
| cAMPfield Therapeutics | San Diego, California | $180M | Series A | June 18, 2026 | cAMPfield Therapeutics is a biotech company focused on developing oral medicines for inflammatory bowel diseases (IBD). Recently launched with a $180 … |
| Ent Credit Union | Colorado Springs, Colorado | $100M | Seed | June 16, 2026 | Ent Credit Union is a nonprofit financial institution based in Colorado Springs. Since its founding in 1957, it has been dedicated to serving its memb… |
| Ent | San Francisco, California | $100M | Seed | June 16, 2026 | Ent is a San Francisco-based intent-aware workspace security company that provides a security platform tailored for AI-native enterprises. The platfor… |
| HyperLight | Cambridge, Massachusetts | $80M | Series C | June 19, 2026 | HyperLight is a company based in Cambridge, MA that specializes in thin-film lithium niobate (TFLN) photonics. They deliver high-performance integrate… |
| Novig | New York | $75M | Series B | June 17, 2026 | Novig is America's #1 Sports Prediction Market, and the only platform to offer commission-free, peer-to-peer trading on sports. By eliminating the tra… |
| Hydra Host | Miami, Florida | $70M | Series A | June 15, 2026 | Hydra Host specializes in providing data centers with unparalleled provisioning, management, and security solutions, allowing them to focus on their c… |
| Triveni Bio | Waltham | $65M | Series C | June 17, 2026 | Triveni Bio is a biotech company pioneering a genetics-informed precision medicine approach to develop functional antibodies for the treatment of I&I … |
| Gradial | Austin, New York | $65M | Series C | June 18, 2026 | Gradial is the enterprise generative AI platform for transforming content management and customer journey intelligence. Gradial leverages frontier gen… |
| Arcade.dev | San Francisco, California | $60M | Series A | June 15, 2026 | Arcade.dev is a San Francisco-based company that enables AI agents to securely take real-world actions on behalf of users. The platform provides hundr… |
| Arcade | HILLSBOROUGH, California | $60M | Series A | June 16, 2026 | Today, the company announced the product, which has been in private beta for the last 8 months, is available to the public. The startup also announced… |
| Radical Numerics | San Francisco, California | $50M | Seed | June 15, 2026 | Radical Numerics is an AI research lab focused on building general biological intelligence. Founded by pioneers in generative genomics, the company ai… |
| Interchecks | New York | $50M | Series C | June 15, 2026 | Founded in 2016, Interchecks Technologies, Inc. is a privately held payment startup with offices in Brooklyn, New York and Boca Raton, Florida. Interc… |
| COUR Pharmaceuticals | Chicago | $50M | Series B | June 18, 2026 | We are a group of dedicated scientific, medical, and business professionals who are driven to find treatments and cures to a variety of diseases. By a… |
| Vedana Therapeutics | Seattle, Washington | $46M | Series A | June 17, 2026 | Vedana Therapeutics is a biotechnology company focused on developing next-generation therapies for migraine prevention. Founded by leading migraine ex… |
| BCC Research | Boston, Massachusetts | $43M | Series B | June 17, 2026 | BCC Research is a Boston-based market research firm with strengths in the life sciences. They provide objective, unbiased measurement and assessment o… |
| Connie Health | Boston | $40M | Series B | June 18, 2026 | — |
Frequently asked
Which US startups raised funding between June 15, 2026 and June 21, 2026?
25 US companies closed named venture rounds between June 15, 2026 and June 21, 2026, raising $8.74B in total. The largest were Flutterwave ($3.20B, Series E), Neura ($1.40B, Series C), Pacific Fusion ($900M, Series A). Each round below is sourced from SEC filings and verified announcements, and excludes investment funds, IPOs and post-IPO placements.
What was the largest funding round of the week of June 15, 2026?
Flutterwave of San Francisco raised $3.20B in a Series E round announced June 16, 2026. In March 2021, the San Francisco-headquartered and Lagos-based startup raised $170 million in a Series C round from Tiger Global and Avenir at a valuation of $1 It was the largest US venture round recorded in this window across 25 qualifying rounds.
How many US venture rounds closed this week?
25 named US venture rounds closed between June 15, 2026 and June 21, 2026, totalling $8.74B. This counts only rounds with a named series (Seed through Series G+) by US-headquartered operating companies. Investment funds raising vehicles, IPOs, post-IPO equity and valuation-only reports are excluded so the figures reflect genuine startup fundraising.
These are the rounds. Fundz gives you the people to call at each one — verified decision-makers matched to your market, the moment a round lands.
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