SignalbaseUpdated 23 Sept 2026

Top recently funded startups in United States, week of 2025-12-08

United States logged 120 verified funding rounds in the week ending 07 Dec 2025, totalling ≈$13.6B. American VULKAN Corporation anchors the week with a ≈$2.4B project financing in Mechanical power transmission components. Technology, Information and Media was the busiest sector with 27 deals.

Week of 2025-12-08United States120 deals≈$13.6B raised

Country	United States
Deals this week	120
Total raised	≈$13.6B
Top sector	Technology, Information and Media (26)
Most common round	Seed (30)
Most active investor	Y Combinator (14 deals)
Sources tracked	465

The biggest 5 deals this week

#	Company	Amount	Round	Sector	Announced
1	American VULKAN Corporation	€2.2B	project financing	Mechanical power transmission components	03 Dec 2025
2	Synopsys Inc	$2.0B	—	Software Development	01 Dec 2025
3	Baxter Cardiac Care Solutions - US	$2.0B	notes offering	Hospitals and Health Care	04 Dec 2025
4	Angle Health	$600.0M	Series B	Hospitals and Health Care	18 Sept 2026
5	Bridgepoint Consulting	€500.0M	financing round

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115 more funding rounds this week

Stratos International, Inc., Qwest Corporation, Castelion, Eon.io, Eons, eonCapital, EON, Ricursive Intelligence and 107 more closed rounds this week. Sign up to see amounts, round types, sectors and investor lists.

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Closer look at the top 3

American VULKAN Corporation

Announced 03 Dec 2025

€2.2B · project financing · Mechanical power transmission components · United States

“Vulcan Energy secures $2.6bn financing package for lithium project Oops, something went wrong Skip to navigation Skip to main content Skip to right column Yahoo Finance News Finance Sports More News Today's news US Politics World Weather Climate change Science Originals Newsletters Games Life Health Parenting Horoscopes Shopping Food Travel Autos G”
From the announcement · 03 Dec 2025

Investors: European Investment Bank, Five Export Credit Agencies, Seven commercial banks, KfW Raw Materials Fund, HOCHTIEF, Siemens Financial Services, Equity raising investors at €2.24 per share, Demeter.

Synopsys Inc

Announced 01 Dec 2025

$2.0B · Software Development · United States

Synopsys is the leader in engineering solutions from silicon to systems, enabling customers to rapidly innovate AI-powered products.

“💵 𝙇𝙖𝙩𝙚𝙨𝙩 𝙁𝙪𝙣𝙙𝙞𝙣𝙜𝙨 (from AI images to retail to satellite data…) 🔥 A wave of new rounds — led by Databricks’ $5B raise target & Nvidia’s $2B bet on Synopsys plus strong mid-market deals : $300M for Black Forest Labs, $70M for voice upstart Gradium. Follow MapCo - AI Deals to track VC in the AI ecosystem.”

Most active investors this week

#	Investor	Deals
1	Y Combinator	14
2	Sequoia Capital	7
3	Bond	4
4	Greenoaks	4
5	Lightspeed Venture Partners	4
6	General Catalyst	3
7	Omri Casspi	3
8	Union Square Ventures	3
9	Vine Ventures	3
10	Accel	2

What this week tells us

Technology, Information and Media accounted for 27 of 120 verified deals in United States this week. The stage mix was 50 early-stage (pre-seed to seed) against 70 Series A or later. Y Combinator was the most active investor, backing 14 of the week's rounds.

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Built from 120 verified funding signals tracked by Signalbase. Window: 01 Dec – 07 Dec 2025. Last refresh: 23 Sept 2026.