SignalbaseUpdated 29 Aug 2026

Top recently funded startups in United States, week of 2021-03-08

United States logged 33 verified funding rounds in the week ending 07 Mar 2021, totalling ≈$3.7B. Oscar Health anchors the week with a ≈$1.2B ipo in Insurance. Software Development was the busiest sector with 9 deals.

Week of 2021-03-08United States33 deals≈$3.7B raised

Country	United States
Deals this week	33
Total raised	≈$3.7B
Top sector	Software Development (10)
Most common round	Seed (6)
Most active investor	8VC (2 deals)
Sources tracked	101

The biggest 5 deals this week

#	Company	Amount	Round	Sector	Announced
1	Oscar Health	$1.2B	ipo	Hospitals and Health Care	03 Mar 2021
2	Web Ventures	$500.0M	Series D	Finance	01 Mar 2021
3	Rocket Lab	$470.0M	pipe	Aerospace	01 Mar 2021
4	Airtable	$270.0M	Series E	Software Development	14 Sept 2020
5	Instacart	$200.0M	Series H	Software Development	08 Oct 2020

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28 more funding rounds this week

Evidation, Inside Real Estate, Clari, CB Insights, Beam Dental, Beam Benefits, Tomorrow.io, Ascension and 20 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

Oscar Health

Announced 03 Mar 2021

$1.2B · ipo · Hospitals and Health Care · United States

Oscar Health is a leading healthcare technology company, whose mission is to make a healthier life accessible and affordable for all.

“Oscar Health - Wikipedia Jump to content Main menu Main menu move to sidebar hide Navigation Main page Contents Current events Random article About Wikipedia Contact us Contribute Help Learn to edit Community portal Recent changes Upload file Special pages Search Search Appearance Donate Create account Log in Personal tools Donate Create account Lo”
From the announcement · 03 Mar 2021

Web Ventures

Announced 01 Mar 2021

$500.0M · Series D · Finance · United States

“Ro Company Information - Funding, Investors, and More Mentioned on: FEATURED IN Startups Discover startups Startup Rankings Discover the fastest growing tech startups around the world.”
From the announcement · 01 Mar 2021

Most active investors this week

#	Investor	Deals
1	8VC	2
2	Accel	2
3	Bain Capital Ventures	2
4	Coatue Management	2
5	D1 Capital Partners	2
6	Sapphire Ventures	2
7	Y Combinator	2
8	01 Advisors	1
9	Allos Ventures	1
10	AngelList	1

What this week tells us

Software Development accounted for 9 of 33 verified deals in United States this week. The stage mix was 7 early-stage (pre-seed to seed) against 26 Series A or later. 8VC was the most active investor, backing 2 of the week's rounds.

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Built from 33 verified funding signals tracked by Signalbase. Window: 01 Mar – 07 Mar 2021. Last refresh: 29 Aug 2026.