SignalbaseUpdated 18 Jul 2026

Top recently funded startups in United States, week of 2021-03-29

United States logged 20 verified funding rounds in the week ending 28 Mar 2021, totalling ≈$1.5B. ServiceTitan anchors the week with a ≈$500.0M Series F in Software Development. Biotechnology was the busiest sector with 3 deals.

Week of 2021-03-29United States20 deals≈$1.5B raised

Country	United States
Deals this week	20
Total raised	≈$1.5B
Top sector	Software Development (4)
Most common round	Series D (5)
Most active investor	Y Combinator (3 deals)
Sources tracked	87

The biggest 5 deals this week

#	Company	Amount	Round	Sector	Announced
1	ServiceTitan	$500.0M	Series F	Software Development	22 Mar 2021
2	SideStripe	$150.0M	Series D	Technology, Information and Internet	28 Mar 2021
3	Proof	$130.0M	Series D	Digital Transaction Management	25 Mar 2021
4	ActionIQ by Uniphore	$100.0M	series c extension	Technology, Information and Media	23 Mar 2021
5	Axonius	$100.0M	Series D	Computer and Network Security	24 Feb 2021

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15 more funding rounds this week

Rec Room, Ginger Software, Scipher Medicine, Lattice, Bazaarvoice, Bevy, Komodo Health, Mercato and 7 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

ServiceTitan

Announced 22 Mar 2021

$500.0M · Series F · Software Development · United States

We’re building the operating system for the trades, a critical industry that’s been underserved by technology for far too long.

“ServiceTitan Raises $62 Million in Series C Funding Led by Battery Ventures Discover your ROI with ServiceTitan : Calculate Now Customer Resource Hub Sign In Logo Back (855) 899-0970 Get Demo Get Demo Logo Commercial Solutions Commercial Service & Replacement Construction Enterprise Private Equity Sales Prospecting Upgrade to Pro Products Key Featu”
From the announcement · 22 Mar 2021

Investors: Dragoneer Investment Group, Tiger Global Management, Sequoia Capital Global Equities, H.I.G. Growth Partners, ICONIQ Growth, Battery Ventures (lead), Bessemer Venture Partners, T. Rowe Price Associates, Inc..

SideStripe

Announced 28 Mar 2021

$150.0M · Series D · Technology, Information and Internet · United States

“Real estate tech startup Side raises $50M more at a $2.5B valuation as it preps for an IPO | TechCrunch TechCrunch Desktop Logo TechCrunch Mobile Logo Latest Startups Venture Apple Security AI Apps Events Podcasts Newsletters Search Submit Site Search Toggle Mega Menu Toggle Topics Latest AI Amazon Apps Biotech & Health Climate Cloud Computing Comm”

Most active investors this week

#	Investor	Deals
1	Y Combinator	3
2	Bessemer Venture Partners	2
3	ICONIQ Growth	2
4	Tiger Global Management	2
5	25 Black investors	1
6	Abstract Ventures	1
7	Accel	1
8	Alkeon Capital Management	1
9	Andreessen Horowitz	1
10	Angela Benton

What this week tells us

Biotechnology accounted for 3 of 20 verified deals in United States this week. The stage mix was 4 early-stage (pre-seed to seed) against 16 Series A or later. Y Combinator was the most active investor, backing 3 of the week's rounds.

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Built from 20 verified funding signals tracked by Signalbase. Window: 22 Mar – 28 Mar 2021. Last refresh: 18 Jul 2026.