About

AT&T Ventures is the corporate venture capital arm of AT&T, founded in 1991. Invests in companies driving innovation in connectivity, IoT, artificial intelligence, and emerging technologies. Focuses on Seed through Series B stage companies globally.

Key facts

At-a-glance profile data

Website: att.com
Type: Corporate Venture Capital
Headquarters: United States
Portfolio companies: 6
Stages: Series A
Series A-X
Series B
Series C
Series D
Cheque size: $45M to $520M
Sector focus: Cybersecurity
Data
Enterprise
Generative AI
Data Loss Prevention

Recent investments

Recent funding rounds AT&T Ventures took part in
Date	Company	Round	Amount
3 Aug 2025	Carbyne 911	Series D	$100M
9 Apr 2024	Cyera	Series C	$300M
12 Nov 2023	Sweet Security	Series A	$75M

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Frequently asked

What companies has AT&T Ventures invested in?

AT&T Ventures has invested in Carbyne 911, Cyera, Sweet Security, ORAN Development Company, Oxide Computer and 1 more.