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AT&T Ventures focuses on early-stage investments (Seed to Series B) in companies that drive innovation in connectivity, IoT, artificial intelligence, and other game-changing technologies globally. Their strategy involves supporting startups across various technology verticals, including network and edge computing, advanced Internet of Things applications, connected home solutions, autonomous vehicles, and cybersecurity.
Deal activity increased 400% year-over-year (5 deals in the last 12 months). Average disclosed round size is $152.5M (across 11 rounds with reported amounts).
Portfolio
12
Fund Size
—
Top Stage
Unknown
Last 12 Mo
5
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
12 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 ORAN Development Company, LLC | Series A | $45M | Mar 2026 |
 Selector | Series B | $33M | Feb 2026 |
 Apptronik | Growth | $520M | Feb 2026 |
 RelationalAI | Series C | $22.5M | Dec 2025 |
 Carbyne | Unknown | $100M | Jul 2025 |
 Aura | Series G | $140M | Mar 2025 |
 Cyera | Series C | $300M | Apr 2024 |
 Databricks | Growth | $500M | Nov 2023 |
 CommonLit | Unknown | $4M | Jun 2018 |
 Lumina Networks | Series A | $10M | May 2018 |
| LLearnPlatform | Seed | $3.2M | Jan 2018 |
| DDerq | Unknown | — | — |
Top Co-Investors
Accel2 shared
Qatar Investment Authority2 shared
Nvidia2 shared
Hanaco Ventures1 shared
TenEleven Ventures1 shared
Warburg Pincus1 shared
General Catalyst1 shared
Singtel Innov81 shared
HyperLink Ventures1 shared
Two Bear Capital1 shared
Atlantic Bridge1 shared
SineWave Ventures1 shared
Amazon Web Services1 shared
M12 (Microsoft)1 shared
Sanabil Investments1 shared
Andreessen Horowitz1 shared
Baillie Gifford1 shared
Capital One Ventures1 shared
ClearBridge Investments1 shared
Last updated: 16 April 2026