Investing Profile

Thomas Tull

InvestorAngelCEOFounder

Founder, Chairman and CEO at Tulco, LLC

tulcoholdings.com/about/Pittsburgh, Pennsylvania

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Current Investing Position

Angel

Investment Range

$5K - $50K

Sweet Spot

$25K

Investments On Record

Thomas Tull is on these Sector & Stage Rankings

AI (Series B)Data Services (Series B)BioTech (Series B)Robotics (Seed)Media/Content (Seed)Data Services (Seed)Robotics (Series B)Consumer Internet (Series B)Robotics (Series A)Media/Content (Series B)Data Services (Series A)Media/Content (Series A)BioTech (Seed)AI (Seed)BioTech (Series A)AI (Series A)Consumer Internet (Seed)Midwest Consumer Internet (Series A)

Thomas Tull's Investments On Record (29)

Company	StageDateRound Size	Total Raised
Lambda	Series ENov 2025$1.5B Series DFeb 2025$480M Series CFeb 2024$320M	$2.3B
Co-investors: Zach Bratun-Glennon (Gradient Ventures), Gaetano Crupi (Prime Movers Lab), Lukas Biewald, Greg Brockman
Stoke Space	Series DOct 2025$510M	$580M
Co-investors: Morgan Beller (NFX), Justin Mateen, Kevin Weil, Trevor Blackwell, Kyle Vogt
Modular	Series CSep 2025$250M	$350M
Co-investors: Deep Nishar (General Catalyst)
Colossal Biosciences	Series CSep 2025$120M Series CJan 2025$200M Series BJan 2023$160M Series AMar 2022$60M SeedMay 2021$15M	$560M
Co-investors: Milad Alucozai (BoxOne Ventures), Tom Chi (At One Ventures), Robert Nelsen (ARCH Venture Partners), Elia Montanari, Jeffrey Wilke
Oxide Computer Company	Series BJul 2025$100M	$140M
Co-investors: Gaetano Crupi (Prime Movers Lab), Seth Winterroth (Eclipse Ventures)
Gecko Robotics	Series DJun 2025$130M Series CDec 2023$100M	$340M
Co-investors: Deep Nishar (General Catalyst), Joe Lonsdale (8VC), Jake Seid (Ballistic Ventures), Philip Carson (Cubit Capital), Sebastian Bausch (11k Ventures), Gaetano Crupi (Prime Movers Lab), Ana Levine (E1 Ventures), Mark Kvamme (Drive Capital), Emil Lee, Louis Beryl, Vivek Patel, Natasha Ahmed
Ditto	Series BMar 2025$82M Series AApr 2023$45M	$130M
Co-investors: John Borthwick (Betaworks Ventures)
Shield AI	Series FMar 2025$240M Series FOct 2023$300M Series EDec 2022$60M	$980M
Co-investors: David Frankel (Founder Collective), Daniel Gwak (Point72 Ventures), Doug Philippone (Snowpoint Ventures), Ana Levine (E1 Ventures), Frank Taylor (Virginia Venture Partners), Catherine Wood, Natasha Ahmed