Black Flag (@BlackFlagVC) — Twitter Score 4 out of 1000

Black Flag is a virtual accelerator program that provides capital and hands-on support to founders building critical technologies across aerospace, biology, energy, robotics, AI, manufacturing, health, and cybersecurity. Black Flag's Twitter Score is 4.2 out of 1000 as of October 2026, ranking #186,021 among 498,071 tracked accounts.

Black Flag accepts early-stage companies and invests directly through Harpoon Ventures, its affiliated investment partner. Applications submitted to the program are simultaneously reviewed by Shield Capital and In-Q-Tel, each of which makes its own independent investment decisions. Accepted founders receive between $250,000 and $1,000,000 in capital, along with go-to-market guidance, introductions to mentors, and support raising follow-on funding.

Black Flag has established partnerships that give participating companies technology credits or platform access from Palantir, Anthropic, Second Front, and Microsoft for Startups. Among its selected companies is Tectonic Labs, which develops quantum-era digital money and quantum-secure technology designed to protect blockchains, financial networks, and national infrastructure.

Black Flag's portfolio includes Tectonic. Black Flag has published 210 posts and has 1,572 followers as of October 2026. Black Flag has been mentioned by 8 accounts, with 9 total mentions.

Who follows Black Flag on X?

The accounts that follow Black Flag include 25 founders, 5 angel investors, 1 influencers and 1 VCs. Among them are Vance Spencer, Eddie, Edgar, Gill Verdon, Austin Hill and Cobra.