Harpoon | 14,213 followers on LinkedIn. Harpoon is an early-stage venture capital fund. | Harpoon is America’s venture firm. We invest in early-stage founders building the technologies critical to U.S. power. 60+ portfolio companies. $1B+ in government contracts. We were early to the thesis that national resilience and geopolitics would define the next era of venture, recognizing the importance of a firm purpose-built for America’s resurgence.