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Flux Capital is a venture capital firm founded in 2017, with offices in Los Angeles and San Francisco. The firm focuses on investing in startups that are reshaping the real economy through innovative technologies. Flux Capital has a fund size of $100 million and actively invests in companies at the pre-seed, seed, and Series A stages. The firm is known for its commitment to supporting high-agency teams that possess a strong technical foundation and a vision for long-term impact.
Flux Capital has established itself as a significant player in the venture capital space, deploying over $100 million across various sectors. The firm emphasizes its role as a lead investor, co-investor, or first investor in promising ventures. Its portfolio reflects a diverse range of companies that exemplify its investment philosophy, particularly in sectors such as AI, robotics, hard tech, advanced manufacturing, and financial infrastructure.
Flux Capital primarily invests in the pre-seed to Series A stages, targeting sectors that include AI, robotics, hard tech, advanced manufacturing, and financial infrastructure. The firm seeks to identify and support innovative companies that leverage technical depth and industrial execution to create transformative solutions. Flux Capital's investment strategy is centered around backing exceptional technical founders before a category becomes obvious to the market.
The firm is comfortable leading, following, or being the first investor in promising ventures. Flux Capital emphasizes ambition, technical depth, and industrial execution in its investment thesis. The firm aims to facilitate the transition to new economic systems, particularly through decentralized technologies and financial infrastructure, aligning with its broader goals of innovation in the digital economy.
Flux Capital's portfolio includes notable companies that exemplify its investment focus. Key portfolio companies include:
These companies reflect Flux Capital's commitment to investing in high-potential startups across its focus sectors, showcasing the firm's dedication to supporting innovative solutions that reshape the economy.
Ari Stiegler — Managing Partner. Ari is a three-time founder and CEO, with prior roles including Founding CEO of TutorMe, Prism, and WorkHQ. He has experience overseeing a North American portfolio for a multi-billion-dollar family office.
Mike Loretz — General Partner. Mike founded Inertia Ventures and Tides Ventures, bringing real asset development experience from Fenix Development. He focuses on deal origination, diligence, portfolio management, and capital-intensive businesses.
Shao Yi Qian — Principal. Shao has a background in wealth investment operations and new business support at Wilmington Trust West Coast. He has also worked in lending operations and product/operations at Prism and WorkHQ, focusing on diligence, fund operations, reporting, and analytics.
To pitch Flux Capital, founders should send their proposals via email to contact@fluxcapital.com. It is advisable to include a clear overview of the business model, market opportunity, and the team’s technical expertise in the pitch deck. The firm does not have a public application portal, and responses are typically provided on a rolling basis.
Founders should expect a timely review of their submissions, but specific timelines for feedback may vary. Warm introductions are not required but can enhance the likelihood of engagement.
In recent developments, Flux Capital has continued to expand its portfolio, focusing on companies that align with its investment thesis. The firm has made significant investments in sectors such as AI and robotics, reflecting its commitment to supporting innovative technologies.
As of 2026, Flux Capital has deployed over $100 million across various startups, reinforcing its position in the venture capital landscape. The firm remains active in seeking new opportunities that align with its focus on high-agency teams and transformative solutions.
What stages does Flux Capital invest in?
Flux Capital invests primarily in pre-seed, seed, and Series A stages, focusing on early-stage companies with high growth potential.
What is the typical check size for investments?
The firm typically writes checks ranging from $250,000 to $5 million, depending on the specific needs of the startup and the stage of investment.
What sectors does Flux Capital focus on?
Flux Capital focuses on sectors such as AI, robotics, hard tech, advanced manufacturing, and financial infrastructure, aiming to support innovative companies in these areas.
How can founders pitch to Flux Capital?
Founders can pitch to Flux Capital by sending an email to contact@fluxcapital.com. The firm is open to receiving pitches and evaluates opportunities on a rolling basis.
What makes Flux Capital different from other VC firms?
Flux Capital emphasizes backing exceptional technical founders before a category is obvious to the market. The firm prioritizes ambition, technical depth, and industrial execution in its investment decisions.
What kind of support does Flux Capital provide to its portfolio companies?
Flux Capital adds value by providing strategic guidance, leveraging industry connections, and supporting operational execution to help founders navigate the challenges of scaling their businesses.
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