Alt Capital Research Document
Investment Thesis
Alt Capital is an early-stage, generalist venture firm founded by Jack Altman (former CEO of Lattice) that invests in exceptional founders regardless of industry category. The fund believes that the best returns come from backing brilliant people who are solving important problems, rather than betting on specific sectors or trends. With a concentrated portfolio approach and check sizes of $1-25M, Alt Capital operates as a founder-focused, operator-led firm with tight founder relationships. The firm has demonstrated particular strength in AI-related investments and technology applications across diverse domains.
Stage Focus
Alt Capital invests from company inception through Series A, with primary focus on early-stage companies. The firm's portfolio shows concentration at seed and series A stages, where they provide both capital and hands-on operational support. Recent investments confirm active deployment across both pre-seed and series A rounds, with capacity to write large checks ($25-40M) in strong follow-on rounds.
Check Size and Capital
- Fund I: $150M (closed February 2024)
- Fund II: $275M (closed September 2025 - raised in just 1 week)
- Typical Check: $1-25M range, with significant follow-on capacity reaching $40M+ in strong companies
- Lead Tendency: Leads and co-leads rounds; recent activity shows leadership positions in Series A and strategic participation in later rounds
Investment Process and Decision Timeline
Alt Capital operates as a lean, operator-focused team under founder Jack Altman. The firm maintains a concentrated portfolio approach (limiting the number of portfolio companies), suggesting selective, high-conviction investing. Decision-making appears fast and founder-friendly, consistent with Altman's background and the firm's operator-led culture. Co-investors frequently include Accel, BoxGroup, SV Angel, Electric Capital, DCVC, and Liquid 2 Ventures.
Recent Activity and Fund Status
Fund II Status: Actively deploying (closed September 2025, immediately began investment activity)
Recent Investments (January 2026 - November 2025):
- January 14, 2026: depthfirst (Series A, $40M) - AI for production security
- November 26, 2025: San Francisco Compute Company (Series A, $40M) - Real-time compute platform
- November 17, 2025: Span (Series A, $25M) - Energy/infrastructure software
- October 2025: Biogenesis (funding undisclosed) - Clinical trial automation platform with AI
- Multiple other strategic investments in October 2025
Last Known Activity: January 14, 2026 (depthfirst investment)
Portfolio Overview
Alt Capital's portfolio spans 45+ companies across diverse sectors with heavy AI/ML concentration. Publicly visible recent portfolio includes: Antares Industries, Avoca, Bot.co, David AI, DepthFirst, Fillout, Leya, Owner, Parahelp, Pursuit, Retell AI, Rogo, SF Compute, Town, Paid, and Zite.
Team and Governance
Founder & Managing Partner: Jack Altman
- Former co-founder and CEO of Lattice (HR software, $3B valuation)
- Created podcast 'Uncapped' featuring conversations with prominent investors and founders
- Known for active founder mentorship and board involvement
Company size: 2-10 employees (lean, operator-focused structure)
Geographic Focus
Based in San Francisco, California with focus on US-based companies. Recent activity and co-investors suggest concentration in SF Bay Area, NYC, with selective international activity.
Investment Preferences and Anti-Thesis
Positive Thesis Elements:
- Founders solving important, differentiated problems
- Teams with operational excellence and founder credibility
- AI/ML applications across diverse domains (recent emphasis)
- Companies with clear path to significant market impact
- Technical founders with deep domain expertise
Decision Process
- Partnership model: Solo GP with small supporting team
- Decision timeline: Rapid (Fund II raised in 1 week)
- Co-investment: Frequently co-invests with quality firms like Accel, BoxGroup, and Sequoia ecosystem
- Warm intros: Likely important given concentrated portfolio and founder-first approach
Notable Characteristics
- Founder-First Philosophy: Jack Altman's quote - 'We invest in founders, not categories' - encapsulates the approach
- Operational Involvement: Altman maintains active CEO role with portfolio companies
- Content Creator: Hosts 'Uncapped' podcast featuring industry leaders and investment insights
- Speed and Decisiveness: Closed entire Fund II ($275M) in one week
- Concentrated Portfolio: Deliberately limits number of companies to provide high-touch support
- AI-Heavy Thesis: Recent portfolio heavily weighted toward AI applications across sectors