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Standard Capital

www.standardcap.com · San Francisco, CA

Investment thesis

AI is accelerating company growth curves so dramatically that traditional, slow, adversarial Series A processes no longer fit the best AI-era companies. Standard Capital leads Series A rounds exclusively for post-product-market-fit companies raising to scale, not to search, offering standardized founder-friendly terms and peer support from operator-investors.

$5M – $10M
Check Size
Leads
Lead Tendency
$425M
AUM
~2 Weeks
Timeline
01Investment Thesis

AI is accelerating company growth curves so dramatically that traditional, slow, adversarial Series A processes no longer fit the best AI-era companies. Standard Capital leads Series A rounds exclusively for post-product-market-fit companies raising to scale, not to search, offering standardized founder-friendly terms and peer support from operator-investors.

Exclusion Criteria

No pre-seed, seed, or growth-stage investing; does not invest in companies still searching for product-market fit.

02Investment Team
DC
Dalton Caldwell
Co-Founder & General Partner
PB
Paul Buchheit
Co-Founder & General Partner
BB
Bryan Berg
Co-Founder & General Partner
03F4 Research Brief

Standard Capital Research

Investment Thesis

Standard Capital is an AI-native Series A firm founded in June 2025 by three former Y Combinator and Stripe operators: Dalton Caldwell (YC's longest-serving Managing Partner of Investments, advisor to DoorDash, Brex, and Deel), Paul Buchheit (creator of Gmail, YC Partner Emeritus, early investor in OpenAI), and Bryan Berg (former CTO of imeem, co-founder of App.net, and 10th-most-tenured engineer at Stripe). The firm's thesis is that AI is accelerating company growth curves so dramatically that traditional Series A processes — slow diligence, opaque terms, and adversarial negotiation — no longer fit the pace at which the best AI-era companies are scaling. Standard Capital leads Series A rounds exclusively in companies that have already achieved product-market fit and are "raising to scale, not to search."

Sector Focus

Standard Capital is largely sector-agnostic within the AI-native software category, but its inaugural Fund I cohort skews heavily toward developer tools and AI infrastructure, with selective bets in vertical AI applications:

  • AI agent infrastructure and orchestration (Trigger.dev, Sim.ai)
  • Developer tooling and QA/testing automation (Momentic, Magic Patterns)
  • Data infrastructure and streaming (Artie, Archil, HUD)
  • Vertical AI agents for finance, HR, and healthcare (Concourse, Bolto, Insight Health)

Stage Focus

Series A exclusively. Standard Capital does not invest at pre-seed, seed, or growth stages — it positions itself as the first institutional lead after a company has proven product-market fit.

Check Size

Standard Capital writes checks in the $5M-$10M range for a minimum 10% ownership stake, and is open to larger checks for up to 20% ownership when founders prefer. Founders themselves propose the valuation and round size rather than the firm dictating terms — a deliberate inversion of typical VC negotiation dynamics.

Lead Tendency

Standard Capital leads every round it participates in — this is core to its model. Every disclosed 2025-2026 investment (Archil, HUD, Bolto, Insight Health, Concourse, Artie, Trigger.dev, Momentic, Sim.ai, Magic Patterns) was announced as "led by Standard Capital."

Recent Activity

Fund I closed at $425M in September 2025, backed in part by Y Combinator itself as an LP. Since then the firm has been actively deploying, leading ten Series A rounds in roughly nine months:

  • June 2026: Led Series A in HUD (AI training-data/RL environment platform)
  • April 2026: Led Series A in Bolto (AI-native HR/payroll/recruiting)
  • April 2026: Led Series A in Archil (cloud filesystem for AI agents)
  • April 2026: Led Series A in Insight Health (clinical AI agents)
  • February 2026: Led Series A in Concourse (AI agents for finance teams)
  • January 2026: Led Series A in Artie (real-time data streaming)
  • December 2025: Led Series A in Trigger.dev (AI agent orchestration)
  • November 2025: Led Series A in Momentic, Sim.ai, and Magic Patterns

The firm runs four funding cycles per year, accepting roughly five companies per cycle (~20/year), and explicitly does not require a warm introduction — any founder can apply directly via the website and receive a fast decision through an application-plus-interview process.

Portfolio Highlights

All ten disclosed Fund I investments are recent Series A leads (no exits or write-downs yet, given the firm's youth):

  • Archil — cloud filesystem for AI agents, $11M Series A, co-invested with YC, Felicis, and Peak XV Partners
  • HUD — post-training dataset/RL environment platform for AI labs, $16M total raised
  • Bolto — all-in-one AI-native recruiting/payroll/HR, $12M Series A, 20x revenue growth since seed
  • Insight Health — clinical AI agents automating healthcare admin work, $11M Series A
  • Trigger.dev — AI agent task orchestration infrastructure used by 30,000+ developers, $16M Series A
  • Momentic — AI-powered software testing/QA automation, $15M Series A, used by Notion, Quora, Webflow, Xero
  • Concourse — enterprise AI agents for finance teams, $12M Series A, 19x revenue growth
  • Artie — real-time data streaming platform processing 700B+ rows/year for ClickUp, Substack, and Alloy
  • Sim.ai — open-source visual AI agent workflow builder, 18,000 GitHub stars, $7M Series A
  • Magic Patterns — AI design-to-production-code tool, $6M Series A, already profitable pre-raise

Team

  • Dalton Caldwell, Co-Founder & General Partner — Longest-serving Y Combinator Managing Partner of Investments (worked 25 YC batches, advised 1,000+ companies including DoorDash, Brex, and Deel); previously co-founded imeem (acquired by MySpace) and App.net.
  • Paul Buchheit, Co-Founder & General Partner — Early Google employee who created Gmail and prototyped AdSense; Partner Emeritus at Y Combinator; co-founded FriendFeed (acquired by Facebook); an early investor in OpenAI.
  • Bryan Berg, Co-Founder & General Partner — Former CTO of imeem and co-founder/CEO of App.net; joined Stripe in 2014 as a Staff Engineer in the CTO's office and left as the company's 10th most-tenured employee, building core security and infrastructure systems.

Decision Process

Standard Capital operates as a tight three-GP partnership rather than a formal investment committee or solo-GP structure. Decisions come via a fast application-and-interview process — founders apply directly on the website with no warm intro required, and the firm targets a quick turnaround (consistent with running four ~5-company cycles per year against a large pool of applicants).

Founder Preferences

Standard Capital backs technical, execution-oriented founders who have already found product-market fit and are looking to scale rather than search for it. The firm emphasizes founder-friendly terms — standardized, pre-negotiated legal documents and peer support from operator-investors — over traditional board-heavy governance. Given the founders' YC and Stripe backgrounds, portfolio founders skew toward alumni of top accelerators (Y Combinator appears as a co-investor in the majority of Fund I deals) and technical teams building AI-native infrastructure or AI agents for defined verticals.

Geographic Focus

Predominantly United States, with a concentration in the San Francisco Bay Area (firm HQ, quarterly in-person office hours for founders) but not exclusively — portfolio companies span San Francisco, New York (Concourse), and Austin (Insight Health).

04Selected Portfolio
Biotech & Life Sciences
Andromeda Surgical
Developer Tools & Infrastructure
Momentic
Enterprise Software
HUD·Trigger.dev·Magic Patterns·artie·Sim·Concourse·Archil
Fintech & Payments
Event Horizon Labs
Healthcare & Digital Health
Insight Health·Weave
HR Tech & Future of Work
Bolto
Logistics & Supply Chain
Revoy
Manufacturing & Industrial
Jeevy Fabrication
Security & Cybersecurity
Casco
Open the full portfolio→
05Recent Updates

Fresh signals from public announcements, essays, and portfolio activity.

See full activity (17) →
Standard Capital led Jeevy Fabrication's Series A. Jeevy Fabrication builds pipes, tanks, fluid systems, and structural assemblies for aerospace and other demanding industries, combining fabrication with AI to turn engineering designs into physical hardware.
INVESTMENT·standardcap.com
OCT 7, 2026
Standard Capital led Revoy's $27M Series A. Revoy electrifies existing diesel semi trucks with a battery-powered dolly that sits between the tractor and trailer, enabling hybrid-electric long-haul freight.
INVESTMENT·standardcap.com
SEP 9, 2026
Dalton Caldwell published an essay on Standard Capital's blog about lessons from funding hard tech companies, drawing on YC's experience with companies like Ginkgo Bioworks, Oklo, Rigetti, and Helion.
ESSAY·standardcap.com
AUG 28, 2026
Standard Capital led Casco's $17M Series A. Casco is an agentic security engineer that hacks your software 24/7 and tells you how to patch it, using AI agents for continuous penetration testing.
INVESTMENT·standardcap.com
AUG 3, 2026
Standard Capital led Weave's $13.5M Series A. Weave builds AI to measure and understand software engineering output, providing a router that optimizes model selection for AI coding tools.
INVESTMENT·standardcap.com
JUL 30, 2026
06Frequent co-investors
BV
Batch Ventures
Both backed 4 of the same companies
HUD, Trigger.dev, Weave, Casco
TV
TwentyTwo VC
Both backed 3 of the same companies
HUD, Sim, Magic Patterns
RF
Rebel Fund
Both backed 2 of the same companies
Trigger.dev, Andromeda Surgical
Find the investors for your round→
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Quick Reference
Check Size
$5M – $10M
Stages
Series A
AUM
$425M
Decision
Partnership · ~2 Weeks
Warm Intro
Not Required
Involvement
Advisor
Location
San Francisco, CA
Sector Focus
Fintech & PaymentsManufacturing & IndustrialLogistics & Supply ChainRobotics & AutomationClimate & SustainabilityEnterprise SoftwareHR Tech & Future Of WorkDeveloper Tools & InfrastructureSecurity & CybersecurityHealthcare & Digital Health
Models
AI-Native SaaSAI AgentsDeveloper Tools
Technology
Ai MlLlm
See all Fintech & Payments investors →See all Manufacturing & Industrial investors →See all Logistics & Supply Chain investors →
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Focus Areas
Fintech & PaymentsManufacturing & IndustrialLogistics & Supply ChainRobotics & AutomationClimate & SustainabilityEnterprise SoftwareHR Tech & Future Of WorkDeveloper Tools & InfrastructureSecurity & CybersecurityHealthcare & Digital Health

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F4 Intelligence Report · Last Researched October 10, 2026F4 Research Engine