Fathom Capital
Venture capitalSan Francisco · Seed–Series B · 1 people tracked
Find your way into Fathom Capital
6,730 people in our graph share verified history with the Fathom Capital team — schools, employers, funds. One of them is your warm intro.
Investment thesis
Early-stage VC focused on enterprise applications and IT infrastructure, differentiated by its sector-specific investment focus.
Source: firm website, verified Aug 7, 2026.
Team · 1 people
from public directoriesWhat they invest in
from 5 of 5 portfolio companiesSaaS ×5Enterprise Software ×3AI & Machine Learning ×2Developer Tools ×2Fintech ×2B2B Marketplaces ×1Consumer ×1Data & Infrastructure ×1
HQs:United States×3
Investments · 5 tracked
founders shown can be your intro pathBy year:2022 · 22021 · 12019 · 14 dated
Knoq operates a platform that recruits and trains neighborhood representatives to conduct direct-to-home sales and customer engagement for brands, helping companies connect with consumers through local, in-person interactions.
B2B MarketplacesConsumerDirect to ConsumerMarketing TechSaaSSales Tech
Kendall Tucker(Founder, CEO)in
Co-investorsBACKGROUND CAPITALTechstarsWalnut Venture Associates
Clerk provides user management and authentication infrastructure for developers, enabling quick integration of complete user management systems into applications.
Developer ToolsEnterprise SoftwareSaaSSan Francisco, US
Braden Sidoti(Executive Officer, Director)inColin Sidoti(Executive Officer, Director)in
BoardShvetank Jain(Director)Karan Mehandru(Director)in
Co-investorsAndreessen HorowitzCRV (Charles River Ventures)Madrona Venture GroupMenlo VenturesPreston-Werner VenturesGeorgian+4 more
Harness AI DLC is a cost management and observability platform that tracks AI tool spending, developer productivity, and code delivery outcomes together.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaS
Co-investorsDecibel PartnersEniac VenturesFika
Tesorio provides a Connected Financial Operations platform that automates accounts receivable workflows including collections, cash application, forecasting, and payment management for finance teams at growing companies.
AI & Machine LearningEnterprise SoftwareFintechSaaSSan Francisco, US
Carlos Vega(Founder/CEO)inFabio Fleitas(Founder)in
Co-investorsCarao VenturesFloodgateFundersClubKube VCMadrona Venture GroupMango Capital+6 more
Truv operates a consumer-permissioned data platform that gives financial institutions direct access to income, employment, asset, tax, transaction, and insurance data through a unified API.
Data & InfrastructureFintechSaaSNew York City, US
Kirill Klokov(Co-Founder & CEO)inIlya Chatsviorkin(Co-Founder & CTO)in
Co-investorsAbstract VenturesChapter OneElefundFunction VenturesKleiner PerkinsNimble Partners+3 more
Exits · 1
IPOs and acquisitions across the tracked portfolioPropeloacq. by Harness
Portfolio news
latest coverage across their companiesClerk · trysignalbase.com · Oct 17, 2025
Frequently asked questions
- What stage does Fathom Capital invest at?
- Fathom Capital invests at the Seed, Series A, Series B stages.
- What sectors does Fathom Capital focus on?
- Fathom Capital focuses on AI & Machine Learning, Cybersecurity, Data & Infrastructure, Developer Tools, Enterprise Software, Marketing Tech, SaaS.
- Where is Fathom Capital located?
- Fathom Capital is headquartered in San Francisco, US.
- Does Fathom Capital lead rounds?
- Fathom Capital typically participates in rounds rather than leading them.
Co-investors · 17
Mango Capital is an early-stage venture firm investing in enterprise software founders at inception, before product-market fit, with a focus on agent infrastructure and intelligent applications.
Kleiner Perkins is a venture capital firm that backs founders across technology and life sciences, from early stage through growth.
S28 Capital is a venture firm run by former operators and entrepreneurs who invest in and support founders building consumer and enterprise startups.
Lightspeed is a global venture capital firm that has spent over two decades backing innovative companies as an early and first investor.
Stride VC invests in seed-stage companies operating in the United Kingdom and France.
Buckley Ventures is a venture capital firm that makes concentrated early-stage investments in internet, software, and frontier technology companies.
Point Nine is an early-stage venture capital firm that has operated for nearly 15 years, emphasizing focus over scale.
Hustle Fund is an early-stage venture capital firm that invests quickly in startups, offering capital along with educational programs and mentorship. It also runs an angel investing community that lets members invest alongside the fund.
Uncorrelated Ventures invests in infrastructure software
Causal is a financial planning and analysis platform that enables finance teams to move beyond traditional spreadsheet-based planning by integrating data from multiple sources and providing dynamic forecasting, budgeting, and scenario planning capabilities.
Baseline Ventures is a pioneering "micro VC" firm structured as a one-man operation where Steve Anderson handles all sourcing, decision-making, and partnering himself, writing concentrated seed checks from small funds rather than using a traditional multi-partner platform. Despite being one of Silicon Valley's smallest investment firms, Baseline achieved outsized success with multiple billion-dollar outcomes including Instagram (where Anderson was the very first investor) through Anderson's fast, gut-based decision style that emphasizes founder quality over elaborate modeling.
Earl Grey Capital is an early-stage venture fund founded by operators who previously built Clearbit, an API-first data company acquired by HubSpot in 2023.
▶5 more co-investors
Cherubic VenturesElsewhere PartnersGovtech FundStarVest PartnersBrightCap Investment Advisor AD
Firms observed investing alongside Fathom Capital, from public investor directories. Shared companies are the overlap with Fathom Capital's recorded portfolio.
Similar investors
Maverick Ventures Israel is an early-stage venture capital firm founded by entrepreneurs, backing Israeli technology startups across diverse industries with capital and operational support.
OMERS Ventures is a venture capital firm that invests in founders globally, with investment teams based in New York, Palo Alto, and Toronto.
Heartfelt Capital is an early-stage venture capital firm that acts as a first investor for founders building companies across Europe and the US, focusing on the journey from zero to one and reaching product-market fit.
Companyon Ventures is a venture capital firm that backs founder-led B2B software startups, making about four Series A investments per year and providing deep post-investment support in fundraising, talent, and go-to-market.
Everywhere Ventures is an early-stage venture firm, backed by a community of founders and operators as LPs, that writes early checks (including pre-seed) into startups across many sectors and geographies.













