Company lists · Data refreshed September 2026

Top 25 Seed stage life sciences investors based in San Francisco, United States

Name: Seed stage life sciences investors based in San Francisco, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 61 companies tracked

RevenueBase identified 61 company matches for seed stage life sciences investors associated with San Francisco, United States as of September 2026 and tracks 669 professional contacts across them, including 272 with verified work emails. Across the United States, New York is the largest hub for this category (103 companies); San Francisco follows with 61.

This list covers company matches for seed stage life sciences investors associated with San Francisco, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 17, 2026 How this list was built

61Companies

669Contacts tracked

272Verified emails

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The 25 largest seed stage life sciences investors based in San Francisco, United States

Ranked by team size

Top 25 of 61 company matches for seed stage life sciences investors based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Canaan	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	11-50	104 contacts →
	Exact match “Canaan is an early stage venture capital firm that invests in entrepreneurs with visionary ideas.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Versant Ventures	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	11-50	61 contacts →
	Exact match “Versant Ventures is a leading healthcare investment firm committed to helping exceptional entrepreneurs build the next generation of great companies.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Sosv SF & NY FKA Indiebio	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	n/a	45 contacts →
	Exact match “IndieBio is now known as SOSV NY and SOSV SF.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	5am Ventures	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	11-50	43 contacts →
	Exact match “5AM was founded in 2002 and pursues investments in advanced life science innovations, and seeks to be diversified across the biopharmaceutical therapeutics, and platform…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Define Ventures	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	1-10	29 contacts →
	Exact match “Define Ventures is one of the largest funds exclusively focused on early-stage digital health companies with $800 million in assets under management.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Altair Capital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	11-50	27 contacts →
	Exact match “AltaIR Capital is an international early-stage venture investment company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	The Column Group	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	11-50	25 contacts →
	Exact match “The Column Group (TCG) is a science-driven venture capital firm that makes significant financial and operational commitments to build early stage drug discovery companies based on…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	BEE Partners	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	1-10	19 contacts →
	Exact match “At Bee Partners, we passionately believe today’s decades-long supercycle of AI-enabled machines will transform our world via software, hardware, and biology.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Illumina Ventures	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	1-10	18 contacts →
	Exact match “Illumina Ventures is an independently managed firm focused on early-stage companies that are pioneering new applications of genomics and enabling precision medicine.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Greatpoint Ventures	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “GreatPoint Ventures is an early-stage venture capital firm founded by entrepreneurs and operators who've built companies cumulatively worth $300 billion.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Health Velocity Capital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	1-10	15 contacts →
	Exact match “Health Velocity Capital invests in growth-stage healthcare software and services companies.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Jazz Venture Partners	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “JAZZ invests in companies that unlock human potential.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	H7 Biocapital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “Headquartered in Silicon Valley, H7 BioCapital is a venture capital firm dedicated to life science investment and Licensing & Strategic Partnership in the pharmaceutical industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Alix Ventures	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	1-10	12 contacts →
	Exact match “Alix Ventures: Driving Patient Impact - Supporting early stage Life Science startups engineering biology to drive radical advances in human health Born from our collective…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Breakout Ventures	Exact match	San Francisco, United StatesHQ recorded Sep 17, 2026	1-10	10 contacts →
	Exact match “Biotech, tech-bio, deep tech, hard tech, chem tech… whatever you call this frontier of science and technology, we've been here for over a decade.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Telegraph Hill Partners	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “Telegraph Hill Partners is a venture capital and growth equity firm dedicated to helping life science, medical device and healthcare companies achieve their growth objectives.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	AXIAL	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	1-10	9 contacts →
	Exact match “Axial partners with great founders and inventors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Haystack	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “Since 2013, Haystack has made approximately 290 pre-seed or seed-stage investments, of which (after proactively marking down our portfolios in 2022), we have over 60 companies…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Rock Health Capital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “We invest in remarkable entrepreneurs working at the intersection of healthcare and technology.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Focus Academy, LLC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “Focus Academy enables emerging international biotech companies to enter and thrive in the US market by providing in-depth business, market, and product development programming.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	babel.ventures	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “BABEL Ventures is leading the charge in early-stage consumer biotech investments.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	DAY ONE Ventures	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “Day One Ventures is an early-stage venture capital firm that backs customer-obsessed companies and spearheads their communications.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Initiate Ventures	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “INITIATE funds and co-creates transformational companies - We focus on bold ideas at the intersection of healthcare, life sciences and technology - We are entrepreneurs and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Convergent Ventures	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “Convergent Ventures was founded by Frank Levinson, Julia Davourie, Christina Jenkins and Zach Jonasson to pursue seed-stage investments in outstanding founding teams focused on…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Aquilo Partners, L.P	Exact match	San Francisco, CA, United StatesHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “Aquilo Partners is a life science investment bank specializing in mergers & acquisitions, licensing/partnership transactions and private placements.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “seed stage life sciences investors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 61 seed stage life sciences investors based in San Francisco, United States

See the full list, filter by size, metro and specialty, and access 272 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Seed stage life sciences investors based in San Francisco, United States at a glance

As of Sep 17, 2026

40.7%Verified-email coverage

11.0Average contacts per company

1-10Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 61 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with San Francisco, United States whose business descriptions match “seed stage life sciences investors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 272 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 17, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Seed stage life sciences investors by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “seed stage life sciences investors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many seed stage life sciences investors are there based in San Francisco, United States?

RevenueBase identified 61 company matches for seed stage life sciences investors associated with San Francisco, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Canaan tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most seed stage life sciences investors?

New York leads the United States with 103 company records, followed by San Francisco (61) and Boston (57).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 272 professional contacts with verified work emails tracked across these 61 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.