Company lists · Data refreshed September 2026

Top 25 Seed stage life sciences investors based in the United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 854 companies tracked

RevenueBase identified 854 company matches for seed stage life sciences investors associated with the United States as of September 2026 and tracks 8,587 professional contacts across them, including 3,652 with verified work emails. New York is the largest hub.

This list covers company matches for seed stage life sciences investors associated with the 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

854Companies

8,587Contacts tracked

3,652Verified emails

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The 25 largest seed stage life sciences investors based in the United States

Ranked by team size

Top 25 of 854 company matches for seed stage life sciences investors based in the 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	NEW Enterprise Associates NEA	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 17, 2026	51-200	277 contacts →
	Exact match “New Enterprise Associates, Inc.(NEA) is a global venture capital firm focused on helping entrepreneurs build transformational businesses across multiple stages, sectors and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	RA Capital Management	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	201-500	251 contacts →
	Exact match “Founded in 2004, RA Capital Management is an active, multi-stage investment manager dedicated to evidence-based, science-led investing in public and private healthcare, life…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Kleiner Perkins	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 17, 2026	n/a	205 contacts →
	Exact match “For five decades, Kleiner Perkins has partnered with intrepid founders to build iconic companies that made history.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	SANTÉ	Exact match	Austin, TX, United StatesHQ recorded Sep 17, 2026	11-50	149 contacts →
	Exact match “Founded in 2006, Santé Ventures is a specialized healthcare and life sciences investment firm with roughly $1 billion in capital under management, across five funds.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Atlas Venture	Exact match	Cambridge, MA, United StatesHQ recorded Sep 17, 2026	11-50	123 contacts →
	Exact match “Atlas Venture is a leading biotech venture capital firm.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	SOSV	Exact match	Princeton, NJ, United StatesHQ recorded Sep 17, 2026	51-200	119 contacts →
	Exact match “SOSV is the most active deep tech venture capital firm globally, investing at pre-seed (or at startup inception) supporting visionary founders intent on making a profound impact…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Labcentral	Exact match	Cambridge, MA, United StatesHQ recorded Sep 17, 2026	51-200	116 contacts →
	Exact match “LabCentral is Cambridge, MA's premier network of shared laboratory spaces and scientific communities, designed to jumpstart the launch of promising early-stage life-sciences…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	RTW Investments, LP	Exact match	New York, NY, United StatesHQ recorded Sep 17, 2026	51-200	116 contacts →
	Exact match “RTW is a life sciences investment and innovation firm.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	curie.bio	Exact match	Remote, United StatesHQ recorded Sep 17, 2026	51-200	115 contacts →
	Exact match “Curie.Bio is a venture capital firm that helps founders discover and develop important new medicines.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Third Rock Ventures	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	51-200	113 contacts →
	Exact match “We discover, launch and build great companies based on bold ideas that meet at the intersection of science, strategy, business and medicine – where transformational science meets…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	F-Prime	Exact match	Cambridge, MA, United StatesHQ recorded Sep 17, 2026	11-50	107 contacts →
	Exact match “F-Prime enables companies to turn their boldest ambitions into world-changing breakthroughs in life sciences, technology, healthtech + services, and crypto.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	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
13	Imedglobal Corporation	Exact match	Fort Washington, PA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	99 contacts →
	Exact match “iMEDGlobal and FMD K&L are now rebranded as ClinChoice Inc.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	MPM Bioimpact	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	11-50	95 contacts →
	Exact match “MPM BioImpact is a world-leading biotechnology investment firm with nearly three decades of experience creating and investing in companies that seek to translate scientific…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Madrona	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	11-50	84 contacts →
	Exact match “Seed, early stage and acceleration stage investor and partner for founders.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Drive Capital	Exact match	Columbus, OH, United StatesHQ recorded Sep 17, 2026	11-50	81 contacts →
	Exact match “Venture Capital firm helping founders build the next generation of world class companies.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Venrock	Exact match	Palo Alto, CA, United StatesHQ recorded Sep 17, 2026	51-200	71 contacts →
	Exact match “Originally established as the venture capital arm of the Rockefeller family in 1969, Venrock partners with entrepreneurs to build some of the world’s most disruptive, successful…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Launchpad Venture Group	Exact match	Newton, MA, United StatesHQ recorded Sep 17, 2026	n/a	69 contacts →
	Exact match “Launchpad Venture Group is a Boston-area angel investing group focused on locally based, early stage companies, primarily in high tech and life sciences.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Portal Innovations	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	11-50	67 contacts →
	Exact match “Portal Innovations is a premier venture development engine that bridges scientific ideation in life sciences, medtech, and bioinformatics through commercial proof of concept by…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Arch Venture Partners	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	11-50	62 contacts →
	Exact match “Early stage venture firm focused on life science discoveries to prevent, detect and cure disease.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	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
22	Optum Ventures	Exact match	Boston, United StatesHQ recorded Sep 17, 2026	11-50	60 contacts →
	Exact match “At Optum Ventures, we look for exceptional teams with data-driven technologies and services that are poised to deeply disrupt the status quo.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	HPA	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	56 contacts →
	Exact match “HPA is a leading early-stage investor.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	BEN Franklin Technology Partners Of Southeastern Pennsylvania	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 17, 2026	11-50	54 contacts →
	Exact match “We’re (not just) investors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Foresite Capital	Exact match	Larkspur, CA, United StatesHQ recorded Sep 17, 2026	51-200	52 contacts →
	Exact match “Foresite Capital is a multi-stage healthcare and life sciences investment firm with ~$3.5B in assets under management (as of 06/30/24).” 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 854 seed stage life sciences investors based in the United States

See the full list, filter by size, metro and specialty, and access 3,652 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Seed stage life sciences investors based in the United States at a glance

As of Sep 17, 2026

42.5%Verified-email coverage

10.1Average contacts per company

1-10Median size (employees)

12.8%Largest-city concentration · New York

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

628

11-50

189

51-200

201-500

1,001-5,000

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 854 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 the 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 3,652 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

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 the United States?

RevenueBase identified 854 company matches for seed stage life sciences investors associated with the 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?

NEW Enterprise Associates NEA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most seed stage life sciences investors?

New York leads with 109 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 3,652 professional contacts with verified work emails tracked across these 854 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.