NewLimit

NewLimit is a biotechnology company working to radically extend human healthspan.

Latest funding

$435M Series B+ · June 2, 2026

Led by Founders Fund · Source: x.com

Total raised: $650M across 4 sourced rounds

All 4 rounds ↓

Website: newlimit.com.

X: @newlimit · 43,014 followers.

Categories: Health and bio Education.

Stage: Series B+.

Based in: San Francisco, United States.

Total raised: $650M in 4 sourced rounds.

Last round: Jun 2, 2026 · 166 days ago.

Headcount: 11–50 employees.

On Recent Funding since: Sep 29, 2026.

Signals

X account@newlimit · created Oct 13, 2021 (5 years old) · 43,014 followers

Website registeredAug 15, 2004 (22 years old)

About NewLimit

We’re developing medicines to treat age-related diseases by reprogramming the epigenome, a new therapeutic mechanism to restore regenerative potential in aged and diseased cells. We leverage functional genomics, pooled perturbation screening, and machine learning models to unravel the biology of epigenetic aging and disease using experiments of unprecedented scale.

TIMELINE · MONEY RAISED

NewLimit | 580 days from X account to first raise on record

@newlimit·Raised $650M in 4 sourced rounds·1 signal before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

Date	Round	Amount	Lead	Source
Jun 2, 2026	Series B+	$435M	FFounders Fund	x.com
Oct 20, 2025	Series B+	$45M	—	blog.newlimit.com
May 6, 2025	Series B+	$130M	KKleiner Perkins	blog.newlimit.com
May 16, 2023	Series A	$40M	—	techcrunch.com

Timeline

October 13, 2021
X account created
August 15, 2004
Website created

Founders and team

JK
Jacob Kimmel Co-founder & CEO

@jacobkimmel · source: newlimit.com
BB
Blake Byers Co-founder

@byersblake · LinkedIn · source: newlimit.com
BA
Brian Armstrong Co-founder

@brian_armstrong · LinkedIn · also Bison Trails · source: newlimit.com
GJ
Greg Johnson Co-Founder & Head of Machine Learning

Investors

Companies like NewLimit

FFive Alarm BioSeed · Feb 2023
VVera GeneticsSeed · May 2026
MMatchpoint Therapeutics$150M Series B+ · Oct 2026
BBreye Therapeutics$76.65M Series A · Sep 2026
IImmorta BioSeed · Oct 2026
AAddition Therapeutics$100M Series A · Dec 2025

Other companies backed by Founders Fund

GGeneral Translation$27M Series A · Nov 2026
OOnodrim$300M Series A · Nov 2026
NNominal$240M Series B+ · Nov 2026
NNorthwood$375M Series B+ · Nov 2026
EErebor$30M · Oct 2026
WWatchtower Labs$35M Seed · Oct 2026

Founders Fund portfolio →

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/newlimit (get a free API key).