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Thiel Bio Fund

2121 Avenue of The Stars Ste 3300, Los Angeles, CA, 90067-5060, United States

Overview

Investment firm focused on biotechnology.

Deals · 12mo

3

Links

WebsiteLinkedIn

Stage focus

Series A
Series B

Geographic focus

United States

Sector focus

—

Investment portfolio

4rounds
NAMEDATESIZE
Network Bio
Aug 2026Participated
$50 MOther Equity
HistoSonics
Oct 2025Participated
$250 MOther Equity
Peptilogics
Oct 2025Led
$78 MSeries B
Ataraxis AI
Mar 2025Participated
$20 MSeries A
Network Bio
Aug 2026Participated
$50 MOther Equity
HistoSonics
Oct 2025Participated
$250 MOther Equity
Peptilogics
Oct 2025Led
$78 MSeries B
Ataraxis AI
Mar 2025Participated
$20 MSeries A
4
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Deal Distribution

Thiel Bio Fund: 4 funding rounds are recorded in the selected participation categories.All available history.
Thiel Bio Fund: 4 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Series A01
Series B10
Other Equity02

Monthly Deal Activity

Thiel Bio Fund: 4 deals are recorded across 20 months.All available history.
Thiel Bio Fund: 4 deals are recorded across 20 months. All available history
MonthDeals
Mar '251
Apr '250
May '250
Jun '250
Jul '250
Aug '250
Sep '250
Oct '252
Nov '250
Dec '250
Jan '260
Feb '260
Mar '260
Apr '260
May '260
Jun '260
Jul '260
Aug '261
Sep '260
Oct '260

Sector Breakdown

Thiel Bio Fund: Health & Life Sciences is the largest displayed sector by deal count (4 deals).All available history.

A deal can appear in multiple sectors, so sector totals may overlap. Capital represents disclosed total round sizes, not fund cheque sizes.

Thiel Bio Fund: Health & Life Sciences is the largest displayed sector by deal count (4 deals). All available history
SectorDeals
Health & Life Sciences4
AI & Machine Learning2
Space & Frontier Tech1

Deal Size Distribution

Thiel Bio Fund: 4 rounds have a disclosed size in the displayed size bands.All available history.

Undisclosed round sizes are excluded. Capital represents total round sizes, not fund cheque sizes.

Thiel Bio Fund: 4 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M0
$5M-$10M0
$10M-$25M1
$25M-$50M0
$50M-$100M2
$100M-$250M0
$250M-$500M1
$500M-$1B0
$1B+0

Deals By Geography

Thiel Bio Fund: United States has the largest recorded deal count among the displayed regions (4 deals).All available history.

Top 1 of 1 regions; European countries are grouped as Europe.

Thiel Bio Fund: United States has the largest recorded deal count among the displayed regions (4 deals). All available history
RegionDeals
United States4
Thiel Bio Fund: 17 co-investors are shown, with Founders Fund sharing 4 recorded deals.All available history.

Co-Investors

Bubble size = shared deals

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Shows up to 20 co-investors ranked by shared deals. Deals may be shared with multiple funds, so rows overlap. Capital is total round size, not fund cheque size.

Thiel Bio Fund: 17 co-investors are shown, with Founders Fund sharing 4 recorded deals. All available history
Co-investorShared deals
Founders Fund4
AIX Ventures1
AMR Action Fund1
Bertelsmann1
Beyond Ventures1
Bezos Expeditions1
BlueCross BlueShield Venture Partners1
Breyer Capital1
Floating Point1
Giant Ventures1
JSL Health1
K5 Global1
Narya Capital1
Obvious Ventures1
Presight Capital1
Section 321
Wellington Management1

Investment Strategy

Thiel Bio Fund: Led accounts for 25% and participating for 75% of round participation.All available history.
Thiel Bio Fund: Led accounts for 25% and participating for 75% of round participation. All available history
CategoryDeals (count)Share (%)
Led125%
Participating375%
Thiel Bio Fund: Single-lead accounts for 0% and co-led for 100% of lead dynamics.All available history.
Thiel Bio Fund: Single-lead accounts for 0% and co-led for 100% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead00%
Co-led1100%

Team

Hannes Holste

Director, Life Science Investments & Data Science