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Gemseki

St Luke's Tower 28F 8-1, Akashi-cho, Chuo-ku, Tokyo, 104-0044, Japan

Overview

Portal platform connecting drug candidates with developers and licensors.

Founded

2017

Deals ยท 12mo

2

Links

WebsiteLinkedIn

Stage focus

Series A

Geographic focus

Japan
United States

Sector focus

Business Development
Financial Services
Marketplace

Investment portfolio

7rounds
NAMEDATESIZE
Typewriter Therapeutics
Sep 2026Participated
$56 MSeries A
Avisi Technologies
Feb 2026Participated
$11 MSeries A
Cytonus Therapeutics
Dec 2023Participated
$12 MSeries A
Toregem BioPharma
Jul 2023Participated
$3 MSeries A
Cellusion
Jun 2023Participated
$20 MSeries C
Toregem BioPharma
Mar 2022Participated
$3 MSeries A
Cellusion
Jan 2022Participated
$10 MOther Equity
Typewriter Therapeutics
Sep 2026Participated
$56 MSeries A
Avisi Technologies
Feb 2026Participated
$11 MSeries A
Cytonus Therapeutics
Dec 2023Participated
$12 MSeries A
Toregem BioPharma
Jul 2023Participated
$3 MSeries A
Cellusion
Jun 2023Participated
$20 MSeries C
Toregem BioPharma
Mar 2022Participated
$3 MSeries A
Cellusion
Jan 2022Participated
$10 MOther Equity
7
Items
Browse all public portfolio deals

Insights

Time horizon

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Deal Distribution

Gemseki: 7 funding rounds are recorded in the selected participation categories.All available history.
Gemseki: 7 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Series A05
Series C+01
Other Equity01

Monthly Deal Activity

Gemseki: 7 deals are recorded across 58 months.All available history.
Gemseki: 7 deals are recorded across 58 months. All available history
MonthDeals
Jan '221
Feb '220
Mar '221
Apr '220
May '220
Jun '220
Jul '220
Aug '220
Sep '220
Oct '220
Nov '220
Dec '220
Jan '230
Feb '230
Mar '230
Apr '230
May '230
Jun '231
Jul '231
Aug '230
Sep '230
Oct '230
Nov '230
Dec '231
Jan '240
Feb '240
Mar '240
Apr '240
May '240
Jun '240
Jul '240
Aug '240
Sep '240
Oct '240
Nov '240
Dec '240
Jan '250
Feb '250
Mar '250
Apr '250
May '250
Jun '250
Jul '250
Aug '250
Sep '250
Oct '250
Nov '250
Dec '250
Jan '260
Feb '261
Mar '260
Apr '260
May '260
Jun '260
Jul '260
Aug '260
Sep '261
Oct '260

Sector Breakdown

Gemseki: Health & Life Sciences is the largest displayed sector by deal count (7 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.

Gemseki: Health & Life Sciences is the largest displayed sector by deal count (7 deals). All available history
SectorDeals
Health & Life Sciences7
Space & Frontier Tech1

Deal Size Distribution

Gemseki: 7 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.

Gemseki: 7 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M2
$5M-$10M1
$10M-$25M3
$25M-$50M0
$50M-$100M1
$100M-$250M0
$250M-$500M0
$500M-$1B0
$1B+0

Deals By Geography

Gemseki: Japan has the largest recorded deal count among the displayed regions (4 deals).All available history.

Top 2 of 2 regions; European countries are grouped as Europe.

Gemseki: Japan has the largest recorded deal count among the displayed regions (4 deals). All available history
RegionDeals
Japan4
United States3
Gemseki: 20 co-investors are shown, with Astellas Venture Management sharing 2 recorded deals.All available history.

Co-Investors

Bubble size = shared deals

Click a bubble to open that fund in a new tab.

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.

Gemseki: 20 co-investors are shown, with Astellas Venture Management sharing 2 recorded deals. All available history
Co-investorShared deals
Astellas Venture Management2
DBJ Capital2
SMBC Venture Capital2
University of Tokyo Edge Capital2
Accanto Partners1
AIS CAPITAL1
AN Ventures1
ANRI1
Axil Capital1
Creative Ventures1
Golden Seeds1
Good Growth Capital1
JIC Venture Growth Fund 21
JIC Venture Growth Investments1
Keio Innovation Initiative1
KreaMedica1
Kyoto City1
Kyoto University Innovation Capital1
Life Sciences Greenhouse of Central Pennsylvania1
MedVenture Partners1

Investment Strategy

Gemseki: Led accounts for 0% and participating for 100% of round participation.All available history.
Gemseki: Led accounts for 0% and participating for 100% of round participation. All available history
CategoryDeals (count)Share (%)
Led00%
Participating7100%
Gemseki: Single-lead accounts for 0% and co-led for 0% of lead dynamics.All available history.
Gemseki: Single-lead accounts for 0% and co-led for 0% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead00%
Co-led00%

Lead dynamics requires at least one led deal in this range

Team

No team members found for this fund.