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The Venture Codex

CTK

13855 Stowe Drive, Poway, CA, 92064, United States

Overview

Innovative immunodiagnostic tools and point of care test kits.

Founded

1997

Deals ยท 12mo

1

Links

LinkedInX (Twitter)

Stage focus

Seed
Series B

Geographic focus

United States
Uruguay

Sector focus

Biotechnology
Health Care
Medical Device

Investment portfolio

2rounds
NAMEDATESIZE
Antarka
Mar 2026Participated
$4 MSeed
OROS Labs
Apr 2024Participated
$22 MSeries B
Antarka
Mar 2026Participated
$4 MSeed
OROS Labs
Apr 2024Participated
$22 MSeries B
2
Items
Browse all public portfolio deals

Insights

Time horizon

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Deal Distribution

CTK: 2 funding rounds are recorded in the selected participation categories.All available history.
CTK: 2 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed01
Series B01

Monthly Deal Activity

CTK: 2 deals are recorded across 31 months.All available history.
CTK: 2 deals are recorded across 31 months. All available history
MonthDeals
Apr '241
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 '260
Mar '261
Apr '260
May '260
Jun '260
Jul '260
Aug '260
Sep '260
Oct '260

Sector Breakdown

CTK: Health & Life Sciences is the largest displayed sector by deal count (1 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.

CTK: Health & Life Sciences is the largest displayed sector by deal count (1 deals). All available history
SectorDeals
Health & Life Sciences1
Clean Energy & Sustainability1

Deal Size Distribution

CTK: 2 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.

CTK: 2 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M1
$5M-$10M0
$10M-$25M1
$25M-$50M0
$50M-$100M0
$100M-$250M0
$250M-$500M0
$500M-$1B0
$1B+0

Deals By Geography

CTK: United States has the largest recorded deal count among the displayed regions (1 deals).All available history.

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

CTK: United States has the largest recorded deal count among the displayed regions (1 deals). All available history
RegionDeals
United States1
Uruguay1
CTK: 12 co-investors are shown, with Airbus Ventures sharing 1 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.

CTK: 12 co-investors are shown, with Airbus Ventures sharing 1 recorded deals. All available history
Co-investorShared deals
Airbus Ventures1
Crumpton Ventures1
Culper Ventures1
Enlightenment Capital1
Goldwin Play Earth Fund1
GS Futures1
IronGate1
Natura Ventures1
Platinum Mile Ventures1
REI Co-op Path Ahead Ventures1
SOSV1
Zentynel Frontier Investments1

Investment Strategy

CTK: Led accounts for 0% and participating for 100% of round participation.All available history.
CTK: Led accounts for 0% and participating for 100% of round participation. All available history
CategoryDeals (count)Share (%)
Led00%
Participating2100%
CTK: Single-lead accounts for 0% and co-led for 0% of lead dynamics.All available history.
CTK: 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

Catherine Chen

Co-Founder & Chief Executive Officer