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Avidity Partners

2828 N Harwood Street, Suite 1220, Dallas, Texas, 75201, United States

Overview

Investment management firm offering financial services.

Deals ยท 12mo

2

Links

LinkedIn

Stage focus

Series B
Series C

Geographic focus

United Kingdom
United States

Sector focus

Finance
Financial Exchanges
Financial Services

Investment portfolio

43rounds
NAMEDATESIZE
Calyxo
Apr 2026Participated
$40 MSeries F
Artios Pharma
Nov 2025Participated
$115 MSeries D
Affinia Therapeutics
Oct 2025Participated
$40 MSeries C
OrganOx
Feb 2025Participated
$142 MOther Equity
Sirona Medical
Nov 2024Led
$42 MSeries C
Aktis Oncology
Sep 2024Participated
$175 MSeries B
858 Therapeutics
Sep 2024Led
$50 MSeries B
Helaina
Sep 2024Led
$45 MSeries B
Endeavor BioMedicines
Apr 2024Participated
$133 MSeries C
TORL BioTherapeutics
Apr 2024Participated
$158 MSeries B
Calyxo
Dec 2023Led
$50 MSeries D
MBrace Therapeutics
Nov 2023Participated
$85 MSeries B
Calyxo
Apr 2026Participated
$40 MSeries F
Artios Pharma
Nov 2025Participated
$115 MSeries D
Affinia Therapeutics
Oct 2025Participated
$40 MSeries C
OrganOx
Feb 2025Participated
$142 MOther Equity
Sirona Medical
Nov 2024Led
$42 MSeries C
Aktis Oncology
Sep 2024Participated
$175 MSeries B
858 Therapeutics
Sep 2024Led
$50 MSeries B
Helaina
Sep 2024Led
$45 MSeries B
Endeavor BioMedicines
Apr 2024Participated
$133 MSeries C
TORL BioTherapeutics
Apr 2024Participated
$158 MSeries B
Calyxo
Dec 2023Led
$50 MSeries D
MBrace Therapeutics
Nov 2023Participated
$85 MSeries B
43
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Insights

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Deal Distribution

Avidity Partners: 43 funding rounds are recorded in the selected participation categories.All available history.
Avidity Partners: 43 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Series A02
Series B315
Series C+513
Other Equity14

Monthly Deal Activity

Avidity Partners: 43 deals are recorded across 77 months.All available history.
Avidity Partners: 43 deals are recorded across 77 months. All available history
MonthDeals
Jun '202
Jul '200
Aug '201
Sep '201
Oct '200
Nov '200
Dec '201
Jan '210
Feb '211
Mar '214
Apr '210
May '212
Jun '210
Jul '213
Aug '213
Sep '210
Oct '211
Nov '211
Dec '212
Jan '221
Feb '221
Mar '220
Apr '220
May '220
Jun '220
Jul '220
Aug '221
Sep '220
Oct '221
Nov '220
Dec '222
Jan '230
Feb '230
Mar '230
Apr '230
May '230
Jun '232
Jul '230
Aug '231
Sep '230
Oct '230
Nov '231
Dec '231
Jan '240
Feb '240
Mar '240
Apr '242
May '240
Jun '240
Jul '240
Aug '240
Sep '243
Oct '240
Nov '241
Dec '240
Jan '250
Feb '251
Mar '250
Apr '250
May '250
Jun '250
Jul '250
Aug '250
Sep '250
Oct '251
Nov '251
Dec '250
Jan '260
Feb '260
Mar '260
Apr '261
May '260
Jun '260
Jul '260
Aug '260
Sep '260
Oct '260

Sector Breakdown

Avidity Partners: Health & Life Sciences is the largest displayed sector by deal count (40 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.

Avidity Partners: Health & Life Sciences is the largest displayed sector by deal count (40 deals). All available history
SectorDeals
Health & Life Sciences40
AI & Machine Learning3
Networks, Cloud & Communication2
Enterprise Software2
Manufacturing2
Consumer & Lifestyle2
Marketing & Advertising1
Clean Energy & Sustainability1
Professional Services1
Data, Analytics & IT1

Deal Size Distribution

Avidity Partners: 43 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.

Avidity Partners: 43 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M0
$5M-$10M0
$10M-$25M0
$25M-$50M6
$50M-$100M13
$100M-$250M23
$250M-$500M1
$500M-$1B0
$1B+0

Deals By Geography

Avidity Partners: United States has the largest recorded deal count among the displayed regions (35 deals).All available history.

Top 5 of 5 regions; European countries are grouped as Europe.

Avidity Partners: United States has the largest recorded deal count among the displayed regions (35 deals). All available history
RegionDeals
United States35
Europe5
Canada1
Japan1
China1
Avidity Partners: 20 co-investors are shown, with Janus Henderson Investors sharing 13 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.

Avidity Partners: 20 co-investors are shown, with Janus Henderson Investors sharing 13 recorded deals. All available history
Co-investorShared deals
Janus Henderson Investors13
RA Capital Management10
Perceptive Advisors8
Ally Bridge Group7
Surveyor Capital7
Casdin Capital6
Omega Funds6
OrbiMed6
Piper Heartland Healthcare Capital6
Alexandria Venture Investments5
Invus5
Longitude Capital5
Deep Track Capital4
EcoR1 Capital4
Farallon Capital Management4
Fidelity Management & Research Company4
Logos Capital4
Novartis4
Redmile Group4
Rock Springs Capital4

Investment Strategy

Avidity Partners: Led accounts for 21% and participating for 79% of round participation.All available history.
Avidity Partners: Led accounts for 21% and participating for 79% of round participation. All available history
CategoryDeals (count)Share (%)
Led921%
Participating3479%
Avidity Partners: Single-lead accounts for 56% and co-led for 44% of lead dynamics.All available history.
Avidity Partners: Single-lead accounts for 56% and co-led for 44% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead556%
Co-led444%

Team

Michael Gregory

Co-Managing Partner, Co-Founder