Investing Profile

Seth L. Harrison

InvestorVCFounder
Founder & Managing Partner at ATP
appletreepartners.com/teamNew York, New York
Photo of Seth L. Harrison, Managing Partner at ATP (Apple Tree Partners)
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Current Investing Position
ATP (Apple Tree Partners) Managing Partner
Investment Range
$100K - $5.0M
Sweet Spot
$1.5M
Investments On Record
18

Seth L. Harrison is on these Sector & Stage Rankings

Seth L. Harrison's Investments On Record (12)

CompanyStageDateRound SizeTotal Raised
Red Queen Therapeutics
Series AAug 2024$55M
$55M
Co-investors: Spiros Liras (ATP (Apple Tree Partners)), Joseph A. Yanchik III (ATP (Apple Tree Partners)), Paul Da Silva Jardine (ATP (Apple Tree Partners))
Deep Apple Therapeutics
Series ADec 2023$52M
$52M
Co-investors: Michael Ehlers (ATP (Apple Tree Partners)), Paul Da Silva Jardine (ATP (Apple Tree Partners)), Paul Eisenberg (ATP (Apple Tree Partners)), Spiros Liras (ATP (Apple Tree Partners))
Ascidian Therapeutics
Series ANov 2023$40M
$90M
Co-investors: Michael Ehlers (ATP (Apple Tree Partners))
Initial Therapeutics
Series AMay 2023$75M
$75M
Co-investors: Spiros Liras (ATP (Apple Tree Partners)), Michael Ehlers (ATP (Apple Tree Partners))
Aethon Therapeutics
Series AJan 2023$30M
$30M
Co-investors: Paul Da Silva Jardine (ATP (Apple Tree Partners))
Galvanize Therapeutics
Series BSep 2022$100M
$100M
Co-investors: Jonathan Waldstreicher (ATP (Apple Tree Partners))
Adendra Therapeutics
Series ADec 2021$53M
$53M
Intergalactic Therapeutics
Series AOct 2021$75M
$75M
Co-investors: Michael Ehlers (ATP (Apple Tree Partners))