Casdin Partners Master Fund, L.P. - Insider Trading & Ownership

Location: Walker House, 87 Mary Street, George Town, Cayman Islands
Summary: The estimated value of insider holdings of Casdin Partners Master Fund, L.P. is at least $346M dollars as of November 26, 2025. Casdin Partners Master Fund, L.P. is the 10%+ Owner of BIOLIFE SOLUTIONS INC and owns shares of BIOLIFE SOLUTIONS INC (BLFS) stock worth about $170M. Casdin Partners Master Fund, L.P. is the Director, 10%+ Owner of STANDARD BIOTOOLS INC. and owns shares of STANDARD BIOTOOLS INC. (LAB) stock worth about $96.8M. Casdin Partners Master Fund, L.P. is the 10%+ Owner of MAXCYTE, INC. and owns shares of MAXCYTE, INC. (MXCT) stock worth about $45.3M. Casdin Partners Master Fund, L.P. is the 10%+ Owner of Verve Therapeutics, Inc. and owns shares of Verve Therapeutics, Inc. (VERV) stock worth about $24.2M. Casdin Partners Master Fund, L.P. is the Director of Absci Corp and owns shares of Absci Corp (ABSI) stock worth about $8.49M. Casdin Partners Master Fund, L.P. is the 10%+ Owner of Tenaya Therapeutics, Inc. and owns shares of Tenaya Therapeutics, Inc. (TNYA) stock worth about $1.54M.
Signature: Casdin Partners Master Fund, LP, By: Casdin Partners GP, LLC, its General Partner, By: /s/ Eli Casdin, Managing Member
All Insider Reports: All Insider Reports

Ownership of Casdin Partners Master Fund, L.P.

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
BLFS	BIOLIFE SOLUTIONS INC	10%+ Owner	$170M	-$68.7M	-28.8%	Oct 15, 2025
LAB	STANDARD BIOTOOLS INC.	Director, 10%+ Owner	$96.8M	+$20.9M	+27.6%	Nov 24, 2025
MXCT	MAXCYTE, INC.	10%+ Owner	$45.3M			Oct 3, 2022
VERV	Verve Therapeutics, Inc.	10%+ Owner	$24.2M			Jun 21, 2021
ABSI	Absci Corp	Director	$8.49M			Jul 26, 2021
TNYA	Tenaya Therapeutics, Inc.	10%+ Owner	$1.54M			Aug 3, 2021

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.