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  • Insider Ownership

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

Location
George Town
Summary
The estimated value of insider holdings of Casdin Partners Master Fund, L.P. is at least $357,363,738 dollars as of 04 Dec 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 $170.06M. 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 $107.8M. 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. stock worth about $24.18M. 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
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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 $170,059,784 -$68,710,325 -29% 15 Oct 2025
LAB STANDARD BIOTOOLS INC. Director, 10%+ Owner $107,795,554 +$16,303,018 +18% 02 Dec 2025
MXCT MAXCYTE, INC. 10%+ Owner $45,300,000 03 Oct 2022
VERV Verve Therapeutics, Inc. 10%+ Owner $24,175,960 21 Jun 2021
ABSI Absci Corp Director $8,490,452 26 Jul 2021
TNYA Tenaya Therapeutics, Inc. 10%+ Owner $1,541,988 03 Aug 2021

Insider Transactions Reported by Casdin Partners Master Fund, L.P.:

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.