Casdin Capital, LLC - 25 Nov 2025 SCHEDULE 13D/A Report for Standard BioTools Inc. Common Stock, $0.001 par value per share (LAB)

Filing Manager
Casdin Capital, LLC
Reporting Manager
Eli Casdin
Security
Standard BioTools Inc. Common Stock, $0.001 par value per share
Symbol
LAB
Shares outstanding
386,127,219 shares
Disclosed Ownership
93,442,787 shares
Ownership
24%
Form type
SCHEDULE 13D/A
Filing time
28 Nov 2025, 17:33:09 UTC
Date of event
25 Nov 2025
Previous filing
04 Mar 2025
SEC
View on sec.gov

Reporting Managers (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Casdin Capital, LLC 23% 88,433,856 0 88,433,856 /s/ Eli Casdin* Eli Casdin, Managing Member 0001534261
Casdin Private Growth Equity Fund II, L.P. 3.6% 13,939,637 0 13,939,637 By: Casdin Private Growth Equity Fund II GP, LLC, By: /s/ Eli Casdin* Eli Casdin, Manager 0001891102
Casdin Private Growth Equity Fund II GP, LLC 3.6% 13,939,637 0 13,939,637 /s/ Eli Casdin* Eli Casdin, Managing Member 0001919480
Casdin Partners Master Fund, L.P. 19% 71,750,000 0 71,750,000 By: Casdin Partners GP, LLC, its general partner, By: /s/ Eli Casdin Eli Casdin, Managing Member 0001534265
Casdin Partners GP, LLC 19% 71,750,000 0 71,750,000 /s/ Eli Casdin* Eli Casdin 0001534260
Eli Casdin 24% 93,442,787 5,008,931 88,433,856 /s/ Eli Casdin* Eli Casdin 0001534264