Telegraph Hill Partners III, L.P. - 30 Sep 2025 SCHEDULE 13G Report for Quanterix Corp Common Stock, par value $0.001 (QTRX)

Filing Manager
Telegraph Hill Partners III, L.P.
Reporting Manager
Telegraph Hill Partners III, L.P.
Security
Quanterix Corp Common Stock, par value $0.001
Symbol
QTRX
Shares outstanding
46,382,370 shares
Disclosed Ownership
2,504,648 shares
Ownership
5.4%
Form type
SCHEDULE 13G
Filing time
19 Nov 2025, 16:00:08 UTC
Date of event
30 Sep 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Telegraph Hill Partners III, L.P. 5.4% 2,504,648 0 2,504,648 /s/ Rob Hart Rob Hart/Partner, Telegraph Hill Partners III Investment Management, LLC, Its: General Partner, Telegraph Hill Partners Mgmt Company LLC, Its: Manager
THP III Affiliates Fund, LLC 5.4% 2,504,648 0 2,504,648 /s/ Rob Hart Rob Hart/Partner, Telegraph Hill Partners III Investment Management, LLC, Its: Manager, Telegraph Hill Partners Management Company LLC, Its: Manager
Telegraph Hill Partners III Investment Management, LLC 5.4% 2,504,648 0 2,504,648 /s/ Rob Hart Rob Hart/Partner, Telegraph Hill Partners Management Company LLC, Its: Manager
Telegraph Hill Partners Management Company, LLC 5.4% 2,504,648 0 2,504,648 /s/ Rob Hart Rob Hart/Partner