Significant Ownership of SUMMIT PARTNERS L P

Signature - Title
/s/ Adam H. Hennessey, as POA - Adam H. Hennessey, as Power of Attorney
Location
Boston, MA
Summary
This page shows a list of all the recent SCHEDULE 13D/G filings made by SUMMIT PARTNERS L P.

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Significant Ownership of SUMMIT PARTNERS L P

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
KVYO Klaviyo, Inc. Series A Common Stock, par value $0.001 per share 12% $522,033,423 -$331,587,750 18,852,778 -39% Summit Partners, L.P. 30 Sep 2025
LFST LifeStance Health Group, Inc Common Stock, par value $0.01 per share 8.6% $184,385,932 33,524,715 Summit Partners, L.P. 30 Sep 2025

Schedules 13D/G Reported by SUMMIT PARTNERS L P:

Sym Target Class Ownership Change Current Shares Change Value Reporting name Form Report Period Filing Date
* An asterisk sign (*) next to the price indicates that the price is likely invalid.