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13F-HR filed by SUMMIT PARTNERS L P

SUMMIT PARTNERS L P filed this 13F-HR for the quarter ended 2026-03-31, filed 2026-05-08, with 7 holding rows worth $670,154,351.

Accession
0001172661-26-001623
Filed
2026-05-08
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q1 2026

A holdings report, 7 entries on the cover page, a total value of $670,154,351 stated on the cover page (in dollars after the unit check, H1), rows summing to $670,154,351 with VALUE read as dollars as filed, 13F file number 028-11703. The quarter's positions are built on this report. The resolved quarter.

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
KLAVIYO INC COM SER A49845K101Stock18,852,778$366,875,060dollars as filed
LIFESTANCE HEALTH GROUP INC53228F101COM29,209,776$186,066,273dollars as filed
A K A BRANDS HLDG CORP00152K200COM SHS6,053,693$62,426,288dollars as filed
AVEANNA HEALTHCARE HLDGS INC05356F105COM5,451,422$35,079,901dollars as filed
MACOM TECH SOLUTIONS HLDGS INC COM55405Y100Stock49,273$10,942,055dollars as filed
A10 NETWORKS INC002121101COM200,065$4,625,503dollars as filed
SOLO BRANDS INC83425V203COM1,100,870$4,139,271dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001172661-26-001623this filing2026-05-08acceptance time not in the bulk data set