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Summit Partners L P

SEC CIK
0000830588
Latest filing
Jul 30, 2026

Holdings in Q2 2025

Holdings as of Jun 30, 2025, filed Nov 4, 2025. Long positions only; changes compare share counts with Q1 2025.

Institution overview
Positions
7
−2 vs. Q1 2025
Portfolio value
$1.42B
−$194.6M (−12.1%) vs. Q1 2025
Filed
Nov 4, 2025
AmendedSEC
Holdings of Summit Partners L P in Q2 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
KVYOKlaviyo, Inc.COM SER A30,827,778$1.04B73.0%−8,000,000−20.6%ReducedHistory
LFSTLifeStance Health Group, Inc.COM41,932,358$216.8M15.3%00.0%UnchangedHistory
AKAA.K.A. Brands Holding Corp.COM SHS6,053,693$62.4M4.4%00.0%UnchangedHistory
AVAHAveanna Healthcare Holdings, Inc.COM9,651,422$50.5M3.6%+9,651,422NewHistory
JAMFJamf Holding Corp.COM4,475,381$42.6M3.0%00.0%UnchangedHistory
MTSIMACOM Technology Solutions Holdings, Inc.COM47,650$6.83M0.5%00.0%UnchangedHistory
ATENA10 Networks, Inc.Stock187,367$3.63M0.3%00.0%UnchangedHistory

Sold out since Q1 2025 (3)

Positions held at the end of Q1 2025 that are gone from this filing.

Positions of Summit Partners L P sold out since Q1 2025
SecurityClassShares in Q1 2025Value in Q1 2025% of portfolio in Q1 2025History
SBDSSolo Brands, Inc.COM CL A44,034,960$7.40M0.5%History
MKFGMarkforged Holding CorpCOM NEW1,473,154$6.89M0.4%History
EGHT8X8 IncCOM69,842$139.7K<0.1%History