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Summit Partners L P

SEC CIK
0000830588
Latest filing
Jul 30, 2026

Holdings in Q2 2026

Holdings as of Jun 30, 2026, filed Jul 30, 2026. Long positions only; changes compare share counts with Q1 2026.

Institution overview
Positions
5
−2 vs. Q1 2026
Portfolio value
$608.9M
−$61.2M (−9.1%) vs. Q1 2026
Filed
Jul 30, 2026
SEC
Holdings of Summit Partners L P in Q2 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
KVYOKlaviyo, Inc.COM SER A18,852,778$284.7M46.8%00.0%UnchangedHistory
LFSTLifeStance Health Group, Inc.COM23,310,115$249.7M41.0%−5,899,661−20.2%ReducedHistory
AKAA.K.A. Brands Holding Corp.COM SHS6,053,693$64.8M10.6%00.0%UnchangedHistory
ATENA10 Networks, Inc.Stock200,065$7.47M1.2%00.0%UnchangedHistory
MTSIMACOM Technology Solutions Holdings, Inc.COM6,005$2.28M0.4%−43,268−87.8%ReducedHistory

Sold out since Q1 2026 (2)

Positions held at the end of Q1 2026 that are gone from this filing.

Positions of Summit Partners L P sold out since Q1 2026
SecurityClassShares in Q1 2026Value in Q1 2026% of portfolio in Q1 2026History
AVAHAveanna Healthcare Holdings, Inc.COM5,451,422$35.1M5.2%History
SBDSSolo Brands, Inc.COM CL A NEW1,100,870$4.14M0.6%History