Skip to main content

Summit Partners L P

13F filer · CIK 0000830588
Reported Jul 30, 2026
Net seller this quarter
13F portfolio value$609MU.S. long equity reported on 13F
Positions50 new · 2 closed
Net flow last quarter-$130MBuys minus sells
Top 10 positions weight100.0%Concentration

Holdings

13F · last 4 quarters free
Scroll for earlier quarters
CompanyValue% of portfolio% of companyPOSITION CHANGE qoq %First reported
Q2 2026Reported Jul 30, 20265 positions
KVYOKlaviyo, Inc.$285M46.75%Not reportedNot reportedQ3 2023
LFSTLifeStance Health Group, Inc.$250M41.00%6.10%-20.2%Q2 2021
AKAA.K.A. Brands Holding Corp.$64.8M10.65%55.22%Not reportedQ3 2021
ATENA10 Networks, Inc.$7.47M1.23%0.28%Not reportedQ2 2014
MTSIMACOM Technology Solutions Holdings, Inc.$2.28M0.38%0.01%-87.8%Q2 2013
Q1 2026Reported May 8, 20267 positions
KVYOKlaviyo, Inc.$367M54.74%Not reportedNot reportedQ3 2023
LFSTLifeStance Health Group, Inc.$186M27.76%7.53%-12.9%Q2 2021
AKAA.K.A. Brands Holding Corp.$62.4M9.32%55.95%Not reportedQ3 2021
AVAHAveanna Healthcare Holdings, Inc.$35.1M5.23%2.51%-27.8%Q2 2025
MTSIMACOM Technology Solutions Holdings, Inc.$10.9M1.63%0.07%+3.4%Q2 2013
ATENA10 Networks, Inc.$4.63M0.69%0.28%+6.8%Q2 2014
SBDSSolo Brands, Inc.$4.14M0.62%42.96%Not reportedQ3 2025
Q4 2025Reported Feb 6, 20268 positions
KVYOKlaviyo, Inc.$612M58.24%Not reportedNot reportedQ3 2023
LFSTLifeStance Health Group, Inc.$236M22.46%8.63%Not reportedQ2 2021
AKAA.K.A. Brands Holding Corp.$64.8M6.16%56.21%Not reportedQ3 2021
AVAHAveanna Healthcare Holdings, Inc.$61.7M5.87%3.61%-21.8%Q2 2025
JAMFJamf Holding Corp.$58.2M5.54%3.36%Not reportedQ3 2020
MTSIMACOM Technology Solutions Holdings, Inc.$8.16M0.78%0.06%Not reportedQ2 2013
SBDSSolo Brands, Inc.$6.66M0.63%Not reportedNot reportedQ3 2025
ATENA10 Networks, Inc.$3.31M0.32%0.26%Not reportedQ2 2014
Q3 2025Reported Nov 4, 20258 positions
KVYOKlaviyo, Inc.$522M56.48%Not reported-38.8%Q3 2023
LFSTLifeStance Health Group, Inc.$184M19.95%8.62%-20.1%Q2 2021
AVAHAveanna Healthcare Holdings, Inc.$85.6M9.26%4.62%Not reportedQ2 2025
AKAA.K.A. Brands Holding Corp.$58.4M6.32%56.55%Not reportedQ3 2021
JAMFJamf Holding Corp.$47.9M5.18%3.36%Not reportedQ3 2020
SBDSSolo Brands, Inc.$16.6M1.80%Not reportedNewQ3 2025
MTSIMACOM Technology Solutions Holdings, Inc.$5.93M0.64%0.06%Not reportedQ2 2013
ATENA10 Networks, Inc.$3.4M0.37%0.26%Not reportedQ2 2014
Premium opens every quarter this fund has filed

Not investment advice. We make every effort to keep the information on SpoorBase accurate, but errors may occur. SpoorBase does not guarantee the accuracy or completeness of any data, and any use of the information is at the user’s sole responsibility. Valuation multiples are calculated by SpoorBase and may contain errors. See Disclosures. © 2026 SpoorBase. All rights reserved.