Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

SUMMIT PARTNERS L P 13F Holdings -- Portfolio & Top Positions (2026-03-31)

SUMMIT PARTNERS L P (CIK 830588) reported $670.2M across 7 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: KVYO ($366.9M, 54.74%), LFST ($186.1M, 27.76%), AKA ($62.4M, 9.32%), AVAH ($35.1M, 5.23%), MTSI ($10.9M, 1.63%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1KVYOKLAVIYO INC$366.9M54.74%18.9MHold
2LFSTLIFESTANCE HEALTH GROUP INC$186.1M27.76%29.2MTrimmed
3AKAA K A BRANDS HLDG CORP$62.4M9.32%6.1MHold
4AVAHAVEANNA HEALTHCARE HLDGS INC$35.1M5.23%5.5MTrimmed
5MTSIMACOM TECH SOLUTIONS HLDGS I$10.9M1.63%49,273Added
6ATENA10 NETWORKS INC$4.6M0.69%200,065Added
7DTCBSOLO BRANDS INC$4.1M0.62%1.1MHold
8JAMFJAMF HOLDINGS CORP$00.00%0Exited

Source: SEC Form 13F filings · as of 2026-03-31