SUMMIT PARTNERS L P Long-Term Concentrated

Location: Boston, MA

CIK: 0000830588 · Show all filings

Period: Q2 2026 (← Previous)

Filing Date: Jul 30, 2026

Total Value: $609M (100.0% shares, 0.0% debt)

Holdings (5)

Exited Positions (2)

AVAH AVEANNA HEALTHCARE HLDGS INC 5.8%

Value $35.08M Shares 5,451,422 Est. Cost $5.08 Unrealized —

SBDS SOLO BRANDS INC 0.7%

Value $4.139M Shares 1,100,870 Est. Cost $14.49 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
AVAH	AVEANNA HEALTHCARE HLDGS INC	5,451,422	$35.08M	5.8%	$5.08	—	—	05356F105
SBDS	SOLO BRANDS INC	1,100,870	$4.139M	0.7%	$14.49	—	—	83425V203

Decreased Positions (2)

LFST LIFESTANCE HEALTH GROUP INC 41.0%

Value $250M (+34.2%) Shares 23,310,115 (-20.2%) Est. Cost $26.42 Unrealized —

MTSI MACOM TECH SOLUTIONS HLDGS I 0.4%

Value $2.284M (-79.1%) Shares 6,005 (-87.8%) Est. Cost $54.71 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
LFST	LIFESTANCE HEALTH GROUP INC	23,310,115 (-20.2%)	$250M (+34.2%)	41.0%	$26.42	—	COM	53228F101
MTSI	MACOM TECH SOLUTIONS HLDGS I	6,005 (-87.8%)	$2.284M (-79.1%)	0.4%	$54.71	—	COM	55405Y100

Unchanged Positions (3)

KVYO KLAVIYO INC 46.8%

Value $285M Shares 18,852,778 Est. Cost $34.31 Unrealized —

ATEN A10 NETWORKS INC 1.2%

Value $7.474M Shares 200,065 Est. Cost $12.64 Unrealized —

AKA A K A BRANDS HLDG CORP 10.6%

Value $64.84M Shares 6,053,693 Est. Cost $10.11 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
KVYO	KLAVIYO INC	18,852,778	$285M	46.8%	$34.31	—	COM SER A	49845K101
ATEN	A10 NETWORKS INC	200,065	$7.474M	1.2%	$12.64	—	COM	002121101
AKA	A K A BRANDS HLDG CORP	6,053,693	$64.84M	10.6%	$10.11	—	COM SHS	00152K200