SUMMIT PARTNERS L P Long-Term Concentrated

Location: Boston, MA

CIK: 0000830588 · Show all filings

Period: Q3 2025 (← Previous) (Next →)

Filing Date: Nov 4, 2025

Total Value: $924M (100.0% shares, 0.0% debt)

Holdings (8)

KVYO KLAVIYO, INC. (2) 56.5%

Value $522M Shares 18,852,778 Share Price $27.69 Est. Cost/Share $34.31 Unrealized @ Report Date -19.3%

LFST LIFESTANCE HEALTH GROUP INC. 19.9%

Value $184M Shares 33,524,715 Share Price $5.50 Est. Cost/Share $26.42 Unrealized @ Report Date -79.2%

AVAH AVEANNA HEALTHCARE HLDGS INC 9.3%

Value $85.61M Shares 9,651,422 Share Price $8.87 Est. Cost/Share $5.08 Unrealized @ Report Date +74.5%

AKA A K A BRANDS HLDG CORP (1) 6.3%

Value $58.42M Shares 6,053,693 Share Price $9.65 Est. Cost/Share $10.11 Unrealized @ Report Date -4.5%

— JAMF HOLDINGS CORP 5.2%

Value $47.89M Shares 4,475,381 Share Price $10.70 Est. Cost/Share $33.57 Unrealized @ Report Date —

SBDS SOLO BRANDS INC (3) 1.8%

Value $16.65M Shares 1,100,870 Share Price $15.12 * Est. Cost/Share $14.49 Unrealized @ Report Date 0.0%

MTSI MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC. 0.6%

Value $5.932M Shares 47,650 Share Price $124.49 Est. Cost/Share $49.05 Unrealized @ Report Date +153.8%

ATEN A10 NETWORKS, INC. 0.4%

Value $3.401M Shares 187,367 Share Price $18.15 Est. Cost/Share $12.25 Unrealized @ Report Date +47.2%

Ticker	Issuer	Shares	Value	%	Share Price	Est. Cost/Share	Unrealized @ Report Date	Class	CUSIP
KVYO	KLAVIYO, INC. (2)	18,852,778	$522M	56.5%	$27.69	$34.31	-19.3%	COM SER A	49845K101
LFST	LIFESTANCE HEALTH GROUP INC.	33,524,715	$184M	19.9%	$5.50	$26.42	-79.2%	COM	53228F101
AVAH	AVEANNA HEALTHCARE HLDGS INC	9,651,422	$85.61M	9.3%	$8.87	$5.08	+74.5%	COM	05356F105
AKA	A K A BRANDS HLDG CORP (1)	6,053,693	$58.42M	6.3%	$9.65	$10.11	-4.5%	COM SHS	00152K200
—	JAMF HOLDINGS CORP	4,475,381	$47.89M	5.2%	$10.70	$33.57	—	COM	47074L105
SBDS	SOLO BRANDS INC (3)	1,100,870	$16.65M	1.8%	$15.12 *	$14.49	0.0%	COM CL A NEW	83425V203
MTSI	MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC.	47,650	$5.932M	0.6%	$124.49	$49.05	+153.8%	COM	55405Y100
ATEN	A10 NETWORKS, INC.	187,367	$3.401M	0.4%	$18.15	$12.25	+47.2%	COM	002121101