Filed: 11/4/2025ACC: 0000830588-25-000004
📋 What this filing means
SUMMIT PARTNERS L P filed this quarterly 13F‑HR report disclosing 8 equity positions with a total reported market value of $924.31M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
8
Positions
$924.31M
Total AUM (reported)
73.89M
Total Shares
Allocation by class
COM SER A$522.03M56.5%
COM$327.21M35.4%
COM SHS$58.42M6.3%
COM CL A NEW$16.65M1.8%
Portfolio Concentration
Top 3$792.03M85.7%
4–10$132.28M14.3%
Top 3 weight
85.7%
Top 10 weight
100.0%
Voting Authority Distribution
Total shares with voting rights: 73.89M
Sole
Full voting authority
73.89M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole8
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings8
Rows:
KLAVIYO, INC. (2)
SOLEShares18.85M
TypeSH
Market value$522.03M
56.48%
Sole
18.85M
Shared
0.00
None
0.00
LIFESTANCE HEALTH GROUP INC.
SOLEShares33.52M
TypeSH
Market value$184.39M
19.95%
Sole
33.52M
Shared
0.00
None
0.00
AVEANNA HEALTHCARE HLDGS INC
SOLEShares9.65M
TypeSH
Market value$85.61M
9.26%
Sole
9.65M
Shared
0.00
None
0.00
A K A BRANDS HLDG CORP (1)
SOLEShares6.05M
TypeSH
Market value$58.42M
6.32%
Sole
6.05M
Shared
0.00
None
0.00
JAMF HOLDINGS CORP
SOLEShares4.48M
TypeSH
Market value$47.89M
5.18%
Sole
4.48M
Shared
0.00
None
0.00
SOLO BRANDS INC (3)
SOLEShares1.10M
TypeSH
Market value$16.65M
1.80%
Sole
1.10M
Shared
0.00
None
0.00
MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC.
SOLEShares47.65K
TypeSH
Market value$5.93M
0.64%
Sole
47.65K
Shared
0.00
None
0.00
A10 NETWORKS, INC.
SOLEShares187.37K
TypeSH
Market value$3.40M
0.37%
Sole
187.37K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
KLAVIYO, INC. (2)SOLE | COM SER A | 18.85M | SH | $522.03M 56.48% | 18.85M | 0.00 | 0.00 |
LIFESTANCE HEALTH GROUP INC.SOLE | COM | 33.52M | SH | $184.39M 19.95% | 33.52M | 0.00 | 0.00 |
AVEANNA HEALTHCARE HLDGS INCSOLE | COM | 9.65M | SH | $85.61M 9.26% | 9.65M | 0.00 | 0.00 |
A K A BRANDS HLDG CORP (1)SOLE | COM SHS | 6.05M | SH | $58.42M 6.32% | 6.05M | 0.00 | 0.00 |
JAMF HOLDINGS CORPSOLE | COM | 4.48M | SH | $47.89M 5.18% | 4.48M | 0.00 | 0.00 |
SOLO BRANDS INC (3)SOLE | COM CL A NEW | 1.10M | SH | $16.65M 1.80% | 1.10M | 0.00 | 0.00 |
MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC.SOLE | COM | 47.65K | SH | $5.93M 0.64% | 47.65K | 0.00 | 0.00 |
A10 NETWORKS, INC.SOLE | COM | 187.37K | SH | $3.40M 0.37% | 187.37K | 0.00 | 0.00 |