AI Analysis · Q1 2026

Portfolio Overview

The filing for Summit Partners L P (CIK: 0000830588) as of September 30, 2025, reveals a highly concentrated, mid-to-large capitalization portfolio with a distinct value-oriented tilt. The total portfolio value decreased significantly by 34.9%, declining from $1.41 billion in the previous quarter to $920.91 million. This substantial reduction in assets under management (AUM) is driven primarily by active position reductions rather than market depreciation alone, as eviden...

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight

LIFESTANCE HEALTH GROUP INC

$186M29.2M27.8%03

AKA

A K A BRANDS HLDG CORP

$62M6.1M9.3%04

AVAH

AVEANNA HEALTHCARE HLDGS INC

$35M5.5M5.2%05

MTSI

MACOM TECH SOLUTIONS HLDGS I

Filing history

2026Q1Mar 31

$670M▼ 36.2%

7 positionsView →2025Q4Dec 31

$1.1B▲ 14.1%

8 positionsView →2025Q3Sep 30

$921M▼ 35.0%

7 positionsView →2025Q2Jun 30

$1.4B▼ 11.9%

7 positionsLocked 2025Q1Mar 31

$1.6B▼ 27.9%

7 positionsLocked 2024Q4Dec 31

$2.2B▼ 0.3%

8 positionsLocked 2024Q3Sep 30

$2.2B▲ 33.3%

9 positionsLocked 2024Q2Jun 30

$1.7B▼ 7.3%

9 positionsLocked 2024Q1Mar 31

$1.8B▼ 33.8%

10 positionsLocked 2023Q4Dec 31

$2.7B▼ 6.1%

11 positionsLocked 2023Q3Sep 30

$2.9B▲ 111.4%

11 positionsLocked 2023Q2Jun 30

$1.4B▼ 0.3%

10 positionsLocked

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