Investment adviser · CRD 135271

SUMMIT PARTNERS, L.P.

Investment adviser filing (IA)

BOSTON, MA, United States · Form ADV filed Aug 20, 2026

Regulatory AUM: $42B
Client accounts: 87
Employees: 218
Advisory professionals: 118

Who they report serving

Form ADV · Item 5.D

Client types and their share of reported regulatory assets.

Client type	Clients	Regulatory assets	Share of AUM
Pooled investment vehicles	87	$42,008,600,050	100.0%

Filing source

Form ADV 2125578 · Aug 20, 2026 · Item 5.D

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Private funds & service providers

50+ Private funds

The count excludes feeder funds. Funds in the latest filing appear first, ordered by reported gross assets. Earlier funds retain their last reported values.

Browse the first 49 funds across 7 pages.

SUMMIT PARTNERS GROWTH EQUITY FUND XII-A, L.P.Private Equity Fund · Last reported Aug 20, 2026$4.71BGross asset value

Form D fundraising filings

Summit Partners Growth Equity Fund XII-A, L.P.

Auditor ERNST & YOUNG LLP BOSTON, Massachusetts, United States

Custodian BANK OF AMERICA, N.A. NEW YORK, New York, United States Related to adviser: No

Custodian SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY SANTA CLARA, California, United States Related to adviser: No

Custodian WELLS FARGO BANK, N.A. SAN FRANCISCO, California, United States Related to adviser: No

Provider details

Annual audit: Yes
Prime brokers: No
Custodians: Yes
Administrator other than the adviser: No
External marketing: No

ERNST & YOUNG LLP
PCAOB 42

BANK OF AMERICA, N.A.
LEI B4TYDEB6GKMZO031MB27

SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY
LEI L9VVX1KT5TFTKS0MLF66

WELLS FARGO BANK, N.A.
LEI KB1H1DSPRFMYMCUFXT09

Fund details & source

Fund ID: 805-2776820946
Reported beneficial owners: 171
Minimum commitment: $10M
Form D file number: 021-525431

Form ADV 2125578 · Aug 20, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

SUMMIT PARTNERS GROWTH EQUITY FUND XI-A, L.P.Private Equity Fund · Last reported Aug 20, 2026$4.59BGross asset value

Form D fundraising filings

Summit Partners Growth Equity Fund XI-A, L.P.

Auditor ERNST & YOUNG LLP BOSTON, Massachusetts, United States

Custodian BANK OF AMERICA, N.A. NEW YORK, New York, United States Related to adviser: No

Custodian SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY SANTA CLARA, California, United States Related to adviser: No

Custodian WELLS FARGO BANK, N.A. SAN FRANCISCO, California, United States Related to adviser: No

Provider details

Annual audit: Yes
Prime brokers: No
Custodians: Yes
Administrator other than the adviser: No
External marketing: No

ERNST & YOUNG LLP
PCAOB 42

BANK OF AMERICA, N.A.
LEI B4TYDEB6GKMZO031MB27

SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY
LEI L9VVX1KT5TFTKS0MLF66

WELLS FARGO BANK, N.A.
LEI KB1H1DSPRFMYMCUFXT09

Fund details & source

Fund ID: 805-5853360974
Reported beneficial owners: 136
Minimum commitment: $10M
Form D file number: 021-416006

Form ADV 2125578 · Aug 20, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

SUMMIT PARTNERS GROWTH EQUITY FUND XII-B, L.P.Private Equity Fund · Last reported Aug 20, 2026$4.34BGross asset value

Form D fundraising filings

Summit Partners Growth Equity Fund XII-B, L.P.

Auditor ERNST & YOUNG LLP BOSTON, Massachusetts, United States

Custodian BANK OF AMERICA, N.A. NEW YORK, New York, United States Related to adviser: No

Custodian SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY SANTA CLARA, California, United States Related to adviser: No

Custodian WELLS FARGO BANK, N.A. SAN FRANCISCO, California, United States Related to adviser: No

Provider details

Annual audit: Yes
Prime brokers: No
Custodians: Yes
Administrator other than the adviser: No
External marketing: No

ERNST & YOUNG LLP
PCAOB 42

BANK OF AMERICA, N.A.
LEI B4TYDEB6GKMZO031MB27

SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY
LEI L9VVX1KT5TFTKS0MLF66

WELLS FARGO BANK, N.A.
LEI KB1H1DSPRFMYMCUFXT09

Fund details & source

Fund ID: 805-8669046946
Reported beneficial owners: 185
Minimum commitment: $10M
Form D file number: 021-525432

Form ADV 2125578 · Aug 20, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

SUMMIT PARTNERS GROWTH EQUITY FUND XI-B, L.P.Private Equity Fund · Last reported Aug 20, 2026$4.34BGross asset value

Form D fundraising filings

Summit Partners Growth Equity Fund XI-B, L.P.

Auditor ERNST & YOUNG LLP BOSTON, Massachusetts, United States

Custodian BANK OF AMERICA, N.A. NEW YORK, New York, United States Related to adviser: No

Custodian SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY SANTA CLARA, California, United States Related to adviser: No

Custodian WELLS FARGO BANK, N.A. SAN FRANCISCO, California, United States Related to adviser: No

Provider details

Annual audit: Yes
Prime brokers: No
Custodians: Yes
Administrator other than the adviser: No
External marketing: No

ERNST & YOUNG LLP
PCAOB 42

BANK OF AMERICA, N.A.
LEI B4TYDEB6GKMZO031MB27

SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY
LEI L9VVX1KT5TFTKS0MLF66

WELLS FARGO BANK, N.A.
LEI KB1H1DSPRFMYMCUFXT09

Fund details & source

Fund ID: 805-9571324792
Reported beneficial owners: 146
Minimum commitment: $10M
Form D file number: 021-416007

Form ADV 2125578 · Aug 20, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

SUMMIT PARTNERS GROWTH EQUITY FUND X-A, L.P.Private Equity Fund · Last reported Aug 20, 2026$3.49BGross asset value

Form D fundraising filings

Summit Partners Growth Equity Fund X-A, L.P.

Auditor ERNST & YOUNG LTD GEORGE TOWN, Cayman Islands

Custodian BANK OF AMERICA, N.A. NEW YORK, New York, United States Related to adviser: No

Custodian SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY SANTA CLARA, California, United States Related to adviser: No

Custodian WELLS FARGO BANK, N.A. SAN FRANCISCO, California, United States Related to adviser: No

Provider details

Annual audit: Yes
Prime brokers: No
Custodians: Yes
Administrator other than the adviser: No
External marketing: No

ERNST & YOUNG LTD
PCAOB 1655

BANK OF AMERICA, N.A.
LEI B4TYDEB6GKMZO031MB27

SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY
LEI L9VVX1KT5TFTKS0MLF66

WELLS FARGO BANK, N.A.
LEI KB1H1DSPRFMYMCUFXT09

Fund details & source

Fund ID: 805-2581512825
Reported beneficial owners: 120
Minimum commitment: $10M
Form D file number: 021-334357

Form ADV 2125578 · Aug 20, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

SUMMIT PARTNERS GROWTH EQUITY FUND X-B, L.P.Private Equity Fund · Last reported Aug 20, 2026$2.42BGross asset value

Form D fundraising filings

Summit Partners Growth Equity Fund X-B, L.P.

Auditor ERNST & YOUNG LTD GEORGE TOWN, Cayman Islands

Custodian BANK OF AMERICA, N.A. NEW YORK, New York, United States Related to adviser: No

Custodian JPMORGAN CHASE BANK, N.A. NEW YORK, New York, United States Related to adviser: No

Custodian SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY SANTA CLARA, California, United States Related to adviser: No

Custodian WELLS FARGO BANK, N.A. SAN FRANCISCO, California, United States Related to adviser: No

Provider details

Annual audit: Yes
Prime brokers: No
Custodians: Yes
Administrator other than the adviser: No
External marketing: No

ERNST & YOUNG LTD
PCAOB 1655

BANK OF AMERICA, N.A.
LEI B4TYDEB6GKMZO031MB27

JPMORGAN CHASE BANK, N.A.
LEI 7H6GLXDRUGQFU57RNE97

SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY
LEI L9VVX1KT5TFTKS0MLF66

WELLS FARGO BANK, N.A.
LEI KB1H1DSPRFMYMCUFXT09

Fund details & source

Fund ID: 805-8101243066
Reported beneficial owners: 104
Minimum commitment: $10M
Form D file number: 021-334355

Form ADV 2125578 · Aug 20, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

SUMMIT PARTNERS GROWTH EQUITY FUND IX-A, L.P.Private Equity Fund · Last reported Aug 20, 2026$1.72BGross asset value

Form D fundraising filings

Summit Partners Growth Equity Fund IX-A, L.P.

Auditor ERNST & YOUNG LTD GEORGE TOWN, Cayman Islands

Custodian BANK OF AMERICA, N.A. NEW YORK, New York, United States Related to adviser: No

Custodian SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY SANTA CLARA, California, United States Related to adviser: No

Custodian WELLS FARGO BANK, N.A. SAN FRANCISCO, California, United States Related to adviser: No

Provider details

Annual audit: Yes
Prime brokers: No
Custodians: Yes
Administrator other than the adviser: No
External marketing: No

ERNST & YOUNG LTD
PCAOB 1655

BANK OF AMERICA, N.A.
LEI B4TYDEB6GKMZO031MB27

SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY
LEI L9VVX1KT5TFTKS0MLF66

WELLS FARGO BANK, N.A.
LEI KB1H1DSPRFMYMCUFXT09

Fund details & source

Fund ID: 805-1504655703
Reported beneficial owners: 230
Minimum commitment: $5M
Form D file number: 021-246426

Form ADV 2125578 · Aug 20, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Services & filing details

Most recent filing: Aug 20, 2026. View historical filings

Reported services

Pooled investment vehicle management

Compensation

Percentage of assets · Performance-based

Principal office

222 BERKELEY STREET
BOSTON, MA, 02116-3748, United States

CRD 135271

Filing source

Form ADV 2125578 · Aug 20, 2026 · Items 1 & 5

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.