Investment adviser · CRD 110557

DIESSLIN GROUP, INC.

Investment adviser filing (IA)

FORT WORTH, TX, United States · Form ADV filed Aug 25, 2026

Regulatory AUM: $696M
Client accounts: 1,117
Employees: 12
Advisory professionals: 6

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
High-net-worth individuals	147	$600,382,387	86.2%
Individuals	133	$52,989,608	7.6%
Charities	Fewer than 5	$39,873,907	5.7%
Banks & thrifts	Fewer than 5	$2,680,268	0.4%
Pooled investment vehicles	1	$391,805	0.1%

Filing source

Form ADV 2127663 · Aug 25, 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

12 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.

DIESSLIN PRIVATE EQUITY OPPORTUNITIES FUND I, LTDPrivate Equity Fund · Last reported Aug 25, 2026$968KGross asset value

Form D fundraising filings

Diesslin Private Equity Opportunities Fund I, Ltd.

Auditor WHITLEY PENN LLP FORT WORTH, Texas, United States

Custodian CHARLES SCHWAB & CO., INC. 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

WHITLEY PENN LLP
PCAOB 726

CHARLES SCHWAB & CO., INC.
SEC 8-16514

Fund details & source

Fund ID: 805-8299846823
Reported beneficial owners: 43
Minimum commitment: $50K
Form D file number: 021-225208

Form ADV 2127663 · Aug 25, 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.

DIESSLIN REAL ESTATE OPPORTUNITIES FUND I, LTD.Real Estate Fund · Last reported Aug 25, 2026$33KGross asset value

Form D fundraising filings

Diesslin Real Estate Opportunities Fund I, Ltd.

Auditor WHITLEY PENN LLP FORT WORTH, Texas, United States

Custodian CHARLES SCHWAB & CO., INC. 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

WHITLEY PENN LLP
PCAOB 726

CHARLES SCHWAB & CO., INC.
SEC 8-16514

Fund details & source

Fund ID: 805-4786304839
Reported beneficial owners: 39
Minimum commitment: $50K
Form D file number: 021-202960

Form ADV 2127663 · Aug 25, 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.

DLA INCOME FUND, LTDReal Estate Fund · Last reported Nov 1, 2017$1.99MGross asset value

Custodian NATIONAL ADVISORS TRUST COMPANY, FSB OVERLAND PARK, Kansas, United States Related to adviser: No

Provider details

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

Fund details & source

Fund ID: 805-6262668184
Reported beneficial owners: 37
Minimum commitment: $25K

Form ADV 1148965 · Nov 1, 2017 · 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.

DA ENERGY, LTDOther Private Fund · Last reported Oct 23, 2023$588KGross asset value

Auditor WHITLEY PENN LLP FORT WORTH, Texas, United States

Custodian CHARLES SCHWAB & CO., INC. 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

WHITLEY PENN LLP
PCAOB 726

CHARLES SCHWAB & CO., INC.
SEC 8-16514

Fund details & source

Fund ID: 805-3120315616
Reported beneficial owners: 55
Minimum commitment: $50K

Form ADV 1789255 · Oct 23, 2023 · 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.

DA INVESTQ, LTDHedge Fund · Last reported Mar 29, 2019$377KGross asset value

Custodian NATIONAL ADVISORS TRUST COMPANY, FSB OVERLAND PARK, Kansas, United States Related to adviser: No

Provider details

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

Fund details & source

Fund ID: 805-9540538137
Reported beneficial owners: 13
Minimum commitment: $100K
Form D file number: 021-999999

Form ADV 1297165 · Mar 29, 2019 · 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.

DA INVESTA, LTDHedge Fund · Last reported Mar 30, 2018$250KGross asset value

Form D fundraising filings

DA InvestA, Ltd.

Custodian NATIONAL ADVISORS TRUST COMPANY, FSB OVERLAND PARK, Kansas, United States Related to adviser: No

Provider details

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

Fund details & source

Fund ID: 805-6844033943
Reported beneficial owners: 38
Minimum commitment: $50K
Form D file number: 021-132690

Form ADV 1203279 · Mar 30, 2018 · 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.

DIESSLIN ENERGY OPPORTUNITIES FUND I, LTD.Private Equity Fund · Last reported Apr 2, 2025$190KGross asset value

Form D fundraising filings

Diesslin Energy Opportunities Fund I, Ltd.

Auditor WHITLEY PENN LLP FORT WORTH, Texas, United States

Custodian CHARLES SCHWAB & CO., INC. 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

WHITLEY PENN LLP
PCAOB 726

CHARLES SCHWAB & CO., INC.
SEC 8-16514

Fund details & source

Fund ID: 805-3101813173
Reported beneficial owners: 43
Minimum commitment: $50K
Form D file number: 021-202955

Form ADV 1975623 · Apr 2, 2025 · 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 25, 2026. View historical filings

Reported services

Financial planning · Individual portfolio management · Pooled investment vehicle management · Selection of other advisers

Compensation

Percentage of assets · Hourly · Fixed · Performance-based

Principal office

425 HOUSTON STREET, SUITE 500
FORT WORTH, TX, 76102-7411, United States

CRD 110557

Filing source

Form ADV 2127663 · Aug 25, 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.