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DIESSLIN GROUP, INC.
CRD 110557File 801-31827
APPROVED
Retail clients
Custody
Filing as of Mar 4, 2026
Feed vintage Aug 17, 2026
Regulatory AUM
$696.3M
Above cohort median (national)
Discretionary AUM
$642.6M
Non-discretionary $53.7M
Clients
286
1,117 accounts
Employees
12
Above cohort median in TX
Identity & registration
ADV Item 1- Organization form
- Other (specify)
- Firm type
- Registered
- SEC region
- FWRO
- Registration date
- Apr 28, 1988
- Principal office
- 425 HOUSTON STREET, SUITE 500, FORT WORTH, TX, 76102-7411
- Phone
- 817-332-6122
- Website
- https://WWW.DIESSLIN.COM
Assets & accounts
ADV Item 5F- Total regulatory AUM
- $696.3M
- Discretionary AUM
- $642.6M
- Non-discretionary AUM
- $53.7M
- Discretionary accounts
- 981
- Non-discretionary accounts
- 136
- Total accounts
- 1,117
- AUM per client
- $2.4M
Clients by type
ADV Item 5D| Client type | Clients | AUM |
|---|---|---|
| Charitable organizations | Fewer than 5 | $39.9M |
| High net worth individuals | 147 | $600.4M |
| Pooled investment vehicles | 1 | $392K |
| Banking or thrift institutions | Fewer than 5 | $2.7M |
| Individuals (other than high net worth individuals) | 133 | $53.0M |
Compensation & activities
ADV Items 5E, 5GCompensation
- Fixed fees
- Hourly charges
- Performance-based fees
- A percentage of assets under your management
Advisory activities
- Other advisory activities
- Financial planning services
- Selection of other advisers
- Portfolio management for pooled investment vehicles
- Portfolio management for individuals and/or small businesses
Custody
ADV Item 9- Firm Custody Cash
- No
- Firm Custody Assets
- Yes
- Firm Custody Clients
- Yes
- Firm Custody Securities
- No
- Related Person Custody Cash
- Yes
- Related Person Custody Assets
- No
- Related Person Custody Clients
- No
- Related Person Custody Securities
- Yes
Disclosure events
ADV Item 11This firm answered no to every Item 11 disclosure question in this filing.
Filed changes
| Date | Field | From | To |
|---|---|---|---|
| Aug 12, 2026 | Registration | — | APPROVED |
Every value above is reproduced from this firm's Form ADV filing. Fields the firm left blank are shown as “Not reported” rather than filled in from other sources.