# EDGAR Filing Document

**Accession Number:** 0002108559
**File Stem:** 0002108559-26-000003
**Filing Date:** 2026-4
**Character Count:** 9079
**Document Hash:** 6b9ff46db8217f4ad251a4ec6e217e61
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002108559-26-000003.hdr.sgml**: 20260421

**ACCESSION NUMBER**: 0002108559-26-000003

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260421

**DATE AS OF CHANGE**: 20260421

**EFFECTIVENESS DATE**: 20260421

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Diesslin Group, Inc.
- **CENTRAL INDEX KEY:** 0002108559

**ORGANIZATION NAME:**
- **EIN:** 752147356
- **STATE OF INCORPORATION:** TX
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-26704
- **FILM NUMBER:** 26878291

**BUSINESS ADDRESS:**
- **STREET 1:** 425 HOUSTON ST
- **STREET 2:** STE 500
- **CITY:** FORT WORTH
- **STATE:** TX
- **ZIP:** 76102
- **BUSINESS PHONE:** 8173326122

**MAIL ADDRESS:**
- **STREET 1:** 425 HOUSTON ST
- **STREET 2:** STE 500
- **CITY:** FORT WORTH
- **STATE:** TX
- **ZIP:** 76102

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 03-31-2026

**Check here if Amendment** [ ] **Amendment Number:** 

**This Amendment (Check only one.):** [ ] is a restatement.

[ ] adds new holdings entries.

**Institutional Investment Manager Filing this Report:**

**Name:** Diesslin Group Inc.<br>**Address:** 425 HOUSTON ST<br>STE 500<br>FORT WORTH, TX 76102

**Form 13F File Number:** 028-26704

**CRD Number (if applicable):** 000110557

**SEC File Number (if applicable):** 801-31827

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

**Person Signing this Report on Behalf of Reporting Manager:**

**Name:** Olivia Partin<br>**Title:** Chief Compliance Officer<br>**Phone:** 817-288-3126

**Signature, Place, and Date of Signing:**

Olivia Partin  Fort Worth, TX  04-21-2026<br>[Signature]  [City, State]  [Date]

**Report Type (Check only one.):**

[x] **13F HOLDINGS REPORT.** (Check here if all holdings of this reporting manager are reported in this report.)

[ ] **13F NOTICE.** (Check here if no holdings are reported in this report, and all holdings are reported by other reporting manager(s).)

[ ] **13F COMBINATION REPORT.** (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

### Form 13F Summary Page

**Report Summary:**

**Number of Other Included Managers:** 0

**Form 13F Information Table Entry Total:** 53

**Form 13F Information Table Value Total:** $222049177

      (round to nearest dollar)

**List of Other Included Managers:**

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]

**NONE**

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| ADVISOR MANAGED PORTFOLIOS | REGAN FIXED RATE | 00777X520 |  | 255727 | 9078 | SH |  | SOLE | 0 | 0 | 0 | 9078 |
| AGILENT TECHNOLOGIES INC | COM | 00846U101 |  | 246197 | 2160 | SH |  | SOLE | 0 | 0 | 0 | 2160 |
| ALPHABET INC | CAP STK CL A | 02079K305 |  | 308880 | 1074 | SH |  | SOLE | 0 | 0 | 0 | 1074 |
| ALPHABET INC | CAP STK CL C | 02079K107 |  | 304094 | 1060 | SH |  | SOLE | 0 | 0 | 0 | 1060 |
| AMAZON COM INC | COM | 023135106 |  | 762060 | 3659 | SH |  | SOLE | 0 | 0 | 0 | 3659 |
| APPLE INC | COM | 037833100 |  | 3759161 | 14812 | SH |  | SOLE | 0 | 0 | 0 | 14812 |
| AZZ INC | COM | 002474104 |  | 875910 | 7000 | SH |  | SOLE | 0 | 0 | 0 | 7000 |
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 |  | 2154420 | 3 | SH |  | SOLE | 0 | 0 | 0 | 3 |
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 |  | 58124564 | 121295 | SH |  | SOLE | 0 | 0 | 0 | 121295 |
| BLACKROCK CR ALLOCATION | COM | 092508100 |  | 352771 | 34928 | SH |  | SOLE | 0 | 0 | 0 | 34928 |
| CHEVRON CORPORATION | COM | 166764100 |  | 276212 | 1335 | SH |  | SOLE | 0 | 0 | 0 | 1335 |
| CONOCOPHILLIPS | COM | 20825C104 |  | 434838 | 3294 | SH |  | SOLE | 0 | 0 | 0 | 3294 |
| CULLEN FROST BANKERS INC | COM | 229899109 |  | 507059 | 3699 | SH |  | SOLE | 0 | 0 | 0 | 3699 |
| DIMENSIONAL ETF TRUST | US CORE EQUITY 2 | 25434V708 |  | 326813 | 8410 | SH |  | SOLE | 0 | 0 | 0 | 8410 |
| EXXON MOBIL CORP | COM | 30231G102 |  | 801168 | 4722 | SH |  | SOLE | 0 | 0 | 0 | 4722 |
| HANCOCK JOHN TAX-ADVANTAGED | COM | 41013V100 |  | 755171 | 30487 | SH |  | SOLE | 0 | 0 | 0 | 30487 |
| INVESCO EXCHANGE TRADED FD T | S EQL WGT | 46137V357 |  | 8658543 | 45115 | SH |  | SOLE | 0 | 0 | 0 | 45115 |
| INVESCO QQQ TR | UNIT SER 1 | 46090E103 |  | 26684277 | 46232 | SH |  | SOLE | 0 | 0 | 0 | 46232 |
| ISHARES BITCOIN TRUST ETF | SHS BEN INT | 46438F101 |  | 248923 | 6479 | SH |  | SOLE | 0 | 0 | 0 | 6479 |
| ISHARES GOLD TR | ISHARES NEW | 464285204 |  | 763818 | 8664 | SH |  | SOLE | 0 | 0 | 0 | 8664 |
| ISHARES TR | 20 YR TR BD ETF | 464287432 |  | 4214923 | 48621 | SH |  | SOLE | 0 | 0 | 0 | 48621 |
| ISHARES TR | RUSEL 2500 ETF | 46435G268 |  | 22232608 | 291193 | SH |  | SOLE | 0 | 0 | 0 | 291193 |
| JANUS DETROIT STR TR | HENDRSON AAA CL | 47103U845 |  | 32132088 | 637921 | SH |  | SOLE | 0 | 0 | 0 | 637921 |
| JANUS DETROIT STR TR | HENDERSON SECURI | 47103U746 |  | 403611 | 7829 | SH |  | SOLE | 0 | 0 | 0 | 7829 |
| JOHNSON  JOHNSON | COM | 478160104 |  | 1140968 | 4668 | SH |  | SOLE | 0 | 0 | 0 | 4668 |
| MARVELL TECHNOLOGY INC | COM | 573874104 |  | 233065 | 2353 | SH |  | SOLE | 0 | 0 | 0 | 2353 |
| MICROSOFT CORP | COM | 594918104 |  | 1088453 | 2940 | SH |  | SOLE | 0 | 0 | 0 | 2940 |
| NEXTDECADE CORP | COM | 65342K105 |  | 76600 | 10000 | SH |  | SOLE | 0 | 0 | 0 | 10000 |
| NOVARTIS AG | SPONSORED ADR | 66987V109 |  | 830105 | 5434 | SH |  | SOLE | 0 | 0 | 0 | 5434 |
| NUVEEN PFD  INCOME OPPORTUN | COM | 67073B106 |  | 92408 | 12256 | SH |  | SOLE | 0 | 0 | 0 | 12256 |
| NVIDIA CORPORATION | COM | 67066G104 |  | 508498 | 2916 | SH |  | SOLE | 0 | 0 | 0 | 2916 |
| PEPSICO INC | COM | 713448108 |  | 1087185 | 7001 | SH |  | SOLE | 0 | 0 | 0 | 7001 |
| PERMIANVILLE RTY TR | TR UNIT | 71425H100 |  | 51273 | 27715 | SH |  | SOLE | 0 | 0 | 0 | 27715 |
| PLAINS GP HLDGS L P | LTD PARTNR INT A | 72651A207 |  | 1995263 | 82177 | SH |  | SOLE | 0 | 0 | 0 | 82177 |
| SPDR GOLD TR | GOLD SHS | 78463V107 |  | 1015054 | 2359 | SH |  | SOLE | 0 | 0 | 0 | 2359 |
| SPROTT ASSET MANAGEMENT LP | PHYSICAL GOLD TR | 85207H104 |  | 1403282 | 39596 | SH |  | SOLE | 0 | 0 | 0 | 39596 |
| STATE STR SPDR S 500 ETF T | TR UNIT | 78462F103 |  | 2162713 | 3326 | SH |  | SOLE | 0 | 0 | 0 | 3326 |
| STATE STR SPDR S MIDCAP 40 | UTSER1 S | 78467Y107 |  | 450471 | 730 | SH |  | SOLE | 0 | 0 | 0 | 730 |
| TESLA INC | COM | 88160R101 |  | 205950 | 554 | SH |  | SOLE | 0 | 0 | 0 | 554 |
| UNION PAC CORP | COM | 907818108 |  | 475293 | 1959 | SH |  | SOLE | 0 | 0 | 0 | 1959 |
| VALUED ADVISERS TR | REGAN FLTG RATE | 92046L338 |  | 512464 | 20089 | SH |  | SOLE | 0 | 0 | 0 | 20089 |
| VANECK ETF TRUST | PREFERRED SECURT | 92189F429 |  | 347998 | 19840 | SH |  | SOLE | 0 | 0 | 0 | 19840 |
| VANGUARD CHARLOTTE FDS | TOTAL INT BD ETF | 92203J407 |  | 453160 | 9431 | SH |  | SOLE | 0 | 0 | 0 | 9431 |
| VANGUARD INDEX FDS | TOTAL STK MKT | 922908769 |  | 2480585 | 7732 | SH |  | SOLE | 0 | 0 | 0 | 7732 |
| VANGUARD INDEX FDS | REAL ESTATE ETF | 922908553 |  | 588506 | 6635 | SH |  | SOLE | 0 | 0 | 0 | 6635 |
| VANGUARD INDEX FDS | MCAP VL IDXVIP | 922908512 |  | 23004871 | 124837 | SH |  | SOLE | 0 | 0 | 0 | 124837 |
| VANGUARD TAX-MANAGED FDS | VAN FTSE DEV MKT | 921943858 |  | 1436737 | 22421 | SH |  | SOLE | 0 | 0 | 0 | 22421 |
| VANGUARD WORLD FD | EXTENDED DUR | 921910709 |  | 9132171 | 140603 | SH |  | SOLE | 0 | 0 | 0 | 140603 |
| VANGUARD WORLD FD | ENERGY ETF | 92204A306 |  | 502605 | 2905 | SH |  | SOLE | 0 | 0 | 0 | 2905 |
| WALMART INC | COM | 931142103 |  | 4218160 | 33941 | SH |  | SOLE | 0 | 0 | 0 | 33941 |
| WELLS FARGO  CO | COM | 949746101 |  | 368754 | 4632 | SH |  | SOLE | 0 | 0 | 0 | 4632 |
| WELLS FARGO  CO | PERP PFD CNV A | 949746804 |  | 232085 | 201 | SH |  | SOLE | 0 | 0 | 0 | 201 |
| YUM BRANDS INC | COM | 988498101 |  | 370664 | 2384 | SH |  | SOLE | 0 | 0 | 0 | 2384 |

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