# EDGAR Filing Document

**Accession Number:** 0001811161
**File Stem:** 0001811161-26-000004
**Filing Date:** 2026-2
**Character Count:** 6850
**Document Hash:** 921a0a8631816bb2fd3a2e948a92ff39
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001811161-26-000004.hdr.sgml**: 20260213

**ACCESSION NUMBER**: 0001811161-26-000004

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

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260213

**DATE AS OF CHANGE**: 20260213

**EFFECTIVENESS DATE**: 20260213

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** J. Mark Nickell & Co.
- **CENTRAL INDEX KEY:** 0001811161

**ORGANIZATION NAME:**
- **EIN:** 621567543
- **STATE OF INCORPORATION:** TN
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-26329
- **FILM NUMBER:** 26629973

**BUSINESS ADDRESS:**
- **STREET 1:** 100 WESTWOOD PLACE
- **STREET 2:** SUITE 330
- **CITY:** BRENTWOOD
- **STATE:** TN
- **ZIP:** 37027
- **BUSINESS PHONE:** 615-371-6622

**MAIL ADDRESS:**
- **STREET 1:** 100 WESTWOOD PLACE
- **STREET 2:** SUITE 330
- **CITY:** BRENTWOOD
- **STATE:** TN
- **ZIP:** 37027

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 12-31-2025

**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:** J. Mark Nickell  Co.<br>**Address:** 100 WESTWOOD PLACE<br>SUITE 330<br>BRENTWOOD, TN 37027

**Form 13F File Number:** 028-26329

**CRD Number (if applicable):** 000111635

**SEC File Number (if applicable):** 801-121304

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:** Mark Nickell<br>**Title:** President and Chief Compliance Officer<br>**Phone:** 615-371-6622

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

Mark Nickell  Brentwood, TN  02-13-2026<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:** 30

**Form 13F Information Table Value Total:** $108301437

      (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 |
| BLACKROCK ETF TRUST II | ISHARES AAA CLO | 092528504 |  | 2296943 | 44390 | SH |  | SOLE |  | 0 | 0 | 44390 |
| BLACKROCK ETF TRUST II | ISHARES FLEXIBLE | 092528603 |  | 4416005 | 83684 | SH |  | SOLE |  | 0 | 0 | 83684 |
| BLACKROCK ETF TRUST | ISHARES US CARBO | 09290C509 |  | 608657 | 8215 | SH |  | SOLE |  | 0 | 0 | 8215 |
| DIMENSIONAL ETF TRUST | INTERNATNAL VAL | 25434V807 |  | 7491088 | 150122 | SH |  | SOLE |  | 0 | 0 | 150122 |
| GLOBAL X FDS | DATA CTR  DIGIT | 37954Y236 |  | 302848 | 14353 | SH |  | SOLE |  | 0 | 0 | 14353 |
| GLOBAL X FDS | FINTECH ETF | 37954Y814 |  | 249154 | 8466 | SH |  | SOLE |  | 0 | 0 | 8466 |
| GOLDMAN SACHS ETF TR | FUTURE HEALTH | 38149W770 |  | 253563 | 7143 | SH |  | SOLE |  | 0 | 0 | 7143 |
| ISHARES TR | S 100 ETF | 464287101 |  | 271975 | 793 | SH |  | SOLE |  | 0 | 0 | 793 |
| ISHARES TR | GLOBAL TECH ETF | 464287291 |  | 3190845 | 30389 | SH |  | SOLE |  | 0 | 0 | 30389 |
| ISHARES TR | S 500 GRWT ETF | 464287309 |  | 5661085 | 45928 | SH |  | SOLE |  | 0 | 0 | 45928 |
| ISHARES TR | ISHS 5-10YR INVT | 464288638 |  | 814989 | 15126 | SH |  | SOLE |  | 0 | 0 | 15126 |
| ISHARES TR | ESG OPTIMIZED | 464288802 |  | 468617 | 3363 | SH |  | SOLE |  | 0 | 0 | 3363 |
| ISHARES TR | MSCI USA QLT FCT | 46432F339 |  | 16876543 | 84969 | SH |  | SOLE |  | 0 | 0 | 84969 |
| ISHARES INC | MSCI EMRG CHN | 46434G764 |  | 2733422 | 37609 | SH |  | SOLE |  | 0 | 0 | 37609 |
| ISHARES TR | CORE UNIVRSL USD | 46434V613 |  | 11653476 | 250397 | SH |  | SOLE |  | 0 | 0 | 250397 |
| ISHARES TR | ESG AWRE 1 5 YR | 46435G243 |  | 715907 | 28364 | SH |  | SOLE |  | 0 | 0 | 28364 |
| ISHARES TR | ESG AWR MSCI USA | 46435G425 |  | 883004 | 5927 | SH |  | SOLE |  | 0 | 0 | 5927 |
| ISHARES TR | ESG AW MSCI EAFE | 46435G516 |  | 350787 | 3689 | SH |  | SOLE |  | 0 | 0 | 3689 |
| ISHARES TR | CYBERSECURITY | 46435U135 |  | 229773 | 4775 | SH |  | SOLE |  | 0 | 0 | 4775 |
| ISHARES TR | US INFRASTRUC | 46435U713 |  | 279096 | 5304 | SH |  | SOLE |  | 0 | 0 | 5304 |
| ISHARES TR | ESG AWARE MSCI | 46436E239 |  | 382084 | 7220 | SH |  | SOLE |  | 0 | 0 | 7220 |
| ISHARES TR | ESG EAFE ETF | 46436E759 |  | 208569 | 2775 | SH |  | SOLE |  | 0 | 0 | 2775 |
| J P MORGAN EXCHANGE TRADED F | ULTRA SHRT ETF | 46641Q837 |  | 9090163 | 179683 | SH |  | SOLE |  | 0 | 0 | 179683 |
| PIMCO ETF TR | MULTISECTOR BD | 72201R585 |  | 6233809 | 233651 | SH |  | SOLE |  | 0 | 0 | 233651 |
| SCHWAB STRATEGIC TR | US DIVIDEND EQ | 808524797 |  | 4829573 | 176069 | SH |  | SOLE |  | 0 | 0 | 176069 |
| GMO ETF TRUST | GMO US QUALITY E | 90139K100 |  | 7938952 | 206421 | SH |  | SOLE |  | 0 | 0 | 206421 |
| VANGUARD WORLD FD | ESG US STK ETF | 921910733 |  | 311472 | 2575 | SH |  | SOLE |  | 0 | 0 | 2575 |
| VANGUARD WHITEHALL FDS | INTL DVD ETF | 921946810 |  | 4522568 | 49454 | SH |  | SOLE |  | 0 | 0 | 49454 |
| VANGUARD INDEX FDS | S 500 ETF SHS | 922908363 |  | 12942709 | 20638 | SH |  | SOLE |  | 0 | 0 | 20638 |
| VANGUARD INDEX FDS | TOTAL STK MKT | 922908769 |  | 2093761 | 6245 | SH |  | SOLE |  | 0 | 0 | 6245 |

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