# EDGAR Filing Document

**Accession Number:** 0001708872
**File Stem:** 0001580642-26-000390
**Filing Date:** 2026-1
**Character Count:** 11519
**Document Hash:** af979d12332feca6689ce5fbc190a9a0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001580642-26-000390.hdr.sgml**: 20260123

**ACCESSION NUMBER**: 0001580642-26-000390

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

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260123

**DATE AS OF CHANGE**: 20260123

**EFFECTIVENESS DATE**: 20260123

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Blankinship & Foster, LLC
- **CENTRAL INDEX KEY:** 0001708872

**ORGANIZATION NAME:**
- **EIN:** 330357690
- **STATE OF INCORPORATION:** CA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-18089
- **FILM NUMBER:** 26557401

**BUSINESS ADDRESS:**
- **STREET 1:** 420 STEVENS AVE
- **STREET 2:** STE. 250
- **CITY:** SOLANA BEACH
- **STATE:** CA
- **ZIP:** 92075
- **BUSINESS PHONE:** 8587555166

**MAIL ADDRESS:**
- **STREET 1:** 420 STEVENS AVE
- **STREET 2:** STE. 250
- **CITY:** SOLANA BEACH
- **STATE:** CA
- **ZIP:** 92075

### 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:** Blankinship  Foster LLC<br>**Address:** 420 Stevens Ave<br>Ste. 250<br>Solana Beach, CA 92075

**Form 13F File Number:** 028-18089

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:** Jon Beyrer<br>**Title:** Director/Wealth Manager; CCO<br>**Phone:** 858-755-5166

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

/s/ Jon Beyrer  Solana Beach, CA  01-22-2026<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:** 79

**Form 13F Information Table Value Total:** $462714083

      (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 |
| ISHARES TR | CORE S MCP ETF | 464287507 |  | 1701191 | 25776 | SH |  | SOLE |  | 0 | 0 | 25776 |
| ISHARES TR | S MC 400VL ETF | 464287705 |  | 279366 | 2123 | SH |  | SOLE |  | 0 | 0 | 2123 |
| ISHARES TR | S 500 VAL ETF | 464287408 |  | 810956 | 3824 | SH |  | SOLE |  | 0 | 0 | 3824 |
| ISHARES TR | CORE S ETF | 464287200 |  | 788721 | 1152 | SH |  | SOLE |  | 0 | 0 | 1152 |
| ISHARES TR | S 500 GRWT ETF | 464287309 |  | 1260002 | 10222 | SH |  | SOLE |  | 0 | 0 | 10222 |
| ISHARES TR | RUS 1000 ETF | 464287622 |  | 777704 | 2083 | SH |  | SOLE |  | 0 | 0 | 2083 |
| ISHARES TR | RUS 1000 GRW ETF | 464287614 |  | 2633826 | 5565 | SH |  | SOLE |  | 0 | 0 | 5565 |
| ISHARES TR | RUSSELL 2000 ETF | 464287655 |  | 333547 | 1355 | SH |  | SOLE |  | 0 | 0 | 1355 |
| ISHARES TR | RUS 2000 VAL ETF | 464287630 |  | 208446 | 1150 | SH |  | SOLE |  | 0 | 0 | 1150 |
| ISHARES TR | CORE S US GWT | 464287671 |  | 252582 | 1504 | SH |  | SOLE |  | 0 | 0 | 1504 |
| SPDR S 500 ETF TR | TR UNIT | 78462F103 |  | 5156440 | 7562 | SH |  | SOLE |  | 0 | 0 | 7562 |
| AMAZON COM INC | COM | 023135106 |  | 584436 | 2532 | SH |  | SOLE |  | 0 | 0 | 2532 |
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 |  | 3595455 | 7153 | SH |  | SOLE |  | 0 | 0 | 7153 |
| BOEING CO | COM | 097023105 |  | 330879 | 1524 | SH |  | SOLE |  | 0 | 0 | 1524 |
| ONEOK INC NEW | COM | 682680103 |  | 489951 | 6666 | SH |  | SOLE |  | 0 | 0 | 6666 |
| ABBOTT LABS | COM | 002824100 |  | 1510246 | 12054 | SH |  | SOLE |  | 0 | 0 | 12054 |
| ALTRIA GROUP INC | COM | 02209S103 |  | 253762 | 4401 | SH |  | SOLE |  | 0 | 0 | 4401 |
| GSK PLC | SPONSORED ADR | 37733W204 |  | 236961 | 4832 | SH |  | SOLE |  | 0 | 0 | 4832 |
| QUALCOMM INC | COM | 747525103 |  | 2192186 | 12816 | SH |  | SOLE |  | 0 | 0 | 12816 |
| JOHNSON  JOHNSON | COM | 478160104 |  | 983080 | 4750 | SH |  | SOLE |  | 0 | 0 | 4750 |
| PFIZER INC | COM | 717081103 |  | 270290 | 10855 | SH |  | SOLE |  | 0 | 0 | 10855 |
| ISHARES TR | MSCI EAFE ETF | 464287465 |  | 8800099 | 91639 | SH |  | SOLE |  | 0 | 0 | 91639 |
| CHEVRON CORP NEW | COM | 166764100 |  | 202553 | 1329 | SH |  | SOLE |  | 0 | 0 | 1329 |
| MICROSOFT CORP | COM | 594918104 |  | 1454782 | 3008 | SH |  | SOLE |  | 0 | 0 | 3008 |
| VODAFONE GROUP PLC NEW | SPONSORED ADR | 92857W308 |  | 276248 | 20912 | SH |  | SOLE |  | 0 | 0 | 20912 |
| AT INC | COM | 00206R102 |  | 277041 | 11153 | SH |  | SOLE |  | 0 | 0 | 11153 |
| INTERNATIONAL BUSINESS MACHS | COM | 459200101 |  | 385645 | 1302 | SH |  | SOLE |  | 0 | 0 | 1302 |
| VERIZON COMMUNICATIONS INC | COM | 92343V104 |  | 236275 | 5801 | SH |  | SOLE |  | 0 | 0 | 5801 |
| ISHARES TR | US CONSM STAPLES | 464287812 |  | 460488 | 6881 | SH |  | SOLE |  | 0 | 0 | 6881 |
| SELECT SECTOR SPDR TR | STATE STREET TEC | 81369Y803 |  | 293411 | 2038 | SH |  | SOLE |  | 0 | 0 | 2038 |
| ISHARES TR | EXPND TEC SC ETF | 464287549 |  | 238559 | 1847 | SH |  | SOLE |  | 0 | 0 | 1847 |
| VANGUARD SPECIALIZED FUNDS | DIV APP ETF | 921908844 |  | 484867 | 2206 | SH |  | SOLE |  | 0 | 0 | 2206 |
| EXXON MOBIL CORP | COM | 30231G102 |  | 584491 | 4857 | SH |  | SOLE |  | 0 | 0 | 4857 |
| WALMART INC | COM | 931142103 |  | 282765 | 2538 | SH |  | SOLE |  | 0 | 0 | 2538 |
| COSTCO WHSL CORP NEW | COM | 22160K105 |  | 574318 | 666 | SH |  | SOLE |  | 0 | 0 | 666 |
| VANGUARD INDEX FDS | TOTAL STK MKT | 922908769 |  | 33775220 | 100740 | SH |  | SOLE |  | 0 | 0 | 100740 |
| APPLE INC | COM | 037833100 |  | 5059021 | 18609 | SH |  | SOLE |  | 0 | 0 | 18609 |
| CATERPILLAR INC | COM | 149123101 |  | 816913 | 1426 | SH |  | SOLE |  | 0 | 0 | 1426 |
| VANGUARD WORLD FD | CONSUM STP ETF | 92204A207 |  | 16993271 | 80445 | SH |  | SOLE |  | 0 | 0 | 80445 |
| KINDER MORGAN INC DEL | COM | 49456B101 |  | 413367 | 15037 | SH |  | SOLE |  | 0 | 0 | 15037 |
| BRITISH AMERN TOB PLC | SPONSORED ADR | 110448107 |  | 328906 | 5809 | SH |  | SOLE |  | 0 | 0 | 5809 |
| VANGUARD INTL EQUITY INDEX F | FTSE EMR MKT ETF | 922042858 |  | 16605089 | 308874 | SH |  | SOLE |  | 0 | 0 | 308874 |
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 |  | 3774000 | 5 | SH |  | SOLE |  | 0 | 0 | 5 |
| ISHARES TR | CORE US AGGBD ET | 464287226 |  | 10049865 | 100619 | SH |  | SOLE |  | 0 | 0 | 100619 |
| NVIDIA CORPORATION | COM | 67066G104 |  | 549616 | 2947 | SH |  | SOLE |  | 0 | 0 | 2947 |
| JEFFERIES FINL GROUP INC | COM | 47233W109 |  | 236539 | 3817 | SH |  | SOLE |  | 0 | 0 | 3817 |
| ALPHABET INC | CAP STK CL A | 02079K305 |  | 2428880 | 7760 | SH |  | SOLE |  | 0 | 0 | 7760 |
| VANGUARD INDEX FDS | VALUE ETF | 922908744 |  | 217920 | 1141 | SH |  | SOLE |  | 0 | 0 | 1141 |
| VANGUARD WORLD FD | HEALTH CAR ETF | 92204A504 |  | 406677 | 1413 | SH |  | SOLE |  | 0 | 0 | 1413 |
| VANGUARD INDEX FDS | MID CAP ETF | 922908629 |  | 32042749 | 110408 | SH |  | SOLE |  | 0 | 0 | 110408 |
| VANGUARD INDEX FDS | GROWTH ETF | 922908736 |  | 33435380 | 68535 | SH |  | SOLE |  | 0 | 0 | 68535 |
| SEAGATE TECHNOLOGY HLDNGS PL | ORD SHS | G7997R103 |  | 708854 | 2574 | SH |  | SOLE |  | 0 | 0 | 2574 |
| AMER STATES WTR CO | COM | 029899101 |  | 251034 | 3463 | SH |  | SOLE |  | 0 | 0 | 3463 |
| VANGUARD INDEX FDS | LARGE CAP ETF | 922908637 |  | 2833904 | 9002 | SH |  | SOLE |  | 0 | 0 | 9002 |
| VANGUARD INTL EQUITY INDEX F | ALLWRLD EX US | 922042775 |  | 47610961 | 647240 | SH |  | SOLE |  | 0 | 0 | 647240 |
| BLACKSTONE INC | COM | 09260D107 |  | 258339 | 1676 | SH |  | SOLE |  | 0 | 0 | 1676 |
| ISHARES TR | MBS ETF | 464288588 |  | 7779625 | 81702 | SH |  | SOLE |  | 0 | 0 | 81702 |
| VANGUARD WHITEHALL FDS | HIGH DIV YLD | 921946406 |  | 2464238 | 17170 | SH |  | SOLE |  | 0 | 0 | 17170 |
| PHILIP MORRIS INTL INC | COM | 718172109 |  | 322404 | 2010 | SH |  | SOLE |  | 0 | 0 | 2010 |
| SCHWAB STRATEGIC TR | US BRD MKT ETF | 808524102 |  | 542337 | 20676 | SH |  | SOLE |  | 0 | 0 | 20676 |
| SCHWAB STRATEGIC TR | EMRG MKTEQ ETF | 808524706 |  | 2099384 | 64103 | SH |  | SOLE |  | 0 | 0 | 64103 |
| ISHARES TR | 0-5 YR TIPS ETF | 46429B747 |  | 294890 | 2880 | SH |  | SOLE |  | 0 | 0 | 2880 |
| SCHWAB STRATEGIC TR | US MID-CAP ETF | 808524508 |  | 3063681 | 101885 | SH |  | SOLE |  | 0 | 0 | 101885 |
| VANGUARD STAR FDS | VG TL INTL STK F | 921909768 |  | 1358570 | 18009 | SH |  | SOLE |  | 0 | 0 | 18009 |
| DBX ETF TR | XTRACK MSCI EAFE | 233051200 |  | 26517002 | 551174 | SH |  | SOLE |  | 0 | 0 | 551174 |
| ISHARES TR | MSCI EAFE MIN VL | 46429B689 |  | 384533 | 4458 | SH |  | SOLE |  | 0 | 0 | 4458 |
| META PLATFORMS INC | CL A | 30303M102 |  | 452822 | 686 | SH |  | SOLE |  | 0 | 0 | 686 |
| ISHARES INC | CORE MSCI EMKT | 46434G103 |  | 1326123 | 19728 | SH |  | SOLE |  | 0 | 0 | 19728 |
| ABBVIE INC | COM | 00287Y109 |  | 3544337 | 15512 | SH |  | SOLE |  | 0 | 0 | 15512 |
| ISHARES TR | 0-5YR HI YL CP | 46434V407 |  | 922878 | 21527 | SH |  | SOLE |  | 0 | 0 | 21527 |
| ISHARES TR | HDG MSCI EAFE | 46434V803 |  | 33515076 | 810326 | SH |  | SOLE |  | 0 | 0 | 810326 |
| ALPHABET INC | CAP STK CL C | 02079K107 |  | 2749516 | 8762 | SH |  | SOLE |  | 0 | 0 | 8762 |
| SUMMIT THERAPEUTICS INC | COM | 86627T108 |  | 223470 | 12777 | SH |  | SOLE |  | 0 | 0 | 12777 |
| VANGUARD MUN BD FDS | TAX EXEMPT BD | 922907746 |  | 1236199 | 24581 | SH |  | SOLE |  | 0 | 0 | 24581 |
| PHILLIPS EDISON  CO INC | COMMON STOCK | 71844V201 |  | 909095 | 25558 | SH |  | SOLE |  | 0 | 0 | 25558 |
| J P MORGAN EXCHANGE TRADED F | EQUITY PREMIUM | 46641Q332 |  | 208640 | 3645 | SH |  | SOLE |  | 0 | 0 | 3645 |
| DIMENSIONAL ETF TRUST | US CORE EQT MKT | 25434V104 |  | 124233496 | 2654562 | SH |  | SOLE |  | 0 | 0 | 2654562 |
| MODIV INDUSTRIAL INC | COM STK CL C | 60784B101 |  | 218973 | 15217 | SH |  | SOLE |  | 0 | 0 | 15217 |
| J P MORGAN EXCHANGE TRADED F | NASDAQ EQT PREM | 46654Q203 |  | 348720 | 6000 | SH |  | SOLE |  | 0 | 0 | 6000 |

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