# EDGAR Filing Document

**Accession Number:** 0001542164
**File Stem:** 0001542164-26-000002
**Filing Date:** 2026-4
**Character Count:** 10088
**Document Hash:** 6ad0d9c8ceab238343d3ca6492042a3f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001542164-26-000002.hdr.sgml**: 20260429

**ACCESSION NUMBER**: 0001542164-26-000002

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

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260429

**DATE AS OF CHANGE**: 20260429

**EFFECTIVENESS DATE**: 20260429

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Efficient Advisors, LLC
- **CENTRAL INDEX KEY:** 0001542164

**ORGANIZATION NAME:**
- **EIN:** 264561649
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-14911
- **FILM NUMBER:** 26915586

**BUSINESS ADDRESS:**
- **STREET 1:** 408 4TH AVE
- **STREET 2:** #3
- **CITY:** MASON
- **STATE:** OH
- **ZIP:** 45040
- **BUSINESS PHONE:** 267-613-6250

**MAIL ADDRESS:**
- **STREET 1:** 9450 SW GEMINI DRIVE
- **STREET 2:** PMB 65198
- **CITY:** BEAVERTON
- **STATE:** OR
- **ZIP:** 97008

### 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:** Efficient Advisors LLC<br>**Address:** 9450 SW GEMINI DRIVE<br>PMB 65198<br>BEAVERTON, OR 97008

**Form 13F File Number:** 028-14911

**CRD Number (if applicable):** 000150144

**SEC File Number (if applicable):** 801-70110

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:** James Hadaway<br>**Title:** Chief Compliance Officer<br>**Phone:** 5138325477

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

James Hadaway  Cincinnati, OH  04-29-2026<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:** 1

**Form 13F Information Table Entry Total:** 58

**Form 13F Information Table Value Total:** $1408205921

      (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.]

| No.   | Name                              | Form 13F File Number   |
|:---|:---|:---|
|  | AssetMark Financial Holdings Inc. | 028-15639              |

### FORM 13F INFORMATION TABLE

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|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 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 | S 500 VAL ETF | 464287408 |  | 5450853 | 25815 | SH |  | SOLE |  | 0 | 0 | 25815 |
| ISHARES TR | CORE S ETF | 464287200 |  | 2507248 | 3838 | SH |  | SOLE |  | 0 | 0 | 3838 |
| ISHARES TR | MSCI EAFE ETF | 464287465 |  | 2249986 | 23165 | SH |  | SOLE |  | 0 | 0 | 23165 |
| SPDR SERIES TRUST | STATE STREET SPD | 78464A805 |  | 302088 | 3821 | SH |  | SOLE |  | 0 | 0 | 3821 |
| JPMORGAN CHASE  CO | COM | 46625H100 |  | 651270 | 2214 | SH |  | SOLE |  | 0 | 0 | 2214 |
| ISHARES TR | 1 3 YR TREAS BD | 464287457 |  | 3715193 | 44994 | SH |  | SOLE |  | 0 | 0 | 44994 |
| VANGUARD INDEX FDS | TOTAL STK MKT | 922908769 |  | 106631164 | 332381 | SH |  | SOLE |  | 0 | 0 | 332381 |
| ISHARES TR | MSCI EMG MKT ETF | 464287234 |  | 1400663 | 24664 | SH |  | SOLE |  | 0 | 0 | 24664 |
| VANGUARD INTL EQUITY INDEX F | FTSE EMR MKT ETF | 922042858 |  | 28575015 | 528677 | SH |  | SOLE |  | 0 | 0 | 528677 |
| ISHARES TR | CORE US AGGBD ET | 464287226 |  | 26101655 | 262936 | SH |  | SOLE |  | 0 | 0 | 262936 |
| SPDR GOLD TR | GOLD SHS | 78463V107 |  | 290397 | 675 | SH |  | SOLE |  | 0 | 0 | 675 |
| VANGUARD INTL EQUITY INDEX F | FTSE PACIFIC ETF | 922042866 |  | 39874384 | 408006 | SH |  | SOLE |  | 0 | 0 | 408006 |
| VANGUARD INDEX FDS | VALUE ETF | 922908744 |  | 96927385 | 494023 | SH |  | SOLE |  | 0 | 0 | 494023 |
| VANGUARD INDEX FDS | SM CP VAL ETF | 922908611 |  | 86450645 | 397932 | SH |  | SOLE |  | 0 | 0 | 397932 |
| VANGUARD INDEX FDS | REAL ESTATE ETF | 922908553 |  | 47705472 | 537829 | SH |  | SOLE |  | 0 | 0 | 537829 |
| VANGUARD INDEX FDS | SMALL CP ETF | 922908751 |  | 82819142 | 316200 | SH |  | SOLE |  | 0 | 0 | 316200 |
| ISHARES TR | MICRO-CAP ETF | 464288869 |  | 2554748 | 16006 | SH |  | SOLE |  | 0 | 0 | 16006 |
| ISHARES TR | EAFE VALUE ETF | 464288877 |  | 4554401 | 61256 | SH |  | SOLE |  | 0 | 0 | 61256 |
| VANGUARD INTL EQUITY INDEX F | FTSE EUROPE ETF | 922042874 |  | 40263024 | 488451 | SH |  | SOLE |  | 0 | 0 | 488451 |
| ISHARES TR | CORE S TTL STK | 464287150 |  | 377472 | 2650 | SH |  | SOLE |  | 0 | 0 | 2650 |
| VANGUARD INDEX FDS | LARGE CAP ETF | 922908637 |  | 562889 | 1884 | SH |  | SOLE |  | 0 | 0 | 1884 |
| VANGUARD INTL EQUITY INDEX F | ALLWRLD EX US | 922042775 |  | 54333805 | 723486 | SH |  | SOLE |  | 0 | 0 | 723486 |
| VANGUARD BD INDEX FDS | SHORT TRM BOND | 921937827 |  | 50126697 | 639290 | SH |  | SOLE |  | 0 | 0 | 639290 |
| VANGUARD BD INDEX FDS | INTERMED TERM | 921937819 |  | 109164141 | 1414410 | SH |  | SOLE |  | 0 | 0 | 1414410 |
| VANGUARD BD INDEX FDS | TOTAL BND MRKT | 921937835 |  | 113667760 | 1543560 | SH |  | SOLE |  | 0 | 0 | 1543560 |
| VANGUARD TAX-MANAGED FDS | VAN FTSE DEV MKT | 921943858 |  | 40370831 | 630007 | SH |  | SOLE |  | 0 | 0 | 630007 |
| ISHARES TR | NATIONAL MUN ETF | 464288414 |  | 256655 | 2418 | SH |  | SOLE |  | 0 | 0 | 2418 |
| VANGUARD INTL EQUITY INDEX F | FTSE SMCAP ETF | 922042718 |  | 41856874 | 287104 | SH |  | SOLE |  | 0 | 0 | 287104 |
| WISDOMTREE TR | EMG MKTS SMCAP | 97717W281 |  | 4142995 | 68935 | SH |  | SOLE |  | 0 | 0 | 68935 |
| ISHARES TR | EAFE SML CP ETF | 464288273 |  | 1457066 | 18583 | SH |  | SOLE |  | 0 | 0 | 18583 |
| SPDR INDEX SHS FDS | STATE STREET SPD | 78463X749 |  | 387212 | 8460 | SH |  | SOLE |  | 0 | 0 | 8460 |
| VANGUARD INTL EQUITY INDEX F | TT WRLD ST ETF | 922042742 |  | 1370250 | 9906 | SH |  | SOLE |  | 0 | 0 | 9906 |
| ISHARES TR | CORE 40/60 MODER | 464289875 |  | 252972 | 5340 | SH |  | SOLE |  | 0 | 0 | 5340 |
| ISHARES TR | SHRT NAT MUN ETF | 464288158 |  | 535108 | 5024 | SH |  | SOLE |  | 0 | 0 | 5024 |
| ISHARES TR | CORE 80/20 AGGRE | 464289859 |  | 367434 | 4152 | SH |  | SOLE |  | 0 | 0 | 4152 |
| ISHARES TR | RUS TOP 200 ETF | 464289446 |  | 622778 | 3881 | SH |  | SOLE |  | 0 | 0 | 3881 |
| VANGUARD SCOTTSDALE FDS | SHRT TRM CORP BD | 92206C409 |  | 36444947 | 459757 | SH |  | SOLE |  | 0 | 0 | 459757 |
| VANGUARD SCOTTSDALE FDS | SHORT TERM TREAS | 92206C102 |  | 8538673 | 145860 | SH |  | SOLE |  | 0 | 0 | 145860 |
| VANGUARD INDEX FDS | S 500 ETF SHS | 922908363 |  | 96996561 | 162324 | SH |  | SOLE |  | 0 | 0 | 162324 |
| WISDOMTREE TR | FUTRE STRAT FD | 97717W125 |  | 1397276 | 35208 | SH |  | SOLE |  | 0 | 0 | 35208 |
| VANGUARD STAR FDS | VG TL INTL STK F | 921909768 |  | 39404196 | 511013 | SH |  | SOLE |  | 0 | 0 | 511013 |
| FLEXSHARES TR | MORNSTAR USMKT | 33939L100 |  | 3633864 | 15055 | SH |  | SOLE |  | 0 | 0 | 15055 |
| ISHARES INC | CORE MSCI EMKT | 46434G103 |  | 224969 | 3225 | SH |  | SOLE |  | 0 | 0 | 3225 |
| ISHARES TR | CORE MSCI EAFE | 46432F842 |  | 382735 | 4228 | SH |  | SOLE |  | 0 | 0 | 4228 |
| FLEXSHARES TR | M STAR DEV MKT | 33939L803 |  | 1927051 | 20503 | SH |  | SOLE |  | 0 | 0 | 20503 |
| FLEXSHARES TR | MSTAR EMKT FAC | 33939L308 |  | 274050 | 4078 | SH |  | SOLE |  | 0 | 0 | 4078 |
| VANGUARD MALVERN FDS | STRM INFPROIDX | 922020805 |  | 36910745 | 738954 | SH |  | SOLE |  | 0 | 0 | 738954 |
| VANGUARD CHARLOTTE FDS | TOTAL INT BD ETF | 92203J407 |  | 36111473 | 751540 | SH |  | SOLE |  | 0 | 0 | 751540 |
| AMERICAN CENTY ETF TR | INTL SMCP VLU | 025072802 |  | 10998908 | 110143 | SH |  | SOLE |  | 0 | 0 | 110143 |
| DIMENSIONAL ETF TRUST | EMGR CRE EQT MNG | 25434V302 |  | 8484082 | 250564 | SH |  | SOLE |  | 0 | 0 | 250564 |
| DIMENSIONAL ETF TRUST | US CORE EQUITY 2 | 25434V708 |  | 30399116 | 782273 | SH |  | SOLE |  | 0 | 0 | 782273 |
| DIMENSIONAL ETF TRUST | US SMALL CAP ETF | 25434V500 |  | 9503537 | 133608 | SH |  | SOLE |  | 0 | 0 | 133608 |
| DIMENSIONAL ETF TRUST | US TARGETED VLU | 25434V609 |  | 9688500 | 155140 | SH |  | SOLE |  | 0 | 0 | 155140 |
| DIMENSIONAL ETF TRUST | US HIGH PROFITAB | 25434V831 |  | 26304541 | 715575 | SH |  | SOLE |  | 0 | 0 | 715575 |
| DIMENSIONAL ETF TRUST | INTL HIGH PROFIT | 25434V765 |  | 9592775 | 297727 | SH |  | SOLE |  | 0 | 0 | 297727 |
| DIMENSIONAL ETF TRUST | INTL SMALL CAP V | 25434V781 |  | 4090644 | 103718 | SH |  | SOLE |  | 0 | 0 | 103718 |
| DIMENSIONAL ETF TRUST | INTL CORE EQUITY | 25434V799 |  | 22959776 | 646208 | SH |  | SOLE |  | 0 | 0 | 646208 |
| DIMENSIONAL ETF TRUST | INTL SMALL CAP E | 25434V773 |  | 15059830 | 447277 | SH |  | SOLE |  | 0 | 0 | 447277 |

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