# EDGAR Filing Document

**Accession Number:** 0001542164
**File Stem:** 0001542164-25-000003
**Filing Date:** 2025-11
**Character Count:** 9960
**Document Hash:** fe54cb5bde9f81d84dfad7488c3852f2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001542164-25-000003.hdr.sgml**: 20251110

**ACCESSION NUMBER**: 0001542164-25-000003

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

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251110

**DATE AS OF CHANGE**: 20251110

**EFFECTIVENESS DATE**: 20251110

**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:** 251465112

**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:** 09-30-2025

**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:** 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  11-10-2025<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:** 58

**Form 13F Information Table Value Total:** $1774679221

      (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

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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 |
| DIMENSIONAL ETF TRUST | INTL CORE EQUITY | 25434V799 |  | 45911562 | 1400170 | SH |  | SOLE |  | 0 | 0 | 1400170 |
| VANGUARD BD INDEX FDS | TOTAL BND MRKT | 921937835 |  | 112077289 | 1507023 | SH |  | SOLE |  | 0 | 0 | 1507023 |
| ISHARES TR | CORE US AGGBD ET | 464287226 |  | 62244357 | 620891 | SH |  | SOLE |  | 0 | 0 | 620891 |
| DIMENSIONAL ETF TRUST | US HIGH PROFITAB | 25434V831 |  | 49940849 | 1322236 | SH |  | SOLE |  | 0 | 0 | 1322236 |
| DIMENSIONAL ETF TRUST | US CORE EQUITY 2 | 25434V708 |  | 61768022 | 1601452 | SH |  | SOLE |  | 0 | 0 | 1601452 |
| ISHARES TR | NATIONAL MUN ETF | 464288414 |  | 295547 | 2775 | SH |  | SOLE |  | 0 | 0 | 2775 |
| ISHARES TR | MSCI EMG MKT ETF | 464287234 |  | 1647584 | 30854 | SH |  | SOLE |  | 0 | 0 | 30854 |
| DIMENSIONAL ETF TRUST | INTL SMALL CAP V | 25434V781 |  | 3679257 | 103089 | SH |  | SOLE |  | 0 | 0 | 103089 |
| DIMENSIONAL ETF TRUST | INTL HIGH PROFIT | 25434V765 |  | 18291042 | 601778 | SH |  | SOLE |  | 0 | 0 | 601778 |
| WISDOMTREE TR | EMG MKTS SMCAP | 97717W281 |  | 10239102 | 179319 | SH |  | SOLE |  | 0 | 0 | 179319 |
| VANGUARD INTL EQUITY INDEX F | FTSE PACIFIC ETF | 922042866 |  | 46831063 | 533141 | SH |  | SOLE |  | 0 | 0 | 533141 |
| ISHARES TR | MSCI EAFE ETF | 464287465 |  | 2578888 | 27620 | SH |  | SOLE |  | 0 | 0 | 27620 |
| SPDR GOLD TR | GOLD SHS | 78463V107 |  | 240332 | 676 | SH |  | SOLE |  | 0 | 0 | 676 |
| DIMENSIONAL ETF TRUST | US TARGETED VLU | 25434V609 |  | 8435558 | 144916 | SH |  | SOLE |  | 0 | 0 | 144916 |
| ISHARES TR | S 500 VAL ETF | 464287408 |  | 5977136 | 28944 | SH |  | SOLE |  | 0 | 0 | 28944 |
| DIMENSIONAL ETF TRUST | US SMALL CAP ETF | 25434V500 |  | 8380768 | 122418 | SH |  | SOLE |  | 0 | 0 | 122418 |
| VANGUARD INDEX FDS | TOTAL STK MKT | 922908769 |  | 126307717 | 384885 | SH |  | SOLE |  | 0 | 0 | 384885 |
| ISHARES TR | RUS TOP 200 ETF | 464289446 |  | 625820 | 3768 | SH |  | SOLE |  | 0 | 0 | 3768 |
| FLEXSHARES TR | M STAR DEV MKT | 33939L803 |  | 2422792 | 27304 | SH |  | SOLE |  | 0 | 0 | 27304 |
| VANGUARD TAX-MANAGED FDS | VAN FTSE DEV MKT | 921943858 |  | 46793590 | 780934 | SH |  | SOLE |  | 0 | 0 | 780934 |
| ISHARES TR | EAFE VALUE ETF | 464288877 |  | 4832821 | 71249 | SH |  | SOLE |  | 0 | 0 | 71249 |
| VANGUARD INDEX FDS | SM CP VAL ETF | 922908611 |  | 128444750 | 615422 | SH |  | SOLE |  | 0 | 0 | 615422 |
| VANGUARD INTL EQUITY INDEX F | FTSE SMCAP ETF | 922042718 |  | 49241383 | 345432 | SH |  | SOLE |  | 0 | 0 | 345432 |
| ISHARES INC | CORE MSCI EMKT | 46434G103 |  | 237303 | 3600 | SH |  | SOLE |  | 0 | 0 | 3600 |
| VANGUARD INDEX FDS | VALUE ETF | 922908744 |  | 109447391 | 586881 | SH |  | SOLE |  | 0 | 0 | 586881 |
| ISHARES TR | CORE S ETF | 464287200 |  | 2803025 | 4188 | SH |  | SOLE |  | 0 | 0 | 4188 |
| VANGUARD STAR FDS | VG TL INTL STK F | 921909768 |  | 47766737 | 650241 | SH |  | SOLE |  | 0 | 0 | 650241 |
| ISHARES TR | MICRO-CAP ETF | 464288869 |  | 2934466 | 19683 | SH |  | SOLE |  | 0 | 0 | 19683 |
| ISHARES TR | CORE 40/60 MODER | 464289875 |  | 362131 | 7611 | SH |  | SOLE |  | 0 | 0 | 7611 |
| ISHARES TR | EAFE SML CP ETF | 464288273 |  | 1615129 | 21052 | SH |  | SOLE |  | 0 | 0 | 21052 |
| FLEXSHARES TR | MSTAR EMKT FAC | 33939L308 |  | 407843 | 6463 | SH |  | SOLE |  | 0 | 0 | 6463 |
| VANGUARD INDEX FDS | SMALL CP ETF | 922908751 |  | 111933073 | 440196 | SH |  | SOLE |  | 0 | 0 | 440196 |
| VANGUARD INTL EQUITY INDEX F | FTSE EMR MKT ETF | 922042858 |  | 34247538 | 632107 | SH |  | SOLE |  | 0 | 0 | 632107 |
| VANGUARD MALVERN FDS | STRM INFPROIDX | 922020805 |  | 35091831 | 693104 | SH |  | SOLE |  | 0 | 0 | 693104 |
| VANGUARD SCOTTSDALE FDS | SHORT TERM TREAS | 92206C102 |  | 23364795 | 397023 | SH |  | SOLE |  | 0 | 0 | 397023 |
| ISHARES TR | 1 3 YR TREAS BD | 464287457 |  | 6279796 | 75697 | SH |  | SOLE |  | 0 | 0 | 75697 |
| ISHARES TR | CORE S TTL STK | 464287150 |  | 327275 | 2247 | SH |  | SOLE |  | 0 | 0 | 2247 |
| VANGUARD INDEX FDS | S 500 ETF SHS | 922908363 |  | 112283397 | 183356 | SH |  | SOLE |  | 0 | 0 | 183356 |
| FLEXSHARES TR | MORNSTAR USMKT | 33939L100 |  | 4247838 | 17532 | SH |  | SOLE |  | 0 | 0 | 17532 |
| VANGUARD INDEX FDS | REAL ESTATE ETF | 922908553 |  | 53885335 | 589426 | SH |  | SOLE |  | 0 | 0 | 589426 |
| DIMENSIONAL ETF TRUST | EMGR CRE EQT MNG | 25434V302 |  | 15686457 | 497509 | SH |  | SOLE |  | 0 | 0 | 497509 |
| VANGUARD BD INDEX FDS | SHORT TRM BOND | 921937827 |  | 66443956 | 842022 | SH |  | SOLE |  | 0 | 0 | 842022 |
| VANGUARD SCOTTSDALE FDS | SHRT TRM CORP BD | 92206C409 |  | 35085758 | 438956 | SH |  | SOLE |  | 0 | 0 | 438956 |
| SPDR INDEX SHS FDS | DJ GLB RL ES ETF | 78463X749 |  | 465552 | 10172 | SH |  | SOLE |  | 0 | 0 | 10172 |
| VANGUARD INDEX FDS | LARGE CAP ETF | 922908637 |  | 561088 | 1823 | SH |  | SOLE |  | 0 | 0 | 1823 |
| VANGUARD INTL EQUITY INDEX F | ALLWRLD EX US | 922042775 |  | 63631870 | 891577 | SH |  | SOLE |  | 0 | 0 | 891577 |
| AMERICAN CENTY ETF TR | INTL SMCP VLU | 025072802 |  | 22448309 | 252143 | SH |  | SOLE |  | 0 | 0 | 252143 |
| VANGUARD INTL EQUITY INDEX F | TT WRLD ST ETF | 922042742 |  | 2334120 | 16938 | SH |  | SOLE |  | 0 | 0 | 16938 |
| ISHARES TR | CORE MSCI EAFE | 46432F842 |  | 377948 | 4329 | SH |  | SOLE |  | 0 | 0 | 4329 |
| VANGUARD BD INDEX FDS | INTERMED TERM | 921937819 |  | 106587455 | 1364931 | SH |  | SOLE |  | 0 | 0 | 1364931 |
| ISHARES TR | SHRT NAT MUN ETF | 464288158 |  | 597802 | 5598 | SH |  | SOLE |  | 0 | 0 | 5598 |
| ISHARES TR | CORE 60/40 BALAN | 464289867 |  | 225821 | 3508 | SH |  | SOLE |  | 0 | 0 | 3508 |
| WISDOMTREE TR | FUTRE STRAT FD | 97717W125 |  | 1421706 | 37527 | SH |  | SOLE |  | 0 | 0 | 37527 |
| VANGUARD CHARLOTTE FDS | TOTAL INT BD ETF | 92203J407 |  | 35092140 | 709505 | SH |  | SOLE |  | 0 | 0 | 709505 |
| JPMORGAN CHASE  CO. | COM | 46625H100 |  | 698362 | 2214 | SH |  | SOLE |  | 0 | 0 | 2214 |
| VANGUARD INTL EQUITY INDEX F | FTSE EUROPE ETF | 922042874 |  | 46357288 | 580918 | SH |  | SOLE |  | 0 | 0 | 580918 |
| DIMENSIONAL ETF TRUST | INTL SMALL CAP E | 25434V773 |  | 31757904 | 1004044 | SH |  | SOLE |  | 0 | 0 | 1004044 |
| ISHARES TR | CORE 80/20 AGGRE | 464289859 |  | 463553 | 5259 | SH |  | SOLE |  | 0 | 0 | 5259 |

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