Efficient Advisors, LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value: $1.41B
Positions: 58
Quarter ended: March 31, 2026
Filed: April 29, 2026

Reported portfolio value by quarter (52 quarters reported)

$1.77B $358M

Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q1 26

$358M in Q2 2013 → $1.41B now. Hover for any quarter.

Holdings

As reported for the quarter ended March 31, 2026. Activity is the change in share count since the prior quarter's filing.

Holding	% of portfolio	Activity	Shares	Value
VB Vanguard Bd Index Fds	8.1%	Added 2.1%	1,543,560	$114M
VB Vanguard Bd Index Fds	7.8%	Added 3.1%	1,414,410	$109M
VI Vanguard Index Fds	7.6%	Trimmed 12%	332,381	$107M
VI Vanguard Index Fds	6.9%	Trimmed 9.5%	162,324	$97M
VI Vanguard Index Fds	6.9%	Trimmed 15%	494,023	$96.9M
VI Vanguard Index Fds	6.1%	Trimmed 30%	397,932	$86.5M
VI Vanguard Index Fds	5.9%	Trimmed 24%	316,200	$82.8M
VI Vanguard Intl Equity Index F	3.9%	Trimmed 18%	723,486	$54.3M
VB Vanguard Bd Index Fds	3.6%	Trimmed 17%	639,290	$50.1M
VI Vanguard Index Fds	3.4%	Trimmed 11%	537,829	$47.7M
VI Vanguard Intl Equity Index F	3.0%	Trimmed 18%	287,104	$41.9M
VT Vanguard Tax-managed Fds	2.9%	Trimmed 19%	630,007	$40.4M
VI Vanguard Intl Equity Index F	2.9%	Trimmed 17%	488,451	$40.3M
VI Vanguard Intl Equity Index F	2.8%	Trimmed 23%	408,006	$39.9M
VS Vanguard Star Fds	2.8%	Trimmed 20%	511,013	$39.4M
VM Vanguard Malvern Fds	2.6%	Added 3.6%	738,954	$36.9M
VS Vanguard Scottsdale Fds	2.6%	Added 3.3%	459,757	$36.4M
VC Vanguard Charlotte Fds	2.6%	Added 3.8%	751,540	$36.1M
DE Dimensional ETF Trust	2.2%	Trimmed 41%	782,273	$30.4M
VI Vanguard Intl Equity Index F	2.0%	Trimmed 14%	528,677	$28.6M
DE Dimensional ETF Trust	1.9%	Trimmed 37%	715,575	$26.3M
IT Ishares Tr	1.9%	Trimmed 47%	262,936	$26.1M
DE Dimensional ETF Trust	1.6%	Trimmed 45%	646,208	$23M
DE Dimensional ETF Trust	1.1%	Trimmed 47%	447,277	$15.1M
AC American Centy ETF Tr	0.8%	Trimmed 45%	110,143	$11M
DE Dimensional ETF Trust	0.7%	Trimmed 6.1%	155,140	$9.69M
DE Dimensional ETF Trust	0.7%	Trimmed 41%	297,727	$9.59M
DE Dimensional ETF Trust	0.7%	Trimmed 3.8%	133,608	$9.5M
VS Vanguard Scottsdale Fds	0.6%	Trimmed 54%	145,860	$8.54M
DE Dimensional ETF Trust	0.6%	Trimmed 39%	250,564	$8.48M
IT Ishares Tr	0.4%	Trimmed 3.1%	25,815	$5.45M
IT Ishares Tr	0.3%	Trimmed 9.7%	61,256	$4.55M
WT Wisdomtree Tr	0.3%	Trimmed 51%	68,935	$4.14M
DE Dimensional ETF Trust	0.3%	Trimmed 9.2%	103,718	$4.09M
IT Ishares Tr	0.3%	Trimmed 27%	44,994	$3.72M
FT Flexshares Tr	0.3%	Trimmed 9.6%	15,055	$3.63M
IT Ishares Tr	0.2%	Trimmed 8.4%	16,006	$2.55M
IT Ishares Tr	0.2%	Trimmed 10%	3,838	$2.51M
IT Ishares Tr	0.2%	Trimmed 9.9%	23,165	$2.25M
FT Flexshares Tr	0.1%	Trimmed 22%	20,503	$1.93M
IT Ishares Tr	0.1%	Trimmed 8.7%	18,583	$1.46M
IT Ishares Tr	0.1%	Trimmed 9.9%	24,664	$1.4M
WT Wisdomtree Tr	0.1%	Added 1.1%	35,208	$1.4M
VI Vanguard Intl Equity Index F	0.1%	Trimmed 37%	9,906	$1.37M
Jpmorgan Chase & Co	0.0%	Unchanged	2,214	$651K
IT Ishares Tr	0.0%	Added 5.3%	3,881	$623K
VI Vanguard Index Fds	0.0%	Added 4.3%	1,884	$563K
IT Ishares Tr	0.0%	Trimmed 1.9%	5,024	$535K
SI SPDR Index Shs Fds	0.0%	Trimmed 14%	8,460	$387K
IT Ishares Tr	0.0%	Trimmed 5.0%	4,228	$383K
IT Ishares Tr	0.0%	Trimmed 5.2%	2,650	$377K
IT Ishares Tr	0.0%	Trimmed 2.4%	4,152	$367K
SS SPDR Series Trust	0.0%	Unchanged	3,821	$302K
SG SPDR Gold Tr	0.0%	Unchanged	675	$290K
FT Flexshares Tr	0.0%	Trimmed 30%	4,078	$274K
IT Ishares Tr	0.0%	Trimmed 2.1%	2,418	$257K
IT Ishares Tr	0.0%	Trimmed 27%	5,340	$253K
I Ishares Inc	0.0%	Trimmed 7.4%	3,225	$225K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q1 2026

quarter ended March 31, 2026 · filed April 29, 2026

Company	Action	Shares changed	Value of change	% of portfolio
VI Vanguard Index Fds	Trimmed	−170,053	−$36.9M	6.1%
VI Vanguard Index Fds	Trimmed	−102,548	−$26.9M	5.9%
IT Ishares Tr	Trimmed	−231,681	−$23M	1.9%
DE Dimensional ETF Trust	Trimmed	−543,906	−$21.1M	2.2%
DE Dimensional ETF Trust	Trimmed	−523,802	−$18.6M	1.6%
VI Vanguard Index Fds	Trimmed	−88,839	−$17.4M	6.9%
DE Dimensional ETF Trust	Trimmed	−414,462	−$15.2M	1.9%
VI Vanguard Index Fds	Trimmed	−43,252	−$13.9M	7.6%
DE Dimensional ETF Trust	Trimmed	−393,496	−$13.2M	1.1%
VI Vanguard Intl Equity Index F	Trimmed	−157,055	−$11.8M	3.9%

Showing the 10 largest of 55 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 21, 2026

Company	Action	Shares changed	Value of change	% of portfolio
IT Ishares Tr	Trimmed	−126,274	−$12.6M	2.9%
DE Dimensional ETF Trust	Trimmed	−275,273	−$10.9M	3.1%
VI Vanguard Index Fds	Trimmed	−47,437	−$10M	7.0%
DE Dimensional ETF Trust	Trimmed	−230,160	−$7.93M	2.4%
DE Dimensional ETF Trust	Trimmed	−192,199	−$7.31M	2.5%
VB Vanguard Bd Index Fds	Trimmed	−71,402	−$5.63M	3.5%
VI Vanguard Index Fds	Trimmed	−21,448	−$5.53M	6.3%
DE Dimensional ETF Trust	Trimmed	−163,271	−$5.38M	1.6%
AC American Centy ETF Tr	Trimmed	−52,739	−$4.96M	1.1%
VS Vanguard Scottsdale Fds	Trimmed	−82,661	−$4.85M	1.1%

Showing the 10 largest of 58 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 10, 2025

Company	Action	Shares changed	Value of change	% of portfolio
VB Vanguard Bd Index Fds	Added	+87,451	+$6.83M	6.0%
SS SPDR Series Trust	Exited	−210,632	−$4.03M	—
PE Pimco ETF Tr	Exited	−74,595	−$4.01M	—
VB Vanguard Bd Index Fds	Added	+50,021	+$3.95M	3.7%
VB Vanguard Bd Index Fds	Added	+48,329	+$3.59M	6.3%
VI Vanguard Index Fds	Added	+37,708	+$3.45M	3.0%
VI Vanguard Index Fds	Added	+18,084	+$3.37M	6.2%
VC Vanguard Charlotte Fds	Added	+59,933	+$2.96M	2.0%
VM Vanguard Malvern Fds	Added	+57,906	+$2.93M	2.0%
VS Vanguard Scottsdale Fds	Added	+35,457	+$2.83M	2.0%

Showing the 10 largest of 98 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 07, 2025

Company	Action	Shares changed	Value of change	% of portfolio
VI Vanguard Index Fds	Added	+42,794	+$8.35M	7.1%
VI Vanguard Index Fds	Added	+34,143	+$8.09M	6.1%
VI Vanguard Index Fds	Added	+27,558	+$4.87M	6.0%
DE Dimensional ETF Trust	Added	+134,183	+$4.81M	3.3%
VI Vanguard Index Fds	Added	+14,412	+$4.38M	6.9%
VI Vanguard Index Fds	Added	+7,477	+$4.25M	6.1%
SS SPDR Series Trust	New	+210,632	+$4.03M	0.2%
VB Vanguard Bd Index Fds	Added	+54,559	+$4.02M	6.4%
PE Pimco ETF Tr	New	+74,595	+$4.01M	0.2%
DE Dimensional ETF Trust	Added	+106,406	+$3.78M	2.7%

Showing the 10 largest of 101 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 06, 2025

Company	Action	Shares changed	Value of change	% of portfolio
VI Vanguard Index Fds	Added	+15,376	+$2.86M	6.9%
AC American Centy ETF Tr	Trimmed	−38,760	−$2.7M	1.4%
VI Vanguard Intl Equity Index F	Trimmed	−36,732	−$2.58M	2.7%
VI Vanguard Index Fds	Added	+21,503	+$1.95M	3.1%
VI Vanguard Intl Equity Index F	Trimmed	−30,613	−$1.86M	3.6%
IT Ishares Tr	Trimmed	−31,110	−$1.83M	0.4%
VI Vanguard Index Fds	Added	+8,128	+$1.8M	5.8%
FT Flexshares Tr	Trimmed	−8,518	−$1.75M	0.4%
FT Flexshares Tr	Trimmed	−22,999	−$1.72M	0.3%
IT Ishares Tr	Trimmed	−8,054	−$1.53M	0.4%

Showing the 10 largest of 66 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 07, 2025

Company	Action	Shares changed	Value of change	% of portfolio
VI Vanguard Index Fds	Trimmed	−26,024	−$6.25M	6.1%
VI Vanguard Index Fds	Trimmed	−27,704	−$5.49M	7.1%
VB Vanguard Bd Index Fds	Added	+67,909	+$5.07M	6.2%
VB Vanguard Bd Index Fds	Added	+69,276	+$4.98M	6.4%
VI Vanguard Index Fds	Trimmed	−14,414	−$4.18M	6.9%
VI Vanguard Intl Equity Index F	Added	+57,872	+$3.67M	2.6%
DE Dimensional ETF Trust	Added	+131,808	+$3.41M	2.4%
VI Vanguard Intl Equity Index F	Added	+56,068	+$3.22M	3.5%
VI Vanguard Index Fds	Trimmed	−5,479	−$2.95M	6.1%
VT Vanguard Tax-managed Fds	Added	+57,941	+$2.77M	2.5%

Showing the 10 largest of 68 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 12, 2024

Company	Action	Shares changed	Value of change	% of portfolio
FT Flexshares Tr	Trimmed	−58,298	−$12.4M	0.7%
FT Flexshares Tr	Trimmed	−117,343	−$8.8M	0.5%
VI Vanguard Index Fds	Trimmed	−23,768	−$4.15M	6.1%
IT Ishares Tr	Trimmed	−39,798	−$4.03M	3.9%
VI Vanguard Index Fds	Trimmed	−39,879	−$3.89M	3.0%
VI Vanguard Index Fds	Trimmed	−13,195	−$3.13M	6.2%
VI Vanguard Index Fds	Trimmed	−5,856	−$3.09M	6.0%
VI Vanguard Index Fds	Trimmed	−9,847	−$2.79M	6.9%
VB Vanguard Bd Index Fds	Trimmed	−26,477	−$2.08M	6.0%
VB Vanguard Bd Index Fds	Trimmed	−23,660	−$1.86M	4.0%

Showing the 10 largest of 66 changes.

Q2 2024

quarter ended June 30, 2024 · filed August 05, 2024

Company	Action	Shares changed	Value of change	% of portfolio
IT Ishares Tr	Trimmed	−46,239	−$4.49M	4.2%
VB Vanguard Bd Index Fds	Added	+59,328	+$4.27M	6.2%
VB Vanguard Bd Index Fds	Added	+51,422	+$3.85M	6.0%
AC American Centy ETF Tr	Trimmed	−49,430	−$3.21M	1.5%
VI Vanguard Index Fds	Added	+35,201	+$2.95M	2.9%
VI Vanguard Index Fds	Trimmed	−12,217	−$2.23M	6.9%
VI Vanguard Intl Equity Index F	Added	+24,987	+$1.85M	2.5%
IT Ishares Tr	Trimmed	−10,173	−$1.85M	0.6%
FT Flexshares Tr	Trimmed	−8,270	−$1.65M	1.4%
IT Ishares Tr	Trimmed	−28,450	−$1.51M	0.5%

Showing the 10 largest of 68 changes.

Comments