Three Arch Wealth Management LLC

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

Portfolio value: $627M
Positions: 68
Quarter ended: September 30, 2026
Filed: October 20, 2026

Reported portfolio value by quarter (4 quarters reported)

$652M $534M

Q4 25 Q1 26 Q2 26 Q3 26

$534M in Q4 2025 → $627M now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding	% of portfolio	Activity	Shares	Value
DE Dimensional ETF Trust	7.5%	Trimmed 3.0%	709,186	$47.1M
DE Dimensional ETF Trust	7.4%	Trimmed 3.0%	603,328	$46.7M
DE Dimensional ETF Trust	7.4%	Trimmed 2.6%	558,477	$46.4M
AC American Centy ETF Tr	7.1%	Added 3.3%	377,130	$44.4M
AC American Centy ETF Tr	5.7%	Added 2.2%	516,917	$35.7M
DE Dimensional ETF Trust	5.3%	Trimmed 0.6%	599,384	$33.5M
DE Dimensional ETF Trust	5.2%	Added 10%	631,238	$32.8M
DE Dimensional ETF Trust	5.1%	Trimmed 2.8%	582,202	$32M
AC American Centy ETF Tr	5.0%	Added 2.6%	411,699	$31.4M
DE Dimensional ETF Trust	4.3%	Added 2.0%	665,777	$26.7M
DE Dimensional ETF Trust	4.1%	Added 2.3%	629,331	$25.9M
DE Dimensional ETF Trust	4.0%	Added 17%	498,598	$25.2M
DE Dimensional ETF Trust	4.0%	Added 18%	540,568	$25.1M
SS SPDR Series Trust	3.0%	Added 20%	573,432	$18.5M
AC American Centy ETF Tr	2.8%	Added 4.9%	272,505	$17.7M
Apple Inc	2.8%	Added 0.6%	52,581	$17.5M
AC American Centy ETF Tr	2.6%	Added 2.9%	148,737	$16.3M
AC American Centy ETF Tr	2.6%	Added 3.3%	170,439	$16M
DE Dimensional ETF Trust	2.5%	Added 2.6%	462,845	$15.6M
DE Dimensional ETF Trust	2.3%	Added 3.7%	398,159	$14.4M
AC American Centy ETF Tr	2.0%	Added 5.3%	278,354	$12.3M
AC American Centy ETF Tr	0.6%	Unchanged	57,916	$3.93M
DE Dimensional ETF Trust	0.5%	Added 38%	65,895	$3.14M
AC American Centy ETF Tr	0.4%	Added 0.2%	27,826	$2.52M
VC Vanguard Calif Tax Free Fds	0.4%	Trimmed 20%	23,429	$2.21M
IT Ishares Tr	0.3%	Unchanged	13,044	$2.17M
SS SPDR Series Trust	0.3%	Added 0.2%	86,524	$1.95M
Amazon Com Inc	0.3%	Added 2.7%	7,734	$1.93M
DE Dimensional ETF Trust	0.3%	Trimmed 0.1%	48,317	$1.9M
DE Dimensional ETF Trust	0.3%	Trimmed 1.2%	40,264	$1.74M
Alphabet Inc	0.3%	Added 242%	4,711	$1.61M
VI Vanguard Index Fds	0.2%	Trimmed 0.9%	7,930	$1.55M
DE Dimensional ETF Trust	0.2%	Trimmed 1.4%	35,680	$1.51M
VI Vanguard Index Fds	0.2%	Trimmed 2.2%	5,946	$1.37M
VB Vanguard Bd Index Fds	0.2%	Trimmed 14%	18,656	$1.31M
DE Dimensional ETF Trust	0.2%	Trimmed 0.3%	47,356	$1.28M
VI Vanguard Intl Equity Index F	0.2%	Unchanged	7,879	$1.24M
AC American Centy ETF Tr	0.2%	Unchanged	12,975	$1.01M
VW Vanguard Wellington Fd	0.1%	Added 1.2%	8,870	$875K
AC American Centy ETF Tr	0.1%	Unchanged	11,743	$805K
Microsoft Corp	0.1%	Added 41%	1,519	$779K
Tesla Inc	0.1%	Added 0.1%	2,183	$775K
DE Dimensional ETF Trust	0.1%	Trimmed 15%	16,049	$757K
BH Berkshire Hathaway Inc Del	0.1%	Unchanged	1	$747K
Nvidia Corporation	0.1%	Added 68%	2,847	$650K
DE Dimensional ETF Trust	0.1%	Added 6.7%	13,160	$636K
Meta Platforms Inc	0.1%	Added 7.7%	870	$631K
Advanced Micro Devices Inc	0.1%	Trimmed 0.7%	997	$610K
Alphabet Inc	0.1%	Added 26%	1,654	$569K
FN F N B Corp	0.1%	Added 0.4%	32,797	$564K
DE Dimensional ETF Trust	0.1%	Added 6.3%	12,242	$553K
IT Ishares Tr	0.1%	Added 2.3%	574	$440K
Visa Inc	0.1%	Added 6.8%	1,086	$390K
VI Vanguard Index Fds	0.1%	Added 14%	555	$389K
Exxonmobil Holdings Corp	0.1%	New	2,167	$353K
SS SPDR Series Trust	0.0%	Unchanged	5,094	$311K
VI Vanguard Index Fds	0.0%	Trimmed 0.9%	1,420	$307K
IE Invesco Exchange Traded Fd T	0.0%	Added 3.8%	1,339	$279K
Micron Technology Inc	0.0%	New	247	$263K
Intel Corp	0.0%	Added 0.7%	2,173	$261K

Showing top 60 of 68 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 3 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 20, 2026

Company	Action	Shares changed	Value of change	% of portfolio
DE Dimensional ETF Trust	Exited	−625,157	−$26.1M	—
DE Dimensional ETF Trust	Exited	−122,699	−$4.76M	—
DE Dimensional ETF Trust	Added	+82,420	+$3.83M	4.0%
DE Dimensional ETF Trust	Added	+74,066	+$3.74M	4.0%
DE Dimensional ETF Trust	Added	+59,742	+$3.1M	5.2%
SS SPDR Series Trust	Added	+94,131	+$3.04M	3.0%
DE Dimensional ETF Trust	Trimmed	−18,699	−$1.45M	7.4%
DE Dimensional ETF Trust	Trimmed	−21,757	−$1.45M	7.5%
AC American Centy ETF Tr	Added	+12,118	+$1.43M	7.1%
DE Dimensional ETF Trust	Trimmed	−14,846	−$1.23M	7.4%

Showing the 10 largest of 64 changes.

Q2 2026

quarter ended June 30, 2026 · filed August 06, 2026

Company	Action	Shares changed	Value of change	% of portfolio
DE Dimensional ETF Trust	Added	+81,921	+$3.91M	3.4%
DE Dimensional ETF Trust	Added	+61,179	+$3.11M	3.3%
SS SPDR Series Trust	Added	+88,121	+$2.95M	2.5%
VC Vanguard Calif Tax Free Fds	New	+29,203	+$2.94M	0.5%
AC American Centy ETF Tr	Added	+36,745	+$2.69M	5.7%
AC American Centy ETF Tr	Added	+21,507	+$2.68M	7.0%
DE Dimensional ETF Trust	New	+47,602	+$2.39M	0.4%
DE Dimensional ETF Trust	Added	+45,947	+$1.92M	4.0%
AC American Centy ETF Tr	Added	+14,621	+$1.51M	2.3%
AC American Centy ETF Tr	Added	+17,657	+$1.42M	5.0%

Showing the 10 largest of 61 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 06, 2026

Company	Action	Shares changed	Value of change	% of portfolio
Apple Inc	Added	+7,372	+$1.87M	2.3%
DE Dimensional ETF Trust	Added	+35,978	+$1.32M	3.8%
AC American Centy ETF Tr	Added	+9,684	+$1.07M	6.8%
DE Dimensional ETF Trust	Added	+21,281	+$1.02M	3.2%
SS SPDR Series Trust	Added	+29,573	+$992K	2.4%
AC American Centy ETF Tr	Added	+15,434	+$962K	5.3%
DE Dimensional ETF Trust	Added	+17,824	+$904K	3.3%
AC American Centy ETF Tr	Added	+11,729	+$870K	5.1%
Tesla Inc	New	+2,182	+$811K	0.1%
DE Dimensional ETF Trust	Trimmed	−10,826	−$770K	8.1%

Showing the 10 largest of 51 changes.

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