Platt Investment Counsel, LLC

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

Reported portfolio value by quarter (24 quarters reported)

$149M $68.9M

Q4 20 Q1 22 Q2 23 Q3 24 Q4 25 Q3 26

$106M in Q4 2020 → $145M 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
VW Vanguard World Fd	29.7%	Trimmed 8.8%	317,973	$43.1M
IQ Invesco Qqq Tr	15.2%	Trimmed 18%	29,938	$22.1M
IT Ishares Tr	14.0%	Trimmed 1.0%	283,339	$20.4M
VS Vanguard Scottsdale Fds	9.3%	Added 20%	174,010	$13.4M
VI Vanguard Intl Equity Index F	8.3%	Added 59%	145,591	$12.1M
IT Ishares Tr	7.8%	Added 26%	40,991	$11.4M
VB Vanguard Bd Index Fds	7.2%	Trimmed 5.4%	148,151	$10.4M
VB Vanguard Bd Index Fds	6.9%	Trimmed 3.2%	159,642	$10M
Bristol-myers Squibb Co	0.4%	Unchanged	8,525	$532K
Tesla Inc	0.3%	Trimmed 2.2%	1,320	$468K
Apple Inc	0.3%	Unchanged	1,111	$370K
VI Vanguard Index Fds	0.2%	Unchanged	463	$324K
Alphabet Inc	0.2%	Unchanged	928	$319K
IT Ishares Tr	0.2%	Trimmed 5.0%	2,507	$293K
Inventiva Sa	0.0%	New	12,260	$45.2K

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

quarter ended September 30, 2026 · filed October 07, 2026

Company	Action	Shares changed	Value of change	% of portfolio
IQ Invesco Qqq Tr	Trimmed	−6,685	−$4.95M	15.2%
VI Vanguard Intl Equity Index F	Added	+54,215	+$4.5M	8.3%
VW Vanguard World Fd	Trimmed	−30,858	−$4.18M	29.7%
IT Ishares Tr	Added	+8,366	+$2.32M	7.8%
VS Vanguard Scottsdale Fds	Added	+29,283	+$2.26M	9.3%
VB Vanguard Bd Index Fds	Trimmed	−8,465	−$594K	7.2%
VB Vanguard Bd Index Fds	Trimmed	−5,322	−$334K	6.9%
IT Ishares Tr	Trimmed	−2,746	−$198K	14.0%
Inventiva Sa	New	+12,260	+$45.2K	—
IT Ishares Tr	Trimmed	−131	−$15.3K	0.2%

Showing the 10 largest of 11 changes.

quarter ended June 30, 2026 · filed July 08, 2026

Company	Action	Shares changed	Value of change	% of portfolio
Bristol-myers Squibb Co	New	+8,525	+$491K	0.3%
VW Vanguard World Fd	Added	+1,617	+$214K	30.9%
VB Vanguard Bd Index Fds	Added	+2,880	+$199K	7.6%
IQ Invesco Qqq Tr	Trimmed	−254	−$187K	18.1%
VS Vanguard Scottsdale Fds	Added	+1,829	+$145K	7.7%
VB Vanguard Bd Index Fds	Added	+1,281	+$94K	7.7%
Alphabet Inc	Added	+208	+$74.3K	0.2%
VI Vanguard Intl Equity Index F	Added	+832	+$69.7K	5.1%
Tesla Inc	Trimmed	−150	−$63.1K	0.4%
Apple Inc	Added	+176	+$50.9K	0.2%

Showing the 10 largest of 12 changes.

quarter ended March 31, 2026 · filed April 09, 2026

Company	Action	Shares changed	Value of change	% of portfolio
VI Vanguard Intl Equity Index F	New	+90,544	+$6.8M	5.2%
VW Vanguard World Fd	Trimmed	−54,780	−$6.15M	30.0%
IQ Invesco Qqq Tr	Trimmed	−5,878	−$3.39M	16.4%
VB Vanguard Bd Index Fds	Trimmed	−31,769	−$2.34M	8.8%
IT Ishares Tr	Added	+9,098	+$2.26M	6.2%
VB Vanguard Bd Index Fds	Added	+23,635	+$1.63M	8.6%
IT Ishares Tr	Added	+9,586	+$647K	14.9%
VS Vanguard Scottsdale Fds	Added	+4,981	+$395K	8.7%
Apple Inc	Trimmed	−418	−$106K	0.2%
Alphabet Inc	Trimmed	−228	−$65.6K	0.2%

Showing the 10 largest of 11 changes.

quarter ended December 31, 2025 · filed January 07, 2026

Company	Action	Shares changed	Value of change	% of portfolio
SS Schwab Strategic Tr	Exited	−248,356	−$6.69M	—
IT Ishares Tr	New	+23,469	+$5.78M	4.3%
VB Vanguard Bd Index Fds	Added	+62,750	+$4.65M	10.2%
VB Vanguard Bd Index Fds	Added	+40,018	+$2.78M	7.1%
IQ Invesco Qqq Tr	Trimmed	−403	−$248K	19.4%
IT Ishares Tr	Added	+2,223	+$147K	13.5%
VS Vanguard Scottsdale Fds	Added	+1,632	+$130K	8.1%
VW Vanguard World Fd	Added	+791	+$95.7K	35.9%

quarter ended September 30, 2025 · filed October 14, 2025

Company	Action	Shares changed	Value of change	% of portfolio
VB Vanguard Bd Index Fds	New	+124,354	+$9.25M	7.3%
SS Schwab Strategic Tr	New	+248,356	+$6.69M	5.3%
VS Vanguard Scottsdale Fds	Trimmed	−64,441	−$5.15M	8.6%
IQ Invesco Qqq Tr	Added	+4,119	+$2.47M	20.4%
VB Vanguard Bd Index Fds	Trimmed	−34,181	−$2.42M	5.5%
VW Vanguard World Fd	Added	+17,010	+$2.01M	37.4%
IT Ishares Tr	Added	+30,628	+$2M	14.1%
Alphabet Inc	New	+948	+$230K	0.2%
VI Vanguard Index Fds	Added	+22	+$13.5K	0.2%
Apple Inc	Trimmed	−22	−$5.6K	0.3%

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

Company	Action	Shares changed	Value of change	% of portfolio
IT Ishares Tr	Exited	−45,327	−$9.04M	—
VB Vanguard Bd Index Fds	Added	+42,464	+$2.95M	8.8%
VS Vanguard Scottsdale Fds	Added	+33,572	+$2.67M	15.2%
VW Vanguard World Fd	Trimmed	−9,779	−$1.07M	40.0%
IQ Invesco Qqq Tr	Trimmed	−660	−$364K	20.5%
IT Ishares Tr	Trimmed	−2,942	−$182K	14.3%
IT Ishares Tr	Trimmed	−276	−$26.7K	0.3%

quarter ended March 31, 2025 · filed April 10, 2025

Company	Action	Shares changed	Value of change	% of portfolio
VS Vanguard Scottsdale Fds	Added	+152,074	+$12M	13.0%
SS Select Sector SPDR Tr	Exited	−49,873	−$6.57M	—
VB Vanguard Bd Index Fds	New	+90,148	+$6.35M	6.3%
IT Ishares Tr	Trimmed	−27,925	−$5.57M	8.9%
VI Vanguard Index Fds	Exited	−17,492	−$5.07M	—
VW Vanguard World Fd	Added	+14,804	+$1.45M	38.1%
IT Ishares Tr	Added	+10,577	+$617K	14.2%
IQ Invesco Qqq Tr	Added	+717	+$336K	18.4%
VI Vanguard Index Fds	New	+441	+$227K	0.2%
Tesla Inc	Trimmed	−300	−$77.7K	0.4%

Showing the 10 largest of 11 changes.

quarter ended December 31, 2024 · filed January 15, 2025

Company	Action	Shares changed	Value of change	% of portfolio
VW Vanguard World Fd	Trimmed	−32,030	−$3.36M	38.0%
IT Ishares Tr	Trimmed	−15,056	−$3.33M	15.4%
IQ Invesco Qqq Tr	Trimmed	−6,164	−$3.15M	19.0%
IT Ishares Tr	Trimmed	−4,843	−$302K	14.0%
SS Select Sector SPDR Tr	Trimmed	−1,533	−$202K	6.3%
VI Vanguard Index Fds	Trimmed	−577	−$167K	4.8%
VS Vanguard Scottsdale Fds	Added	+977	+$76.2K	1.1%
Apple Inc	Trimmed	−112	−$28K	0.3%
IT Ishares Tr	Trimmed	−60	−$5.38K	0.3%

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