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Super Investors WESTCO ADVISORY SERVICES INC /ADV
WA

WESTCO ADVISORY SERVICES INC /ADV

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

Portfolio value
$166M
Positions
98
Quarter ended
September 30, 2026
Filed
October 14, 2026

Reported portfolio value by quarter (4 quarters reported)

$166M $156M
Q4 25 Q1 26 Q2 26 Q3 26

$163M in Q4 2025 → $166M 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
SS State Str SPDR S&P 500 ETF T 16.9% Trimmed 0.6% 36,856 $28.1M
Apple Inc 11.6% Trimmed 1.4% 57,893 $19.3M
Goldman Sachs Group Inc 8.3% Trimmed 0.2% 15,287 $13.8M
Jpmorgan Chase & Co 5.8% Trimmed 0.3% 29,088 $9.62M
ST Seagate Technology Hldngs Pl 4.4% Added 0.4% 7,978 $7.36M
Microsoft Corp 4.1% Trimmed 0.2% 13,198 $6.77M
BH Berkshire Hathaway Inc Del 3.2% Trimmed 2.2% 10,861 $5.41M
Celestica Inc 2.4% Trimmed 0.4% 11,007 $3.98M
Alphabet Inc 1.9% Trimmed 0.7% 9,085 $3.13M
OD Old Dominion Freight Line In 1.5% Trimmed 3.4% 13,997 $2.43M
CS Comfort Sys Usa Inc 1.4% Unchanged 1,390 $2.3M
RM Robinhood Mkts Inc 1.4% Trimmed 1.0% 20,323 $2.29M
Broadcom Inc 1.3% Unchanged 6,203 $2.18M
Visa Inc 1.3% Trimmed 1.6% 5,982 $2.15M
EL Eli Lilly & Co 1.3% Unchanged 1,841 $2.13M
Nvidia Corporation 1.3% Added 0.5% 9,247 $2.11M
Outfront Media Inc 1.2% Trimmed 0.3% 70,450 $1.95M
SG SPDR Gold Tr 1.1% Trimmed 1.8% 4,848 $1.85M
Cintas Corp 1.1% Trimmed 0.8% 9,441 $1.84M
BO Bank Of Ny Mellon Corp 1.1% Added 2.6% 12,660 $1.83M
Morgan Stanley 1.0% Added 6.2% 8,409 $1.58M
Lamar Advertising Co 0.9% Trimmed 0.2% 10,832 $1.56M
Costco Wholesale Corporation 0.9% Trimmed 0.9% 1,690 $1.54M
Merck & Co Inc 0.9% Unchanged 10,558 $1.53M
Chevron Corporation 0.9% Unchanged 7,455 $1.52M
Amgen Inc 0.9% Unchanged 3,562 $1.5M
Blackrock Inc 0.9% Trimmed 1.7% 1,352 $1.43M
SS Schwab Strategic Tr 0.8% Trimmed 0.6% 42,699 $1.28M
MF Manulife Finl Corp 0.8% Trimmed 0.5% 29,457 $1.25M
Thermo Fisher Scientific Inc 0.7% Unchanged 1,825 $1.23M
IT Ishares Tr 0.7% Unchanged 6,221 $1.21M
Dht Holdings Inc 0.7% Added 2.8% 50,235 $1.13M
Blackstone Inc 0.6% Trimmed 2.0% 9,621 $1.08M
Vertex Pharmaceuticals Inc 0.6% Trimmed 0.4% 1,989 $1.04M
WC Williams Cos Inc 0.6% Trimmed 0.5% 15,018 $1.02M
IT Ishares Tr 0.6% Added 4.7% 3,341 $985K
Church & Dwight Co Inc 0.5% Trimmed 0.7% 9,089 $856K
Abbvie Inc 0.5% Unchanged 3,234 $846K
Cencora Inc 0.5% Trimmed 3.0% 2,769 $831K
CF Cincinnati Finl Corp 0.4% Trimmed 0.2% 4,310 $687K
FC Fidelity Covington Trust 0.4% Trimmed 4.9% 11,183 $660K
Caterpillar Inc 0.4% Added 21% 790 $641K
IT Illinois Tool Wks Inc 0.4% Unchanged 2,473 $636K
SS SPDR Series Trust 0.4% Trimmed 2.8% 9,847 $621K
Amphenol Corp 0.4% Added 100% 7,150 $603K
Arista Networks Inc 0.4% Unchanged 2,929 $596K
SS SPDR Series Trust 0.3% Added 0.2% 3,965 $581K
IE Invesco Exch Traded Fd Tr Ii 0.3% Added 4.7% 5,707 $567K
General Dynamics Corp 0.3% Unchanged 1,693 $562K
GB Grayscale Bitcoin Mini Tr Et 0.3% Unchanged 14,334 $530K
Amazon Com Inc 0.3% Added 1.2% 2,117 $527K
SS SPDR Series Trust 0.3% Trimmed 8.5% 19,755 $481K
PG Plains Gp Hldgs L P 0.3% Unchanged 18,245 $473K
Allstate Corp 0.3% Unchanged 2,098 $465K
PA Packaging Corp Amer 0.3% Unchanged 2,024 $464K
VI Vanguard Index Fds 0.3% Unchanged 653 $458K
IE Invesco Exchange Traded Fd T 0.3% Added 5.6% 6,752 $429K
Mplx LP 0.3% Unchanged 7,585 $427K
IT Ishares Tr 0.3% Added 5.8% 1,109 $424K
SS Schwab Strategic Tr 0.3% Added 4.6% 13,437 $423K

Showing top 60 of 98 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 14, 2026

Company Action Shares changed Value of change % of portfolio
M Mcdonalds Corp Exited −2,590 −$700K —
MM Modine Mfg Co Exited −2,455 −$656K —
Advanced Micro Devices Inc New +545 +$333K 0.2%
Amphenol Corp Added +3,575 +$301K 0.4%
Dell Technologies Inc New +545 +$293K 0.2%
Apple Inc Trimmed −822 −$274K 11.6%
Applovin Corp Exited −530 −$273K —
Silicon Motion Technology Co New +785 +$220K 0.1%
Gsk PLC Exited −4,090 −$214K —
Public Storage Exited −650 −$207K —

Showing the 10 largest of 68 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 28, 2026

Company Action Shares changed Value of change % of portfolio
Tractor Supply Co Exited −48,440 −$2.19M —
BA Bank America Corp Exited −44,649 −$2.18M —
SS State Str SPDR S&P 500 ETF T Trimmed −2,602 −$1.94M 16.7%
Goldman Sachs Group Inc Trimmed −709 −$717K 9.4%
Gildan Activewear Inc Exited −11,206 −$624K —
Microsoft Corp Trimmed −1,344 −$501K 3.0%
Apple Inc Trimmed −1,505 −$435K 10.3%
Jpmorgan Chase & Co Trimmed −1,212 −$397K 5.8%
ST Seagate Technology Hldngs Pl Trimmed −361 −$348K 4.6%
HI Honeywell Intl Inc Exited −1,510 −$341K —

Showing the 10 largest of 94 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 11, 2026

Company Action Shares changed Value of change % of portfolio
AD Automatic Data Processing In Exited −7,774 −$2M —
Blackstone Inc Trimmed −12,539 −$1.44M 0.8%
Merck & Co Inc New +10,886 +$1.31M 0.8%
Ares Management Corporation Exited −7,202 −$1.16M —
Dht Holdings Inc New +51,341 +$938K 0.6%
Costco Wholesale Corporation Added +700 +$698K 1.1%
Gildan Activewear Inc New +11,206 +$624K 0.4%
SS State Str SPDR S&P 500 ETF T Trimmed −929 −$604K 16.6%
GB Grayscale Bitcoin Trust ETF Exited −8,648 −$591K —
Apple Inc Trimmed −2,201 −$559K 9.8%

Showing the 10 largest of 91 changes.

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