Q3 2026 13F · SEC CIK 946310

Westco Advisory Services Inc /adv

Wealth managerFiled 2026-10-14 for Q3 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $166.5M
Reported positions: 98
Holdings vs S&P 500, 3 yrs: —
Average holding period: 1.0 yrs

Westco Advisory Services Inc /adv is a wealth manager that reported 98 positions worth $166.5M in its Q3 2026 13F, filed 2026-10-14. Its largest holdings were State Str Spdr S&p 500 ETF T (SPY, 16.9%), Apple Inc (AAPL, 11.6%), Goldman Sachs Group Inc (GS, 8.3%).

Westco Advisory Services Inc /adv holdings largest 50 of 98 positions.

Weights are shares of the filer's total reported 13F value, compared with Q2 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Westco Advisory Services Inc /adv 13F holdings
Stock	% of 13F value	Q2 2026	Shares	Share change	Reported value
SPYState Str Spdr S&p 500 ETF T	16.9%	16.7%	36,856	-0.6%	$28.1M
AAPLApple Inc	11.6%	10.3%	57,893	-1.4%	$19.3M
GSGoldman Sachs Group Inc	8.3%	9.3%	15,287	-0.2%	$13.8M
JPMJpmorgan Chase & Co	5.8%	5.8%	29,088	-0.3%	$9.6M
STXSeagate Technology Hldngs Pl	4.4%	4.6%	7,978	+0.4%	$7.4M
MSFTMicrosoft Corp	4.1%	3.0%	13,198	-0.2%	$6.8M
BRK-BBerkshire Hathaway Inc Del	3.2%	3.4%	10,861	-2.2%	$5.4M
CLSCelestica Inc	2.4%	2.4%	11,007	-0.4%	$4.0M
GOOGLAlphabet Inc	1.9%	2.0%	9,085	-0.7%	$3.1M
ODFLOld Dominion Freight Line in	1.5%	1.9%	13,997	-3.4%	$2.4M
FIXComfort Sys USA Inc	1.4%	1.7%	1,390	+0.0%	$2.3M
HOODRobinhood Mkts Inc	1.4%	1.2%	20,323	-1.0%	$2.3M
AVGOBroadcom Inc	1.3%	1.4%	6,203	+0.0%	$2.2M
VVisa Inc	1.3%	1.3%	5,982	-1.6%	$2.1M
LLYEli Lilly & Co	1.3%	1.3%	1,841	+0.0%	$2.1M
NVDANvidia Corporation	1.3%	1.1%	9,247	+0.5%	$2.1M
OUTOutfront Media Inc	1.2%	1.4%	70,450	-0.3%	$2.0M
GLDSpdr Gold Tr	1.1%	1.1%	4,848	-1.8%	$1.8M
CTASCintas Corp	1.1%	1.0%	9,441	-0.8%	$1.8M
BNYBank of Ny Mellon Corp	1.1%	1.1%	12,660	+2.6%	$1.8M
MSMorgan Stanley	0.9%	1.0%	8,409	+6.2%	$1.6M
LAMRLamar Advertising Co New Cl A	0.9%	1.0%	10,832	-0.2%	$1.6M
COSTCostco Wholesale Corporation	0.9%	1.0%	1,690	-0.9%	$1.5M
MRKMerck & Co Inc	0.9%	0.8%	10,558	+0.0%	$1.5M
CVXChevron Corporation	0.9%	0.7%	7,455	+0.0%	$1.5M
AMGNAmgen Inc	0.9%	0.8%	3,562	+0.0%	$1.5M
BLKBlackrock Inc	0.9%	0.8%	1,352	-1.7%	$1.4M
SCHXSchwab Strategic Tr	0.8%	0.8%	42,699	-0.6%	$1.3M
MFCManulife Finl Corp	0.8%	0.7%	29,457	-0.5%	$1.3M
TMOThermo Fisher Scientific Inc	0.7%	0.6%	1,825	+0.0%	$1.2M
IUSGIshares Tr	0.7%	0.7%	6,221	+0.0%	$1.2M
DHTDHT Holdings, Inc.	0.7%	0.5%	50,235	+2.8%	$1.1M
BXBlackstone Inc	0.6%	0.7%	9,621	-2.0%	$1.1M
VRTXVertex Pharmaceuticals Inc	0.6%	0.6%	1,989	-0.4%	$1.0M
WMBWilliams Cos	0.6%	0.7%	15,018	-0.5%	$1.0M
IWYIshares Tr	0.6%	0.6%	3,341	+4.7%	$985K
CHDChurch & Dwight Co Inc	0.5%	0.5%	9,089	-0.7%	$856K
ABBVAbbvie Inc	0.5%	0.5%	3,234	+0.0%	$846K
CORCencora Inc	0.5%	0.5%	2,769	-3.0%	$831K
CINFCincinnati Finl Corporation	0.4%	0.5%	4,310	-0.2%	$687K
FMILFidelity Covington Trust	0.4%	0.4%	11,183	-4.9%	$660K
CATCaterpillar Inc	0.4%	0.4%	790	+20.6%	$641K
ITWIllinois Tool Wks Inc	0.4%	0.4%	2,473	+0.0%	$636K
SPMDSpdr Series Trust	0.4%	0.4%	9,847	-2.8%	$621K
APHAmphenol Corp	0.4%	0.4%	7,150	+100.0%	$603K
ANETArista Networks Inc	0.4%	—	2,929	—	$596K
SDYSpdr Ser Tr	0.3%	0.4%	3,965	+0.2%	$581K
SOXQInvesco Exch Traded Fd Tr II	0.3%	0.4%	5,707	+4.7%	$567K
GDGeneral Dynamics Corp	0.3%	0.4%	1,693	+0.0%	$562K
BTCGrayscale Bitcoin Mini Tr Et	0.3%	—	14,334	—	$530K

What Westco Advisory Services Inc /adv bought and sold in Q3 2026, against Q2 2026.

New positions

Q2 2026's filing was too long to tell new positions apart.

Added to

APH Amphenol Corp+100.0% shares
CAT Caterpillar Inc+20.6% shares
MS Morgan Stanley+6.2% shares

Reduced

No position shrank by more than 5%.

Left the top 50

MCD Mcdonalds Corpwas 0.4%
MOD Modine Manufacturing Cowas 0.4%

Share counts compared with the Q2 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: —
3 years: —
5 years: —

A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q3 2026	$166.5M	98
Q2 2026	$165.7M	99
Q1 2026	$155.5M	104
Q4 2025	$162.7M	93

Questions about Westco Advisory Services Inc /adv's portfolio

What stocks does Westco Advisory Services Inc /adv own?

Westco Advisory Services Inc /adv's latest 13F, for Q3 2026 and filed Oct 14, 2026, lists 98 positions worth $166.5M. The largest are State Str Spdr S&p 500 ETF T (SPY) at 16.9%, Apple Inc (AAPL) at 11.6%, Goldman Sachs Group Inc (GS) at 8.3%, Jpmorgan Chase & Co (JPM) at 5.8% and Seagate Technology Hldngs Pl (STX) at 4.4%.

What did Westco Advisory Services Inc /adv buy last quarter?

In Q3 2026, Westco Advisory Services Inc /adv added Amphenol Corp (APH) (+100.0% shares), Caterpillar Inc (CAT) (+20.6% shares) and Morgan Stanley (MS) (+6.2% shares), compared with its Q2 2026 filing.

What did Westco Advisory Services Inc /adv sell last quarter?

In Q3 2026, Westco Advisory Services Inc /adv cut from its top 50 Mcdonalds Corp (MCD) and cut from its top 50 Modine Manufacturing Co (MOD), compared with its Q2 2026 filing.

When is Westco Advisory Services Inc /adv's next 13F filing due?

13F filings are due 45 days after each quarter ends. Westco Advisory Services Inc /adv's filing for the quarter ending Dec 31, 2026 is due by Feb 14, 2027; this page updates the day after it is published.