WA
Westco Advisory Services Inc /adv 13F Holdings Tracker (Q3 2026)
Westco Advisory Services Inc /advCIK: 0000946310
Diversified strategyMomentum followerSector-focused
Total reported value
$166.5M
Reporting period: 2026-09-30 · Number of holdings: 98
WESTCO ADVISORY SERVICES INC /ADV disclosed 98 holdings in its latest 13F filing for the period ending 2026-09-30, with total reported value of $166.5M and a quarterly turnover rate of 10.3%.
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Personality snowflake
- Concentration
- 24.36
- Portfolio Stability
- 10.32
- Momentum
- 100
- Sector conviction
- 81.53
- Diversification
- 100
- Sizing Uniformity
- 77.6
Westco Advisory Services Inc /adv's disclosed holdings carry a Herfindahl concentration index of 0.061 — mathematically equivalent to about 16 equally-sized positions, well below its 98 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 2.24), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Sector classification currently covers about 69% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govAdd AAPL
-1.4% $2.3M
Add MSFT
-0.2% $1.8M
Trim GS
-0.2% -$1.7M
Trim ODFL
-3.4% -$705.3K
Sold out MCD
Sold out MOD
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 16.89% | +0.17% | -0.64% | |
| 2 | AAPL | Apple Inc | Stock-Tech | 11.58% | +1.33% | -1.40% | |
| 3 | GS | Goldman Sachs Group Inc | Stock-Financials | 8.27% | -1.08% | -0.20% | |
| 4 | JPM | Jpmorgan Chase & Co | Stock-Financials | 5.78% | +0.02% | -0.27% | |
| 5 | STX | Seagate Technology Holdings plc | Stock-Tech | 4.42% | -0.21% | +0.35% | |
| 6 | MSFT | Microsoft CORP | Stock-Tech | 4.07% | +1.09% | -0.25% | |
| 7 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 3.25% | -0.10% | -2.19% | |
| 8 | CLS | Celestica Inc | Stock-Tech | 2.39% | -0.04% | -0.36% | |
| 9 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 1.88% | -0.09% | -0.66% | |
| 10 | ODFL | Old Dominion Freight Line | Stock-Industrials | 1.46% | -0.43% | -3.40% | |
| 11 | FIX | Comfort Systems USA Inc | Stock-Industrials | 1.38% | -0.28% | — | |
| 12 | HOOD | Robinhood Markets Inc - A | Stock-Financials | 1.37% | +0.13% | -0.98% | |
| 13 | AVGO | Broadcom Inc | Stock-Tech | 1.31% | -0.10% | — | |
| 14 | V | Visa Inc-class A Shares | Stock-Financials | 1.29% | +0.03% | -1.64% | |
| 15 | LLY | Eli Lilly & Co | Stock-Healthcare | 1.28% | -0.05% | — | |
| 16 | NVDA | Nvidia CORP | Stock-Tech | 1.27% | +0.16% | +0.54% | |
| 17 | OUT | Outfront Media Inc | Stock-Other | 1.17% | -0.23% | -0.25% | |
| 18 | GLD | Spdr Gold Shares | ETF-Commodities | 1.11% | +0.01% | -1.80% | |
| 19 | CTAS | Cintas CORP | Stock-Industrials | 1.11% | +0.13% | -0.79% | |
| 20 | BNY | Bank Of New York Mellon CORP | Stock-Financials | 1.10% | +0.02% | +2.63% | |
| 21 | MS | Morgan Stanley | Stock-Financials | 0.95% | -0.05% | +6.17% | |
| 22 | LAMR | Lamar Advertising Co-a | Stock-Real Estate | 0.94% | -0.08% | -0.24% | |
| 23 | COST | Costco Wholesale CORP | Stock-Consumer Staples | 0.92% | -0.04% | -0.94% | |
| 24 | MRK | Merck & Co. Inc. | Stock-Healthcare | 0.92% | +0.10% | — | |
| 25 | CVX | Chevron CORP | Stock-Energy | 0.91% | +0.16% | — | |
| 26 | AMGN | Amgen Inc | Stock-Healthcare | 0.90% | +0.12% | — | |
| 27 | BLK | Blackrock Inc | Stock-Financials | 0.86% | +0.06% | -1.74% | |
| 28 | SCHX | Schwab US Large-cap ETF | ETF-Other | 0.77% | +0.01% | -0.61% | |
| 29 | MFC | Manulife Financial CORP | Stock-Financials | 0.75% | +0.03% | -0.53% | |
| 30 | TMO | Thermo Fisher Scientific Inc | Stock-Healthcare | 0.74% | +0.19% | — | |
| 31 | IUSG | Ishares Core S&p U.s. Growth | ETF-Other | 0.72% | +0.01% | — | |
| 32 | DHT | DHT Holdings, Inc. | Stock-Other | 0.68% | +0.19% | +2.76% | |
| 33 | BX | Blackstone Inc | Stock-Financials | 0.65% | -0.05% | -2.02% | |
| 34 | VRTX | Vertex Pharmaceuticals Inc | Stock-Healthcare | 0.62% | +0.02% | -0.40% | |
| 35 | WMB | Williams Cos Inc | Stock-Energy | 0.61% | -0.07% | -0.52% | |
| 36 | IWY | Ishares Russell Top 200 Grow | ETF-Other | 0.59% | +0.03% | +4.67% | |
| 37 | CHD | Church & Dwight Co Inc | Stock-Consumer Staples | 0.51% | -0.03% | -0.73% | |
| 38 | ABBV | Abbvie Inc | Stock-Healthcare | 0.51% | +0.02% | — | |
| 39 | COR | Cencora Inc | Stock-Healthcare | 0.50% | +0.01% | -3.05% | |
| 40 | CINF | Cincinnati Financial CORP | Stock-Financials | 0.41% | -0.07% | -0.16% | |
| 41 | FFLC | Fidelity Fndmntl L/c Cor ETF | ETF-Other | 0.40% | -0.02% | -4.94% | |
| 42 | CAT | Caterpillar Inc | Stock-Industrials | 0.38% | -0.04% | +20.61% | |
| 43 | ITW | Illinois Tool Works | Stock-Industrials | 0.38% | -0.02% | — | |
| 44 | SPMD | Ss Spdr P S&p 400 Midcap ETF | ETF-Other | 0.37% | -0.04% | -2.76% | |
| 45 | APH | Amphenol Corp-cl A | Stock-Tech | 0.36% | -0.02% | +100.00% | |
| 46 | ANET | Arista Networks Inc | Stock-Tech | 0.36% | +0.06% | — | |
| 47 | SDY | Ss Spdr S&p Dividend ETF | ETF-Other | 0.35% | -0.01% | +0.20% | |
| 48 | SOXQ | Invesco Phlx Semiconductor | ETF-Other | 0.34% | -0.03% | +4.66% | |
| 49 | GD | General Dynamics CORP | Stock-Industrials | 0.34% | -0.02% | — | |
| 50 | BTC | Grayscale Bitcoin Mini ETF | ETF-Crypto | 0.32% | +0.10% | — |
1–50 of 98
Portfolio Performance
Performance for Q4 2026
0%
Performance Last 4 Quarters
+12.6%
- Stdev
- +16.3%
- Beta
- +0.99
- Alpha
- -0.3%
- Max Drawdown
- -1.6%
- Annualized Perf
- +19.6%
- Batting Avg vs S&P
- +62.5%
- Sortino
- +3.19
- Stutzer
- +0.38
- Treynor
- +0.19
- Sterling
- —
- Calmar
- +11.99
- Information Ratio
- -0.13
- Tracking Error
- +3.6%
- Stdev Down
- +6%
- Winning Months %
- +50%
- Losing Months %
- +50%
- Best 12 Months
- —
- Worst 12 Months
- —
- Efficiency Ratio
- +0.48
- Sharpe
- +1.17
- Stdev Sectors
- +13.1%
- Skewness
- +0.82
- Kurtosis
- +0.03
- Upside Potential
- +4.89
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
Holding changes this quarter
Westco Advisory Services Inc /adv's most significant position changes for 2026-09-30: Sold out: Mcdonald's CORP (MCD); Sold out: Modine Manufacturing Co (MOD); New buy: Advanced Micro Devices (AMD); New buy: Dell Technologies -c (DELL); Sold out: Applovin Corp-class A (APP).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | AAPL | Apple Inc | +1.3% | -1.40% | Trim |
| 2 | MSFT | Microsoft CORP | +1.1% | -0.25% | Trim |
| 3 | AMD | Advanced Micro Devices | +0.2% | NEW | New buy |
| 4 | DHT | DHT Holdings, Inc. | +0.2% | +2.76% | Add |
| 5 | TMO | Thermo Fisher Scientific Inc | +0.2% | — | Unchanged |
| 6 | DELL | Dell Technologies -c | +0.2% | NEW | New buy |
| 7 | SPY | Ss Spdr S&p 500 ETF Trust-us | +0.2% | -0.64% | Trim |
| 8 | CVX | Chevron CORP | +0.2% | — | Unchanged |
| 9 | NVDA | Nvidia CORP | +0.2% | +0.54% | Add |
| 10 | HOOD | Robinhood Markets Inc - A | +0.1% | -0.98% | Trim |
| 11 | CTAS | Cintas CORP | +0.1% | -0.79% | Trim |
| 12 | SIMO | Silicon Motion Technol-adr | +0.1% | NEW | New buy |
| 13 | AMGN | Amgen Inc | +0.1% | — | Unchanged |
| 14 | QQQM | Invesco Nasdaq 100 ETF | +0.1% | NEW | New buy |
| 15 | MRK | Merck & Co. Inc. | +0.1% | — | Unchanged |
| 16 | TD | Toronto-dominion Bank | +0.1% | +74.54% | Add |
| 17 | BTC | Grayscale Bitcoin Mini ETF | +0.1% | — | Unchanged |
| 18 | BLK | Blackrock Inc | +0.1% | -1.74% | Trim |
| 19 | ANET | Arista Networks Inc | +0.1% | — | Unchanged |
| 20 | V | Visa Inc-class A Shares | 0% | -1.64% | Trim |
| 21 | IWY | Ishares Russell Top 200 Grow | 0% | +4.67% | Add |
| 22 | MFC | Manulife Financial CORP | 0% | -0.53% | Trim |
| 23 | XLE | Ss Energy Select Sector | 0% | -1.44% | Trim |
| 24 | JPM | Jpmorgan Chase & Co | 0% | -0.27% | Trim |
| 25 | VRTX | Vertex Pharmaceuticals Inc | 0% | -0.40% | Trim |
| 26 | BNY | Bank Of New York Mellon CORP | 0% | +2.63% | Add |
| 27 | OEF | Ishares S&p 100 ETF | 0% | +5.82% | Add |
| 28 | XLG | Invesco S&p 500 Top 50 ETF | 0% | +5.58% | Add |
| 29 | ABBV | Abbvie Inc | 0% | — | Unchanged |
| 30 | TRV | Travelers Cos Inc/the | 0% | — | Unchanged |
| 31 | AMZN | Amazon.com Inc | 0% | +1.20% | Add |
| 32 | IUSG | Ishares Core S&p U.s. Growth | 0% | — | Unchanged |
| 33 | PAGP | Plains Gp Holdings Lp-cl A | 0% | — | Unchanged |
| 34 | GLD | Spdr Gold Shares | 0% | -1.80% | Trim |
| 35 | FNDX | Schwab Fndmntl US Lrg Co ETF | 0% | +4.59% | Add |
| 36 | COR | Cencora Inc | 0% | -3.05% | Trim |
| 37 | FOXA | Fox CORP - Class A | 0% | -9.63% | Trim |
| 38 | KO | Coca-cola Co/the | 0% | -1.14% | Trim |
| 39 | SCHX | Schwab US Large-cap ETF | 0% | -0.61% | Trim |
| 40 | IVV | Ishares Core S&p 500 ETF | 0% | +0.22% | Add |
| 41 | MGV | Vanguard Mega Cap Value ETF | — | +6.18% | Add |
| 42 | VOO | Vanguard S&p 500 ETF | — | — | Unchanged |
| 43 | FTI | TechnipFMC plc | — | — | Unchanged |
| 44 | IWR | Ishares Russell Mid-cap ETF | — | -0.10% | Trim |
| 45 | RTH | Vaneck Retail ETF | — | — | Unchanged |
| 46 | WES | Western Midstream Partners L | — | — | Unchanged |
| 47 | QQQ | Invesco Qqq Trust Series 1 | — | — | Unchanged |
| 48 | DEW | Wisdomtree Global High Divid | — | — | Unchanged |
| 49 | MPLX | Mplx LP | — | — | Unchanged |
| 50 | SDY | Ss Spdr S&p Dividend ETF | 0% | +0.20% | Add |
1–50 of 103
Filing History
FAQ
What is Westco Advisory Services Inc /adv and what type of investor is it?
Westco Advisory Services Inc /adv is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-09-30), the firm manages a tracked equity portfolio valued at approximately $166.5M, spread across 98 disclosed positions.
What are Westco Advisory Services Inc /adv's largest equity positions?
Based on the latest 13F filing, Westco Advisory Services Inc /adv's top holdings by market value are:
1. Ss Spdr S&p 500 ETF Trust-us (SPY) — $28.1M (16.9%)
2. Apple Inc (AAPL) — $19.3M (11.6%)
3. Goldman Sachs Group Inc (GS) — $13.8M (8.3%)
4. Jpmorgan Chase & Co (JPM) — $9.6M (5.8%)
5. Seagate Technology Holdings plc (STX) — $7.4M (4.4%)
What changes did Westco Advisory Services Inc /adv make in its most recent portfolio filing?
In the latest reported quarter, Westco Advisory Services Inc /adv made 68 notable position adjustments: 4 new positions were initiated, 18 existing holdings were added to, 41 positions were partially reduced, and 5 were completely exited. The largest of these moves: Sold out: Mcdonald's CORP (MCD); Sold out: Modine Manufacturing Co (MOD); New buy: Advanced Micro Devices (AMD); New buy: Dell Technologies -c (DELL); Sold out: Applovin Corp-class A (APP)
What sectors does Westco Advisory Services Inc /adv focus on?
Westco Advisory Services Inc /adv is concentrated in the following sectors based on its current disclosed equity portfolio:
• Information Technology: 38.1%
• Financials: 33.3%
• Health Care: 8.0%
• Industrials: 7.8%
• Energy: 3.8%
• Communication Services: 3.0%
Investment Profile
Westco Advisory Services Inc /adv returned an annualized 19.6% over the trailing 8 months — underperforming the S&P 500 by 0.3 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 0.99 (roughly in line with the market) and a 63% quarterly batting average against the index.
Its portfolio is broadly diversified and long-term-holding, with 38.1% of the portfolio concentrated in Information Technology.
It has added to its AAPL position over the past two quarters (+$4.0M, now $19.3M), while trimming ROL over the same stretch (-$506.0K, still holding $371.6K).
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Developer Access
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