Peter F. Mathieson

Guyasuta Investment Advisors as of Sept. 30, 2026

Portfolio Holdings for Guyasuta Investment Advisors

Guyasuta Investment Advisors holds 270 positions in its portfolio as reported in the September 2026 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Microsoft Corporation (MSFT) 6.9 $132M 258k 512.90
Alphabet Cap Stk Cl C (GOOG) 6.3 $121M 354k 340.74
Berkshire Hathaway Inc Del Cl B New (BRK.B) 4.7 $89M 179k 497.95
Mastercard Incorporated Cl A (MA) 4.3 $82M 149k 551.47
Thermo Fisher Scientific (TMO) 4.0 $77M 114k 675.05
Republic Services (RSG) 3.8 $73M 347k 209.87
Te Connectivity Ord Shs (TEL) 3.3 $62M 296k 211.08
PNC Financial Services (PNC) 2.9 $56M 251k 222.26
Taiwan Semiconductor Manufac Sponsored Ads (TSM) 2.8 $54M 117k 456.19
Chevron Corporation (CVX) 2.8 $53M 259k 204.21
Vistra Energy (VST) 2.6 $50M 364k 138.35
Asml Hldg Nv N Y Registry Shs (ASML) 2.4 $45M 25k 1811.67
Quanta Services (PWR) 2.3 $45M 69k 642.51
Applied Materials (AMAT) 2.3 $43M 85k 511.38
Linde SHS (LIN) 2.3 $43M 91k 474.65
Amazon (AMZN) 2.1 $41M 164k 249.15
WESCO International (WCC) 2.0 $39M 107k 359.59
Lowe's Companies (LOW) 1.7 $33M 181k 184.29
Texas Instruments Incorporated (TXN) 1.7 $32M 115k 280.09
NVIDIA Corporation (NVDA) 1.6 $31M 135k 228.38
Apple (AAPL) 1.6 $30M 91k 333.02
Palo Alto Networks (PANW) 1.6 $30M 75k 397.31
Becton, Dickinson and (BDX) 1.4 $28M 154k 179.00
McDonald's Corporation (MCD) 1.4 $27M 115k 230.94
Johnson & Johnson (JNJ) 1.4 $26M 100k 264.74
Meta Platforms Cl A (META) 1.1 $21M 29k 725.17
Ferguson Enterprises Common Stock New (FERG) 1.0 $19M 84k 222.62
Wal-Mart Stores (WMT) 1.0 $19M 178k 103.92
AmerisourceBergen (COR) 0.9 $17M 56k 300.25
Eagle Materials (EXP) 0.9 $17M 98k 171.02
Exxonmobil Holdings Corp Com Shs 0.8 $16M 98k 162.75
Vulcan Materials Company (VMC) 0.7 $14M 58k 244.63
Eli Lilly & Co. (LLY) 0.7 $14M 12k 1157.08
Procter & Gamble Company (PG) 0.7 $13M 88k 145.28
Caterpillar (CAT) 0.7 $13M 16k 810.79
Pepsi (PEP) 0.6 $12M 94k 126.72
Automatic Data Processing (ADP) 0.6 $12M 46k 258.06
Emerson Electric (EMR) 0.6 $12M 76k 155.10
Coca-Cola Company (KO) 0.6 $11M 129k 86.08
JPMorgan Chase & Co. (JPM) 0.5 $10M 31k 330.83
International Business Machines (IBM) 0.5 $9.8M 44k 219.93
Alphabet Cap Stk Cl A (GOOGL) 0.5 $9.8M 28k 344.08
Ulta Salon, Cosmetics & Fragrance (ULTA) 0.5 $9.6M 18k 546.17
Merck & Co (MRK) 0.5 $8.9M 61k 145.31
State Str Spdr S&p 500 Etf T Tr Unit (SPY) 0.4 $8.0M 10k 762.62
Celestica (CLS) 0.4 $7.4M 20k 361.43
Abbvie (ABBV) 0.4 $7.1M 27k 261.59
Ishares Tr Core S&p500 Etf (IVV) 0.4 $7.0M 9.1k 765.84
Micron Technology (MU) 0.4 $6.8M 6.3k 1065.11
Vanguard Index Fds MRNGSTR TTL STK (VTI) 0.4 $6.7M 18k 374.24
Home Depot (HD) 0.3 $5.9M 21k 284.50
Packaging Corporation of America (PKG) 0.3 $5.7M 25k 229.26
Vanguard Scottsdale Fds Shrt Trm Corp Bd (VCSH) 0.3 $5.7M 74k 77.25
Philip Morris International (PM) 0.3 $5.4M 28k 190.82
Berkshire Hathaway Inc Del Cl A (BRK.A) 0.3 $5.2M 7.00 747005.00
PPG Industries (PPG) 0.3 $5.1M 49k 104.33
Ishares Tr Rus 1000 Etf (IWB) 0.3 $5.0M 12k 416.13
Ge Aerospace Com New (GE) 0.3 $4.9M 16k 312.30
Unilever Spon Adr New (UL) 0.2 $4.7M 78k 60.73
Vanguard Index Fds Mrngstr Grwt Etf (VUG) 0.2 $4.6M 52k 90.11
Parker-Hannifin Corporation (PH) 0.2 $4.3M 4.5k 955.42
Broadcom (AVGO) 0.2 $4.3M 12k 351.19
Schwab Strategic Tr Us Dividend Eq (SCHD) 0.2 $4.1M 126k 32.53
Vanguard Whitehall Fds High Div Yld (VYM) 0.2 $4.0M 26k 155.20
Rockwell Automation (ROK) 0.2 $3.8M 8.6k 435.33
Deere & Company (DE) 0.2 $3.6M 5.4k 671.49
Ge Vernova (GEV) 0.2 $3.6M 3.8k 950.49
Colgate-Palmolive Company (CL) 0.2 $3.6M 42k 85.32
Dell Technologies CL C (DELL) 0.2 $3.5M 6.5k 537.92
Union Pacific Corporation (UNP) 0.2 $3.4M 13k 272.13
Ishares Tr Ultra Short Dur (ICSH) 0.2 $3.4M 67k 50.40
Applied Industrial Technologies (AIT) 0.2 $3.3M 10k 332.29
Lam Research Corp Com New (LRCX) 0.2 $3.3M 10k 328.51
Pfizer (PFE) 0.2 $3.2M 113k 28.52
Raytheon Technologies Corp (RTX) 0.2 $3.2M 17k 185.65
Advanced Micro Devices (AMD) 0.2 $3.1M 5.1k 611.76
Vanguard Index Fds S&p 500 Etf Shs (VOO) 0.2 $3.0M 4.3k 700.92
Bank of New York Mellon Corporation (BNY) 0.2 $2.9M 20k 144.63
Bristol Myers Squibb (BMY) 0.2 $2.9M 46k 62.40
Waste Management (WM) 0.1 $2.9M 14k 203.92
L3harris Technologies (LHX) 0.1 $2.6M 11k 236.78
Netflix (NFLX) 0.1 $2.5M 36k 69.58
United Parcel Svcs CL B (UPS) 0.1 $2.3M 25k 93.44
Trane Technologies SHS (TT) 0.1 $2.3M 5.2k 451.98
Invesco Qqq Tr Unit Ser 1 (QQQ) 0.1 $2.3M 3.1k 739.75
Garrett Motion (GTX) 0.1 $2.3M 87k 26.03
Intel Corporation (INTC) 0.1 $2.2M 19k 120.23
Watts Water Technologies Cl A (WTS) 0.1 $2.2M 6.3k 354.18
Vanguard Instl Index Ultr Shor Tr Etf (VGUS) 0.1 $2.2M 29k 75.62
Phillips 66 (PSX) 0.1 $2.2M 8.5k 255.31
Costco Wholesale Corporation (COST) 0.1 $2.1M 2.4k 910.37
Invesco Exchange Traded Fd T S&p500 Eql Wgt (RSP) 0.1 $2.1M 10k 208.01
IDEX Corporation (IEX) 0.1 $2.1M 9.2k 227.98
Abbott Laboratories (ABT) 0.1 $2.0M 21k 98.83
Vanguard Wellington Us Minimum (VFMV) 0.1 $2.0M 14k 141.55
Comcast Corp Cl A (CMCSA) 0.1 $1.9M 89k 21.76
Visa Com Cl A (V) 0.1 $1.9M 5.3k 359.33
Chubb (CB) 0.1 $1.9M 5.7k 325.25
Lockheed Martin Corporation (LMT) 0.1 $1.9M 3.7k 509.25
Travelers Companies (TRV) 0.1 $1.8M 5.2k 356.51
RPM International (RPM) 0.1 $1.8M 18k 98.67
Tesla Motors (TSLA) 0.1 $1.7M 4.8k 354.81
Cummins (CMI) 0.1 $1.6M 3.2k 516.57
Lincoln National Corporation (LNC) 0.1 $1.6M 40k 40.26
Ishares Tr Russell 2000 Etf (IWM) 0.1 $1.6M 5.7k 277.89
Goldman Sachs Etf Tr Acces Treasury (GBIL) 0.1 $1.6M 16k 100.11
Wisdomtree Tr Us Qtly Div Grt (DGRW) 0.1 $1.6M 16k 97.24
Amgen (AMGN) 0.1 $1.6M 3.7k 421.46
Vaneck Etf Trust Gold Miners Etf (GDX) 0.1 $1.5M 17k 87.80
SYNNEX Corporation (SNX) 0.1 $1.5M 5.9k 256.85
ConocoPhillips (COP) 0.1 $1.5M 12k 125.15
Novartis Sponsored Adr (NVS) 0.1 $1.5M 10k 142.57
Boeing Company (BA) 0.1 $1.5M 8.0k 186.05
Verizon Communications (VZ) 0.1 $1.5M 32k 45.87
Prologis (PLD) 0.1 $1.5M 11k 129.84
S&p Global (SPGI) 0.1 $1.4M 3.7k 394.47
Target Corporation (TGT) 0.1 $1.4M 8.9k 156.69
General Dynamics Corporation (GD) 0.1 $1.4M 4.2k 331.83
Howmet Aerospace (HWM) 0.1 $1.4M 6.1k 226.18
Doordash Cl A (DASH) 0.1 $1.3M 7.2k 183.55
Eaton Corp SHS (ETN) 0.1 $1.3M 3.0k 429.71
Guardant Health (GH) 0.1 $1.2M 7.0k 178.36
3M Company (MMM) 0.1 $1.2M 7.4k 164.16
Ishares Tr Core Divid Etf (DIVB) 0.1 $1.2M 19k 64.51
Norfolk Southern (NSC) 0.1 $1.2M 3.8k 309.01
Marathon Petroleum Corp (MPC) 0.1 $1.2M 2.9k 395.42
Vanguard Index Fds Mrngstr Mid Cap (VO) 0.1 $1.1M 14k 78.42
SYSCO Corporation (SYY) 0.1 $1.1M 14k 77.96
Mettler-Toledo International (MTD) 0.1 $1.0M 689.00 1510.95
Palantir Technologies Cl A (PLTR) 0.1 $1.0M 5.5k 187.05
Air Products & Chemicals (APD) 0.1 $1.0M 3.6k 278.23
Illinois Tool Works (ITW) 0.1 $1.0M 3.9k 257.28
Vanguard Index Fds Mrngstr Sml Cap (VB) 0.1 $973k 3.4k 284.48
At&t (T) 0.0 $926k 38k 24.40
Cisco Systems (CSCO) 0.0 $921k 8.6k 107.63
Ishares Tr S&p 500 Grwt Etf (IVW) 0.0 $900k 6.3k 142.25
Ciena Corp Com New (CIEN) 0.0 $867k 2.5k 351.82
Vaneck Etf Trust Semiconductr Etf (SMH) 0.0 $853k 1.4k 609.00
Arthur J. Gallagher & Co. (AJG) 0.0 $851k 3.7k 228.11
Select Sector Spdr Tr St Str Techn Etf (XLK) 0.0 $837k 4.3k 195.74
CSX Corporation (CSX) 0.0 $795k 17k 46.51
Bank of America Corporation (BAC) 0.0 $790k 15k 54.43
Keysight Technologies (KEYS) 0.0 $790k 2.2k 364.04
Ishares Tr Core S&p Mcp Etf (IJH) 0.0 $789k 11k 71.95
Ark Etf Tr Innovation Etf (ARKK) 0.0 $767k 8.6k 89.10
Spdr Gold Tr Gold Shs (GLD) 0.0 $758k 2.0k 380.84
American Centy Etf Tr Us Sml Cp Valu (AVUV) 0.0 $730k 6.2k 117.77
Kimberly-Clark Corporation (KMB) 0.0 $728k 7.5k 97.43
Vanguard Specialized Funds Div App Etf (VIG) 0.0 $724k 3.1k 233.31
Mondelez Intl Cl A (MDLZ) 0.0 $723k 13k 57.82
Synopsys (SNPS) 0.0 $696k 1.6k 434.94
Valero Energy Corporation (VLO) 0.0 $692k 1.8k 387.71
H.B. Fuller Company (FUL) 0.0 $683k 14k 49.47
Schwab Strategic Tr Us Lrg Cap Etf (SCHX) 0.0 $674k 23k 30.00
Space Exploration Techn Corp Class A Com Stk (SPCX) 0.0 $663k 4.4k 150.86
Duke Energy Corp Com New (DUK) 0.0 $652k 5.7k 114.01
TJX Companies (TJX) 0.0 $646k 4.9k 132.31
Ishares Tr Us Oil Gs Ex Etf (IEO) 0.0 $646k 4.9k 132.00
Vanguard World Energy Etf (VDE) 0.0 $644k 3.7k 172.16
Honeywell International (HON) 0.0 $642k 3.0k 210.91
Honeywell Aerospace (HONA) 0.0 $638k 4.1k 154.95
Vanguard World Industrial Etf (VIS) 0.0 $632k 2.0k 320.51
Suncor Energy (SU) 0.0 $626k 9.2k 67.87
Aptar (ATR) 0.0 $620k 5.1k 121.16
CECO Environmental (CECO) 0.0 $609k 8.8k 69.64
Ishares Tr Core S&p Scp Etf (IJR) 0.0 $603k 4.4k 136.05
Select Sector Spdr Tr St Str Finl Etf (XLF) 0.0 $588k 11k 53.40
West Pharmaceutical Services (WST) 0.0 $578k 1.6k 370.76
American Centy Etf Tr Intl Smcp Vlu (AVDV) 0.0 $568k 5.2k 109.38
Northrop Grumman Corporation (NOC) 0.0 $561k 1.2k 483.48
Analog Devices (ADI) 0.0 $561k 1.4k 396.71
Kla Corp Com New (KLAC) 0.0 $550k 2.8k 194.93
Blackrock (BLK) 0.0 $542k 512.00 1058.05
Ishares Tr National Mun Etf (MUB) 0.0 $534k 5.3k 101.11
General Mills (GIS) 0.0 $533k 17k 32.16
American Centy Etf Tr Avan Us Valu Etf (AVMV) 0.0 $526k 6.9k 76.33
Apollo Global Mgmt (APO) 0.0 $510k 4.4k 116.06
Paychex (PAYX) 0.0 $509k 5.2k 98.50
Vanguard Intl Equity Index F Ftse Emr Mkt Etf (VWO) 0.0 $495k 8.3k 59.31
Equifax (EFX) 0.0 $494k 3.6k 137.24
Ishares Tr S&p 500 Val Etf (IVE) 0.0 $482k 2.1k 228.28
Allegion Ord Shs (ALLE) 0.0 $476k 3.1k 153.77
Citigroup Com New (C) 0.0 $470k 3.6k 129.50
Plexus (PLXS) 0.0 $470k 1.8k 260.95
Welltower Inc Com reit (WELL) 0.0 $466k 2.0k 230.25
Waters Corporation (WAT) 0.0 $461k 1.1k 439.39
Archer Daniels Midland Company (ADM) 0.0 $460k 5.8k 79.38
CRH Ord (CRH) 0.0 $460k 5.6k 82.80
Motorola Solutions Com New (MSI) 0.0 $460k 1.0k 445.83
Nucor Corporation (NUE) 0.0 $421k 1.8k 233.75
Ishares Tr Core Msci Pac (IPAC) 0.0 $416k 4.9k 85.11
Stryker Corporation (SYK) 0.0 $413k 1.5k 275.39
MasTec (MTZ) 0.0 $412k 1.9k 213.62
Nextera Energy (NEE) 0.0 $410k 5.4k 75.74
Booking Holdings (BKNG) 0.0 $407k 2.5k 162.91
Jabil Circuit (JBL) 0.0 $403k 1.4k 286.86
Ishares Tr Rus 1000 Grw Etf (IWF) 0.0 $399k 3.2k 125.26
Vanguard Star Fds Vg Tl Intl Stk F (VXUS) 0.0 $395k 4.6k 84.95
Crowdstrike Hldgs Cl A (CRWD) 0.0 $394k 1.5k 264.75
Tc Energy Corp (TRP) 0.0 $393k 6.8k 57.78
Intuitive Surgical Com New (ISRG) 0.0 $387k 952.00 406.63
Ishares Tr Us Aer Def Etf (ITA) 0.0 $383k 1.9k 207.18
Starbucks Corporation (SBUX) 0.0 $377k 4.0k 93.96
State Str Spdr S&p Midcap 40 Utser1 S&pdcrp (MDY) 0.0 $372k 567.00 656.52
Select Sector Spdr Tr St Str Care Etf (XLV) 0.0 $369k 2.2k 168.40
ResMed (RMD) 0.0 $368k 1.7k 221.09
Kinder Morgan (KMI) 0.0 $365k 12k 30.15
Cnh Indl N V SHS (CNH) 0.0 $365k 28k 12.85
Select Sector Spdr Tr St Str Energ Etf (XLE) 0.0 $361k 5.9k 61.50
Ishares Tr Core Msci Euro (IEUR) 0.0 $360k 4.9k 73.70
Weyerhaeuser Com New (WY) 0.0 $358k 19k 19.05
Ishares Tr Rus Mid Cap Etf (IWR) 0.0 $352k 3.3k 106.71
Zimmer Holdings (ZBH) 0.0 $351k 4.0k 88.83
Vanguard Bd Index Fds Short Trm Bond (BSV) 0.0 $345k 4.5k 76.40
Blackstone Group Inc Com Cl A (BX) 0.0 $342k 3.0k 112.09
Walt Disney Company (DIS) 0.0 $341k 3.2k 104.91
Corning Incorporated (GLW) 0.0 $339k 2.2k 153.76
Ingersoll Rand (IR) 0.0 $338k 4.5k 75.11
Ishares Core Msci Emkt (IEMG) 0.0 $336k 4.1k 81.16
American Express Company (AXP) 0.0 $334k 1.1k 304.10
CF Industries Holdings (CF) 0.0 $328k 2.9k 115.20
Qnity Electronics Common Stock (Q) 0.0 $325k 2.6k 125.74
Vanguard Scottsdale Fds Int-term Corp (VCIT) 0.0 $324k 4.1k 78.31
Middlesex Water Company (MSEX) 0.0 $318k 6.0k 52.97
Ishares Tr Global 100 Etf (IOO) 0.0 $315k 2.2k 144.01
Halliburton Company (HAL) 0.0 $313k 9.8k 31.80
Moody's Corporation (MCO) 0.0 $312k 686.00 454.13
Enterprise Products Partners (EPD) 0.0 $308k 8.7k 35.61
J P Morgan Exchange Traded F Nasdaq Eqt Prem (JEPQ) 0.0 $306k 5.0k 61.26
Altria (MO) 0.0 $293k 4.4k 67.34
Freeport Mcmoran CL B (FCX) 0.0 $287k 4.1k 70.00
Ishares Tr Msci Eafe Etf (EFA) 0.0 $287k 2.8k 103.89
Expedia Group Com New (EXPE) 0.0 $285k 1.1k 263.47
Spdr Series Trust St Str P500etf (SPYM) 0.0 $285k 3.2k 89.77
Select Sector Spdr Tr St Str Stapl Etf (XLP) 0.0 $282k 3.5k 80.59
Ge Healthcare Technologies I Common Stock (GEHC) 0.0 $282k 4.3k 65.37
CVS Caremark Corporation (CVS) 0.0 $280k 3.3k 85.69
Timken Company (TKR) 0.0 $274k 2.4k 116.75
Ishares Tr Core Us Aggbd Et (AGG) 0.0 $271k 2.9k 94.54
Wells Fargo & Company (WFC) 0.0 $270k 3.4k 80.05
Kennametal (KMT) 0.0 $267k 8.7k 30.74
Energy Transfer Com Ut Ltd Ptn (ET) 0.0 $266k 14k 19.77
Microchip Technology (MCHP) 0.0 $264k 3.4k 77.77
Xylem (XYL) 0.0 $264k 2.6k 101.27
Charles Schwab Corporation (SCHW) 0.0 $261k 2.7k 97.74
Allegheny Technologies Incorporated (ATI) 0.0 $256k 1.4k 189.40
Vanguard Intl Equity Index F Tt Wrld St Etf (VT) 0.0 $253k 1.6k 157.83
Corteva (CTVA) 0.0 $253k 3.3k 77.65
Goldman Sachs (GS) 0.0 $253k 281.00 900.74
Kkr & Co (KKR) 0.0 $243k 2.7k 91.30
Invesco Exchange Traded Fd T S&p Mdcp Quality (XMHQ) 0.0 $235k 2.1k 111.65
Hewlett Packard Enterprise (HPE) 0.0 $235k 3.7k 63.89
McKesson Corporation (MCK) 0.0 $231k 270.00 853.81
Yum! Brands (YUM) 0.0 $229k 1.7k 136.34
Vanguard Mun Bd Fds Tax Exempt Bd (VTEB) 0.0 $228k 4.8k 47.36
Shell Spon Ads (SHEL) 0.0 $228k 2.4k 95.05
Federated Hermes CL B (FHI) 0.0 $226k 4.0k 56.37
Public Service Enterprise (PEG) 0.0 $225k 3.3k 67.34
Servicenow (NOW) 0.0 $220k 1.6k 134.01
Vanguard Bd Index Fds Total Bnd Mrkt (BND) 0.0 $218k 3.1k 70.15
Danaher Corporation (DHR) 0.0 $217k 980.00 221.55
Global X Fds Cybrscurty Etf (BUG) 0.0 $217k 4.7k 46.18
Evergy (EVRG) 0.0 $215k 2.7k 78.44
Axalta Coating Sys (AXTA) 0.0 $211k 6.6k 32.16
Arista Networks Com Shs (ANET) 0.0 $209k 1.0k 203.59
American Centy Etf Tr Avantis Emgmkt (AVEM) 0.0 $207k 2.2k 94.02
Omni (OMC) 0.0 $206k 2.8k 73.63
Ss&c Technologies Holding (SSNC) 0.0 $204k 2.6k 77.07
GSK Sponsored Adr (GSK) 0.0 $203k 4.2k 48.17
Ishares Tr 0-5yr Invt Gr Cp (SLQD) 0.0 $203k 2.0k 100.68