Peter F. Mathieson

Guyasuta Investment Advisors as of Dec. 31, 2025

Portfolio Holdings for Guyasuta Investment Advisors

Guyasuta Investment Advisors holds 264 positions in its portfolio as reported in the December 2025 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Microsoft Corporation (MSFT) 7.2 $126M 261k 483.62
Alphabet Cap Stk Cl C (GOOG) 6.8 $119M 378k 313.80
Berkshire Hathaway Inc Del Cl B New (BRK.B) 5.0 $89M 176k 502.65
Mastercard Incorporated Cl A (MA) 4.8 $85M 149k 570.88
Republic Services (RSG) 4.2 $73M 345k 211.93
Vistra Energy (VST) 4.1 $72M 448k 161.33
Thermo Fisher Scientific (TMO) 3.8 $66M 114k 579.45
Te Connectivity Ord Shs (TEL) 3.8 $66M 290k 227.51
PNC Financial Services (PNC) 3.0 $53M 253k 208.73
Lowe's Companies (LOW) 2.4 $43M 178k 241.16
Chevron Corporation (CVX) 2.3 $40M 265k 152.41
Linde SHS (LIN) 2.3 $40M 93k 426.39
Taiwan Semiconductor Mfg Sponsored Ads (TSM) 2.1 $36M 119k 303.89
Amazon (AMZN) 1.9 $33M 145k 230.82
Becton, Dickinson and (BDX) 1.9 $33M 168k 194.07
McDonald's Corporation (MCD) 1.9 $33M 106k 305.63
Quanta Services (PWR) 1.7 $31M 73k 422.06
Asml Holding N V N Y Registry Shs (ASML) 1.7 $30M 28k 1069.86
Applied Materials (AMAT) 1.7 $30M 115k 256.99
WESCO International (WCC) 1.6 $28M 113k 244.64
Texas Instruments Incorporated (TXN) 1.4 $25M 146k 173.49
Apple (AAPL) 1.4 $25M 91k 271.86
NVIDIA Corporation (NVDA) 1.4 $24M 130k 186.50
Johnson & Johnson (JNJ) 1.2 $22M 104k 206.95
AmerisourceBergen (COR) 1.1 $20M 60k 337.75
Eagle Materials (EXP) 1.1 $20M 95k 206.68
Meta Platforms Cl A (META) 1.1 $19M 28k 660.09
Ferguson Enterprises Common Stock New (FERG) 1.0 $18M 82k 222.63
Netflix (NFLX) 1.0 $18M 188k 93.76
Vulcan Materials Company (VMC) 0.9 $15M 53k 285.22
Pepsi (PEP) 0.9 $15M 104k 143.52
International Business Machines (IBM) 0.8 $14M 47k 296.21
Wal-Mart Stores (WMT) 0.7 $13M 118k 111.41
Automatic Data Processing (ADP) 0.7 $13M 51k 257.23
Procter & Gamble Company (PG) 0.7 $13M 90k 143.31
Exxon Mobil Corporation (XOM) 0.7 $12M 103k 120.34
Emerson Electric (EMR) 0.6 $11M 79k 132.72
JPMorgan Chase & Co. (JPM) 0.6 $11M 33k 322.22
Alphabet Cap Stk Cl A (GOOGL) 0.5 $9.4M 30k 313.00
Coca-Cola Company (KO) 0.5 $9.4M 135k 69.91
Caterpillar (CAT) 0.5 $9.1M 16k 572.87
Home Depot (HD) 0.4 $7.4M 22k 344.10
Celestica (CLS) 0.4 $7.4M 25k 295.61
Vanguard Index Fds Total Stk Mkt (VTI) 0.4 $7.1M 21k 335.28
Merck & Co (MRK) 0.4 $7.0M 67k 105.26
Spdr S&p 500 Etf Tr Tr Unit (SPY) 0.4 $6.8M 10k 681.93
Ishares Tr Core S&p500 Etf (IVV) 0.4 $6.5M 9.4k 684.94
Abbvie (ABBV) 0.4 $6.4M 28k 228.49
Unilever Spon Adr New (UL) 0.3 $5.9M 90k 65.40
Vanguard Scottsdale Fds Shrt Trm Corp Bd (VCSH) 0.3 $5.8M 73k 79.73
Packaging Corporation of America (PKG) 0.3 $5.7M 28k 206.23
Berkshire Hathaway Inc Del Cl A (BRK.A) 0.3 $5.3M 7.00 754800.00
PPG Industries (PPG) 0.3 $5.2M 51k 102.46
Ge Aerospace Com New (GE) 0.3 $4.9M 16k 308.03
Broadcom (AVGO) 0.3 $4.9M 14k 346.10
Philip Morris International (PM) 0.3 $4.6M 29k 160.40
Ishares Tr Rus 1000 Etf (IWB) 0.3 $4.5M 12k 373.44
Parker-Hannifin Corporation (PH) 0.3 $4.4M 5.0k 878.96
Vanguard Index Fds Growth Etf (VUG) 0.2 $3.9M 7.9k 487.86
L3harris Technologies (LHX) 0.2 $3.7M 13k 293.57
Vanguard Whitehall Fds High Div Yld (VYM) 0.2 $3.7M 26k 143.52
Colgate-Palmolive Company (CL) 0.2 $3.6M 46k 79.02
Raytheon Technologies Corp (RTX) 0.2 $3.5M 19k 183.40
Abbott Laboratories (ABT) 0.2 $3.4M 28k 125.29
Rockwell Automation (ROK) 0.2 $3.4M 8.6k 389.07
Waste Management (WM) 0.2 $3.3M 15k 219.71
Comcast Corp Cl A (CMCSA) 0.2 $3.3M 110k 29.89
Pfizer (PFE) 0.2 $3.2M 128k 24.90
United Parcel Service CL B (UPS) 0.2 $3.2M 32k 99.19
Schwab Strategic Tr Us Dividend Eq (SCHD) 0.2 $3.1M 114k 27.43
Union Pacific Corporation (UNP) 0.2 $3.0M 13k 231.32
Deere & Company (DE) 0.2 $2.8M 6.1k 465.53
Applied Industrial Technologies (AIT) 0.2 $2.7M 10k 256.77
Eli Lilly & Co. (LLY) 0.2 $2.7M 2.5k 1074.68
Lam Research Corp Com New (LRCX) 0.1 $2.5M 15k 171.18
Bristol Myers Squibb (BMY) 0.1 $2.5M 46k 53.94
Bank of New York Mellon Corporation (BK) 0.1 $2.5M 21k 116.09
Ge Vernova (GEV) 0.1 $2.4M 3.7k 653.57
Invesco Exchange Traded Fd T S&p500 Eql Wgt (RSP) 0.1 $2.3M 12k 191.55
Lockheed Martin Corporation (LMT) 0.1 $2.3M 4.7k 483.67
Goldman Sachs Etf Tr Acces Treasury (GBIL) 0.1 $2.2M 22k 99.94
Tesla Motors (TSLA) 0.1 $2.2M 4.9k 449.72
Boeing Company (BA) 0.1 $2.2M 9.9k 217.12
Honeywell International (HON) 0.1 $2.1M 11k 195.09
Costco Wholesale Corporation (COST) 0.1 $2.0M 2.4k 862.42
Chubb (CB) 0.1 $2.0M 6.5k 312.12
Trane Technologies SHS (TT) 0.1 $2.0M 5.2k 389.20
S&p Global (SPGI) 0.1 $2.0M 3.8k 522.59
RPM International (RPM) 0.1 $1.9M 19k 104.00
Micron Technology (MU) 0.1 $1.9M 6.7k 285.41
Visa Com Cl A (V) 0.1 $1.9M 5.4k 350.71
Invesco Qqq Tr Unit Ser 1 (QQQ) 0.1 $1.8M 3.0k 614.34
Watts Water Technologies Cl A (WTS) 0.1 $1.8M 6.7k 276.02
IDEX Corporation (IEX) 0.1 $1.7M 9.5k 177.94
Verizon Communications (VZ) 0.1 $1.7M 41k 40.73
Dell Technologies CL C (DELL) 0.1 $1.6M 13k 125.88
Doordash Cl A (DASH) 0.1 $1.6M 7.2k 226.48
Cummins (CMI) 0.1 $1.6M 3.2k 510.45
Vanguard Index Fds S&p 500 Etf Shs (VOO) 0.1 $1.6M 2.5k 627.17
Hillenbrand (HI) 0.1 $1.6M 50k 31.72
Kimberly-Clark Corporation (KMB) 0.1 $1.6M 16k 100.89
Garrett Motion (GTX) 0.1 $1.6M 89k 17.43
Prologis (PLD) 0.1 $1.5M 12k 127.66
Travelers Companies (TRV) 0.1 $1.5M 5.2k 290.06
Vaneck Etf Trust Gold Miners Etf (GDX) 0.1 $1.5M 17k 85.77
Novartis Sponsored Adr (NVS) 0.1 $1.5M 11k 137.87
General Dynamics Corporation (GD) 0.1 $1.4M 4.2k 336.66
Advanced Micro Devices (AMD) 0.1 $1.4M 6.6k 214.16
Ishares Tr Russell 2000 Etf (IWM) 0.1 $1.4M 5.7k 246.16
Lincoln National Corporation (LNC) 0.1 $1.3M 30k 44.53
Howmet Aerospace (HWM) 0.1 $1.2M 6.1k 205.02
Amgen (AMGN) 0.1 $1.2M 3.8k 327.35
3M Company (MMM) 0.1 $1.2M 7.6k 160.11
Phillips 66 (PSX) 0.1 $1.1M 8.9k 129.04
Keysight Technologies (KEYS) 0.1 $1.1M 5.6k 203.19
Eaton Corp SHS (ETN) 0.1 $1.1M 3.5k 318.51
ConocoPhillips (COP) 0.1 $1.1M 12k 93.61
Norfolk Southern (NSC) 0.1 $1.1M 3.8k 288.73
Arthur J. Gallagher & Co. (AJG) 0.1 $1.1M 4.3k 258.79
Target Corporation (TGT) 0.1 $1.1M 11k 97.75
SYSCO Corporation (SYY) 0.1 $1.0M 14k 73.69
At&t (T) 0.1 $970k 39k 24.84
Mettler-Toledo International (MTD) 0.1 $966k 693.00 1394.19
Illinois Tool Works (ITW) 0.1 $962k 3.9k 246.30
Vanguard Index Fds Mid Cap Etf (VO) 0.1 $945k 3.3k 290.26
Apollo Global Mgmt (APO) 0.1 $932k 6.4k 144.76
Palantir Technologies Cl A (PLTR) 0.1 $907k 5.1k 177.75
Expedia Group Com New (EXPE) 0.1 $895k 3.2k 283.32
Air Products & Chemicals (APD) 0.1 $894k 3.6k 247.02
SYNNEX Corporation (SNX) 0.1 $889k 5.9k 150.23
CRH Ord (CRH) 0.0 $856k 6.9k 124.80
H.B. Fuller Company (FUL) 0.0 $855k 14k 59.46
Vanguard Instl Index Ultra-short Trea (VGUS) 0.0 $837k 11k 75.47
Vanguard Index Fds Small Cp Etf (VB) 0.0 $825k 3.2k 257.92
Spdr Series Trust State Street Spd (SDY) 0.0 $802k 5.8k 139.16
Equifax (EFX) 0.0 $781k 3.6k 216.98
Ishares Tr S&p 500 Grwt Etf (IVW) 0.0 $779k 6.3k 123.25
Ciena Corp Com New (CIEN) 0.0 $775k 3.3k 233.87
Synopsys (SNPS) 0.0 $768k 1.6k 469.72
Bank of America Corporation (BAC) 0.0 $754k 14k 55.00
TJX Companies (TJX) 0.0 $750k 4.9k 153.61
Guardant Health (GH) 0.0 $715k 7.0k 102.14
Mondelez Intl Cl A (MDLZ) 0.0 $713k 13k 53.83
Palo Alto Networks (PANW) 0.0 $710k 3.9k 184.20
Intel Corporation (INTC) 0.0 $707k 19k 36.90
General Mills (GIS) 0.0 $704k 15k 46.50
Blackstone Group Inc Com Cl A (BX) 0.0 $694k 4.5k 154.14
Cisco Systems (CSCO) 0.0 $669k 8.7k 77.03
Ishares Tr Core S&p Mcp Etf (IJH) 0.0 $663k 10k 66.00
Ark Etf Tr Innovation Etf (ARKK) 0.0 $662k 8.6k 76.92
Northrop Grumman Corporation (NOC) 0.0 $662k 1.2k 570.21
Aptar (ATR) 0.0 $661k 5.4k 121.96
Duke Energy Corp Com New (DUK) 0.0 $655k 5.6k 117.21
CSX Corporation (CSX) 0.0 $620k 17k 36.25
Danaher Corporation (DHR) 0.0 $617k 2.7k 228.92
Stryker Corporation (SYK) 0.0 $614k 1.7k 351.47
CECO Environmental (CECO) 0.0 $599k 10k 59.85
Vanguard World Industrial Etf (VIS) 0.0 $589k 2.0k 298.38
Paychex (PAYX) 0.0 $579k 5.2k 112.18
Intuitive Surgical Com New (ISRG) 0.0 $562k 993.00 566.36
Select Sector Spdr Tr State Street Tec (XLK) 0.0 $559k 3.9k 143.99
Spdr Gold Tr Gold Shs (GLD) 0.0 $557k 1.4k 396.31
Blackrock (BLK) 0.0 $542k 506.00 1070.10
Select Sector Spdr Tr State Street Fin (XLF) 0.0 $540k 9.9k 54.77
Weyerhaeuser Co Mtn Be Com New (WY) 0.0 $537k 23k 23.69
Booking Holdings (BKNG) 0.0 $536k 100.00 5355.33
Spdr S&p Midcap 400 Etf Tr Utser1 S&pdcrp (MDY) 0.0 $530k 879.00 602.98
Zoetis Cl A (ZTS) 0.0 $530k 4.2k 125.82
PG&E Corporation (PCG) 0.0 $522k 33k 16.07
Intercontinental Exchange (ICE) 0.0 $519k 3.2k 161.95
Ishares Tr Core S&p Scp Etf (IJR) 0.0 $512k 4.3k 120.19
Vaneck Etf Trust Semiconductr Etf (SMH) 0.0 $504k 1.4k 360.13
Allegion Ord Shs (ALLE) 0.0 $493k 3.1k 159.22
Vanguard World Energy Etf (VDE) 0.0 $471k 3.7k 125.92
Cnh Indl N V SHS (CNH) 0.0 $461k 50k 9.22
Nextera Energy (NEE) 0.0 $443k 5.5k 80.28
Ishares Tr Us Oil Gs Ex Etf (IEO) 0.0 $437k 4.9k 89.26
Novo-nordisk A S Adr (NVO) 0.0 $434k 8.5k 50.88
Graphic Packaging Holding Company (GPK) 0.0 $433k 29k 15.06
West Pharmaceutical Services (WST) 0.0 $429k 1.6k 275.14
Ishares Tr S&p 500 Val Etf (IVE) 0.0 $421k 2.0k 212.07
Schwab Strategic Tr Us Lrg Cap Etf (SCHX) 0.0 $421k 16k 26.91
MasTec (MTZ) 0.0 $420k 1.9k 217.37
Vanguard Intl Equity Index F Ftse Emr Mkt Etf (VWO) 0.0 $414k 7.7k 53.76
Suncor Energy (SU) 0.0 $409k 9.2k 44.36
Marathon Petroleum Corp (MPC) 0.0 $408k 2.5k 162.63
American Express Company (AXP) 0.0 $398k 1.1k 369.95
ResMed (RMD) 0.0 $398k 1.7k 240.88
Ishares Tr Us Aer Def Etf (ITA) 0.0 $397k 1.9k 214.69
Motorola Solutions Com New (MSI) 0.0 $394k 1.0k 383.29
Kla Corp Com New (KLAC) 0.0 $394k 324.00 1215.08
Moody's Corporation (MCO) 0.0 $385k 753.00 510.85
Analog Devices (ADI) 0.0 $383k 1.4k 271.20
Ishares Tr Rus 1000 Grw Etf (IWF) 0.0 $382k 807.00 473.30
Welltower Inc Com reit (WELL) 0.0 $376k 2.0k 185.62
Citigroup Com New (C) 0.0 $376k 3.2k 116.69
Tc Energy Corp (TRP) 0.0 $374k 6.8k 55.01
Walt Disney Company (DIS) 0.0 $368k 3.2k 113.77
Ge Healthcare Technologies I Common Stock (GEHC) 0.0 $367k 4.5k 82.02
Zimmer Holdings (ZBH) 0.0 $366k 4.1k 89.92
Kkr & Co (KKR) 0.0 $364k 2.9k 127.48
BorgWarner (BWA) 0.0 $361k 8.0k 45.06
Starbucks Corporation (SBUX) 0.0 $358k 4.3k 84.21
Vanguard Star Fds Vg Tl Intl Stk F (VXUS) 0.0 $358k 4.7k 75.44
Jabil Circuit (JBL) 0.0 $358k 1.6k 228.02
Ingersoll Rand (IR) 0.0 $356k 4.5k 79.22
Xylem (XYL) 0.0 $355k 2.6k 136.18
Vanguard Bd Index Fds Total Bnd Mrkt (BND) 0.0 $339k 4.6k 74.07
Medtronic SHS (MDT) 0.0 $335k 3.5k 96.06
Archer Daniels Midland Company (ADM) 0.0 $333k 5.8k 57.49
Kinder Morgan (KMI) 0.0 $333k 12k 27.49
Magnum Ice Cream Co Nv Ord Shs (MICC) 0.0 $322k 20k 15.85
Intuit (INTU) 0.0 $321k 485.00 662.42
Builders FirstSource (BLDR) 0.0 $321k 3.1k 102.89
Dick's Sporting Goods (DKS) 0.0 $320k 1.6k 197.97
Ishares Tr Rus Mid Cap Etf (IWR) 0.0 $318k 3.3k 96.27
Select Sector Spdr Tr State Street Hea (XLV) 0.0 $314k 2.0k 154.81
Wells Fargo & Company (WFC) 0.0 $304k 3.3k 93.21
Middlesex Water Company (MSEX) 0.0 $303k 6.0k 50.42
Ishares Tr Core Msci Pac (IPAC) 0.0 $299k 4.1k 73.21
Nucor Corporation (NUE) 0.0 $294k 1.8k 163.11
J P Morgan Exchange Traded F Nasdaq Eqt Prem (JEPQ) 0.0 $291k 5.0k 58.12
Ishares Tr Core Msci Euro (IEUR) 0.0 $289k 4.1k 70.98
Altria (MO) 0.0 $288k 5.0k 57.66
Valero Energy Corporation (VLO) 0.0 $288k 1.8k 162.82
Renaissance Re Holdings Ltd Cmn (RNR) 0.0 $281k 1.0k 281.16
Halliburton Company (HAL) 0.0 $278k 9.8k 28.26
Ishares Tr Global 100 Etf (IOO) 0.0 $277k 2.2k 126.67
Enterprise Products Partners (EPD) 0.0 $275k 8.6k 32.06
CVS Caremark Corporation (CVS) 0.0 $271k 3.4k 79.35
Public Service Enterprise (PEG) 0.0 $271k 3.4k 80.30
Plexus (PLXS) 0.0 $265k 1.8k 147.00
Spdr Series Trust State Street Spd (SPYM) 0.0 $264k 3.3k 80.23
Ishares Tr Msci Eafe Etf (EFA) 0.0 $262k 2.7k 96.03
Yum! Brands (YUM) 0.0 $254k 1.7k 151.28
Servicenow (NOW) 0.0 $253k 1.7k 153.19
Select Sector Spdr Tr State Street Con (XLP) 0.0 $251k 3.2k 77.68
Vanguard Specialized Funds Div App Etf (VIG) 0.0 $251k 1.1k 219.75
NVR (NVR) 0.0 $248k 34.00 7292.79
Markel Corporation (MKL) 0.0 $247k 115.00 2149.65
Kennametal (KMT) 0.0 $247k 8.7k 28.41
Charles Schwab Corporation (SCHW) 0.0 $247k 2.5k 99.91
Select Sector Spdr Tr State Street Ene (XLE) 0.0 $241k 5.4k 44.71
Vanguard Intl Equity Index F Tt Wrld St Etf (VT) 0.0 $233k 1.7k 141.05
Ss&c Technologies Holding (SSNC) 0.0 $231k 2.6k 87.42
GSK Sponsored Adr (GSK) 0.0 $229k 4.7k 49.04
Goldman Sachs (GS) 0.0 $226k 257.00 879.00
Evergy (EVRG) 0.0 $226k 3.1k 72.49
Omni (OMC) 0.0 $226k 2.8k 80.75
McKesson Corporation (MCK) 0.0 $222k 270.00 820.29
CF Industries Holdings (CF) 0.0 $220k 2.9k 77.34
Energy Transfer Com Ut Ltd Ptn (ET) 0.0 $219k 13k 16.49
Corteva (CTVA) 0.0 $219k 3.3k 67.03
Timken Company (TKR) 0.0 $217k 2.6k 84.13
Microchip Technology (MCHP) 0.0 $217k 3.4k 63.72
Axalta Coating Sys (AXTA) 0.0 $212k 6.6k 32.31
H&R Block (HRB) 0.0 $209k 4.8k 43.58
Federated Hermes CL B (FHI) 0.0 $208k 4.0k 52.07
International Paper Company (IP) 0.0 $208k 5.3k 39.39
Ishares Core Msci Emkt (IEMG) 0.0 $206k 3.1k 67.22
Vanguard Bd Index Fds Short Trm Bond (BSV) 0.0 $206k 2.6k 78.81
Corning Incorporated (GLW) 0.0 $204k 2.3k 87.56
Lear Corp Com New (LEA) 0.0 $203k 1.8k 114.60
Freeport-mcmoran CL B (FCX) 0.0 $202k 4.0k 50.79