Guyasuta Investment Advisors Inc.

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed January 23, 2026), Guyasuta Investment Advisors Inc. reported 264 stock positions worth $1.8 billion. Its top holding was Microsoft (MSFT) at 7.2% of the portfolio, followed by Alphabet Class C (GOOG, 6.8%) and Berkshire Hathaway Class B (BRK.B, 5.0%). Compared with Q3 2025, it opened 17 new positions, sold out of 15, added to 73 and reduced 80. The biggest buy was Walmart (WMT, shares +1331%) and the biggest sale an exit from Fiserv (FISV).

Most Recent 13F
Q2 2026
Location
PITTSBURGH, PA
CIK
0000928568
Portfolio Value
$1.8B (Q4 2025)
SEC Filing
0000928568-26-000001 ↗ filed Jan 23, 2026

Holdings Value

0$500.0M$1.0B$1.5B$2.0B Q1 2024: $1.4B Q1 2024 Q2 2024: $1.4B Q2 2024 Q3 2024: $1.6B Q3 2024 Q4 2024: $1.6B Q4 2024 Q1 2025: $1.5B Q1 2025 Q2 2025: $1.6B Q2 2025 Q3 2025: $1.7B Q3 2025 Q4 2025: $1.8B $1.8B Q4 2025 Q1 2026: $1.7B Q1 2026 Q2 2026: $1.9B Q2 2026

Holdings 264 stocks · $1.8B

MSFT Microsoft Corp. 7.18% 260,516 $126.0M Add +0.0%
GOOG Alphabet Inc. Class C 6.76% 377,567 $118.5M Reduce -3.1%
BRK.B Berkshire Hathaway Inc. Class B 5.05% 176,153 $88.5M Reduce -0.4%
MA Mastercard Inc. Class A 4.84% 148,708 $84.9M Add +0.8%
RSG Republic Services Inc. 4.16% 344,535 $73.0M Add +2.0%
VST Vistra Corp. 4.12% 448,174 $72.3M Reduce -2.6%
TMO Thermo Fisher Scientific Inc. 3.77% 113,998 $66.1M Add +2.3%
TEL Te Connectivity PLC 3.76% 289,522 $65.9M Reduce -1.7%
PNC PNC Financial Services Group 3.01% 252,914 $52.8M Add +1.3%
LOW Lowe's Cos Inc. 2.45% 178,142 $43.0M Add +2.1%
CVX Chevron Corp. 2.30% 264,553 $40.3M Add +0.8%
LIN Linde PLC 2.26% 92,816 $39.6M Add +1.6%
TSM Taiwan Semiconductor-SP ADR 2.06% 119,140 $36.2M Add +36.6%
AMZN Amazon.com Inc. 1.90% 144,540 $33.4M Add +1.5%
BDX Becton Dickinson and Co. 1.86% 168,031 $32.6M Reduce -4.9%
MCD McDonald's Corp. 1.85% 106,270 $32.5M Add +0.6%
PWR Quanta Services Inc. 1.75% 72,646 $30.7M Reduce -1.1%
ASML ASML Holding NV-NY Reg SHS 1.70% 27,810 $29.8M Reduce -0.6%
AMAT Applied Materials Inc. 1.69% 115,402 $29.7M Reduce -0.5%
WCC Wesco International Inc. 1.57% 112,487 $27.5M Reduce -1.6%
TXN Texas Instruments Inc. 1.44% 145,807 $25.3M Add +0.8%
AAPL Apple Inc. 1.42% 91,395 $24.8M Add +1.0%
NVDA Nvidia Corp. 1.38% 129,519 $24.2M Add +0.0%
JNJ Johnson & Johnson 1.23% 104,353 $21.6M Reduce -1.5%
COR Cencora Inc. 1.15% 59,693 $20.2M Reduce -1.2%
EXP Eagle Materials Inc. 1.11% 94,502 $19.5M Add +2.0%
META Meta Platforms Inc. Class A 1.06% 28,191 $18.6M Add +4.8%
FERG Ferguson Enterprises Inc. 1.04% 81,936 $18.2M Add +1.7%
NFLX Netflix Inc. 1.00% 187,629 $17.6M Add +3.0%
VMC Vulcan Materials Co. 0.87% 53,211 $15.2M Add +1.2%
PEP Pepsico Inc. 0.85% 104,140 $14.9M Reduce -4.2%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.80% 47,200 $14.0M Reduce -1.1%
WMT Walmart Inc. 0.75% 117,946 $13.1M Add +1330.5%
ADP Automatic Data Processing 0.74% 50,544 $13.0M Reduce -1.9%
PG The Procter & Gamble Co. 0.73% 89,908 $12.9M Reduce -2.2%
XOM Exxon Mobil Corp. 0.71% 102,848 $12.4M Reduce -0.8%
EMR Emerson Electric Co. 0.60% 79,151 $10.5M Reduce -1.3%
JPM JPMorgan Chase & Co. 0.60% 32,475 $10.5M Add +5.4%
GOOGL Alphabet Inc. Class A 0.54% 30,099 $9.4M Add +4.7%
KO The Coca-Cola Co. 0.54% 134,599 $9.4M Reduce -0.8%
CAT Caterpillar Inc. 0.52% 15,809 $9.1M Reduce -0.7%
HD Home Depot Inc. 0.42% 21,510 $7.4M Add +0.0%
CLS Celestica Inc. 0.42% 24,890 $7.4M Reduce -10.7%
VTI VG Morningstar TS MKT ETF-US 0.40% 21,064 $7.1M Reduce -1.2%
MRK Merck & Co. Inc. 0.40% 66,835 $7.0M Add +8.3%
SPY SS SPDR S&P 500 ETF Trust-US 0.39% 9,991 $6.8M Reduce -4.7%
IVV iShares Core S&P 500 ETF 0.37% 9,438 $6.5M Reduce -7.2%
ABBV Abbvie Inc. 0.37% 28,225 $6.4M Add +0.0%
UL Unilever PLC-Sponsored ADR 0.34% 90,343 $5.9M Reduce -2.3%
VCSH Vanguard S/T Corp. Bond ETF 0.33% 73,311 $5.8M No change
PKG Packaging Corp. of America 0.32% 27,515 $5.7M Reduce -5.7%
BRK.A Berkshire Hathaway Inc. Class A 0.30% 7 $5.3M No change
PPG PPG Industries Inc. 0.30% 50,683 $5.2M Reduce -1.9%
GE General Electric filed as GE AEROSPACE 0.28% 15,983 $4.9M Add +0.2%
AVGO Broadcom Inc. 0.28% 14,182 $4.9M Add +57.5%
PM Philip Morris International 0.26% 28,586 $4.6M Add +0.3%
IWB iShares Russell 1000 ETF 0.26% 12,095 $4.5M No change
PH Parker Hannifin Corp. 0.25% 5,015 $4.4M Add +12.1%
VUG Vanguard Mrngstar GR ETF-Sui 0.22% 7,905 $3.9M No change
LHX L3HARRIS Technologies Inc. 0.21% 12,712 $3.7M Add +0.3%
VYM Vanguard High DVD Yield ETF 0.21% 25,465 $3.7M Reduce -4.3%
CL Colgate-Palmolive Co. 0.21% 46,097 $3.6M Reduce -4.2%
RTX RTX Corp. 0.20% 18,832 $3.5M Add +27.9%
ABT Abbott Laboratories 0.20% 27,451 $3.4M Add +22.3%
ROK Rockwell Automation Inc. 0.19% 8,623 $3.4M No change
WM Waste Management Inc. 0.19% 15,000 $3.3M No change
CMCSA Comcast Corp. Class A 0.19% 109,642 $3.3M Reduce -7.5%
PFE Pfizer Inc. 0.18% 128,011 $3.2M Reduce -1.4%
UPS United Parcel Service Class B 0.18% 32,061 $3.2M Reduce -3.6%
SCHD Schwab US DVD Equity ETF 0.18% 113,639 $3.1M Add +0.1%
UNP Union Pacific Corp. 0.17% 12,824 $3.0M Reduce -10.4%
DE Deere & Co. 0.16% 6,083 $2.8M Add +16.8%
AIT Applied Industrial Tech Inc. 0.15% 10,400 $2.7M Reduce -8.8%
LLY Eli Lilly & Co. 0.15% 2,467 $2.7M Reduce -1.2%
LRCX Lam Research Corp. 0.14% 14,762 $2.5M Add +604.6%
BMY Bristol-Myers Squibb Co. 0.14% 46,062 $2.5M Reduce -0.4%
BNY Bank of New York Mellon Corp. filed as BANK NEW YORK MELLON CORP 0.14% 21,129 $2.5M No change
GEV GE Vernova Inc. 0.14% 3,746 $2.4M No change
RSP Invesco S&P 500 Equal Weight 0.13% 11,792 $2.3M Add +2.0%
LMT Lockheed Martin Corp. 0.13% 4,663 $2.3M No change
GBIL Goldman Sachs Access Treasur 0.13% 22,278 $2.2M Reduce -23.1%
TSLA Tesla Inc. 0.13% 4,907 $2.2M No change
BA The Boeing Co. 0.12% 9,925 $2.2M Add +25.2%
HON Honeywell International Inc. 0.12% 11,012 $2.1M Reduce -0.5%
COST Costco Wholesale Corp. 0.12% 2,352 $2.0M Reduce -0.3%
CB Chubb Ltd. 0.12% 6,495 $2.0M Reduce -11.0%
TT Trane Technologies PLC 0.12% 5,183 $2.0M No change
SPGI S&P Global Inc. 0.11% 3,776 $2.0M Reduce -0.2%
RPM RPM International Inc. 0.11% 18,593 $1.9M No change
MU Micron Technology Inc. 0.11% 6,666 $1.9M Reduce -0.4%
V Visa Inc. Class A 0.11% 5,409 $1.9M Add +0.3%
QQQ Invesco QQQ Trust Series 1 0.10% 2,997 $1.8M Reduce -17.6%
WTS Watts Water Technologies-A 0.10% 6,650 $1.8M Reduce -0.6%
IEX Idex Corp. 0.10% 9,509 $1.7M No change
VZ Verizon Communications Inc. 0.09% 40,646 $1.7M Reduce -1.6%
DELL Dell Technologies -C 0.09% 12,990 $1.6M No change
DASH DoorDash Inc. Class A 0.09% 7,188 $1.6M No change
CMI Cummins Inc. 0.09% 3,184 $1.6M No change
VOO Vanguard S&P 500 ETF 0.09% 2,541 $1.6M Reduce -10.5%
HI Hillenbrand Inc. 0.09% 49,796 $1.6M Reduce -6.9%

Show all 264 holdings

Portfolio Sells Q3 2025 → Q4 2025

FISV Fiserv Inc. Sold out 0.00% −1.26
VST Vistra Corp. Reduce -2.6% 4.12% −1.06
ACN Accenture PLC Class A Sold out 0.00% −0.71
ADP Automatic Data Processing Reduce -1.9% 0.74% −0.13
PG The Procter & Gamble Co. Reduce -2.2% 0.73% −0.08
BRK.B Berkshire Hathaway Inc. Class B Reduce -0.4% 5.05% −0.06
JEF Jefferies Financial Group Inc. Sold out 0.00% −0.06
BXSL Blackstone Secured Lending F Sold out 0.00% −0.04
BDX Becton Dickinson and Co. Reduce -4.9% 1.86% −0.04
PKG Packaging Corp. of America Reduce -5.7% 0.32% −0.04
GPK Graphic Packaging Holding Co. Reduce -50.2% 0.02% −0.04
GBIL Goldman Sachs Access Treasur Reduce -23.1% 0.13% −0.04
K Kellanova Sold out 0.00% −0.03
ARKK ARK Innovation ETF Reduce -35.4% 0.04% −0.03
CMCSA Comcast Corp. Class A Reduce -7.5% 0.19% −0.03
CNH CNH Industrial NV Reduce -41.5% 0.03% −0.03
TFC Truist Financial Corp. Sold out 0.00% −0.03
UNP Union Pacific Corp. Reduce -10.4% 0.17% −0.03
PEP Pepsico Inc. Reduce -4.2% 0.85% −0.03
IVV iShares Core S&P 500 ETF Reduce -7.2% 0.37% −0.02
KYN Kayne Anderson Energy Infra Sold out 0.00% −0.02
QQQ Invesco QQQ Trust Series 1 Reduce -17.6% 0.10% −0.02
DD Dupont DE Nemours Inc. Sold out 0.00% −0.02
IIPR Innovative Industrial Proper Sold out 0.00% −0.02
AIT Applied Industrial Tech Inc. Reduce -8.8% 0.15% −0.02
VIS Vanguard Industrials ETF Reduce -35.4% 0.03% −0.02
UL Unilever PLC-Sponsored ADR Reduce -2.3% 0.34% −0.02
CMG Chipotle Mexican Grill Inc. Sold out 0.00% −0.02
PPG PPG Industries Inc. Reduce -1.9% 0.30% −0.02
NRP Natural Resource Partners LP Sold out 0.00% −0.01
TMUS T-Mobile US Inc. Sold out 0.00% −0.01
CL Colgate-Palmolive Co. Reduce -4.2% 0.21% −0.01
SPY SS SPDR S&P 500 ETF Trust-US Reduce -4.7% 0.39% −0.01
IPG Interpublic Group of Cos Inc. Sold out 0.00% −0.01
TBBK The Bancorp Inc. Sold out 0.00% −0.01
CRWD CrowdStrike Holdings Inc. Class A Sold out 0.00% −0.01
HON Honeywell International Inc. Reduce -0.5% 0.12% −0.01
GIS General Mills Inc. Reduce -13.2% 0.04% −0.01
MDLZ Mondelez International Inc. Class A Reduce -6.6% 0.04% −0.01
WY Weyerhaeuser Co. Reduce -20.6% 0.03% −0.01
COST Costco Wholesale Corp. Reduce -0.3% 0.12% −0.01
VZ Verizon Communications Inc. Reduce -1.6% 0.09% −0.01
SNX TD Synnex Corp. Reduce -7.4% 0.05% −0.01
VOO Vanguard S&P 500 ETF Reduce -10.5% 0.09% −0.01
PFE Pfizer Inc. Reduce -1.4% 0.18% −0.01
T AT&T Inc. Reduce -0.2% 0.06% −0.01
GLD SPDR Gold Shares Reduce -27.4% 0.03% −0.01
VYM Vanguard High DVD Yield ETF Reduce -4.3% 0.21% −0.01
IP International Paper Co. Reduce -22.2% 0.01% −0.01
EMR Emerson Electric Co. Reduce -1.3% 0.60% −0.01

Portfolio Buys Q3 2025 → Q4 2025

WMT Walmart Inc. Add +1330.5% 0.75% +0.70
TSM Taiwan Semiconductor-SP ADR Add +36.6% 2.06% +0.66
TMO Thermo Fisher Scientific Inc. Add +2.3% 3.77% +0.66
GOOGL Alphabet Inc. Class A Add +4.7% 0.54% +0.14
LRCX Lam Research Corp. Add +604.6% 0.14% +0.13
PNC PNC Financial Services Group Add +1.3% 3.01% +0.13
AVGO Broadcom Inc. Add +57.5% 0.28% +0.11
AMZN Amazon.com Inc. Add +1.5% 1.90% +0.11
MRK Merck & Co. Inc. Add +8.3% 0.40% +0.10
AAPL Apple Inc. Add +1.0% 1.42% +0.09
AMD Advanced Micro Devices Add +402.1% 0.08% +0.07
KEYS Keysight Technologies Inc. New 0.06% +0.06
PH Parker Hannifin Corp. Add +12.1% 0.25% +0.06
RTX RTX Corp. Add +27.9% 0.20% +0.06
APO Apollo Global Management Inc. New 0.05% +0.05
VGUS Vanguard Ultra SHRT Treasury New 0.05% +0.05
BX Blackstone Inc. New 0.04% +0.04
JPM JPMorgan Chase & Co. Add +5.4% 0.60% +0.04
DHR Danaher Corp. New 0.04% +0.04
PCG P G & E Corp. New 0.03% +0.03
ICE Intercontinental Exchange Inc. New 0.03% +0.03
DE Deere & Co. Add +16.8% 0.16% +0.02
BA The Boeing Co. Add +25.2% 0.12% +0.02
ABT Abbott Laboratories Add +22.3% 0.20% +0.02
SBUX Starbucks Corp. New 0.02% +0.02
MA Mastercard Inc. Class A Add +0.8% 4.84% +0.02
BLDR Builders Firstsource Inc. New 0.02% +0.02
GH Guardant Health Inc. Add +3.9% 0.04% +0.02
HAL Halliburton Co. New 0.02% +0.02
KMT Kennametal Inc. New 0.01% +0.01
AJG Arthur J Gallagher & Co. Add +52.0% 0.06% +0.01
OMC Omnicom Group New 0.01% +0.01
TKR Timken Co. New 0.01% +0.01
AXTA Axalta Coating Systems Ltd. New 0.01% +0.01
GLW Corning Inc. New 0.01% +0.01
LEA Lear Corp. New 0.01% +0.01
FCX Freeport-McMoran Inc. New 0.01% +0.01
AMGN Amgen Inc. Add +0.1% 0.07% +0.01
MCD McDonald's Corp. Add +0.6% 1.85% +0.01
GE General Electric Add +0.2% 0.28% +0.00
RSP Invesco S&P 500 Equal Weight Add +2.0% 0.13% +0.00
C Citigroup Inc. Add +0.1% 0.02% +0.00
XLK SS Technology Select Sector Add +7.3% 0.03% +0.00
XLV SS Health Care Select Sector Add +4.5% 0.02% +0.00
XLF SS Financial Select Sector Add +7.6% 0.03% +0.00
V Visa Inc. Class A Add +0.3% 0.11% +0.00
MCO Moody's Corp. Add +2.7% 0.02% +0.00
WFC Wells Fargo & Co. Add +0.0% 0.02% +0.00
GSK GSK PLC-Spon ADR Add +0.1% 0.01% +0.00
GS Goldman Sachs Group Inc. Add +0.4% 0.01% +0.00

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 276$1.9BGOOG, MSFT, BRK.B, AMAT, MA
Q1 2026 268$1.7BGOOG, MSFT, BRK.B, RSG, MA
Q4 2025 264$1.8BMSFT, GOOG, BRK.B, MA, RSG
Q3 2025 261$1.7BMSFT, GOOG, VST, BRK.B, MA
Q2 2025 257$1.6BMSFT, VST, BRK.B, MA, RSG
Q1 2025 249$1.5BMSFT, RSG, MA, BRK.B, GOOG
Q4 2024 262$1.6BMSFT, MA, GOOG, RSG, VST
Q3 2024 271$1.6BMSFT, MA, RSG, BRK.B, GOOG
Q2 2024 243$1.4BMSFT, MA, RSG, GOOG, TMO
Q1 2024 245$1.4BMSFT, MA, RSG, GOOG, TMO