Stone Run Capital, LLC

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 14, 2025), Stone Run Capital, LLC reported 68 stock positions worth $250.1 million. Its top holding was Heico (HEI) at 4.7% of the portfolio, followed by Autodesk (ADSK, 4.0%) and S&P Global (SPGI, 4.0%). Compared with Q1 2025, it opened 6 new positions, sold out of 4, added to 20 and reduced 21. The biggest buy was Corning (GLW, shares +148%) and the biggest sale Middleby (MIDD, shares −49%).

Most Recent 13F
Q3 2025
Location
NEW YORK, NY
CIK
0001512746
Portfolio Value
$250.1M (Q2 2025)
SEC Filing
0001420506-25-002087 ↗ filed Aug 14, 2025

Holdings Value

0$100.0M$200.0M$300.0M Q1 2024: $261.7M Q1 2024 Q2 2024: $250.4M Q2 2024 Q3 2024: $268.6M Q3 2024 Q4 2024: $254.5M Q4 2024 Q1 2025: $237.3M Q1 2025 Q2 2025: $250.1M $250.1M Q2 2025 Q3 2025: $253.9M Q3 2025

Holdings 68 stocks · $250.1M
HEI Heico Corp. 4.65% 35,481 $11.6M No change
ADSK Autodesk Inc. 4.03% 32,585 $10.1M Reduce -3.2%
SPGI S&P Global Inc. 4.03% 19,117 $10.1M Add +0.3%
BRK.B Berkshire Hathaway Inc. Class B 4.00% 20,575 $10.0M Reduce -2.6%
APH Amphenol Corp. Class A 3.86% 97,820 $9.7M Reduce -0.1%
ROP Roper Technologies Inc. 3.73% 16,470 $9.3M Reduce -0.1%
LII Lennox International Inc. 3.55% 15,505 $8.9M Add +0.5%
MLM Martin Marietta Materials 3.47% 15,798 $8.7M Reduce -0.2%
LIN Linde PLC 3.31% 17,655 $8.3M Add +0.0%
WTS Watts Water Technologies-A 3.25% 33,050 $8.1M Reduce -0.4%
ANET Arista Networks Inc. 2.72% 66,600 $6.8M No change
STE Steris PLC 2.71% 28,180 $6.8M Reduce -1.7%
SHW The Sherwin-Williams Co. 2.55% 18,550 $6.4M Add +0.3%
IT Gartner Inc. 2.53% 15,647 $6.3M No change
PAYX Paychex Inc. 2.49% 42,753 $6.2M Add +0.5%
WAB Wabtec Corp. 2.46% 29,335 $6.1M Add +2.2%
EMR Emerson Electric Co. 2.35% 44,045 $5.9M Reduce -20.6%
ECL Ecolab Inc. 2.33% 21,660 $5.8M No change
ANSS Ansys Inc. 2.25% 16,040 $5.6M No change
EW Edwards Lifesciences Corp. 2.20% 70,450 $5.5M Reduce -0.2%
FISV Fiserv Inc. 2.14% 31,025 $5.3M Add +0.2%
DHR Danaher Corp. 2.00% 25,363 $5.0M Add +0.3%
GEV GE Vernova Inc. 1.95% 9,221 $4.9M Reduce -19.4%
LH Labcorp Holdings Inc. 1.89% 18,055 $4.7M Add +18.7%
TMO Thermo Fisher Scientific Inc. 1.86% 11,472 $4.7M Reduce -2.2%
TRMB Trimble Inc. 1.81% 59,690 $4.5M Add +15.5%
MKC McCormick & Co.-Non VTG SHRS 1.81% 59,750 $4.5M No change
XYL Xylem Inc. 1.80% 34,770 $4.5M No change
GLW Corning Inc. 1.78% 84,770 $4.5M Add +147.8%
NDSN Nordson Corp. 1.76% 20,479 $4.4M Add +24.2%
BDX Becton Dickinson and Co. 1.68% 24,388 $4.2M Add +9.9%
TECH Bio-Techne Corp. 1.61% 78,240 $4.0M Add +2.6%
RVTY Revvity Inc. 1.52% 39,433 $3.8M Reduce -5.2%
VLTO Veralto Corp. 1.14% 28,124 $2.8M Reduce -13.3%
GOOGL Alphabet Inc. Class A 1.08% 15,350 $2.7M Add +186.9%
ENTG Entegris Inc. 1.07% 33,180 $2.7M Add +7.2%
MIDD Middleby Corp. 0.93% 16,160 $2.3M Reduce -48.7%
EPAM Epam Systems Inc. 0.90% 12,800 $2.3M Reduce -0.2%
PANW Palo Alto Networks Inc. 0.89% 10,925 $2.2M Reduce -1.6%
TER Teradyne Inc. 0.74% 20,600 $1.9M Add +14.4%
AOS Smith (a.o.) Corp. 0.70% 26,600 $1.7M Reduce -6.9%
FTNT Fortinet Inc. 0.67% 15,850 $1.7M Add +3.3%
BIP Brookfield Infrastructure Pa 0.66% 48,921 $1.6M Add +0.0%
PTC PTC Inc. 0.62% 8,980 $1.5M Reduce -5.3%
AAPL Apple Inc. 0.57% 6,980 $1.4M No change
ISRG Intuitive Surgical Inc. 0.54% 2,500 $1.4M No change
AXGN Axogen Inc. 0.40% 92,026 $998K Add +13.2%
ABBV Abbvie Inc. 0.27% 3,700 $687K Reduce -9.8%
SNPS Synopsys Inc. 0.26% 1,250 $641K Reduce -9.1%
MMM 3M Co. 0.26% 4,189 $638K No change
RTX RTX Corp. 0.21% 3,573 $522K No change
ITW Illinois Tool Works 0.19% 1,950 $482K No change
ABT Abbott Laboratories 0.18% 3,300 $449K No change
FTV Fortive Corp. 0.18% 8,404 $438K Reduce -41.7%
OKE Oneok Inc. 0.15% 4,550 $371K No change
WWD Woodward Inc. 0.15% 1,500 $368K No change
CNI Canadian Natl Railway Co. 0.12% 2,900 $302K No change
APD Air Products & Chemicals Inc. 0.11% 950 $268K No change
MCD McDonald's Corp. 0.11% 900 $263K No change
JNJ Johnson & Johnson 0.10% 1,670 $255K No change
AMGN Amgen Inc. 0.10% 900 $251K No change
CP Canadian Pacific Kansas City 0.10% 3,060 $243K No change
CDW CDW Corp. 0.09% 1,325 $237K New
CAT Caterpillar Inc. 0.09% 600 $233K New
CARR Carrier Global Corp. 0.09% 3,000 $220K New
BIPC Brookfield Infrastructure-A 0.09% 5,191 $216K New
BWXT BWX Technologies Inc. 0.08% 1,428 $206K New
CEG Constellation Energy 0.08% 636 $205K New

Portfolio Sells Q1 2025 → Q2 2025
MIDD Middleby Corp. Reduce -48.7% 0.93% −1.09
BRK.B Berkshire Hathaway Inc. Class B Reduce -2.6% 4.00% −0.75
TMO Thermo Fisher Scientific Inc. Reduce -2.2% 1.86% −0.60
ADBE Adobe Inc. Sold out 0.00% −0.55
ROP Roper Technologies Inc. Reduce -0.1% 3.73% −0.36
RVTY Revvity Inc. Reduce -5.2% 1.52% −0.33
FTV Fortive Corp. Reduce -41.7% 0.18% −0.27
EMR Emerson Electric Co. Reduce -20.6% 2.35% −0.22
VLTO Veralto Corp. Reduce -13.3% 1.14% −0.20
DUK Duke Energy Corp. Sold out 0.00% −0.11
AOS Smith (a.o.) Corp. Reduce -6.9% 0.70% −0.09
ABBV Abbvie Inc. Reduce -9.8% 0.27% −0.09
SHEL Shell PLC-ADR Sold out 0.00% −0.09
STE Steris PLC Reduce -1.7% 2.71% −0.03
CLVT Clarivate PLC Sold out 0.00% −0.02
EPAM Epam Systems Inc. Reduce -0.2% 0.90% −0.01
PTC PTC Inc. Reduce -5.3% 0.62% −0.00
SNPS Synopsys Inc. Reduce -9.1% 0.26% +0.01
EW Edwards Lifesciences Corp. Reduce -0.2% 2.20% +0.05
PANW Palo Alto Networks Inc. Reduce -1.6% 0.89% +0.10
MLM Martin Marietta Materials Reduce -0.2% 3.47% +0.28
ADSK Autodesk Inc. Reduce -3.2% 4.03% +0.32
WTS Watts Water Technologies-A Reduce -0.4% 3.25% +0.40
GEV GE Vernova Inc. Reduce -19.4% 1.95% +0.48
APH Amphenol Corp. Class A Reduce -0.1% 3.86% +1.15

Portfolio Buys Q1 2025 → Q2 2025
GLW Corning Inc. Add +147.8% 1.78% +1.12
GOOGL Alphabet Inc. Class A Add +186.9% 1.08% +0.73
LH Labcorp Holdings Inc. Add +18.7% 1.89% +0.40
TRMB Trimble Inc. Add +15.5% 1.81% +0.38
NDSN Nordson Corp. Add +24.2% 1.76% +0.35
WAB Wabtec Corp. Add +2.2% 2.46% +0.26
TER Teradyne Inc. Add +14.4% 0.74% +0.11
CDW CDW Corp. New 0.09% +0.09
CAT Caterpillar Inc. New 0.09% +0.09
CARR Carrier Global Corp. New 0.09% +0.09
BIPC Brookfield Infrastructure-A New 0.09% +0.09
BWXT BWX Technologies Inc. New 0.08% +0.08
CEG Constellation Energy New 0.08% +0.08
FTNT Fortinet Inc. Add +3.3% 0.67% +0.05
BIP Brookfield Infrastructure Pa Add +0.0% 0.66% +0.04
SPGI S&P Global Inc. Add +0.3% 4.03% −0.05
ENTG Entegris Inc. Add +7.2% 1.07% −0.07
LII Lennox International Inc. Add +0.5% 3.55% −0.09
LIN Linde PLC Add +0.0% 3.31% −0.15
SHW The Sherwin-Williams Co. Add +0.3% 2.55% −0.18
DHR Danaher Corp. Add +0.3% 2.00% −0.18
AXGN Axogen Inc. Add +13.2% 0.40% −0.23
TECH Bio-Techne Corp. Add +2.6% 1.61% −0.28
PAYX Paychex Inc. Add +0.5% 2.49% −0.28
BDX Becton Dickinson and Co. Add +9.9% 1.68% −0.46
FISV Fiserv Inc. Add +0.2% 2.14% −0.74

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q3 2025 71$253.9MAPH, HEI, BRK.B, ADSK, ANET
Q2 2025 68$250.1MHEI, ADSK, SPGI, BRK.B, APH
Q1 2025 66$237.3MBRK.B, ROP, SPGI, HEI, ADSK
Q4 2024 68$254.5MSPGI, LII, ADSK, BRK.B, HEI
Q3 2024 70$268.6MHEI, SPGI, LII, BRK.B, IT
Q2 2024 65$250.4MHEI, SPGI, ROP, ADSK, LII
Q1 2024 66$261.7MMLM, BRK.B, LIN, IT, ROP