Stone Run Capital, LLC

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 14, 2025), Stone Run Capital, LLC reported 66 stock positions worth $237.3 million. Its top holding was Berkshire Hathaway Class B (BRK.B) at 4.7% of the portfolio, followed by Roper Technologies (ROP, 4.1%) and S&P Global (SPGI, 4.1%). Compared with Q4 2024, it opened 4 new positions, sold out of 6, added to 12 and reduced 37. The biggest buy was a new position in Labcorp (LH) and the biggest sale Arista Networks (ANET, shares −8%).

Most Recent 13F
Q3 2025
Location
NEW YORK, NY
CIK
0001512746
Portfolio Value
$237.3M (Q1 2025)
SEC Filing
0001420506-25-001086 ↗ filed May 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 $237.3M Q1 2025 Q2 2025: $250.1M Q2 2025 Q3 2025: $253.9M Q3 2025

Holdings 66 stocks · $237.3M

BRK.B Berkshire Hathaway Inc. Class B 4.74% 21,135 $11.3M Reduce -0.2%
ROP Roper Technologies Inc. 4.10% 16,483 $9.7M Reduce -0.1%
SPGI S&P Global Inc. 4.08% 19,067 $9.7M Reduce -8.2%
HEI Heico Corp. 4.00% 35,481 $9.5M Reduce -7.8%
ADSK Autodesk Inc. 3.72% 33,675 $8.8M Add +0.1%
LII Lennox International Inc. 3.65% 15,430 $8.7M Reduce -6.1%
LIN Linde PLC 3.46% 17,650 $8.2M Reduce -6.9%
MLM Martin Marietta Materials 3.19% 15,833 $7.6M Add +0.4%
FISV Fiserv Inc. 2.88% 30,970 $6.8M Reduce -0.4%
WTS Watts Water Technologies-A 2.85% 33,175 $6.8M Reduce -0.4%
IT Gartner Inc. 2.77% 15,647 $6.6M Reduce -16.7%
PAYX Paychex Inc. 2.77% 42,539 $6.6M Add +0.1%
STE Steris PLC 2.74% 28,655 $6.5M Reduce -26.2%
SHW The Sherwin-Williams Co. 2.72% 18,500 $6.5M No change
APH Amphenol Corp. Class A 2.71% 97,970 $6.4M Reduce -0.1%
EMR Emerson Electric Co. 2.56% 55,483 $6.1M Reduce -7.7%
TMO Thermo Fisher Scientific Inc. 2.46% 11,732 $5.8M Reduce -8.1%
ECL Ecolab Inc. 2.31% 21,660 $5.5M Reduce -0.2%
WAB Wabtec Corp. 2.19% 28,710 $5.2M Reduce -10.7%
DHR Danaher Corp. 2.18% 25,288 $5.2M Reduce -7.3%
ANET Arista Networks Inc. 2.17% 66,600 $5.2M Reduce -7.8%
EW Edwards Lifesciences Corp. 2.16% 70,600 $5.1M Reduce -8.1%
BDX Becton Dickinson and Co. 2.14% 22,194 $5.1M Reduce -23.9%
ANSS Ansys Inc. 2.14% 16,040 $5.1M Reduce -0.9%
MKC McCormick & Co.-Non VTG SHRS 2.07% 59,750 $4.9M Reduce -7.2%
MIDD Middleby Corp. 2.02% 31,522 $4.8M Reduce -14.1%
TECH Bio-Techne Corp. 1.88% 76,284 $4.5M Add +1.4%
RVTY Revvity Inc. 1.85% 41,583 $4.4M Reduce -3.6%
XYL Xylem Inc. 1.75% 34,770 $4.2M Add +0.9%
LH Labcorp Holdings Inc. 1.49% 15,205 $3.5M New
GEV GE Vernova Inc. 1.47% 11,436 $3.5M Add +18.6%
TRMB Trimble Inc. 1.43% 51,666 $3.4M Reduce -0.3%
NDSN Nordson Corp. 1.40% 16,484 $3.3M Reduce -2.5%
VLTO Veralto Corp. 1.33% 32,458 $3.2M Reduce -10.7%
ENTG Entegris Inc. 1.14% 30,942 $2.7M Reduce -12.9%
EPAM Epam Systems Inc. 0.91% 12,825 $2.2M Add +0.2%
PANW Palo Alto Networks Inc. 0.80% 11,100 $1.9M Reduce -0.9%
AOS Smith (a.o.) Corp. 0.79% 28,572 $1.9M New
GLW Corning Inc. 0.66% 34,215 $1.6M Add +0.6%
AAPL Apple Inc. 0.65% 6,980 $1.6M No change
AXGN Axogen Inc. 0.63% 81,301 $1.5M Add +1.0%
TER Teradyne Inc. 0.63% 18,000 $1.5M Add +23.9%
FTNT Fortinet Inc. 0.62% 15,350 $1.5M Reduce -16.1%
PTC PTC Inc. 0.62% 9,480 $1.5M Add +3.3%
BIP Brookfield Infrastructure Pa 0.61% 48,904 $1.5M Add +0.0%
ADBE Adobe Inc. 0.55% 3,425 $1.3M Reduce -48.9%
ISRG Intuitive Surgical Inc. 0.52% 2,500 $1.2M No change
FTV Fortive Corp. 0.44% 14,425 $1.1M Reduce -53.6%
ABBV Abbvie Inc. 0.36% 4,100 $859K No change
GOOGL Alphabet Inc. Class A 0.35% 5,350 $827K New
MMM 3M Co. 0.26% 4,189 $615K No change
SNPS Synopsys Inc. 0.25% 1,375 $590K No change
ITW Illinois Tool Works 0.20% 1,950 $484K Reduce -5.0%
RTX RTX Corp. 0.20% 3,573 $473K No change
OKE Oneok Inc. 0.19% 4,550 $451K Reduce -4.3%
ABT Abbott Laboratories 0.18% 3,300 $438K No change
CNI Canadian Natl Railway Co. 0.12% 2,900 $283K Reduce -11.7%
MCD McDonald's Corp. 0.12% 900 $281K Reduce -28.6%
AMGN Amgen Inc. 0.12% 900 $280K Reduce -13.4%
APD Air Products & Chemicals Inc. 0.12% 950 $280K No change
JNJ Johnson & Johnson 0.12% 1,670 $277K No change
WWD Woodward Inc. 0.12% 1,500 $274K No change
DUK Duke Energy Corp. 0.11% 2,071 $253K No change
CP Canadian Pacific Kansas City 0.09% 3,060 $215K No change
SHEL Shell PLC-ADR 0.09% 2,810 $206K New
CLVT Clarivate PLC 0.02% 12,500 $49K Reduce -16.7%

Portfolio Sells Q4 2024 → Q1 2025

ANET Arista Networks Inc. Reduce -7.8% 2.17% −0.96
IFF Intl Flavors & Fragrances Sold out 0.00% −0.90
IT Gartner Inc. Reduce -16.7% 2.77% −0.81
ADBE Adobe Inc. Reduce -48.9% 0.55% −0.62
FTV Fortive Corp. Reduce -53.6% 0.44% −0.47
BDX Becton Dickinson and Co. Reduce -23.9% 2.14% −0.46
STE Steris PLC Reduce -26.2% 2.74% −0.40
EMR Emerson Electric Co. Reduce -7.7% 2.56% −0.36
LII Lennox International Inc. Reduce -6.1% 3.65% −0.29
DHR Danaher Corp. Reduce -7.3% 2.18% −0.28
ENTG Entegris Inc. Reduce -12.9% 1.14% −0.24
WAB Wabtec Corp. Reduce -10.7% 2.19% −0.20
TMO Thermo Fisher Scientific Inc. Reduce -8.1% 2.46% −0.15
VLTO Veralto Corp. Reduce -10.7% 1.33% −0.12
CAT Caterpillar Inc. Sold out 0.00% −0.10
DAY Dayforce Inc. Sold out 0.00% −0.09
SRE Sempra Sold out 0.00% −0.09
BIPC Brookfield Infrastructure-A Sold out 0.00% −0.08
CARR Carrier Global Corp. Sold out 0.00% −0.08
EW Edwards Lifesciences Corp. Reduce -8.1% 2.16% −0.08
FTNT Fortinet Inc. Reduce -16.1% 0.62% −0.06
RVTY Revvity Inc. Reduce -3.6% 1.85% −0.04
MCD McDonald's Corp. Reduce -28.6% 0.12% −0.03
CNI Canadian Natl Railway Co. Reduce -11.7% 0.12% −0.01
TRMB Trimble Inc. Reduce -0.3% 1.43% −0.01
CLVT Clarivate PLC Reduce -16.7% 0.02% −0.01
ANSS Ansys Inc. Reduce -0.9% 2.14% −0.01
PANW Palo Alto Networks Inc. Reduce -0.9% 0.80% −0.00
ITW Illinois Tool Works Reduce -5.0% 0.20% −0.00
OKE Oneok Inc. Reduce -4.3% 0.19% +0.00
AMGN Amgen Inc. Reduce -13.4% 0.12% +0.01
NDSN Nordson Corp. Reduce -2.5% 1.40% +0.01
SPGI S&P Global Inc. Reduce -8.2% 4.08% +0.02
APH Amphenol Corp. Class A Reduce -0.1% 2.71% +0.03
MIDD Middleby Corp. Reduce -14.1% 2.02% +0.07
MKC McCormick & Co.-Non VTG SHRS Reduce -7.2% 2.07% +0.14
WTS Watts Water Technologies-A Reduce -0.4% 2.85% +0.19
ECL Ecolab Inc. Reduce -0.2% 2.31% +0.32
LIN Linde PLC Reduce -6.9% 3.46% +0.34
FISV Fiserv Inc. Reduce -0.4% 2.88% +0.37
HEI Heico Corp. Reduce -7.8% 4.00% +0.40
ROP Roper Technologies Inc. Reduce -0.1% 4.10% +0.72
BRK.B Berkshire Hathaway Inc. Class B Reduce -0.2% 4.74% +0.97

Portfolio Buys Q4 2024 → Q1 2025

LH Labcorp Holdings Inc. New 1.49% +1.49
AOS Smith (a.o.) Corp. New 0.79% +0.79
PAYX Paychex Inc. Add +0.1% 2.77% +0.42
GOOGL Alphabet Inc. Class A New 0.35% +0.35
GEV GE Vernova Inc. Add +18.6% 1.47% +0.22
XYL Xylem Inc. Add +0.9% 1.75% +0.18
AXGN Axogen Inc. Add +1.0% 0.63% +0.11
SHEL Shell PLC-ADR New 0.09% +0.09
GLW Corning Inc. Add +0.6% 0.66% +0.03
BIP Brookfield Infrastructure Pa Add +0.0% 0.61% +0.00
MLM Martin Marietta Materials Add +0.4% 3.19% −0.01
PTC PTC Inc. Add +3.3% 0.62% −0.04
TER Teradyne Inc. Add +23.9% 0.63% −0.09
ADSK Autodesk Inc. Add +0.1% 3.72% −0.19
TECH Bio-Techne Corp. Add +1.4% 1.88% −0.24
EPAM Epam Systems Inc. Add +0.2% 0.91% −0.26

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