Latest STONE RUN CAPITAL, LLC Stock Portfolio

$253Million | No. of Holdings #71

STONE RUN CAPITAL, LLC Performance

2025 Q3+3.93%

YTD+6.26%

2024+5.50%

About STONE RUN CAPITAL, LLC and 13F Hedge Fund Stock Holdings

On 2025-11-14, the fund reported it's updated stock portfolio. In the 13F Holdings report, STONE RUN CAPITAL, LLC reported an equity portfolio of $253.9 Millions as of 30 Sep, 2025. <br><br> The top stock holdings of STONE RUN CAPITAL, LLC are APH, HEI, . The fund has invested 4.7% of it's portfolio in AMPHENOL CORP NEW and 4.5% of portfolio in HEICO CORP NEW. <br><br> The fund managers got completely rid off ANSYS INC (ANSS) and CARRIER GLOBAL CORPORATION (CARR) stocks. They significantly reduced their stock positions in MIDDLEBY CORP (MIDD), VERALTO CORP and SMITH A O CORP (AOS). STONE RUN CAPITAL, LLC opened new stock positions in RALLIANT CORP, SEMPRA (SRE) and GE AEROSPACE (GE). The fund showed a lot of confidence in some stocks as they added substantially to SYNOPSYS INC (SNPS), PALO ALTO NETWORKS INC (PANW) and CDW CORP (CDW).

STONE RUN CAPITAL, LLC Equity Portfolio Value

Last Reported on: 14 Nov, 2025

$253Million

as of Nov 14, 2025

STONE RUN CAPITAL, LLC Annual Return Estimates Vs S&P 500

Our best estimate is that STONE RUN CAPITAL, LLC made a return of 3.93% in the last quarter. In trailing 12 months, it's portfolio return was 2.27%.

Performance
S&P 500

New Buys

Ticker	$ Bought
ralliant corp	306,810
sempra	224,950
ge aerospace	212,935
shell plc	200,999
duke energy corp new	200,599

New stocks bought by STONE RUN CAPITAL, LLC

Additions

Ticker	% Inc.
synopsys inc	499
palo alto networks inc	23.57
cdw corp	22.26
entegris inc	20.04
thermo fisher scientific inc	13.42
alphabet inc	13.03
ptc inc	2.78
axogen inc	2.72

Additions to existing portfolio by STONE RUN CAPITAL, LLC

Reductions

Ticker	% Reduced
middleby corp	-87.1
veralto corp	-25.96
smith a o corp	-16.17
becton dickinson & co	-13.32
nordson corp	-10.57
fiserv inc	-7.74
labcorp holdings inc	-7.48
s&p global inc	-5.52

STONE RUN CAPITAL, LLC reduced stake in above stock

Sold off

Ticker	$ Sold
ansys inc	-5,633,570
carrier global corporation	-219,570

STONE RUN CAPITAL, LLC got rid off the above stocks

Sector Distribution

STONE RUN CAPITAL, LLC has about 27.9% of it's holdings in Technology sector.

Technology
Industrials
Others
Healthcare
Basic Materials
Financial Services
Communication Services
Consumer Defensive

Sector	%
Technology	27.9
Industrials	23.6
Others	14.8
Healthcare	14.5
Basic Materials	12.1
Financial Services	3.5
Communication Services	1.7
Consumer Defensive	1.6

Market Cap. Distribution

STONE RUN CAPITAL, LLC has about 80% of it's portfolio invested in the large-cap and mega-cap stocks.

LARGE-CAP
UNALLOCATED
MEGA-CAP
MID-CAP

Category	%
LARGE-CAP	71.4
UNALLOCATED	14.8
MEGA-CAP	8.6
MID-CAP	4.5

Stocks belong to which Index?

About 75.6% of the stocks held by STONE RUN CAPITAL, LLC either belong to S&P 500 or RUSSELL 2000 index.

S&P 500
Others
RUSSELL 2000

Index	%
S&P 500	71.4
Others	24.4
RUSSELL 2000	4.2

Top 5 Winners (%)		%
AXGN	axogen inc	61.7 %
GLW	corning inc	56.0 %
TER	teradyne inc	53.1 %
ANET	arista networks inc	42.4 %
GOOG	alphabet inc	32.2 %

Top 5 Winners ($)		$
ANET	arista networks inc	2.9 M
GLW	corning inc	2.5 M
APH	amphenol corp new	2.4 M
MLM	martin marietta matls inc	1.3 M
WTS	watts water technologies inc	1.1 M

Top 5 Losers (%)		%
IT	gartner inc	-35.0 %
FTNT	fortinet inc	-20.5 %
ISRG	intuitive surgical inc	-17.7 %
EPAM	epam sys inc	-14.7 %
PAYX	paychex inc	-12.8 %

Top 5 Losers ($)		$
IT	gartner inc	-2.2 M
ROP	roper technologies inc	-1.1 M
PAYX	paychex inc	-0.8 M
SPGI	s&p global inc	-0.8 M
LII	lennox intl inc	-0.7 M

STONE RUN CAPITAL, LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of STONE RUN CAPITAL, LLC

STONE RUN CAPITAL, LLC has 71 stocks in it's portfolio. About 38.3% of the portfolio is in top 10 stocks. IT proved to be the most loss making stock for the portfolio. ANET was the most profitable stock for STONE RUN CAPITAL, LLC last quarter.

$253.86MTotal Value

73.00Positions

14 Nov, 2025Last Reported

Current holdings of Current Stock Holdings of STONE RUN CAPITAL, LLC, last reported on 14 Nov, 2025. Select a row with a linked ticker to view its historical trend.
Holdingsorted ascending	% Portfolio	Shares Held	$ Value	% Change
AAPL Apple Inc Apple IncAAPL STONE RUN CAPITAL, LLC's holding in Apple Inc over time	0.7%	6,980	$1.78M 0.7%	unchanged 0 percentunchanged

ABBV Abbvie Inc Abbvie IncABBV STONE RUN CAPITAL, LLC's holding in Abbvie Inc over time	0.34%	3,700	$856.7K 0.34%	unchanged 0 percentunchanged

ABT Abbott Labs Abbott LabsABT STONE RUN CAPITAL, LLC's holding in Abbott Labs over time	0.17%	3,300	$442.0K 0.17%	unchanged 0 percentunchanged

ADSK Autodesk Inc Autodesk IncADSK STONE RUN CAPITAL, LLC's holding in Autodesk Inc over time	3.95%	31,535	$10.02M 3.95%	decreased 3.22 percentreduced

AMGN Amgen Inc Amgen IncAMGN STONE RUN CAPITAL, LLC's holding in Amgen Inc over time	0.1%	900	$254.0K 0.1%	unchanged 0 percentunchanged

ANET Arista Networks Inc Arista Networks IncANET STONE RUN CAPITAL, LLC's holding in Arista Networks Inc over time	3.81%	66,400	$9.68M 3.81%	decreased 0.3 percentreduced

ANSS Ansys Inc Ansys IncANSS STONE RUN CAPITAL, LLC's holding in Ansys Inc over time	0%	0.00	$0.00 0%	decreased 100 percentsold off

AOS Smith A O Corp Smith A O CorpAOS STONE RUN CAPITAL, LLC's holding in Smith A O Corp over time	0.64%	22,300	$1.64M 0.64%	decreased 16.17 percentreduced

APD Air Prods & Chems Inc Air Prods & Chems IncAPD STONE RUN CAPITAL, LLC's holding in Air Prods & Chems Inc over time	0.1%	950	$259.1K 0.1%	unchanged 0 percentunchanged

APH Amphenol Corp New Amphenol Corp NewAPH STONE RUN CAPITAL, LLC's holding in Amphenol Corp New over time	4.65%	95,320	$11.80M 4.65%	decreased 2.56 percentreduced

AXGN Axogen Inc Axogen IncAXGN STONE RUN CAPITAL, LLC's holding in Axogen Inc over time	0.66%	94,526	$1.69M 0.66%	increased 2.72 percentadded

BDX Becton Dickinson & Co Becton Dickinson & CoBDX STONE RUN CAPITAL, LLC's holding in Becton Dickinson & Co over time	1.56%	21,139	$3.96M 1.56%	decreased 13.32 percentreduced

BWXT Bwx Technologies Inc Bwx Technologies IncBWXT STONE RUN CAPITAL, LLC's holding in Bwx Technologies Inc over time	0.1%	1,428	$263.3K 0.1%	unchanged 0 percentunchanged

CARR Carrier Global Corporation Carrier Global CorporationCARR STONE RUN CAPITAL, LLC's holding in Carrier Global Corporation over time	0%	0.00	$0.00 0%	decreased 100 percentsold off

CAT Caterpillar Inc Caterpillar IncCAT STONE RUN CAPITAL, LLC's holding in Caterpillar Inc over time	0.11%	600	$286.3K 0.11%	unchanged 0 percentunchanged

CDW Cdw Corp Cdw CorpCDW STONE RUN CAPITAL, LLC's holding in Cdw Corp over time	0.1%	1,620	$258.0K 0.1%	increased 22.26 percentadded

CEG Constellation Energy Corp Constellation Energy CorpCEG STONE RUN CAPITAL, LLC's holding in Constellation Energy Corp over time	0.08%	636	$209.3K 0.08%	unchanged 0 percentunchanged

CP Canadian Pacific Kansas City Canadian Pacific Kansas CityCP STONE RUN CAPITAL, LLC's holding in Canadian Pacific Kansas City over time	0.09%	3,060	$227.9K 0.09%	unchanged 0 percentunchanged

DHR Danaher Corporation Danaher CorporationDHR STONE RUN CAPITAL, LLC's holding in Danaher Corporation over time	1.98%	25,388	$5.03M 1.98%	increased 0.1 percentadded

DUK Duke Energy Corp New Duke Energy Corp NewDUK STONE RUN CAPITAL, LLC's holding in Duke Energy Corp New over time	0.08%	1,621	$200.6K 0.08%	new position