We are live on ! Find out more
SRC

Stone Run Capital Portfolio holdings

AUM $254M
1-Year Est. Return 12.86%
This Fund
S&P 500
This Quarter Est. Return
+7.09%
1 Year Est. Return
+12.86%
3 Year Est. Return
+77.77%
5 Year Est. Return
+98.28%
10 Year Est. Return
+404.21%
AUM
$254M
AUM Growth
+$3.74M
Cap. Flow
-$6.24M
Cap. Flow %
-2.46%
Top 10 Hldgs %
38.34%
Holding
73
New
5
Increased
13
Reduced
31
Closed
2

Top Buys

Rank Stock Value
1
SNPS icon
Synopsys
SNPS
+$3.53M
2
TMO icon
Thermo Fisher Scientific
TMO
+$717K
3
ENTG icon
Entegris
ENTG
+$566K
4
PANW icon
Palo Alto Networks
PANW
+$493K
5
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$419K

Top Sells

Rank Stock Value
1
ANSS
Ansys
ANSS
+$5.63M
2
MIDD icon
Middleby
MIDD
+$1.95M
3
VLTO icon
Veralto
VLTO
+$770K
4
BDX icon
Becton Dickinson
BDX
+$604K
5
SPGI icon
S&P Global
SPGI
+$565K

Sector Composition

Rank Sector Weight
1 Technology 33.57%
2 Industrials 24.59%
3 Healthcare 17.74%
4 Materials 12.05%
5 Financials 7.54%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
APH icon
1
Amphenol
APH
$198B
$11.8M 4.65%
95,320
-2,500
-3% -$274K
HEI icon
2
HEICO Corp
HEI
$49.8B
$11.4M 4.51%
35,466
-15
-0% -$4.77K
BRK.B icon
3
Berkshire Hathaway Class B
BRK.B
$1.1T
$10.3M 4.07%
20,575
– –
ADSK icon
4
Autodesk
ADSK
$49.5B
$10M 3.95%
31,535
-1,050
-3% -$320K
ANET icon
5
Arista Networks
ANET
$227B
$9.68M 3.81%
66,400
-200
-0.3% -$25.8K
MLM icon
6
Martin Marietta Materials
MLM
$31.5B
$9.62M 3.79%
15,263
-535
-3% -$319K
WTS icon
7
Watts Water Technologies
WTS
$11.5B
$8.94M 3.52%
32,000
-1,050
-3% -$282K
SPGI icon
8
S&P Global
SPGI
$121B
$8.79M 3.46%
18,061
-1,056
-6% -$565K
LIN icon
9
Linde
LIN
$221B
$8.38M 3.3%
17,645
-10
-0.1% -$4.73K
LII icon
10
Lennox International
LII
$14.4B
$8.32M 3.28%
15,715
+210
+1% +$123K
ROP icon
11
Roper Technologies
ROP
$38.8B
$7.99M 3.15%
16,021
-449
-3% -$239K
STE icon
12
Steris
STE
$22.3B
$7.01M 2.76%
28,330
+150
+0.5% +$35.9K
GLW icon
13
Corning
GLW
$119B
$6.95M 2.74%
84,724
-46
-0.1% -$3.01K
SHW icon
14
Sherwin-Williams
SHW
$82.7B
$6.4M 2.52%
18,490
-60
-0.3% -$21.2K
TMO icon
15
Thermo Fisher Scientific
TMO
$213B
$6.31M 2.49%
13,012
+1,540
+13% +$717K
ECL icon
16
Ecolab
ECL
$78.1B
$5.93M 2.34%
21,660
– –
EMR icon
17
Emerson Electric
EMR
$83.9B
$5.76M 2.27%
43,896
-149
-0.3% -$20.3K
WAB icon
18
Wabtec
WAB
$49.1B
$5.68M 2.24%
28,335
-1,000
-3% -$197K
GEV icon
19
GE Vernova
GEV
$264B
$5.51M 2.17%
8,956
-265
-3% -$161K
EW icon
20
Edwards Lifesciences
EW
$49.6B
$5.48M 2.16%
70,400
-50
-0.1% -$3.91K
PAYX icon
21
Paychex
PAYX
$41.6B
$5.43M 2.14%
42,853
+100
+0.2% +$13.9K
XYL icon
22
Xylem
XYL
$27.3B
$5.1M 2.01%
34,545
-225
-0.6% -$31.2K
DHR icon
23
Danaher
DHR
$137B
$5.03M 1.98%
25,388
+25
+0.1% +$4.97K
TRMB icon
24
Trimble
TRMB
$13.2B
$4.85M 1.91%
59,440
-250
-0.4% -$20.4K
LH icon
25
Labcorp
LH
$25B
$4.8M 1.89%
16,705
-1,350
-7% -$362K
1
2 3

Similar funds

TCB
Texas Capital Bancshares Dallas, Texas $254M AUM 27.01% 1-Year Est. Return
OIA
Optimum Investment Advisors Chicago, Illinois $252M AUM 26.44% 1-Year Est. Return
SSW
Smith Shellnut Wilson Ridgeland, Mississippi $260M AUM 19.19% 1-Year Est. Return
JSP
Jackson Square Partners Larkspur, California $247M AUM 20.29% 1-Year Est. Return
WS
Wela Strategies Atlanta, Georgia $264M AUM 16.32% 1-Year Est. Return
MTWM
Masso Torrence Wealth Management Marlton, New Jersey $240M AUM 26.41% 1-Year Est. Return
KSWA
Kathleen S. Wright Associates Pittsburgh, Pennsylvania $270M AUM 12.59% 1-Year Est. Return
GA
Guerra Advisors Miami, Florida $271M AUM 27.78% 1-Year Est. Return

Stone Run Capital's Q3 2025 Portfolio in Review

As of Q3 2025, Stone Run Capital held 73 positions worth $254M, up 1.5% from $250M the previous quarter. Its ten largest holdings account for 38% of the portfolio.

Stone Run Capital's Q3 2025 filing shows 5 new, 13 increased, 31 reduced and 2 closed positions. Its largest new stake was Ralliant Corp: 7,016 shares worth $307K. The largest sale was Ansys, an estimated $5.63M.

By sector, the portfolio is most concentrated in Technology at 34% of assets, up from 33% a quarter earlier, followed by Industrials and Healthcare.

  • Stone Run Capital's largest Q3 2025 buy was Ralliant Corp: 7,016 shares worth $307K.
  • Stone Run Capital added most to Synopsys in Q3 2025, an estimated $3.53M increase.
  • Stone Run Capital's biggest Q3 2025 reduction was Middleby, cutting an estimated $1.95M.
  • Stone Run Capital fully exited Ansys in Q3 2025, selling an estimated $5.63M.
  • Stone Run Capital's ten largest holdings make up 38% of its $254M portfolio in Q3 2025.
  • Stone Run Capital opened 5 new positions and closed 2 in Q3 2025.
  • Stone Run Capital's portfolio value rose 1.5% quarter-over-quarter to $254M.

Based on Stone Run Capital's 13F filing for Q3 2025, filed 14 Nov 2025.