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Stone Run Capital Portfolio holdings

AUM $254M
1-Year Est. Return 12.86%
This Fund
S&P 500
This Quarter Est. Return
+8.22%
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
$250M
AUM Growth
+$12.8M
Cap. Flow
-$144K
Cap. Flow %
-0.06%
Top 10 Hldgs %
37.89%
Holding
72
New
6
Increased
20
Reduced
21
Closed
4

Top Buys

Rank Stock Value
1
GLW icon
Corning
GLW
+$2.37M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$1.64M
3
NDSN icon
Nordson
NDSN
+$795K
4
LH icon
Labcorp
LH
+$694K
5
TRMB icon
Trimble
TRMB
+$539K

Top Sells

Rank Stock Value
1
MIDD icon
Middleby
MIDD
+$2.16M
2
ADBE icon
Adobe
ADBE
+$1.31M
3
EMR icon
Emerson Electric
EMR
+$1.31M
4
GEV icon
GE Vernova
GEV
+$922K
5
FTV icon
Fortive
FTV
+$562K

Sector Composition

Rank Sector Weight
1 Technology 33.35%
2 Industrials 25.81%
3 Healthcare 17.08%
4 Materials 11.77%
5 Financials 8.03%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
HEI icon
1
HEICO Corp
HEI
$49.8B
$11.6M 4.65%
35,481
– –
ADSK icon
2
Autodesk
ADSK
$49.5B
$10.1M 4.03%
32,585
-1,090
-3% -$309K
SPGI icon
3
S&P Global
SPGI
$121B
$10.1M 4.03%
19,117
+50
+0.3% +$25K
BRK.B icon
4
Berkshire Hathaway Class B
BRK.B
$1.1T
$9.99M 4%
20,575
-560
-3% -$284K
APH icon
5
Amphenol
APH
$198B
$9.66M 3.86%
97,820
-150
-0.2% -$12.3K
ROP icon
6
Roper Technologies
ROP
$38.8B
$9.34M 3.73%
16,470
-13
-0.1% -$7.35K
LII icon
7
Lennox International
LII
$14.4B
$8.89M 3.55%
15,505
+75
+0.5% +$41.9K
MLM icon
8
Martin Marietta Materials
MLM
$31.5B
$8.67M 3.47%
15,798
-35
-0.2% -$18.5K
LIN icon
9
Linde
LIN
$221B
$8.28M 3.31%
17,655
+5
+0% +$2.28K
WTS icon
10
Watts Water Technologies
WTS
$11.5B
$8.13M 3.25%
33,050
-125
-0.4% -$28.1K
ANET icon
11
Arista Networks
ANET
$227B
$6.81M 2.72%
66,600
– –
STE icon
12
Steris
STE
$22.3B
$6.77M 2.71%
28,180
-475
-2% -$111K
SHW icon
13
Sherwin-Williams
SHW
$82.7B
$6.37M 2.55%
18,550
+50
+0.3% +$17.3K
IT icon
14
Gartner
IT
$10.1B
$6.32M 2.53%
15,647
– –
PAYX icon
15
Paychex
PAYX
$41.6B
$6.22M 2.49%
42,753
+214
+0.5% +$32.2K
WAB icon
16
Wabtec
WAB
$49.1B
$6.14M 2.46%
29,335
+625
+2% +$120K
EMR icon
17
Emerson Electric
EMR
$83.9B
$5.87M 2.35%
44,045
-11,438
-21% -$1.31M
ECL icon
18
Ecolab
ECL
$78.1B
$5.84M 2.33%
21,660
– –
ANSS
19
DELISTED
Ansys
ANSS
$5.63M 2.25%
16,040
– –
EW icon
20
Edwards Lifesciences
EW
$49.6B
$5.51M 2.2%
70,450
-150
-0.2% -$11.2K
FISV
21
Fiserv Inc
FISV
$28.8B
$5.35M 2.14%
31,025
+55
+0.2% +$9.97K
DHR icon
22
Danaher
DHR
$137B
$5.01M 2%
25,363
+75
+0.3% +$14.5K
GEV icon
23
GE Vernova
GEV
$264B
$4.88M 1.95%
9,221
-2,215
-19% -$922K
LH icon
24
Labcorp
LH
$25B
$4.74M 1.89%
18,055
+2,850
+19% +$694K
TMO icon
25
Thermo Fisher Scientific
TMO
$213B
$4.65M 1.86%
11,472
-260
-2% -$109K
1
2 3

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Stone Run Capital's Q2 2025 Portfolio in Review

As of Q2 2025, Stone Run Capital held 72 positions worth $250M, up 5.4% from $237M the previous quarter. Its ten largest holdings account for 38% of the portfolio.

Stone Run Capital's Q2 2025 filing shows 6 new, 20 increased, 21 reduced and 4 closed positions. Its largest new stake was CDW: 1,325 shares worth $237K. The largest sale was Middleby, an estimated $2.16M.

By sector, the portfolio is most concentrated in Technology at 33% of assets, up from 32% a quarter earlier, followed by Industrials and Healthcare.

  • Stone Run Capital's largest Q2 2025 buy was CDW: 1,325 shares worth $237K.
  • Stone Run Capital added most to Corning in Q2 2025, an estimated $2.37M increase.
  • Stone Run Capital's biggest Q2 2025 reduction was Middleby, cutting an estimated $2.16M.
  • Stone Run Capital fully exited Adobe in Q2 2025, selling an estimated $1.31M.
  • Stone Run Capital's ten largest holdings make up 38% of its $250M portfolio in Q2 2025.
  • Stone Run Capital opened 6 new positions and closed 4 in Q2 2025.
  • Stone Run Capital's portfolio value rose 5.4% quarter-over-quarter to $250M.

Based on Stone Run Capital's 13F filing for Q2 2025, filed 14 Aug 2025.