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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
+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
TECH icon
26
Bio-Techne
TECH
$11.2B
$4.35M 1.71%
78,195
-45
-0.1% -$2.41K
GOOGL icon
27
Alphabet (Google) Class A
GOOGL
$4.53T
$4.22M 1.66%
17,350
+2,000
+13% +$419K
NDSN icon
28
Nordson
NDSN
$16.9B
$4.16M 1.64%
18,315
-2,164
-11% -$477K
IT icon
29
Gartner
IT
$10.1B
$4.1M 1.62%
15,602
-45
-0.3% -$13.1K
BDX icon
30
Becton Dickinson
BDX
$46.8B
$3.96M 1.56%
21,139
-3,249
-13% -$604K
MKC icon
31
McCormick & Company Non-Voting
MKC
$14.1B
$3.95M 1.56%
59,050
-700
-1% -$49K
SNPS icon
32
Synopsys
SNPS
$74.1B
$3.7M 1.46%
7,498
+6,248
+500% +$3.53M
FISV
33
Fiserv Inc
FISV
$29.1B
$3.69M 1.45%
28,625
-2,400
-8% -$344K
ENTG icon
34
Entegris
ENTG
$18.4B
$3.68M 1.45%
39,830
+6,650
+20% +$566K
RVTY icon
35
Revvity
RVTY
$12.8B
$3.44M 1.36%
39,283
-150
-0.4% -$13.6K
TER icon
36
Teradyne
TER
$55.3B
$2.81M 1.11%
20,450
-150
-0.7% -$16.4K
PANW icon
37
Palo Alto Networks
PANW
$274B
$2.75M 1.08%
13,500
+2,575
+24% +$493K
VLTO icon
38
Veralto
VLTO
$23B
$2.22M 0.87%
20,824
-7,300
-26% -$770K
PTC icon
39
PTC
PTC
$16.3B
$1.87M 0.74%
9,230
+250
+3% +$51K
EPAM icon
40
EPAM Systems
EPAM
$5.51B
$1.83M 0.72%
12,140
-660
-5% -$108K
AAPL icon
41
Apple
AAPL
$4.49T
$1.78M 0.7%
6,980
– –
AXGN icon
42
Axogen
AXGN
$2.42B
$1.69M 0.66%
94,526
+2,500
+3% +$36.3K
AOS icon
43
A.O. Smith
AOS
$8.21B
$1.64M 0.64%
22,300
-4,300
-16% -$307K
BIP icon
44
Brookfield Infrastructure Partners
BIP
$19B
$1.61M 0.63%
48,930
+9
+0% +$283
FTNT icon
45
Fortinet
FTNT
$118B
$1.32M 0.52%
15,650
-200
-1% -$17.8K
ISRG icon
46
Intuitive Surgical
ISRG
$133B
$1.12M 0.44%
2,500
– –
ABBV icon
47
AbbVie
ABBV
$435B
$857K 0.34%
3,700
– –
MMM icon
48
3M
MMM
$92.5B
$650K 0.26%
4,189
– –
RTX icon
49
RTX Corp
RTX
$294B
$598K 0.24%
3,573
– –
ITW icon
50
Illinois Tool Works
ITW
$83.4B
$508K 0.2%
1,950
– –
1
2
3

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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.