DS

Dudley & Shanley Portfolio holdings

AUM $629M Turnover 7.89%
1-Year Est. Return 7.61%
This Fund
S&P 500
This Quarter Est. Return
+0.33%
1 Year Est. Return
+7.61%
3 Year Est. Return
+67.9%
5 Year Est. Return
+91.16%
10 Year Est. Return
+296.72%
AUM
$629M
AUM Growth
-$33.1M
Cap. Flow
-$19.6M
Cap. Flow %
-3.11%
Top 10 Hldgs %
46.38%
Holding
38
New
1
Increased
7
Reduced
21
Closed
2
Avg Time Held
4.7 years
Top 10 Avg Time Held
3.6 years
Top 20 Avg Time Held
3.5 years

Top Buys

Rank Stock Value
1
TYL icon
Tyler Technologies
TYL
+$21.2M
2
ROP icon
Roper Technologies
ROP
+$21.2M
3
PGR icon
Progressive
PGR
+$8.18M
4
BMI icon
Badger Meter
BMI
+$2.91M
5
ALSN icon
Allison Transmission
ALSN
+$1.24M

Top Sells

Rank Stock Value
1
ROL icon
Rollins
ROL
+$20.7M
2
APH icon
Amphenol
APH
+$13M
3
WSO icon
Watsco Inc
WSO
+$8.84M
4
V icon
Visa
V
+$4.59M
5
WPM icon
Wheaton Precious Metals
WPM
+$4.4M

Sector Composition

Rank Sector Weight
1 Industrials 31.58%
2 Financials 18.03%
3 Technology 17.62%
4 Materials 13.28%
5 Consumer Discretionary 7.3%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
WPM icon
1
Wheaton Precious Metals
WPM
$58.4B
$56.4M 8.96%
421,408
-33,232
-7% -$4.4M
2019 Q3
28 quarters
AME icon
2
Ametek
AME
$56.4B
$31.5M 5.01%
127,243
-12,488
-9% -$3.02M
2018 Q1
34 quarters
V icon
3
Visa
V
$735B
$30.3M 4.82%
84,419
-12,552
-13% -$4.59M
2021 Q4
19 quarters
ECL icon
4
Ecolab
ECL
$80.4B
$27.2M 4.32%
99,043
-5,650
-5% -$1.57M
2013 Q2
53 quarters
SCI icon
5
Service Corp International
SCI
$10.8B
$26.1M 4.14%
342,425
-25,358
-7% -$2.06M
2015 Q1
46 quarters
APH icon
6
Amphenol
APH
$204B
$25.9M 4.12%
307,828
-161,074
-34% -$13M
2022 Q4
15 quarters
ADI icon
7
Analog Devices
ADI
$196B
$25.6M 4.08%
64,639
-2,561
-4% -$965K
2023 Q1
14 quarters
AON icon
8
Aon
AON
$58.5B
$23.6M 3.75%
85,202
-3,605
-4% -$1.22M
2013 Q3
52 quarters
DCI icon
9
Donaldson
DCI
$10.1B
$22.6M 3.6%
260,170
-12,160
-4% -$1.11M
2024 Q1
10 quarters
FAST icon
10
Fastenal
FAST
$59.5B
$22.5M 3.58%
454,940
-17,500
-4% -$857K
2025 Q4
3 quarters
FERG icon
11
Ferguson
FERG
$42.6B
$22.3M 3.54%
100,032
-4,193
-4% -$971K
2024 Q4
7 quarters
PGR icon
12
Progressive
PGR
$123B
$21.6M 3.43%
104,152
+37,872
+57% +$8.18M
2019 Q4
27 quarters
AWK icon
13
American Water Works
AWK
$26.3B
$20.8M 3.3%
160,550
-8,794
-5% -$1.19M
2023 Q1
14 quarters
SCHW icon
14
Charles Schwab
SCHW
$166B
$20.7M 3.29%
211,965
-28,968
-12% -$3.05M
2024 Q1
10 quarters
TYL icon
15
Tyler Technologies
TYL
$14.3B
$20.5M 3.26%
+64,400
New +$21.2M
2026 Q3
0 quarters
ROP icon
16
Roper Technologies
ROP
$36.7B
$20M 3.18%
57,325
+55,325
+2,766% +$21.2M
2018 Q1
34 quarters
ALSN icon
17
Allison Transmission
ALSN
$9.05B
$19.9M 3.16%
175,274
+10,237
+6% +$1.24M
2021 Q2
21 quarters
KRNT icon
18
Kornit Digital
KRNT
$706M
$19.4M 3.09%
1,168,545
-86,720
-7% -$1.39M
2022 Q4
15 quarters
FSS icon
19
Federal Signal
FSS
$6.9B
$19.3M 3.06%
174,050
+4,765
+3% +$570K
2026 Q1
2 quarters
KAI icon
20
Kadant
KAI
$3.01B
$19M 3.03%
72,782
-2,953
-4% -$890K
2022 Q4
15 quarters
XYL icon
21
Xylem
XYL
$23.9B
$17.2M 2.74%
170,310
-10,740
-6% -$1.23M
2026 Q1
2 quarters
RYAN icon
22
Ryan Specialty Holdings
RYAN
$4.61B
$17.2M 2.74%
465,889
+743
+0.2% +$30.8K
2021 Q4
19 quarters
DHR icon
23
Danaher
DHR
$158B
$15.8M 2.51%
71,195
-2,829
-4% -$581K
2020 Q1
26 quarters
WSO icon
24
Watsco Inc
WSO
$12.2B
$15.6M 2.48%
51,565
-26,447
-34% -$8.84M
2023 Q1
14 quarters
NXE icon
25
NexGen Energy
NXE
$5.3B
$11.2M 1.78%
1,225,500
– –
2017 Q2
37 quarters
1
2

Similar funds

PPC
Park Place Capital Homewood, Alabama $629M AUM 18.27% 1-Year Est. Return
SFO
Stenger Family Office Naperville, Illinois $629M AUM 25.67% 1-Year Est. Return
FAM
Formidable Asset Management Cincinnati, Ohio $629M AUM 15.56% 1-Year Est. Return
SJIC
St. James Investment Company Southlake, Texas $630M AUM 12.48% 1-Year Est. Return
TECP
Trails Edge Capital Partners Atlanta, Georgia $630M AUM
DLCIG
D.L. Carlson Investment Group Concord, New Hampshire $628M AUM 32.93% 1-Year Est. Return
RC
RBO & Co Saint Helena, California $628M AUM 8.06% 1-Year Est. Return
MSA
Marino Stram & Associates Braintree, Massachusetts $628M AUM 23.07% 1-Year Est. Return

Dudley & Shanley's Q3 2026 Portfolio in Review

As of Q3 2026, Dudley & Shanley held 38 positions worth $629M, down 5% from $662M the previous quarter. Its ten largest holdings account for 46% of the portfolio.

Dudley & Shanley withdrew a net $19.6M in Q3 2026, closing 2 positions and reducing 21 holdings. Its most notable exit was Rollins, an estimated $20.7M position sold in full.

By sector, the portfolio is most concentrated in Industrials at 32% of assets, down from 36% a quarter earlier, followed by Financials and Technology.

Against the trend, Dudley & Shanley opened a new position in Tyler Technologies worth $20.5M.

  • Dudley & Shanley's largest Q3 2026 buy was Tyler Technologies: 64,400 shares worth $20.5M.
  • Dudley & Shanley added most to Roper Technologies in Q3 2026, an estimated $21.2M increase.
  • Dudley & Shanley's biggest Q3 2026 reduction was Amphenol, cutting an estimated $13M.
  • Dudley & Shanley fully exited Rollins in Q3 2026, selling an estimated $20.7M.
  • Dudley & Shanley's ten largest holdings make up 46% of its $629M portfolio in Q3 2026.
  • Dudley & Shanley opened 1 new position and closed 2 in Q3 2026.
  • Dudley & Shanley's portfolio value fell 5% quarter-over-quarter to $629M.

Based on Dudley & Shanley's 13F filing for Q3 2026, filed 6 Oct 2026.