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DS

Dudley & Shanley Portfolio holdings

AUM $662M
1-Year Est. Return 10.7%
This Fund
S&P 500
This Quarter Est. Return
-0.39%
1 Year Est. Return
+10.7%
3 Year Est. Return
+57.04%
5 Year Est. Return
+90.57%
10 Year Est. Return
+304.94%
AUM
$611M
AUM Growth
-$11M
Cap. Flow
-$2.05M
Cap. Flow %
-0.34%
Top 10 Hldgs %
51.76%
Holding
37
New
4
Increased
6
Reduced
8
Closed
–

Top Buys

Rank Stock Value
1
XYL icon
Xylem
XYL
+$10.6M
2
FAST icon
Fastenal
FAST
+$7.81M
3
FSS icon
Federal Signal
FSS
+$7.09M
4
KAI icon
Kadant
KAI
+$6.62M
5
BMI icon
Badger Meter
BMI
+$6.19M

Top Sells

Rank Stock Value
1
WPM icon
Wheaton Precious Metals
WPM
+$29.1M
2
ADI icon
Analog Devices
ADI
+$9.51M
3
ROP icon
Roper Technologies
ROP
+$5.7M
4
APH icon
Amphenol
APH
+$5.23M
5
NXE icon
NexGen Energy
NXE
+$127K

Sector Composition

Rank Sector Weight
1 Industrials 28.15%
2 Financials 18%
3 Technology 15.15%
4 Materials 14.42%
5 Consumer Discretionary 12.1%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
WPM icon
1
Wheaton Precious Metals
WPM
$69.6B
$60.2M 9.85%
459,385
-209,220
-31% -$29.1M
APH icon
2
Amphenol
APH
$194B
$31.1M 5.08%
245,751
-37,160
-13% -$5.23M
SCI icon
3
Service Corp International
SCI
$11.4B
$30.3M 4.96%
367,633
– –
ADI icon
4
Analog Devices
ADI
$175B
$30.3M 4.95%
95,121
-29,900
-24% -$9.51M
AME icon
5
Ametek
AME
$54.2B
$30M 4.9%
139,746
-50
-0% -$11.1K
V icon
6
Visa
V
$712B
$29.4M 4.8%
97,166
-50
-0.1% -$16.1K
AON icon
7
Aon
AON
$75.4B
$28.7M 4.69%
88,782
– –
ECL icon
8
Ecolab
ECL
$80.4B
$27.9M 4.57%
105,008
-50
-0% -$14.1K
ROL icon
9
Rollins
ROL
$17.5B
$24.3M 3.98%
455,730
– –
FERG icon
10
Ferguson
FERG
$44.2B
$24.3M 3.98%
104,175
– –
AWK icon
11
American Water Works
AWK
$27.5B
$23M 3.76%
169,044
– –
DCI icon
12
Donaldson
DCI
$10.7B
$22.9M 3.75%
270,405
– –
SCHW
13
Charles Schwab
SCHW
$191B
$22.6M 3.7%
240,933
– –
KAI icon
14
Kadant
KAI
$3.57B
$22.1M 3.62%
75,735
+20,615
+37% +$6.62M
DHR icon
15
Danaher
DHR
$152B
$21.8M 3.56%
114,881
– –
WSO icon
16
Watsco Inc
WSO
$12.8B
$20.3M 3.31%
55,692
– –
ALSN icon
17
Allison Transmission
ALSN
$10.4B
$19.3M 3.15%
164,597
– –
BMI icon
18
Badger Meter
BMI
$3.93B
$18.6M 3.04%
122,150
+39,455
+48% +$6.19M
KRNT icon
19
Kornit Digital
KRNT
$718M
$18.4M 3.01%
1,254,615
+352,655
+39% +$5.16M
RYAN icon
20
Ryan Specialty Holdings
RYAN
$11.2B
$16.2M 2.65%
480,021
+2,350
+0.5% +$100K
NXE icon
21
NexGen Energy
NXE
$6.97B
$14.2M 2.32%
1,224,500
-10,650
-0.9% -$127K
PGR icon
22
Progressive
PGR
$127B
$13.1M 2.15%
66,280
– –
XYL icon
23
Xylem
XYL
$26B
$9.66M 1.58%
+80,830
New +$10.6M
FAST icon
24
Fastenal
FAST
$57.1B
$8.41M 1.38%
181,250
+174,100
+2,435% +$7.81M
FISV
25
Fiserv Inc
FISV
$28.3B
$8.03M 1.31%
143,923
– –
1
2

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WA
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OMC
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CA
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PCWA
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CGIM
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Dudley & Shanley's Q1 2026 Portfolio in Review

As of Q1 2026, Dudley & Shanley held 37 positions worth $611M, down 1.8% from $622M the previous quarter. Its ten largest holdings account for 52% of the portfolio.

Dudley & Shanley's Q1 2026 filing shows 4 new, 6 increased and 8 reduced positions. Its largest new stake was Xylem: 80,830 shares worth $9.66M. The largest sale was Wheaton Precious Metals, an estimated $29.1M.

By sector, the portfolio is most concentrated in Industrials at 28% of assets, up from 21% a quarter earlier, followed by Financials and Technology.

  • Dudley & Shanley's largest Q1 2026 buy was Xylem: 80,830 shares worth $9.66M.
  • Dudley & Shanley added most to Fastenal in Q1 2026, an estimated $7.81M increase.
  • Dudley & Shanley's biggest Q1 2026 reduction was Wheaton Precious Metals, cutting an estimated $29.1M.
  • Dudley & Shanley's ten largest holdings make up 52% of its $611M portfolio in Q1 2026.
  • Dudley & Shanley opened 4 new positions and closed 0 in Q1 2026.
  • Dudley & Shanley's portfolio value fell 1.8% quarter-over-quarter to $611M.

Based on Dudley & Shanley's 13F filing for Q1 2026, filed 8 Apr 2026.