DUDLEY & SHANLEY, INC. Q4 2025 Filing

Filed January 9, 2026

Portfolio Value

$622.2M

Holdings

33

Report Date

Q4 2025

Filing Type

13F-HR

All Holdings (33 positions)

#StockSharesValue% PortfolioType
1
WPMWheaton Precious Mtls
668,605$78.6M12.63%
2
APHAmphenol Corp.
282,911$38.2M6.14%
3
VVisa Inc.
97,216$34.1M5.48%
4
ADIAnalog Devices
125,021$33.9M5.45%
5
AONAon plc
88,782$31.3M5.04%
6
AMEAmetek Inc.
139,796$28.7M4.61%
7
SCIService Corp. Int'l
367,633$28.7M4.61%
8
ECLEcolab Inc.
105,058$27.6M4.43%
9
ROLRollins, Inc.
455,730$27.4M4.40%
10
DHRDanaher Corp.
114,881$26.3M4.23%
11
RYANRyan Specialty Hldngs
477,671$24.7M3.96%
12
SCHWCharles Schwab
240,933$24.1M3.87%
13
DCIDonaldson Co., Inc.
270,405$24.0M3.85%
14
FERGFerguson Enterprises
104,175$23.2M3.73%
15
AWCAmer. Water Works
169,044$22.1M3.55%
16
WSOWatsco, Inc.
55,692$18.8M3.02%
17
ALSNAllison Transmission
164,597$16.1M2.59%
18
KAIKadant Inc.
55,120$15.7M2.52%
19
PGRProgressive Corp.
66,280$15.1M2.43%
20
BMIBadger Meter Inc
82,695$14.4M2.32%
21
KRNTKornit Digital
901,960$13.0M2.08%
22
NXENexGen Energy Ltd.
1,235,150$11.4M1.83%
23
FISVFiserv Inc.
143,923$9.7M1.55%
24
ROPRoper Technologies
17,455$7.8M1.25%
25
AG8Agilent Tech, Inc.
55,200$7.5M1.21%
26
HEIHEICO Corp.
19,500$6.3M1.01%
27
MSFTMicrosoft Corp.
10,569$5.1M0.82%
28
HNMOrmat Technologies
28,000$3.1M0.50%
29
GNRCGenerac Holdings
19,650$2.7M0.43%
30
PHOInvesco Water ETF
32,780$2.3M0.37%
31
VNOMViper Energy Inc
7,700$297K0.05%
32
FASTFastenal Co.
7,150$286K0.05%
33
STUDStallion Uranium Corp
85,000$20K0.00%