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Dudley & Shanley, Inc.

Q4 2025 Holdings

Filed 2026-01-09 | 34 holdings | $622.2M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Wheaton Precious Mtls(WPM)COM962879102$78.6M668,60512.6%
Amphenol Corp.(APH)COM032095101$38.2M282,9116.1%
Visa Inc.(V)COM92826C839$34.1M97,2165.5%
Analog Devices(ADI)COM032654105$33.9M125,0215.4%
Aon plc(AON)COMG0403H108$31.3M88,7825.0%
Ametek Inc.(AME)COM031100100$28.7M139,7964.6%
Service Corp. Int'l(SCI)COM817565104$28.7M367,6334.6%
Ecolab Inc.(ECL)COM278865100$27.6M105,0584.4%
Rollins, Inc.(ROL)COM775711104$27.4M455,7304.4%
Danaher Corp.(DHR)COM235851102$26.3M114,8814.2%
Ryan Specialty Hldngs(RYAN)COM78351F107$24.7M477,6714.0%
Charles Schwab(SCHW)COM808513105$24.1M240,9333.9%
Donaldson Co., Inc.(DCI)COM257651109$24.0M270,4053.9%
Ferguson Enterprises(FERG)COM31488V107$23.2M104,1753.7%
Amer. Water Works(AWK)COM030420103$22.1M169,0443.5%
Watsco, Inc.(WSO)COM942622200$18.8M55,6923.0%
Allison Transmission(ALSN)COM01973R101$16.1M164,5972.6%
Kadant Inc.(KAI)COM48282T104$15.7M55,1202.5%
Progressive Corp.(PGR)COM743315103$15.1M66,2802.4%
Badger Meter Inc(BMI)COM056525108$14.4M82,6952.3%
Kornit Digital(KRNT)COMM6372Q113$13.0M901,9602.1%
NexGen Energy Ltd.(NXE)COM65340P106$11.4M1,235,1501.8%
Fiserv Inc.(FISV)COM337738108$9.7M143,9231.6%
Roper Technologies(ROP)COM776696106$7.8M17,4551.2%
Agilent Tech, Inc.(A)COM00846U101$7.5M55,2001.2%
Heico Corp.(HEI)COM422806109$6.3M19,5001.0%
Microsoft Corp.(MSFT)COM594918104$5.1M10,5690.8%
Ormat Technologies(ORA)COM686688102$3.1M28,0000.5%
Generac Holdings(GNRC)COM368736104$2.7M19,6500.4%
Invesco Water ETF(PHO)COM46137V142$2.3M32,7800.4%
Viper Energy Inc(VNOM)COM64361Q101$297.5K7,7000.0%
Fastenal Co.(FAST)COM311900104$286.9K7,1500.0%
Stallion Uranium Corp(STLNF)COM852919208$20.2K85,0000.0%