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Dudley & Shanley, Inc.

Q1 2026 Holdings

Filed 2026-04-08 | 38 holdings | $611.2M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Wheaton Precious Mtls(WPM)COM962879102$60.2M459,3859.8%
Amphenol Corp.(APH)COM032095101$31.1M245,7515.1%
Service Corp. Int'l(SCI)COM817565104$30.3M367,6335.0%
Analog Devices(ADI)COM032654105$30.3M95,1215.0%
Ametek Inc.(AME)COM031100100$30.0M139,7464.9%
Visa Inc.(V)COM92826C839$29.4M97,1664.8%
Aon plc(AON)COMG0403H108$28.7M88,7824.7%
Ecolab Inc.(ECL)COM278865100$27.9M105,0084.6%
Rollins, Inc.(ROL)COM775711104$24.3M455,7304.0%
Ferguson Enterprises(FERG)COM31488V107$24.3M104,1754.0%
Amer. Water Works(AWK)COM030420103$23.0M169,0443.8%
Donaldson Co., Inc.(DCI)COM257651109$22.9M270,4053.8%
Charles Schwab(SCHW)COM808513105$22.6M240,9333.7%
Kadant Inc.(KAI)COM48282T104$22.1M75,7353.6%
Danaher Corp.(DHR)COM235851102$21.8M114,8813.6%
Watsco, Inc.(WSO)COM942622200$20.3M55,6923.3%
Allison Transmission(ALSN)COM01973R101$19.3M164,5973.2%
Badger Meter Inc(BMI)COM056525108$18.6M122,1503.0%
Kornit Digital(KRNT)COMM6372Q113$18.4M1,254,6153.0%
Ryan Specialty Hldngs(RYAN)COM78351F107$16.2M480,0212.6%
NexGen Energy Ltd.(NXE)COM65340P106$14.2M1,224,5002.3%
Progressive Corp.(PGR)COM743315103$13.1M66,2802.1%
Xylem Inc.(XYL)COM98419M100$9.7M80,8301.6%
Fastenal Co.(FAST)COM311900104$8.4M181,2501.4%
Fiserv Inc.(FISV)COM337738108$8.0M143,9231.3%
Federal Signal Corp(FSS)COM313855108$6.8M62,7301.1%
Agilent Tech, Inc.(A)COM00846U101$6.3M55,2001.0%
Heico Corp.(HEI)COM422806109$5.3M19,5000.9%
Microsoft Corp.(MSFT)COM594918104$3.9M10,5690.6%
Generac Holdings(GNRC)COM368736104$3.8M19,6500.6%
Waters Corporation(WAT)COM941848103$3.5M11,7200.6%
Ormat Technologies(ORA)COM686688102$3.1M28,0000.5%
Invesco Water ETF(PHO)COM46137V142$2.2M32,7800.4%
Roper Technologies(ROP)COM776696106$707.7K2,0000.1%
Viper Energy Inc(VNOM)COM64361Q101$361.8K7,7000.1%
Stallion Uranium Corp(STLNF)COM852919208$60.6K180,0000.0%
Atha Energy Corp.(SASKF)COM046824108$43.8K74,5000.0%