13F HOLDINGS REPORT
DUDLEY & SHANLEY, INC.
Quarter ended Q2 2025 · Filed July 9, 2025 · Accession 0000883511-25-000006
Total Value
$636.8M
Positions
37
Other Managers
0
Confidential Omitted
No
Holdings (37)
| # | Issuer | Ticker / CUSIP | Shares | Value | % of Filing |
|---|---|---|---|---|---|
| 1 | Wheaton Precious Mtls | WPM | 547,390 | $49.2M | 7.72% |
| 2 | Amphenol Corp. | 032095101 | 428,000 | $42.3M | 6.64% |
| 3 | Visa Inc. | V | 97,211 | $34.5M | 5.42% |
| 4 | Aon plc | AON | 88,632 | $31.6M | 4.97% |
| 5 | Ryan Specialty Hldngs | RYAN | 462,071 | $31.4M | 4.93% |
| 6 | Service Corp. Int'l | 817565104 | 369,033 | $30.0M | 4.72% |
| 7 | Analog Devices | ADI | 122,976 | $29.3M | 4.60% |
| 8 | Fiserv Inc. | FISV | 169,344 | $29.2M | 4.58% |
| 9 | Ecolab Inc. | ECL | 104,983 | $28.3M | 4.44% |
| 10 | Rollins, Inc. | ROL | 456,900 | $25.8M | 4.05% |
| 11 | Ametek Inc. | AME | 139,686 | $25.3M | 3.97% |
| 12 | Amer. Water Works | 030420103 | 161,304 | $22.4M | 3.52% |
| 13 | Amdocs Ltd. | DOX | 245,901 | $22.4M | 3.52% |
| 14 | Charles Schwab | SCHW-PJ | 240,963 | $22.0M | 3.45% |
| 15 | Danaher Corp. | 235851102 | 109,552 | $21.6M | 3.40% |
| 16 | Wheaton Precious Mtls | WPM | 216,085 | $19.4M | 3.05% |
| 17 | Watsco, Inc. | WSO-B | 39,833 | $17.6M | 2.76% |
| 18 | Kadant Inc. | KAI | 55,175 | $17.5M | 2.75% |
| 19 | Progressive Corp. | 743315103 | 64,255 | $17.1M | 2.69% |
| 20 | Ferguson Enterprises | FERG | 75,500 | $16.4M | 2.58% |
| 21 | Allison Transmission | ALSN | 164,547 | $15.6M | 2.45% |
| 22 | Franklin Elec. Co., Inc. | FELE | 173,991 | $15.6M | 2.45% |
| 23 | Donaldson Co., Inc. | DCI | 209,185 | $14.5M | 2.28% |
| 24 | Kornit Digital | KRNT | 637,300 | $12.7M | 1.99% |
| 25 | NexGen Energy Ltd. | NXE | 1,237,000 | $8.6M | 1.35% |
| 26 | First Trust Cln Edge | 33737A108 | 46,900 | $6.5M | 1.02% |
| 27 | Agilent Tech, Inc. | A | 55,200 | $6.5M | 1.02% |
| 28 | HEICO Corp. | HEI-A | 19,550 | $6.4M | 1.01% |
| 29 | Microsoft Corp. | MSFT | 10,854 | $5.4M | 0.85% |
| 30 | Generac Holdings | GNRC | 19,650 | $2.8M | 0.44% |
| 31 | Ormat Technologies | ORA | 30,000 | $2.5M | 0.39% |
| 32 | Invesco Water ETF | IVZ | 32,780 | $2.3M | 0.36% |
| 33 | Avantor Inc. | AVTR | 131,000 | $1.8M | 0.28% |
| 34 | Roper Technologies | ROP | 2,550 | $1.4M | 0.23% |
| 35 | Enphase Energy, Inc. | ENPH | 13,600 | $539,240 | 0.08% |
| 36 | Ocular Therapeutix | OCUL | 16,400 | $152,192 | 0.02% |
| 37 | ATHA Energy Corp. | 046824108 | 19,000 | $8,495 | 0.00% |