Dudley & Shanley, Inc. Portfolio Stock Holdings
Dudley & Shanley, Inc. disclosed 37 stock positions valued at approximately $611.2 million in its latest SEC 13F filing. The largest holdings include Wheaton Precious Mtls, Amphenol Corp., and Service Corp. Int'l. The filing reflects positions held as of March 31, 2026 and was filed on April 8, 2026.
- Report Period
- March 31, 2026
- No. of Stocks
- 37
- Portfolio Value
- $611.2M
Holdings by Sector
Dudley & Shanley, Inc. Portfolio Holdings in Q1 2026
33 holdings in the latest reporting period.
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| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| Wheaton Precious Mtls | WPM | Basic Materials | 9.85% | 459,385 | -209,220 | -31.29% | $60,184,029 |
| Amphenol Corp. | APH | Technology | 5.08% | 245,751 | -37,160 | -13.13% | $31,050,639 |
| Service Corp. Int'l | SCI | Consumer Cyclical | 4.96% | 367,633 | - | - | $30,333,399 |
| Analog Devices | ADI | Technology | 4.95% | 95,121 | -29,900 | -23.92% | $30,261,795 |
| Ametek Inc. | AME | Industrials | 4.90% | 139,746 | -50 | -0.04% | $29,955,953 |
| Visa Inc. | V | Financial Services | 4.80% | 97,166 | -50 | -0.05% | $29,367,452 |
| Ecolab Inc. | ECL | Basic Materials | 4.57% | 105,008 | -50 | -0.05% | $27,934,228 |
| Rollins, Inc. | ROL | Consumer Cyclical | 3.98% | 455,730 | - | - | $24,340,539 |
| Ferguson Enterprises | FERG | Industrials | 3.98% | 104,175 | - | - | $24,299,860 |
| Amer. Water Works | AWK | Utilities | 3.76% | 169,044 | - | - | $23,005,198 |
| Donaldson Co., Inc. | DCI | Industrials | 3.75% | 270,405 | - | - | $22,949,272 |
| Charles Schwab | SCHW | Financial Services | 3.70% | 240,933 | - | - | $22,642,883 |
| Kadant Inc. | KAI | Industrials | 3.62% | 75,735 | +20,615 | +37.40% | $22,141,127 |
| Danaher Corp. | DHR | Healthcare | 3.56% | 114,881 | - | - | $21,781,438 |
| Watsco, Inc. | WSO | Industrials | 3.31% | 55,692 | - | - | $20,260,193 |
| Allison Transmission | ALSN | Consumer Cyclical | 3.15% | 164,597 | - | - | $19,267,725 |
| Badger Meter Inc | BMI | Technology | 3.04% | 122,150 | +39,455 | +47.71% | $18,609,552 |
| Kornit Digital | KRNT | Other | 3.01% | 1,254,615 | +352,655 | +39.10% | $18,392,656 |
| Ryan Specialty Hldngs | RYAN | Financial Services | 2.65% | 480,021 | +2,350 | +0.49% | $16,195,909 |
| NexGen Energy Ltd. | NXE | Energy | 2.32% | 1,224,500 | -10,650 | -0.86% | $14,204,200 |
| Progressive Corp. | PGR | Financial Services | 2.15% | 66,280 | - | - | $13,139,347 |
| Xylem Inc. | XYL | Industrials | 1.58% | 80,830 | +80,830 | +100.00% | $9,659,185 |
| Fastenal Co. | FAST | Industrials | 1.38% | 181,250 | +174,100 | +2434.97% | $8,410,000 |
| Fiserv Inc. | FI | Technology | 1.31% | 143,923 | - | - | $8,030,903 |
| Federal Signal Corp | FSS | Industrials | 1.11% | 62,730 | +62,730 | +100.00% | $6,783,622 |
| Agilent Tech, Inc. | A | Healthcare | 1.03% | 55,200 | - | - | $6,291,696 |
| HEICO Corp. | HEI | Industrials | 0.87% | 19,500 | - | - | $5,346,900 |
| Microsoft Corp. | MSFT | Technology | 0.64% | 10,569 | - | - | $3,912,327 |
| Generac Holdings | GNRC | Industrials | 0.63% | 19,650 | - | - | $3,838,234 |
| Waters Corporation | WAT | Healthcare | 0.57% | 11,720 | +11,720 | +100.00% | $3,490,216 |
| Ormat Technologies | ORA | Utilities | 0.51% | 28,000 | - | - | $3,133,760 |
| Invesco Water ETF | PHO | Other | 0.36% | 32,780 | - | - | $2,191,671 |
| Roper Technologies | ROP | Technology | 0.12% | 2,000 | -15,455 | -88.54% | $707,720 |