Dudley & Shanley, Inc. Portfolio Stock Holdings
According to the SEC 13F filed on July 9, 2026, Dudley & Shanley, Inc. disclosed 33 stock positions valued at approximately $662.29M as of quarter-end June 30, 2026. The largest holdings include Wheaton Precious Mtls, Amphenol Corp., and Ametek Inc..
- Report Period
- June 30, 2026
- No. of Stocks
- 33
- Portfolio Value
- $662.29M
Holdings by Sector
Dudley & Shanley, Inc. Portfolio Holdings in Q2 2026
| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| Wheaton Precious Mtls | WPM | Basic Materials | 7.71% | 454,640 | -4,745 | -1.03% | $51,065,165 |
| Amphenol Corp. | APH | Technology | 6.24% | 234,451 | -11,300 | -4.60% | $41,338,400 |
| Ametek Inc. | AME | Industrials | 5.10% | 139,731 | -15 | -0.01% | $33,806,518 |
| Visa Inc. | V | Financial Services | 5.02% | 96,971 | -195 | -0.20% | $33,269,780 |
| Watsco, Inc. | WSO | Industrials | 4.91% | 78,012 | +22,320 | +40.08% | $32,509,941 |
| Ecolab Inc. | ECL | Basic Materials | 4.40% | 104,693 | -315 | -0.30% | $29,168,517 |
| Service Corp. Int'l | SCI | Consumer Cyclical | 4.22% | 367,783 | +150 | +0.04% | $27,936,797 |
| Analog Devices | ADI | Technology | 4.03% | 67,200 | -27,921 | -29.35% | $26,689,824 |
| Ferguson Enterprises | FERG | Industrials | 3.73% | 104,225 | +50 | +0.05% | $24,735,719 |
| Donaldson Co., Inc. | DCI | Industrials | 3.69% | 272,330 | +1,925 | +0.71% | $24,447,064 |
| Kadant Inc. | KAI | Industrials | 3.59% | 75,735 | - | - | $23,798,209 |
| Fastenal Co. | FAST | Industrials | 3.43% | 472,440 | +291,190 | +160.66% | $22,691,293 |
| Amer. Water Works | AWK | Utilities | 3.36% | 169,344 | +300 | +0.18% | $22,282,284 |
| Charles Schwab | SCHW | Financial Services | 3.36% | 240,933 | - | - | $22,230,888 |
| Federal Signal Corp | FSS | Industrials | 3.28% | 169,285 | +106,555 | +169.86% | $21,751,430 |
| Xylem Inc. | XYL | Industrials | 3.23% | 181,050 | +100,220 | +123.99% | $21,401,920 |
| Rollins, Inc. | ROL | Consumer Cyclical | 3.12% | 495,655 | +39,925 | +8.76% | $20,688,640 |
| Kornit Digital | KRNT | Other | 3.08% | 1,255,265 | +650 | +0.05% | $20,398,056 |
| Allison Transmission | ALSN | Consumer Cyclical | 2.81% | 165,037 | +440 | +0.27% | $18,606,271 |
| Ryan Specialty Hldngs | RYAN | Financial Services | 2.65% | 465,146 | -14,875 | -3.10% | $17,563,913 |
| Progressive Corp. | PGR | Financial Services | 2.19% | 66,280 | - | - | $14,478,866 |
| Danaher Corp. | DHR | Healthcare | 2.13% | 74,024 | -40,857 | -35.56% | $14,100,092 |
| NexGen Energy Ltd. | NXE | Energy | 1.74% | 1,225,500 | +1,000 | +0.08% | $11,507,445 |
| Badger Meter Inc | BMI | Technology | 1.41% | 63,000 | -59,150 | -48.42% | $9,347,940 |
| Agilent Tech, Inc. | A | Healthcare | 1.39% | 69,500 | +14,300 | +25.91% | $9,231,685 |
| Waters Corporation | WAT | Healthcare | 1.34% | 23,590 | +11,870 | +101.28% | $8,847,194 |
| HEICO Corp. | HEI | Industrials | 1.05% | 19,500 | - | - | $6,945,705 |
| Fiserv Inc. | FI | Technology | 0.82% | 110,558 | -33,365 | -23.18% | $5,422,870 |
| Generac Holdings | GNRC | Industrials | 0.71% | 16,150 | -3,500 | -17.81% | $4,728,881 |
| Pfizer, Inc. | PFE | Healthcare | 0.60% | 165,000 | +165,000 | +100.00% | $3,973,200 |
Showing 30 of 33 holdings in the latest reporting period.