Back to DUDLEY & SHANLEY, INC.
Q2 2026 13F filing
Updated 64 days ago38 disclosed positions worth $662.3M
Portfolio value
$662.3M
Total holdings
38
New positions
1
Closed positions
1
Increased
15
Decreased
12
Turnover
5.3%
Filed
2026-07-09
Full holdings
Every line item disclosed in Q2 2026
| # | Stock | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|---|
| 1 | A APH Amphenol Corp. | $41.3M | 234.5K | 6.24% | Trimmed(-4.6%) |
| 2 | A AME Ametek Inc. | $33.8M | 139.7K | 5.10% | Trimmed(-0.0%) |
| 3 | V V Visa Inc. | $33.3M | 97.0K | 5.02% | Trimmed(-0.2%) |
| 4 | W WPM Wheaton Precious Mtls | $33M | 294.1K | 4.99% | Trimmed(-1.6%) |
| 5 | W WSO-B Watsco, Inc. | $32.5M | 78.0K | 4.91% | Added(+40.1%) |
| 6 | A AON Aon plc | $29.5M | 88.8K | 4.45% | Added(+0.0%) |
| 7 | E ECL Ecolab Inc. | $29.2M | 104.7K | 4.40% | Trimmed(-0.3%) |
| 8 | S SCI Service Corp. Int'l | $27.9M | 367.8K | 4.22% | Added(+0.0%) |
| 9 | A ADI Analog Devices | $26.7M | 67.2K | 4.03% | Trimmed(-29.4%) |
| 10 | F FERG Ferguson Enterprises | $24.7M | 104.2K | 3.73% | Added(+0.1%) |
| 11 | D DCI Donaldson Co., Inc. | $24.4M | 272.3K | 3.69% | Added(+0.7%) |
| 12 | K KAI Kadant Inc. | $23.8M | 75.7K | 3.59% | Unchanged |
| 13 | F FAST Fastenal Co. | $22.7M | 472.4K | 3.43% | Added(+160.7%) |
| 14 | A AWK Amer. Water Works | $22.3M | 169.3K | 3.36% | Added(+0.2%) |
| 15 | S SCHW-PJ Charles Schwab | $22.2M | 240.9K | 3.36% | Unchanged |
| 16 | F FSS Federal Signal Corp | $21.8M | 169.3K | 3.28% | Added(+169.9%) |
| 17 | X XYL Xylem Inc. | $21.4M | 181.1K | 3.23% | Added(+124.0%) |
| 18 | R ROL Rollins, Inc. | $20.7M | 495.7K | 3.12% | Added(+8.8%) |
| 19 | K KRNT Kornit Digital | $20.4M | 1.26M | 3.08% | Added(+0.1%) |
| 20 | A ALSN Allison Transmission | $18.6M | 165.0K | 2.81% | Added(+0.3%) |
| 21 | W WPM Wheaton Precious Mtls | $18M | 160.5K | 2.72% | Trimmed(-46.3%) |
| 22 | R RYAN Ryan Specialty Hldngs | $17.6M | 465.1K | 2.65% | Trimmed(-3.1%) |
| 23 | P PGR Progressive Corp. | $14.5M | 66.3K | 2.19% | Unchanged |
| 24 | D DHR Danaher Corp. | $14.1M | 74.0K | 2.13% | Trimmed(-35.6%) |
| 25 | N NXE NexGen Energy Ltd. | $11.5M | 1.23M | 1.74% | Added(+0.1%) |
| 26 | B BMI Badger Meter Inc | $9.3M | 63.0K | 1.41% | Trimmed(-48.4%) |
| 27 | A A Agilent Tech, Inc. | $9.2M | 69.5K | 1.39% | Added(+25.9%) |
| 28 | W WAT Waters Corporation | $8.8M | 23.6K | 1.34% | Added(+101.3%) |
| 29 | H HEI-A HEICO Corp. | $6.9M | 19.5K | 1.05% | Unchanged |
| 30 | F FISV Fiserv Inc. | $5.4M | 110.6K | 0.82% | Trimmed(-23.2%) |
| 31 | G GNRC Generac Holdings | $4.7M | 16.1K | 0.71% | Trimmed(-17.8%) |
| 32 | P PFE Pfizer, Inc. | $4M | 165.0K | 0.60% | — |
| 33 | M MSFT Microsoft Corp. | $3.9M | 10.6K | 0.60% | Unchanged |
| 34 | ? N/A Ormat Technologies | $2.8M | 26.1K | 0.43% | Trimmed(-6.8%) |
| 35 | R ROP Roper Technologies | $677K | 2.0K | 0.10% | Unchanged |
| 36 | ? N/A Viper Energy Inc | $326K | 7.7K | 0.05% | Unchanged |
| 37 | ? N/A ATHA Energy Corp. | $52K | 74.5K | 0.01% | Unchanged |
| 38 | S STLNF Stallion Uranium Corp | $25K | 180.0K | 0.00% | Unchanged |