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CIK: 0000883511
Total reported value
$662.3M
$662.3M
33 檔
32.6%
According to the latest 13F quarterly dataset, Dudley & Shanley, Inc. managed an equity portfolio of $662.3M at the end of Q4 2025, spanning 33 distinct U.S. exchange-listed positions.
In Q4 2025, Dudley & Shanley, Inc. displayed an active expansion posture, initiating 3 new positions and adding to 14 existing holdings, outstripping position reductions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | WPM | Wheaton Precious Metals CORP | Stock-Materials | 12.63% | -2.14% | -3.89% | |
| 2 | APH | Amphenol Corp-cl A | Stock-Tech | 6.14% | +1.16% | -10.64% | |
| 3 | V | Visa Inc-class A Shares | Stock-Financials | 5.48% | +0.22% | +0.04% | |
| 4 | ADI | Analog Devices Inc | Stock-Tech | 5.45% | -0.92% | +0.02% | |
| 5 | ✓ | Stock-Other | 5.04% | -0.24% | +0.06% | ||
| 6 | AME | Ametek Inc | Stock-Industrials | 4.61% | +0.20% | +0.01% | |
| 7 | SCI | Service CORP International | Stock-Consumer Disc | 4.61% | -0.74% | -0.49% | |
| 8 | ECL | Ecolab Inc | Stock-Materials | 4.43% | -0.17% | +0.07% | |
| 9 | ROL | Rollins Inc | Stock-Consumer Disc | 4.40% | -0.86% | +0.02% | |
| 10 | DHR | Danaher CORP | Stock-Healthcare | 4.23% | -1.43% | -0.05% | |
| 11 | RYAN | Ryan Specialty Holdings Inc | Stock-Financials | 3.96% | — | +3.41% | |
| 12 | SCHW | Schwab (charles) CORP | Stock-Financials | 3.87% | -0.34% | +0.03% | |
| 13 | DCI | Donaldson Co Inc | Stock-Industrials | 3.85% | -0.06% | -0.07% | |
| 14 | FERG | Ferguson Enterprises Inc | Stock-Industrials | 3.73% | -0.25% | +37.98% | |
| 15 | AWK | American Water Works Co Inc | Stock-Utilities | 3.55% | -0.40% | -0.07% | |
| 16 | WSO | Watsco Inc | Stock-Industrials | 3.02% | +1.60% | +41.46% | |
| 17 | ALSN | Allison Transmission Holding | Stock-Consumer Disc | 2.59% | -0.34% | +0.03% | |
| 18 | KAI | Kadant Inc | Stock-Other | 2.52% | -0.03% | -0.10% | |
| 19 | PGR | Progressive CORP | Stock-Financials | 2.43% | +0.04% | +3.15% | |
| 20 | BMI | Badger Meter Inc | Stock-Tech | 2.32% | -1.63% | — | |
| 21 | KRNT | Kornit Digital Ltd. | Stock-Other | 2.08% | +0.07% | -28.35% | |
| 22 | NXE | Nexgen Energy LTD | Stock-Other | 1.83% | -0.58% | — | |
| 23 | FISV | Fiserv Inc | Stock-Other | 1.55% | -0.49% | -17.72% | |
| 24 | ROP | Roper Technologies Inc | Stock-Tech | 1.25% | -0.02% | +584.51% | |
| 25 | A | Agilent Technologies Inc | Stock-Healthcare | 1.21% | +0.36% | — | |
| 26 | HEI | Heico CORP | Stock-Industrials | 1.01% | +0.18% | — | |
| 27 | MSFT | Microsoft CORP | Stock-Tech | 0.82% | -0.04% | -2.63% | |
| 28 | ORA | Ormat Technologies Inc | Stock-Utilities | 0.50% | -0.08% | -7.28% | |
| 29 | GNRC | Generac Holdings Inc | Stock-Industrials | 0.43% | +0.08% | — | |
| 30 | PHO | Invesco Water Resources ETF | ETF-Other | 0.37% | -0.36% | EXIT | |
| 31 | VNOM | Viper Energy Inc-cl A | Stock-Energy | 0.05% | -0.01% | — | |
| 32 | FAST | Fastenal Co | Stock-Industrials | 0.05% | +2.05% | — | |
| 33 | STLNF | Stallion Uranium CORP | Stock-Other | — | -0.01% | +183.33% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | ROP | Roper Technologies Inc | +1.1% | +584.51% | Add |
| 2 | FERG | Ferguson Enterprises Inc | +1% | +37.98% | Add |
| 3 | DHR | Danaher CORP | +0.6% | -0.05% | Trim |
| 4 | ADI | Analog Devices Inc | +0.5% | +0.02% | Add |
| 5 | WSO | Watsco Inc | +0.5% | +41.46% | Add |
| 6 | AME | Ametek Inc | +0.4% | +0.01% | Add |
| 7 | ALSN | Allison Transmission Holding | +0.3% | +0.03% | Add |
| 8 | DCI | Donaldson Co Inc | +0.3% | -0.07% | Trim |
| 9 | SCHW | Schwab (charles) CORP | +0.2% | +0.03% | Add |
| 10 | V | Visa Inc-class A Shares | +0.1% | +0.04% | Add |
| 11 | WPM | Wheaton Precious Metals CORP | +0.1% | -3.89% | Trim |
| 12 | ROL | Rollins Inc | +0.1% | +0.02% | Add |
| 13 | A | Agilent Technologies Inc | +0.1% | — | Unchanged |
| 14 | NXE | Nexgen Energy LTD | +0.1% | — | Unchanged |
| 15 | ORA | Ormat Technologies Inc | 0% | -7.28% | Trim |
| 16 | HEI | Heico CORP | — | — | Unchanged |
| 17 | STLNF | Stallion Uranium CORP | — | +183.33% | Add |
| 18 | PHO | Invesco Water Resources ETF | 0% | — | Unchanged |
| 19 | ✓ | -0.1% | +0.06% | Add | |
| 20 | MSFT | Microsoft CORP | -0.1% | -2.63% | Trim |
| 21 | GNRC | Generac Holdings Inc | -0.1% | — | Unchanged |
| 22 | PGR | Progressive CORP | -0.1% | +3.15% | Add |
| 23 | KAI | Kadant Inc | -0.1% | -0.10% | Trim |
| 24 | APH | Amphenol Corp-cl A | -0.2% | -10.64% | Trim |
| 25 | ECL | Ecolab Inc | -0.2% | +0.07% | Add |
| 26 | RYAN | Ryan Specialty Holdings Inc | -0.2% | +3.41% | Add |
| 27 | AWK | American Water Works Co Inc | -0.2% | -0.07% | Trim |
| 28 | SCI | Service CORP International | -0.3% | -0.49% | Trim |
| 29 | KRNT | Kornit Digital Ltd. | -0.7% | -28.35% | Trim |
| 30 | FISV | Fiserv Inc | -2.1% | -17.72% | Trim |
| 31 | DOX | Amdocs Limited | — | EXIT | Sold out |
| 32 | BMI | Badger Meter Inc | — | NEW | New buy |
| 33 | VNOM | Viper Energy Inc-cl A | — | NEW | New buy |
| 34 | FAST | Fastenal Co | — | NEW | New buy |
| 35 | OCUL | Ocular Therapeutix Inc | — | EXIT | Sold out |
According to official SEC Form 13F filings, Dudley & Shanley, Inc. reported a total U.S. public equity portfolio value of $662.3M across 33 disclosed positions in Q4 2025.
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In terms of portfolio concentration, the top 5 core holdings (including WPM, APH, V) accounted for 32.6% of total reported equity market value during Q4 2025.
Top New Position Initiated
BMI
市值: $14.4M
Top Position Liquidated / Trimmed
DOX
前期市值: $20.2M
During Q4 2025, Dudley & Shanley, Inc.'s top holdings by market value included WPM (12.6%)、APH (6.1%)、V (5.5%). The largest single position, WPM, represented 12.6% of total portfolio value.
In Q4 2025, Dudley & Shanley, Inc. made 30 total portfolio adjustments, initiating 3 new buys, adding to 14 positions, trimming 11 holdings, and fully liquidating 2 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
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