Latest DUDLEY & SHANLEY, INC. Stock Portfolio
DUDLEY & SHANLEY, INC. Performance:
2025 Q3: 1.24%YTD: 5.15%2024: 7.43%
Performance for 2025 Q3 is 1.24%, and YTD is 5.15%, and 2024 is 7.43%.
About DUDLEY & SHANLEY, INC. and 13F Hedge Fund Stock Holdings
DUDLEY & SHANLEY, INC. is a hedge fund based in PALM BEACH, FL. On 17-Mar-2023, the fund reported that it had an AUM (Regulated Assets under Management) of $610.8 Millions. In it's latest 13F Holdings report, DUDLEY & SHANLEY, INC. reported an equity portfolio of $621.5 Millions as of 30 Sep, 2025.
The top stock holdings of DUDLEY & SHANLEY, INC. are , APH, V. The fund has invested 12.5% of it's portfolio in WHEATON PRECIOUS MTLS and 6.3% of portfolio in AMPHENOL CORP.
The fund managers got completely rid off FRANKLIN ELEC. CO., INC. (FELE), FIRST TRUST CLN EDGE (GRID) and AVANTOR INC. (AVTR) stocks. They significantly reduced their stock positions in AMPHENOL CORP. (APH), OCULAR THERAPEUTIX (OCUL) and WHEATON PRECIOUS MTLS. DUDLEY & SHANLEY, INC. opened new stock positions in STALLION URANIUM CORP. The fund showed a lot of confidence in some stocks as they added substantially to KORNIT DIGITAL, DONALDSON CO., INC. (DCI) and DANAHER CORP. (DHR).
The top stock holdings of DUDLEY & SHANLEY, INC. are , APH, V. The fund has invested 12.5% of it's portfolio in WHEATON PRECIOUS MTLS and 6.3% of portfolio in AMPHENOL CORP.
The fund managers got completely rid off FRANKLIN ELEC. CO., INC. (FELE), FIRST TRUST CLN EDGE (GRID) and AVANTOR INC. (AVTR) stocks. They significantly reduced their stock positions in AMPHENOL CORP. (APH), OCULAR THERAPEUTIX (OCUL) and WHEATON PRECIOUS MTLS. DUDLEY & SHANLEY, INC. opened new stock positions in STALLION URANIUM CORP. The fund showed a lot of confidence in some stocks as they added substantially to KORNIT DIGITAL, DONALDSON CO., INC. (DCI) and DANAHER CORP. (DHR).
DUDLEY & SHANLEY, INC. Annual Return Estimates Vs S&P 500
Our best estimate is that DUDLEY & SHANLEY, INC. made a return of 1.24% in the last quarter. In trailing 12 months, it's portfolio return was 3.38%.
New Buys
| Ticker | $ Bought |
|---|---|
| stallion uranium corp | 9,600 |
New stocks bought by DUDLEY & SHANLEY, INC.
Additions
| Ticker | % Inc. |
|---|---|
| kornit digital | 97.54 |
| donaldson co., inc. | 29.35 |
| danaher corp. | 4.92 |
| amer. water works | 4.87 |
| fiserv inc. | 3.29 |
| analog devices | 1.64 |
| ormat technologies | 0.67 |
| amdocs ltd. | 0.26 |
Additions to existing portfolio by DUDLEY & SHANLEY, INC.
Reductions
| Ticker | % Reduced |
|---|---|
| amphenol corp. | -26.03 |
| ocular therapeutix | -20.73 |
| wheaton precious mtls | -8.88 |
| watsco, inc. | -1.16 |
| rollins, inc. | -0.27 |
| heico corp. | -0.26 |
| nexgen energy ltd. | -0.15 |
| charles schwab | -0.04 |
DUDLEY & SHANLEY, INC. reduced stake in above stock
Sold off
| Ticker | $ Sold |
|---|---|
| franklin elec. co., inc. | -15,614,000 |
| avantor inc. | -1,763,260 |
| first trust cln edge | -6,520,040 |
| atha energy corp. | -8,495 |
| enphase energy, inc. | -539,240 |
DUDLEY & SHANLEY, INC. got rid off the above stocks
Sector Distribution
DUDLEY & SHANLEY, INC. has about 27% of it's holdings in Others sector.
| Sector | % |
|---|---|
| Others | 27 |
| Financial Services | 20.9 |
| Industrials | 14.5 |
| Technology | 12.4 |
| Consumer Cyclical | 11.5 |
| Healthcare | 4.8 |
| Basic Materials | 4.6 |
| Utilities | 4.3 |
Market Cap. Distribution
DUDLEY & SHANLEY, INC. has about 63.5% of it's portfolio invested in the large-cap and mega-cap stocks.
| Category | % |
|---|---|
| LARGE-CAP | 57.3 |
| UNALLOCATED | 27 |
| MID-CAP | 9.4 |
| MEGA-CAP | 6.2 |
Stocks belong to which Index?
About 54.4% of the stocks held by DUDLEY & SHANLEY, INC. either belong to S&P 500 or RUSSELL 2000 index.
| Index | % |
|---|---|
| S&P 500 | 51.3 |
| Others | 45.5 |
| RUSSELL 2000 | 3.1 |
DUDLEY & SHANLEY, INC. Holdings Map
This heatmap illustrates the top 50 positions within the fund's portfolio.
Current Stock Holdings of DUDLEY & SHANLEY, INC.
DUDLEY & SHANLEY, INC. has 32 stocks in it's portfolio. About 56.5% of the portfolio is in top 10 stocks. RYAN proved to be the most loss making stock for the portfolio. APH was the most profitable stock for DUDLEY & SHANLEY, INC. last quarter.
Last Reported on: 08 Oct, 2025| Ticker | Namesorted ascending | % Portfolio | Shares Held | $ Value | Type | % Change | Options | |
|---|---|---|---|---|---|---|---|---|
| A | agilent tech, inc. | 1.14 | 55,200 | 7,084,920 | unchanged | 0.00 | ||
| ADI | analog devices | 4.94 | 124,996 | 30,711,500 | added | 1.64 | ||
| ALSN | allison transmission | 2.25 | 164,547 | 13,966,700 | unchanged | 0.00 | ||
| AME | ametek inc. | 4.23 | 139,786 | 26,279,800 | added | 0.07 | ||
| AON | aon plc | 5.09 | 88,732 | 31,640,100 | added | 0.11 | ||
| APH | amphenol corp. | 6.30 | 316,596 | 39,178,800 | reduced | -26.03 | ||
| AVTR | avantor inc. | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| AWK | amer. water works | 3.79 | 169,159 | 23,545,200 | added | 4.87 | ||
| CSD | invesco water etf | 0.38 | 32,780 | 2,363,770 | unchanged | 0.00 | ||
| DCI | donaldson co., inc. | 3.56 | 270,585 | 22,147,400 | added | 29.35 | ||
| DHR | danaher corp. | 3.67 | 114,941 | 22,788,200 | added | 4.92 | ||
| ECL | ecolab inc. | 4.63 | 104,983 | 28,750,600 | unchanged | 0.00 | ||
| ENPH | enphase energy, inc. | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| FELE | franklin elec. co., inc. | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| GNRC | generac holdings | 0.53 | 19,650 | 3,289,410 | unchanged | 0.00 | ||
| GRID | first trust cln edge | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| HEI | heico corp. | 1.01 | 19,500 | 6,294,990 | reduced | -0.26 | ||
| KAI | kadant inc. | 2.64 | 55,175 | 16,419,000 | unchanged | 0.00 | ||
| MSFT | microsoft corp. | 0.90 | 10,854 | 5,621,830 | unchanged | 0.00 | ||
| OCUL | ocular therapeutix | 0.02 | 13,000 | 151,970 | reduced | -20.73 | ||