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Portfolio (Quarterly) Guide ↗

DUDLEY & SHANLEY, INC.

· CIK 0000883511
13F Portfolio $611.2B AUM 38 positions Filed Apr 8, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 4 New 5 Added 5 Reduced
Page 1 of 2  ·  37 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1 WPM Wheaton Precious Mtls Basic Materials 459,385.0 $60.2M 9.85% -209K -31.3% $131.01 +6.3%
2 APH Amphenol Corp. Technology 245,751.0 $31.1M 5.08% -37K -13.1% $126.35 -1.1%
3 SCI Service Corp. Int'l Consumer Cyclical 367,633.0 $30.3M 4.96% $82.51 -5.1%
4 ADI Analog Devices Technology 95,121.0 $30.3M 4.95% -30K -23.9% $318.14 +31.2%
5 AME Ametek Inc. Industrials 139,746.0 $30.0M 4.90% $214.36 +6.3%
6 V Visa Inc. Financial Services 97,166.0 $29.4M 4.80% $302.24 +6.7%
7 AON Aon plc Financial Services 88,782.0 $28.7M 4.69% $322.78 -1.7%
8 ECL Ecolab Inc. Basic Materials 105,008.0 $27.9M 4.57% $266.02 -6.4%
9 ROL Rollins, Inc. Consumer Cyclical 455,730.0 $24.3M 3.98% $53.41 +0.0%
10 FERG Ferguson Enterprises Industrials 104,175.0 $24.3M 3.98% $233.26 -0.5%
11 AWK Amer. Water Works Utilities 169,044.0 $23.0M 3.76% $136.09 -8.7%
12 DCI Donaldson Co., Inc. Industrials 270,405.0 $22.9M 3.75% $84.87 -1.2%
13 SCHW Charles Schwab Financial Services 240,933.0 $22.6M 3.70% $93.98 -4.8%
14 KAI Kadant Inc. Industrials 75,735.0 $22.1M 3.62% +21K +37.4% $292.35 +10.3%
15 DHR Danaher Corp. Healthcare 114,881.0 $21.8M 3.56% $189.60 -13.2%
16 WSO Watsco, Inc. Industrials 55,692.0 $20.3M 3.31% $363.79 +14.4%
17 ALSN Allison Transmission Consumer Cyclical 164,597.0 $19.3M 3.15% $117.06 -0.1%
18 BMI Badger Meter Inc Technology 122,150.0 $18.6M 3.04% +39K +47.7% $152.35 -25.0%
19 KRNT Kornit Digital Industrials 1,254,615.0 $18.4M 3.01% +353K +39.1% $14.66 +8.0%
20 RYAN Ryan Specialty Hldngs Financial Services 480,021.0 $16.2M 2.65% $33.74 -10.3%
Page 1 of 2  ·  37 positions

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Industrials 28.4%
Financial Services 18.1%
Technology 15.1%
Basic Materials 14.5%
Consumer Cyclical 12.1%
Healthcare 5.2%
Utilities 4.3%
Energy 2.4%