AI Portfolio Summary
In 2025 Q4, DUDLEY & SHANLEY, INC. maintained a portfolio of 35 distinct positions. The most significant new addition to the portfolio was Badger Meter Inc, which now represents 2.32% of the total fund value. They heavily accumulated shares in Visa Inc., increasing their position by 0.0%. Conversely, DUDLEY & SHANLEY, INC. completely exited their position in Amdocs Ltd..
Total Positions
35
Quarter
2025 Q4
Top Holding
WPM (12.6%)
Top 10 Concentration
57.0%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
1-25 of 35
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
WPM
Wheaton Preciou...
|
Basic Materials | 12.63% | 12.52% |
#1
Prev: #1
|
5.1 | -27,060 | -3.9% |
P
S
|
668,605 | $78,574,460 | 2019 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
APH
Amphenol Corp.
|
Technology | 6.14% | 6.30% |
#2
Prev: #2
|
2.5 | -33,685 | -10.6% |
P
S
|
282,911 | $38,232,593 | 2021 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
V
Visa Inc.
|
Financial Services | 5.48% | 5.34% |
#3
Prev: #3
|
4.2 | 35 | 0.0% |
P
S
|
97,216 | $34,094,623 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ADI
Analog Devices
|
Technology | 5.45% | 4.94% |
#4
2
Prev: #6
|
4.2 | 25 | 0.0% |
P
S
|
125,021 | $33,905,695 | 2016 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AON
Aon plc
|
Financial Services | 5.04% | 5.09% |
#5
1
Prev: #4
|
4.0 | 50 | 0.1% |
P
S
|
88,782 | $31,329,392 | 2020 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AME
Ametek Inc.
|
Industrials | 4.61% | 4.23% |
#6
3
Prev: #9
|
3.8 | 10 | 0.0% |
P
S
|
139,796 | $28,701,517 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SCI
Service Corp. I...
|
Consumer Cyclical | 4.61% | 4.95% |
#7
2
Prev: #5
|
1.8 | -1,800 | -0.5% |
P
S
|
367,633 | $28,664,345 | 2015 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ECL
Ecolab Inc.
|
Basic Materials | 4.43% | 4.63% |
#8
1
Prev: #7
|
3.8 | 75 | 0.1% |
P
S
|
105,058 | $27,579,826 | 2006 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ROL
Rollins, Inc.
|
Consumer Cyclical | 4.40% | 4.31% |
#9
1
Prev: #8
|
3.8 | 80 | 0.0% |
P
S
|
455,730 | $27,352,915 | 2008 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DHR
Danaher Corp.
|
Healthcare | 4.23% | 3.67% |
#10
3
Prev: #13
|
1.7 | -60 | -0.1% |
P
S
|
114,881 | $26,298,559 | 2020 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
RYAN
Ryan Specialty ...
|
Financial Services | 3.96% | 4.19% |
#11
1
Prev: #10
|
3.6 | 15,750 | 3.4% |
P
S
|
477,671 | $24,662,154 | 2021 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SCHW
Charles Schwab
|
Financial Services | 3.87% | 3.70% |
#12
Prev: #12
|
3.5 | 70 | 0.0% |
P
S
|
240,933 | $24,071,616 | 2024 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DCI
Donaldson Co., ...
|
Industrials | 3.85% | 3.56% |
#13
2
Prev: #15
|
1.5 | -180 | -0.1% |
P
S
|
270,405 | $23,974,107 | 2024 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FERG
Ferguson Enterp...
|
Industrials | 3.73% | 2.73% |
#14
4
Prev: #18
|
3.6 | 28,675 | 38.0% |
P
S
|
104,175 | $23,192,480 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AWK
Amer. Water Wor...
|
Utilities | 3.55% | 3.79% |
#15
4
Prev: #11
|
1.4 | -115 | -0.1% |
P
S
|
169,044 | $22,060,242 | 2023 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
WSO
Watsco, Inc.
|
Industrials | 3.02% | 2.56% |
#16
4
Prev: #20
|
3.3 | 16,322 | 41.5% |
P
S
|
55,692 | $18,765,419 | 2014 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ALSN
Allison Transmi...
|
Consumer Cyclical | 2.59% | 2.25% |
#17
5
Prev: #22
|
3.0 | 50 | 0.0% |
P
S
|
164,597 | $16,114,046 | 2021 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
KAI
Kadant Inc.
|
Industrials | 2.52% | 2.64% |
#18
1
Prev: #19
|
1.0 | -55 | -0.1% |
P
S
|
55,120 | $15,710,302 | 2021 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PGR
Progressive Cor...
|
Financial Services | 2.43% | 2.55% |
#19
2
Prev: #21
|
3.0 | 2,025 | 3.2% |
P
S
|
66,280 | $15,093,282 | 2019 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BMI
Badger Meter In...
|
Technology | 2.32% | — |
#20
Prev: #—
|
2.9 | 82,695 | no change |
NEW
|
82,695 | $14,422,835 | 2025 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
KRNT
Kornit Digital
|
Industrials | 2.08% | 2.73% |
#21
4
Prev: #17
|
0.9 | -356,935 | -28.4% |
P
S
|
901,960 | $12,970,185 | 2021 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NXE
NexGen Energy L...
|
Energy | 1.83% | 1.78% |
#22
1
Prev: #23
|
0.7 | no change | no change |
P
S
|
1,235,150 | $11,381,828 | 2014 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FI
Fiserv Inc.
|
Unknown | 1.55% | 3.63% |
#23
9
Prev: #14
|
0.7 | -30,998 | -17.7% |
P
S
|
143,923 | $9,667,308 | 2009 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ROP
Roper Technolog...
|
Technology | 1.25% | 0.20% |
#24
6
Prev: #30
|
2.8 | 14,905 | 584.5% |
P
S
|
17,455 | $7,769,744 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
A
Agilent Tech, I...
|
Healthcare | 1.21% | 1.14% |
#25
1
Prev: #24
|
0.5 | no change | no change |
P
S
|
55,200 | $7,511,064 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DOX
Amdocs Ltd.
|
Technology | 0.00% | 3.25% |
Sold All 😨
(Was: #16) |
0.3 | -246,539 | -100.0% |
CLOSED
|
— | $— | 2022 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
OCUL
Ocular Therapeu...
|
Healthcare | 0.00% | 0.02% |
Sold All 😨
(Was: #31) |
0.3 | -13,000 | -100.0% |
CLOSED
|
— | $— | 2024 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) |
Showing 1-25 of 35 holdings