13FBOX
DUDLEY & SHANLEY, INC. · 13F Holdings
Options Calculator Rankings

DUDLEY & SHANLEY, INC.

No.3582
Latest AUM (Q2 2026)
$662.3M
QoQ Change Q1 2026
+$79.7M+13.7%
Holdings
37
New Buys
2
Adds
14
Reduces
12
Exits
1
Unchanged
9
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
WHEATON PRECIOUS METALS CORPWPM
7.71%10.33%$51.1M454,640$60.2M459,385-4,745-1.03%Reduce
AMPHENOL CORPAPH
6.24%5.33%$41.3M234,451$31.1M245,751-11,300-4.60%Reduce
AMETEK INC COMAME
5.1%5.14%$33.8M139,731$30.0M139,746-15-0.01%Reduce
VISA INCV
5.02%5.04%$33.3M96,971$29.4M97,166-195-0.20%Reduce
WWATSCO INCWSO
4.91%3.48%$32.5M78,012$20.3M55,692+22,320+40.08%Add
AON PLC SHS CL AAON
4.45%$29.5M88,807$00+88,807New Buy
ECOLAB INCECL
4.4%4.79%$29.2M104,693$27.9M105,008-315-0.30%Reduce
SERVICE CORP INTLSCI
4.22%5.21%$27.9M367,783$30.3M367,633+150+0.04%Add
ANALOG DEVICES INC COMADI
4.03%5.19%$26.7M67,200$30.3M95,121-27,921-29.35%Reduce
FERGUSON ENTERPRISES INCFERG
3.73%4.17%$24.7M104,225$24.3M104,175+50+0.05%Add
DONALDSON INCDCI
3.69%3.94%$24.4M272,330$22.9M270,405+1,925+0.71%Add
KADANT INCKAI
3.59%3.8%$23.8M75,735$22.1M75,73500.00%Unchanged
FFASTENAL CO COMFAST
3.43%1.44%$22.7M472,440$8.4M181,250+291,190+160.66%Add
AMERICAN WTR WKS CO INC NEWAWK
3.36%3.95%$22.3M169,344$23.0M169,044+300+0.18%Add
SCHWAB CHARLES CORPSCHW
3.36%3.89%$22.2M240,933$22.6M240,93300.00%Unchanged
FEDERAL SIGNAL CORPFSS
3.28%1.16%$21.8M169,285$6.8M62,730+106,555+169.86%Add
XYLEM INCXYL
3.23%1.66%$21.4M181,050$9.7M80,830+100,220+123.99%Add
RROLLINS INC COMROL
3.12%4.18%$20.7M495,655$24.3M455,730+39,925+8.76%Add
KORNIT DIGITAL LTDKRNT
3.08%3.16%$20.4M1.3M$18.4M1.3M+650+0.05%Add
ALLISON TRANSMISSION HLDGS IALSN
2.81%3.31%$18.6M165,037$19.3M164,597+440+0.27%Add
RYAN SPECIALTY HOLDINGS INCRYAN
2.65%2.78%$17.6M465,146$16.2M480,021-14,875-3.10%Reduce
PROGRESSIVE CORPPGR
2.19%2.26%$14.5M66,280$13.1M66,28000.00%Unchanged
DANAHER CORP DEL COMDHR
2.13%3.74%$14.1M74,024$21.8M114,881-40,857-35.56%Reduce
NEXGEN ENERGY LTDNXE
1.74%2.44%$11.5M1.2M$14.2M1.2M+1,000+0.08%Add
BBADGER METER INCBMI
1.41%3.19%$9.3M63,000$18.6M122,150-59,150-48.42%Reduce
AGILENT TECHNOLOGIES INC COMA
1.39%1.08%$9.2M69,500$6.3M55,200+14,300+25.91%Add
WATERS CORPWAT
1.34%0.6%$8.8M23,590$3.5M11,720+11,870+101.28%Add
HEICO CORP NEWHEI
1.05%0.92%$6.9M19,500$5.3M19,50000.00%Unchanged
FFISERV INCFISV
0.82%1.38%$5.4M110,558$8.0M143,923-33,365-23.18%Reduce
GENERAC HLDGS INCGNRC
0.71%0.66%$4.7M16,150$3.8M19,650-3,500-17.81%Reduce
PFIZER INCPFE
0.6%$4.0M165,000$00+165,000New Buy
MICROSOFT CORPMSFT
0.6%0.67%$3.9M10,569$3.9M10,56900.00%Unchanged
ORMAT TECHNOLOGIES INCORA
0.43%0.54%$2.8M26,100$3.1M28,000-1,900-6.79%Reduce
ROPER TECHNOLOGIES INCROP
0.1%0.12%$676,7802,000$707,7202,00000.00%Unchanged
VIPER ENERGY INCVNOM
0.05%0.06%$326,4807,700$361,8237,70000.00%Unchanged
AATHA ENERGY ORDSASKF
0.01%0.01%$51,99174,500$43,77974,50000.00%Unchanged
SStallion Uranium CorpSTLNF
<0.01%0.01%$25,377180,000$60,628180,00000.00%Unchanged

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow