DUDLEY & SHANLEY, INC. Long-Term Concentrated

CIK: 0000883511 · Show all filings

Period: Q4 2024 (← Previous) (Next →)

Filing Date: Jan 3, 2025

Total Value ($000): $647,563 (100.0% shares, 0.0% debt)

Holdings (37)

WPM Wheaton Precious Mtls 10.2%

Value ($000) $65,747 Shares 1,169,040 Est. Cost $26.64 Unrealized +131.2%

FISV Fiserv Inc. 5.6%

Value ($000) $36,282 Shares 176,623 Est. Cost $51.63 Unrealized +295.4%

— Aon plc 5.2%

Value ($000) $33,699 Shares 93,827 Est. Cost $172.84 Unrealized —

V Visa Inc. 4.8%

Value ($000) $30,857 Shares 97,636 Est. Cost $208.01 Unrealized +43.4%

APH Amphenol Corp. 4.7%

Value ($000) $30,485 Shares 438,950 Est. Cost $49.89 Unrealized +39.0%

SCI Service Corp. Int'l 4.6%

Value ($000) $29,777 Shares 373,053 Est. Cost $38.46 Unrealized +112.7%

RYAN Ryan Specialty Hldngs 4.6%

Value ($000) $29,602 Shares 461,381 Est. Cost $38.14 Unrealized +82.5%

ADI Analog Devices 4.0%

Value ($000) $26,059 Shares 122,656 Est. Cost $183.47 Unrealized +18.2%

WST West Pharm Svcs Inc 4.0%

Value ($000) $25,766 Shares 78,661 Est. Cost $321.01 Unrealized -2.3%

AME Ametek Inc. 3.9%

Value ($000) $25,113 Shares 139,316 Est. Cost $125.21 Unrealized +44.3%

DHR Danaher Corp. 3.9%

Value ($000) $25,080 Shares 109,257 Est. Cost $170.27 Unrealized +43.3%

ECL Ecolab Inc. 3.8%

Value ($000) $24,569 Shares 104,853 Est. Cost $96.52 Unrealized +154.4%

AVTR Avantor Inc. 3.5%

Value ($000) $22,885 Shares 1,086,127 Est. Cost $23.34 Unrealized -3.6%

ROL Rollins, Inc. 3.3%

Value ($000) $21,124 Shares 455,750 Est. Cost $39.72 Unrealized +21.6%

PGR Progressive Corp. 3.1%

Value ($000) $20,237 Shares 84,460 Est. Cost $63.46 Unrealized +265.5%

AWK Amer. Water Works 3.1%

Value ($000) $20,030 Shares 160,894 Est. Cost $136.66 Unrealized -3.9%

DOX Amdocs Ltd. 3.0%

Value ($000) $19,189 Shares 225,381 Est. Cost $83.67 Unrealized +1.8%

FERG Ferguson Enterprises 2.9%

Value ($000) $18,984 Shares 109,375 Est. Cost $194.48 Unrealized 0.0%

DCI Donaldson Co., Inc. 2.8%

Value ($000) $18,100 Shares 268,750 Est. Cost $72.11 Unrealized +0.1%

SCHW Charles Schwab 2.7%

Value ($000) $17,791 Shares 240,383 Est. Cost $65.84 Unrealized +12.1%

ALSN Allison Transmission 2.7%

Value ($000) $17,732 Shares 164,097 Est. Cost $38.61 Unrealized +179.2%

FELE Franklin Elec. Co., Inc. 2.7%

Value ($000) $17,674 Shares 181,361 Est. Cost $87.79 Unrealized +16.8%

WSO Watsco, Inc. 1.9%

Value ($000) $12,038 Shares 25,403 Est. Cost $295.85 Unrealized +71.2%

KAI Kadant Inc. 1.7%

Value ($000) $11,212 Shares 32,500 Est. Cost $284.79 Unrealized +26.7%

KRNT Kornit Digital 1.3%

Value ($000) $8,419 Shares 272,025 Est. Cost $20.41 Unrealized +40.5%

NXE NexGen Energy Ltd. 1.3%

Value ($000) $8,152 Shares 1,236,500 Est. Cost $1.31 Unrealized +475.9%

A Agilent Tech, Inc. 1.0%

Value ($000) $6,610 Shares 49,200 Est. Cost $135.59 Unrealized +0.2%

GRID First Trust Cln Edge 0.9%

Value ($000) $5,597 Shares 46,900 Est. Cost $105.12 Unrealized —

MSFT Microsoft Corp. 0.8%

Value ($000) $4,870 Shares 11,554 Est. Cost $90.57 Unrealized +366.3%

HEI HEICO Corp. 0.7%

Value ($000) $4,648 Shares 19,550 Est. Cost $167.85 Unrealized +54.4%

GNRC Generac Holdings 0.5%

Value ($000) $3,047 Shares 19,650 Est. Cost $113.74 Unrealized +51.9%

PHO Invesco Water ETF 0.3%

Value ($000) $2,157 Shares 32,780 Est. Cost $53.35 Unrealized —

ORA Ormat Technologies 0.3%

Value ($000) $2,093 Shares 30,900 Est. Cost $68.71 Unrealized +11.7%

ROP Roper Technologies 0.2%

Value ($000) $1,326 Shares 2,550 Est. Cost $268.84 Unrealized +102.5%

— Enphase Energy, Inc. 0.1%

Value ($000) $467 Shares 6,800 Est. Cost $124.16 Unrealized —

OCUL Ocular Therapeutix 0.0%

Value ($000) $138 Shares 16,200 Est. Cost $6.17 Unrealized +58.1%

SASKF ATHA Energy Corp. 0.0%

Value ($000) $7 Shares 19,000 Est. Cost $0.77 Unrealized -38.7%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
WPM	Wheaton Precious Mtls	1,169,040	$65,747	10.2%	$26.64	+131.2%	COM	962879102
FISV	Fiserv Inc.	176,623	$36,282	5.6%	$51.63	+295.4%	COM	337738108
—	Aon plc	93,827	$33,699	5.2%	$172.84	—	COM	g0403h108
V	Visa Inc.	97,636	$30,857	4.8%	$208.01	+43.4%	COM	92826C839
APH	Amphenol Corp.	438,950	$30,485	4.7%	$49.89	+39.0%	COM	032095101
SCI	Service Corp. Int'l	373,053	$29,777	4.6%	$38.46	+112.7%	COM	817565104
RYAN	Ryan Specialty Hldngs	461,381	$29,602	4.6%	$38.14	+82.5%	COM	78351F107
ADI	Analog Devices	122,656	$26,059	4.0%	$183.47	+18.2%	COM	032654105
WST	West Pharm Svcs Inc	78,661	$25,766	4.0%	$321.01	-2.3%	COM	955306105
AME	Ametek Inc.	139,316	$25,113	3.9%	$125.21	+44.3%	COM	031100100
DHR	Danaher Corp.	109,257	$25,080	3.9%	$170.27	+43.3%	COM	235851102
ECL	Ecolab Inc.	104,853	$24,569	3.8%	$96.52	+154.4%	COM	278865100
AVTR	Avantor Inc.	1,086,127	$22,885	3.5%	$23.34	-3.6%	COM	05352A100
ROL	Rollins, Inc.	455,750	$21,124	3.3%	$39.72	+21.6%	COM	775711104
PGR	Progressive Corp.	84,460	$20,237	3.1%	$63.46	+265.5%	COM	743315103
AWK	Amer. Water Works	160,894	$20,030	3.1%	$136.66	-3.9%	COM	030420103
DOX	Amdocs Ltd.	225,381	$19,189	3.0%	$83.67	+1.8%	COM	G02602103
FERG	Ferguson Enterprises	109,375	$18,984	2.9%	$194.48	0.0%	COM	31488V107
DCI	Donaldson Co., Inc.	268,750	$18,100	2.8%	$72.11	+0.1%	COM	257651109
SCHW	Charles Schwab	240,383	$17,791	2.7%	$65.84	+12.1%	COM	808513105
ALSN	Allison Transmission	164,097	$17,732	2.7%	$38.61	+179.2%	COM	01973R101
FELE	Franklin Elec. Co., Inc.	181,361	$17,674	2.7%	$87.79	+16.8%	COM	353514102
WSO	Watsco, Inc.	25,403	$12,038	1.9%	$295.85	+71.2%	COM	942622200
KAI	Kadant Inc.	32,500	$11,212	1.7%	$284.79	+26.7%	COM	48282T104
KRNT	Kornit Digital	272,025	$8,419	1.3%	$20.41	+40.5%	COM	M6372Q113
NXE	NexGen Energy Ltd.	1,236,500	$8,152	1.3%	$1.31	+475.9%	COM	65340P106
A	Agilent Tech, Inc.	49,200	$6,610	1.0%	$135.59	+0.2%	COM	00846U101
GRID	First Trust Cln Edge	46,900	$5,597	0.9%	$105.12	—	COM	33737A108
MSFT	Microsoft Corp.	11,554	$4,870	0.8%	$90.57	+366.3%	COM	594918104
HEI	HEICO Corp.	19,550	$4,648	0.7%	$167.85	+54.4%	COM	422806109
GNRC	Generac Holdings	19,650	$3,047	0.5%	$113.74	+51.9%	COM	368736104
PHO	Invesco Water ETF	32,780	$2,157	0.3%	$53.35	—	COM	46137V142
ORA	Ormat Technologies	30,900	$2,093	0.3%	$68.71	+11.7%	COM	686688102
ROP	Roper Technologies	2,550	$1,326	0.2%	$268.84	+102.5%	COM	776696106
—	Enphase Energy, Inc.	6,800	$467	0.1%	$124.16	—	COM	29355a107
OCUL	Ocular Therapeutix	16,200	$138	0.0%	$6.17	+58.1%	COM	67576A100
SASKF	ATHA Energy Corp.	19,000	$7	0.0%	$0.77	-38.7%	COM	046824108