DUDLEY & SHANLEY, INC. Long-Term Concentrated

Location: Palm Beach, FL

CIK: 0000883511 · Show all filings

Period: Q4 2024 (← Previous) (Next →)

Filing Date: Jan 3, 2025

Total Value: $648M (100.0% shares, 0.0% debt)

Holdings (37)

WPM Wheaton Precious Mtls 10.2%

Value $65.75M Shares 1,169,040 Est. Cost $26.64 Unrealized +131.2%

FISV Fiserv Inc. 5.6%

Value $36.28M Shares 176,623 Est. Cost $51.63 Unrealized +295.4%

— Aon plc 5.2%

Value $33.7M Shares 93,827 Est. Cost $172.84 Unrealized —

V Visa Inc. 4.8%

Value $30.86M Shares 97,636 Est. Cost $208.01 Unrealized +43.4%

APH Amphenol Corp. 4.7%

Value $30.49M Shares 438,950 Est. Cost $49.89 Unrealized +39.0%

SCI Service Corp. Int'l 4.6%

Value $29.78M Shares 373,053 Est. Cost $38.46 Unrealized +112.7%

RYAN Ryan Specialty Hldngs 4.6%

Value $29.6M Shares 461,381 Est. Cost $38.14 Unrealized +82.5%

ADI Analog Devices 4.0%

Value $26.06M Shares 122,656 Est. Cost $183.47 Unrealized +18.2%

WST West Pharm Svcs Inc 4.0%

Value $25.77M Shares 78,661 Est. Cost $321.01 Unrealized -2.3%

AME Ametek Inc. 3.9%

Value $25.11M Shares 139,316 Est. Cost $125.21 Unrealized +44.3%

DHR Danaher Corp. 3.9%

Value $25.08M Shares 109,257 Est. Cost $170.27 Unrealized +43.3%

ECL Ecolab Inc. 3.8%

Value $24.57M Shares 104,853 Est. Cost $96.52 Unrealized +154.4%

AVTR Avantor Inc. 3.5%

Value $22.88M Shares 1,086,127 Est. Cost $23.34 Unrealized -3.6%

ROL Rollins, Inc. 3.3%

Value $21.12M Shares 455,750 Est. Cost $39.72 Unrealized +21.6%

PGR Progressive Corp. 3.1%

Value $20.24M Shares 84,460 Est. Cost $63.46 Unrealized +265.5%

AWK Amer. Water Works 3.1%

Value $20.03M Shares 160,894 Est. Cost $136.66 Unrealized -3.9%

DOX Amdocs Ltd. 3.0%

Value $19.19M Shares 225,381 Est. Cost $83.67 Unrealized +1.8%

FERG Ferguson Enterprises 2.9%

Value $18.98M Shares 109,375 Est. Cost $194.48 Unrealized 0.0%

DCI Donaldson Co., Inc. 2.8%

Value $18.1M Shares 268,750 Est. Cost $72.11 Unrealized +0.1%

SCHW Charles Schwab 2.7%

Value $17.79M Shares 240,383 Est. Cost $65.84 Unrealized +12.1%

ALSN Allison Transmission 2.7%

Value $17.73M Shares 164,097 Est. Cost $38.61 Unrealized +179.2%

FELE Franklin Elec. Co., Inc. 2.7%

Value $17.67M Shares 181,361 Est. Cost $87.79 Unrealized +16.8%

WSO Watsco, Inc. 1.9%

Value $12.04M Shares 25,403 Est. Cost $295.85 Unrealized +71.2%

KAI Kadant Inc. 1.7%

Value $11.21M Shares 32,500 Est. Cost $284.79 Unrealized +26.7%

KRNT Kornit Digital 1.3%

Value $8.419M Shares 272,025 Est. Cost $20.41 Unrealized +40.5%

NXE NexGen Energy Ltd. 1.3%

Value $8.152M Shares 1,236,500 Est. Cost $1.31 Unrealized +475.9%

A Agilent Tech, Inc. 1.0%

Value $6.61M Shares 49,200 Est. Cost $135.59 Unrealized +0.2%

GRID First Trust Cln Edge 0.9%

Value $5.597M Shares 46,900 Est. Cost $105.12 Unrealized —

MSFT Microsoft Corp. 0.8%

Value $4.87M Shares 11,554 Est. Cost $90.57 Unrealized +366.3%

HEI HEICO Corp. 0.7%

Value $4.648M Shares 19,550 Est. Cost $167.85 Unrealized +54.4%

GNRC Generac Holdings 0.5%

Value $3.047M Shares 19,650 Est. Cost $113.74 Unrealized +51.9%

PHO Invesco Water ETF 0.3%

Value $2.157M Shares 32,780 Est. Cost $53.35 Unrealized —

ORA Ormat Technologies 0.3%

Value $2.093M Shares 30,900 Est. Cost $68.71 Unrealized +11.7%

ROP Roper Technologies 0.2%

Value $1.326M Shares 2,550 Est. Cost $268.84 Unrealized +102.5%

— Enphase Energy, Inc. 0.1%

Value $467K Shares 6,800 Est. Cost $124.16 Unrealized —

OCUL Ocular Therapeutix 0.0%

Value $138K Shares 16,200 Est. Cost $6.17 Unrealized +58.1%

SASKF ATHA Energy Corp. 0.0%

Value $7,399 Shares 19,000 Est. Cost $0.77 Unrealized -38.7%

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
WPM	Wheaton Precious Mtls	1,169,040	$65.75M	10.2%	$26.64	+131.2%	COM	962879102
FISV	Fiserv Inc.	176,623	$36.28M	5.6%	$51.63	+295.4%	COM	337738108
—	Aon plc	93,827	$33.7M	5.2%	$172.84	—	COM	g0403h108
V	Visa Inc.	97,636	$30.86M	4.8%	$208.01	+43.4%	COM	92826C839
APH	Amphenol Corp.	438,950	$30.49M	4.7%	$49.89	+39.0%	COM	032095101
SCI	Service Corp. Int'l	373,053	$29.78M	4.6%	$38.46	+112.7%	COM	817565104
RYAN	Ryan Specialty Hldngs	461,381	$29.6M	4.6%	$38.14	+82.5%	COM	78351F107
ADI	Analog Devices	122,656	$26.06M	4.0%	$183.47	+18.2%	COM	032654105
WST	West Pharm Svcs Inc	78,661	$25.77M	4.0%	$321.01	-2.3%	COM	955306105
AME	Ametek Inc.	139,316	$25.11M	3.9%	$125.21	+44.3%	COM	031100100
DHR	Danaher Corp.	109,257	$25.08M	3.9%	$170.27	+43.3%	COM	235851102
ECL	Ecolab Inc.	104,853	$24.57M	3.8%	$96.52	+154.4%	COM	278865100
AVTR	Avantor Inc.	1,086,127	$22.88M	3.5%	$23.34	-3.6%	COM	05352A100
ROL	Rollins, Inc.	455,750	$21.12M	3.3%	$39.72	+21.6%	COM	775711104
PGR	Progressive Corp.	84,460	$20.24M	3.1%	$63.46	+265.5%	COM	743315103
AWK	Amer. Water Works	160,894	$20.03M	3.1%	$136.66	-3.9%	COM	030420103
DOX	Amdocs Ltd.	225,381	$19.19M	3.0%	$83.67	+1.8%	COM	G02602103
FERG	Ferguson Enterprises	109,375	$18.98M	2.9%	$194.48	0.0%	COM	31488V107
DCI	Donaldson Co., Inc.	268,750	$18.1M	2.8%	$72.11	+0.1%	COM	257651109
SCHW	Charles Schwab	240,383	$17.79M	2.7%	$65.84	+12.1%	COM	808513105
ALSN	Allison Transmission	164,097	$17.73M	2.7%	$38.61	+179.2%	COM	01973R101
FELE	Franklin Elec. Co., Inc.	181,361	$17.67M	2.7%	$87.79	+16.8%	COM	353514102
WSO	Watsco, Inc.	25,403	$12.04M	1.9%	$295.85	+71.2%	COM	942622200
KAI	Kadant Inc.	32,500	$11.21M	1.7%	$284.79	+26.7%	COM	48282T104
KRNT	Kornit Digital	272,025	$8.419M	1.3%	$20.41	+40.5%	COM	M6372Q113
NXE	NexGen Energy Ltd.	1,236,500	$8.152M	1.3%	$1.31	+475.9%	COM	65340P106
A	Agilent Tech, Inc.	49,200	$6.61M	1.0%	$135.59	+0.2%	COM	00846U101
GRID	First Trust Cln Edge	46,900	$5.597M	0.9%	$105.12	—	COM	33737A108
MSFT	Microsoft Corp.	11,554	$4.87M	0.8%	$90.57	+366.3%	COM	594918104
HEI	HEICO Corp.	19,550	$4.648M	0.7%	$167.85	+54.4%	COM	422806109
GNRC	Generac Holdings	19,650	$3.047M	0.5%	$113.74	+51.9%	COM	368736104
PHO	Invesco Water ETF	32,780	$2.157M	0.3%	$53.35	—	COM	46137V142
ORA	Ormat Technologies	30,900	$2.093M	0.3%	$68.71	+11.7%	COM	686688102
ROP	Roper Technologies	2,550	$1.326M	0.2%	$268.84	+102.5%	COM	776696106
—	Enphase Energy, Inc.	6,800	$467K	0.1%	$124.16	—	COM	29355a107
OCUL	Ocular Therapeutix	16,200	$138K	0.0%	$6.17	+58.1%	COM	67576A100
SASKF	ATHA Energy Corp.	19,000	$7,399	0.0%	$0.77	-38.7%	COM	046824108