DUDLEY & SHANLEY, INC. Concentrated Active

Location: Palm Beach, FL

CIK: 0000883511 · Show all filings

Period: Q2 2025 (← Previous) (Next →)

Filing Date: Jul 9, 2025

Total Value: $637M (100.0% shares, 0.0% debt)

Holdings (36)

WPM Wheaton Precious Mtls 10.8%

Value $68.56M Shares 763,475 Share Price $89.80 Est. Cost/Share $26.64 Unrealized @ Report Date +237.0%

APH Amphenol Corp. 6.6%

Value $42.27M Shares 428,000 Share Price $98.75 Est. Cost/Share $49.89 Unrealized @ Report Date +97.3%

V Visa Inc. 5.4%

Value $34.51M Shares 97,211 Share Price $355.05 Est. Cost/Share $208.01 Unrealized @ Report Date +70.1%

— Aon plc 5.0%

Value $31.62M Shares 88,632 Share Price $356.76 Est. Cost/Share $172.84 Unrealized @ Report Date —

RYAN Ryan Specialty Hldngs 4.9%

Value $31.42M Shares 462,071 Share Price $67.99 Est. Cost/Share $38.14 Unrealized @ Report Date +78.2%

SCI Service Corp. Int'l 4.7%

Value $30.04M Shares 369,033 Share Price $81.40 Est. Cost/Share $38.46 Unrealized @ Report Date +111.7%

ADI Analog Devices 4.6%

Value $29.27M Shares 122,976 Share Price $238.02 Est. Cost/Share $183.47 Unrealized @ Report Date +28.8%

FISV Fiserv Inc. 4.6%

Value $29.2M Shares 169,344 Share Price $172.41 Est. Cost/Share $61.49 Unrealized @ Report Date +180.4%

ECL Ecolab Inc. 4.4%

Value $28.29M Shares 104,983 Share Price $269.44 Est. Cost/Share $96.52 Unrealized @ Report Date +177.7%

ROL Rollins, Inc. 4.0%

Value $25.78M Shares 456,900 Share Price $56.42 Est. Cost/Share $39.72 Unrealized @ Report Date +41.2%

AME Ametek Inc. 4.0%

Value $25.28M Shares 139,686 Share Price $180.96 Est. Cost/Share $125.21 Unrealized @ Report Date +44.1%

AWK Amer. Water Works 3.5%

Value $22.44M Shares 161,304 Share Price $139.11 Est. Cost/Share $136.66 Unrealized @ Report Date +0.6%

DOX Amdocs Ltd. 3.5%

Value $22.44M Shares 245,901 Share Price $91.24 Est. Cost/Share $83.79 Unrealized @ Report Date +7.5%

SCHW Charles Schwab 3.5%

Value $21.99M Shares 240,963 Share Price $91.24 Est. Cost/Share $65.84 Unrealized @ Report Date +37.8%

DHR Danaher Corp. 3.4%

Value $21.64M Shares 109,552 Share Price $197.54 Est. Cost/Share $170.27 Unrealized @ Report Date +15.7%

WSO Watsco, Inc. 2.8%

Value $17.59M Shares 39,833 Share Price $441.62 Est. Cost/Share $356.62 Unrealized @ Report Date +23.8%

KAI Kadant Inc. 2.8%

Value $17.52M Shares 55,175 Share Price $317.45 Est. Cost/Share $295.94 Unrealized @ Report Date +6.9%

PGR Progressive Corp. 2.7%

Value $17.15M Shares 64,255 Share Price $266.86 * Est. Cost/Share $63.46 Unrealized @ Report Date +295.1%

FERG Ferguson Enterprises 2.6%

Value $16.44M Shares 75,500 Share Price $217.75 Est. Cost/Share $194.48 Unrealized @ Report Date +11.1%

ALSN Allison Transmission 2.5%

Value $15.63M Shares 164,547 Share Price $94.99 Est. Cost/Share $38.61 Unrealized @ Report Date +144.4%

FELE Franklin Elec. Co., Inc. 2.5%

Value $15.61M Shares 173,991 Share Price $89.74 Est. Cost/Share $87.79 Unrealized @ Report Date +1.4%

DCI Donaldson Co., Inc. 2.3%

Value $14.51M Shares 209,185 Share Price $69.35 Est. Cost/Share $72.11 Unrealized @ Report Date -4.8%

KRNT Kornit Digital 2.0%

Value $12.69M Shares 637,300 Share Price $19.91 Est. Cost/Share $20.62 Unrealized @ Report Date -3.4%

NXE NexGen Energy Ltd. 1.3%

Value $8.585M Shares 1,237,000 Share Price $6.94 Est. Cost/Share $1.31 Unrealized @ Report Date +430.0%

GRID First Trust Cln Edge 1.0%

Value $6.52M Shares 46,900 Share Price $139.02 Est. Cost/Share $99.04 Unrealized @ Report Date +40.4%

A Agilent Tech, Inc. 1.0%

Value $6.514M Shares 55,200 Share Price $118.01 Est. Cost/Share $132.85 Unrealized @ Report Date -11.5%

HEI HEICO Corp. 1.0%

Value $6.412M Shares 19,550 Share Price $328.00 Est. Cost/Share $167.85 Unrealized @ Report Date +95.4%

MSFT Microsoft Corp. 0.8%

Value $5.399M Shares 10,854 Share Price $497.41 Est. Cost/Share $90.57 Unrealized @ Report Date +447.2%

GNRC Generac Holdings 0.4%

Value $2.814M Shares 19,650 Share Price $143.21 Est. Cost/Share $113.74 Unrealized @ Report Date +25.9%

ORA Ormat Technologies 0.4%

Value $2.513M Shares 30,000 Share Price $83.76 Est. Cost/Share $68.71 Unrealized @ Report Date +21.6%

PHO Invesco Water ETF 0.4%

Value $2.292M Shares 32,780 Share Price $69.91 Est. Cost/Share $52.99 Unrealized @ Report Date +31.9%

AVTR Avantor Inc. 0.3%

Value $1.763M Shares 131,000 Share Price $13.46 Est. Cost/Share $22.95 Unrealized @ Report Date -41.3%

ROP Roper Technologies 0.2%

Value $1.445M Shares 2,550 Share Price $566.84 Est. Cost/Share $268.84 Unrealized @ Report Date +109.8%

— Enphase Energy, Inc. 0.1%

Value $539K Shares 13,600 Share Price $39.65 Est. Cost/Share $81.91 Unrealized @ Report Date —

OCUL Ocular Therapeutix 0.0%

Value $152K Shares 16,400 Share Price $9.28 Est. Cost/Share $6.19 Unrealized @ Report Date +49.9%

SASKF ATHA Energy Corp. 0.0%

Value $8,495 Shares 19,000 Share Price $0.45 Est. Cost/Share $0.77 Unrealized @ Report Date -41.7%

Ticker	Issuer	Shares	Value	%	Share Price	Est. Cost/Share	Unrealized @ Report Date	Class	CUSIP
WPM	Wheaton Precious Mtls	763,475	$68.56M	10.8%	$89.80	$26.64	+237.0%	COM	962879102
APH	Amphenol Corp.	428,000	$42.27M	6.6%	$98.75	$49.89	+97.3%	COM	032095101
V	Visa Inc.	97,211	$34.51M	5.4%	$355.05	$208.01	+70.1%	COM	92826C839
—	Aon plc	88,632	$31.62M	5.0%	$356.76	$172.84	—	COM	g0403h108
RYAN	Ryan Specialty Hldngs	462,071	$31.42M	4.9%	$67.99	$38.14	+78.2%	COM	78351F107
SCI	Service Corp. Int'l	369,033	$30.04M	4.7%	$81.40	$38.46	+111.7%	COM	817565104
ADI	Analog Devices	122,976	$29.27M	4.6%	$238.02	$183.47	+28.8%	COM	032654105
FISV	Fiserv Inc.	169,344	$29.2M	4.6%	$172.41	$61.49	+180.4%	COM	337738108
ECL	Ecolab Inc.	104,983	$28.29M	4.4%	$269.44	$96.52	+177.7%	COM	278865100
ROL	Rollins, Inc.	456,900	$25.78M	4.0%	$56.42	$39.72	+41.2%	COM	775711104
AME	Ametek Inc.	139,686	$25.28M	4.0%	$180.96	$125.21	+44.1%	COM	031100100
AWK	Amer. Water Works	161,304	$22.44M	3.5%	$139.11	$136.66	+0.6%	COM	030420103
DOX	Amdocs Ltd.	245,901	$22.44M	3.5%	$91.24	$83.79	+7.5%	COM	G02602103
SCHW	Charles Schwab	240,963	$21.99M	3.5%	$91.24	$65.84	+37.8%	COM	808513105
DHR	Danaher Corp.	109,552	$21.64M	3.4%	$197.54	$170.27	+15.7%	COM	235851102
WSO	Watsco, Inc.	39,833	$17.59M	2.8%	$441.62	$356.62	+23.8%	COM	942622200
KAI	Kadant Inc.	55,175	$17.52M	2.8%	$317.45	$295.94	+6.9%	COM	48282T104
PGR	Progressive Corp.	64,255	$17.15M	2.7%	$266.86 *	$63.46	+295.1%	COM	743315103
FERG	Ferguson Enterprises	75,500	$16.44M	2.6%	$217.75	$194.48	+11.1%	COM	31488V107
ALSN	Allison Transmission	164,547	$15.63M	2.5%	$94.99	$38.61	+144.4%	COM	01973R101
FELE	Franklin Elec. Co., Inc.	173,991	$15.61M	2.5%	$89.74	$87.79	+1.4%	COM	353514102
DCI	Donaldson Co., Inc.	209,185	$14.51M	2.3%	$69.35	$72.11	-4.8%	COM	257651109
KRNT	Kornit Digital	637,300	$12.69M	2.0%	$19.91	$20.62	-3.4%	COM	M6372Q113
NXE	NexGen Energy Ltd.	1,237,000	$8.585M	1.3%	$6.94	$1.31	+430.0%	COM	65340P106
GRID	First Trust Cln Edge	46,900	$6.52M	1.0%	$139.02	$99.04	+40.4%	COM	33737A108
A	Agilent Tech, Inc.	55,200	$6.514M	1.0%	$118.01	$132.85	-11.5%	COM	00846U101
HEI	HEICO Corp.	19,550	$6.412M	1.0%	$328.00	$167.85	+95.4%	COM	422806109
MSFT	Microsoft Corp.	10,854	$5.399M	0.8%	$497.41	$90.57	+447.2%	COM	594918104
GNRC	Generac Holdings	19,650	$2.814M	0.4%	$143.21	$113.74	+25.9%	COM	368736104
ORA	Ormat Technologies	30,000	$2.513M	0.4%	$83.76	$68.71	+21.6%	COM	686688102
PHO	Invesco Water ETF	32,780	$2.292M	0.4%	$69.91	$52.99	+31.9%	COM	46137V142
AVTR	Avantor Inc.	131,000	$1.763M	0.3%	$13.46	$22.95	-41.3%	COM	05352A100
ROP	Roper Technologies	2,550	$1.445M	0.2%	$566.84	$268.84	+109.8%	COM	776696106
—	Enphase Energy, Inc.	13,600	$539K	0.1%	$39.65	$81.91	—	COM	29355a107
OCUL	Ocular Therapeutix	16,400	$152K	0.0%	$9.28	$6.19	+49.9%	COM	67576A100
SASKF	ATHA Energy Corp.	19,000	$8,495	0.0%	$0.45	$0.77	-41.7%	COM	046824108