DUDLEY & SHANLEY, INC. Concentrated Active

Location: Palm Beach, FL

CIK: 0000883511 · Show all filings

Period: Q1 2025 (← Previous) (Next →)

Filing Date: Apr 9, 2025

Total Value: $635M (100.0% shares, 0.0% debt)

Holdings (36)

WPM Wheaton Precious Mtls 12.4%

Value $78.48M Shares 1,011,010 Share Price $77.63 Est. Cost/Share $26.64 Unrealized @ Report Date +190.2%

— Aon plc 5.6%

Value $35.37M Shares 88,637 Share Price $399.09 Est. Cost/Share $172.84 Unrealized @ Report Date —

FISV Fiserv Inc. 5.4%

Value $34.55M Shares 156,474 Share Price $220.83 Est. Cost/Share $51.63 Unrealized @ Report Date +327.7%

RYAN Ryan Specialty Hldngs 5.4%

Value $34.08M Shares 461,381 Share Price $73.87 Est. Cost/Share $38.14 Unrealized @ Report Date +93.7%

V Visa Inc. 5.4%

Value $34.08M Shares 97,246 Share Price $350.46 Est. Cost/Share $208.01 Unrealized @ Report Date +67.6%

SCI Service Corp. Int'l 4.7%

Value $29.55M Shares 368,393 Share Price $80.20 Est. Cost/Share $38.46 Unrealized @ Report Date +108.6%

APH Amphenol Corp. 4.5%

Value $28.79M Shares 438,940 Share Price $65.59 Est. Cost/Share $49.89 Unrealized @ Report Date +30.8%

ECL Ecolab Inc. 4.2%

Value $26.58M Shares 104,863 Share Price $253.52 Est. Cost/Share $96.52 Unrealized @ Report Date +160.7%

ADI Analog Devices 3.9%

Value $24.76M Shares 122,756 Share Price $201.67 Est. Cost/Share $183.47 Unrealized @ Report Date +8.6%

ROL Rollins, Inc. 3.9%

Value $24.64M Shares 456,100 Share Price $54.03 Est. Cost/Share $39.72 Unrealized @ Report Date +34.8%

AME Ametek Inc. 3.8%

Value $24M Shares 139,426 Share Price $172.14 Est. Cost/Share $125.21 Unrealized @ Report Date +36.8%

PGR Progressive Corp. 3.8%

Value $23.91M Shares 84,480 Share Price $283.01 * Est. Cost/Share $63.46 Unrealized @ Report Date +318.8%

AWK Amer. Water Works 3.7%

Value $23.75M Shares 161,014 Share Price $147.52 Est. Cost/Share $136.66 Unrealized @ Report Date +6.0%

DOX Amdocs Ltd. 3.5%

Value $22.46M Shares 245,411 Share Price $91.50 Est. Cost/Share $83.79 Unrealized @ Report Date +7.2%

DHR Danaher Corp. 3.5%

Value $22.42M Shares 109,342 Share Price $205.00 Est. Cost/Share $170.27 Unrealized @ Report Date +19.8%

AVTR Avantor Inc. 3.0%

Value $19.32M Shares 1,191,617 Share Price $16.21 Est. Cost/Share $22.95 Unrealized @ Report Date -29.4%

SCHW Charles Schwab 3.0%

Value $18.83M Shares 240,563 Share Price $78.28 Est. Cost/Share $65.84 Unrealized @ Report Date +17.9%

FELE Franklin Elec. Co., Inc. 2.6%

Value $16.46M Shares 175,311 Share Price $93.88 Est. Cost/Share $87.79 Unrealized @ Report Date +5.7%

DCI Donaldson Co., Inc. 2.6%

Value $16.43M Shares 244,965 Share Price $67.06 Est. Cost/Share $72.11 Unrealized @ Report Date -8.3%

FERG Ferguson Enterprises 2.6%

Value $16.2M Shares 101,125 Share Price $160.23 Est. Cost/Share $194.48 Unrealized @ Report Date -18.6%

ALSN Allison Transmission 2.5%

Value $15.71M Shares 164,247 Share Price $95.67 Est. Cost/Share $38.61 Unrealized @ Report Date +145.6%

WSO Watsco, Inc. 2.0%

Value $12.93M Shares 25,428 Share Price $508.30 Est. Cost/Share $295.85 Unrealized @ Report Date +71.8%

KAI Kadant Inc. 1.7%

Value $10.96M Shares 32,530 Share Price $336.91 Est. Cost/Share $284.79 Unrealized @ Report Date +17.8%

KRNT Kornit Digital 1.0%

Value $6.128M Shares 321,150 Share Price $19.08 Est. Cost/Share $21.29 Unrealized @ Report Date -10.4%

A Agilent Tech, Inc. 0.9%

Value $5.755M Shares 49,200 Share Price $116.98 Est. Cost/Share $135.59 Unrealized @ Report Date -14.3%

NXE NexGen Energy Ltd. 0.9%

Value $5.552M Shares 1,236,500 Share Price $4.49 Est. Cost/Share $1.31 Unrealized @ Report Date +242.9%

GRID First Trust Cln Edge 0.8%

Value $5.306M Shares 46,900 Share Price $113.13 Est. Cost/Share $99.04 Unrealized @ Report Date +14.2%

HEI HEICO Corp. 0.8%

Value $5.224M Shares 19,550 Share Price $267.19 Est. Cost/Share $167.85 Unrealized @ Report Date +59.2%

MSFT Microsoft Corp. 0.6%

Value $4.074M Shares 10,854 Share Price $375.39 Est. Cost/Share $90.57 Unrealized @ Report Date +312.2%

GNRC Generac Holdings 0.4%

Value $2.489M Shares 19,650 Share Price $126.65 Est. Cost/Share $113.74 Unrealized @ Report Date +11.4%

ORA Ormat Technologies 0.3%

Value $2.123M Shares 30,000 Share Price $70.77 Est. Cost/Share $68.71 Unrealized @ Report Date +2.6%

PHO Invesco Water ETF 0.3%

Value $2.115M Shares 32,780 Share Price $64.52 Est. Cost/Share $52.99 Unrealized @ Report Date +21.8%

ROP Roper Technologies 0.2%

Value $1.503M Shares 2,550 Share Price $589.58 Est. Cost/Share $268.84 Unrealized @ Report Date +117.9%

— Enphase Energy, Inc. 0.1%

Value $422K Shares 6,800 Share Price $62.05 Est. Cost/Share $124.16 Unrealized @ Report Date —

OCUL Ocular Therapeutix 0.0%

Value $119K Shares 16,200 Share Price $7.33 Est. Cost/Share $6.17 Unrealized @ Report Date +18.8%

SASKF ATHA Energy Corp. 0.0%

Value $6,139 Shares 19,000 Share Price $0.32 Est. Cost/Share $0.77 Unrealized @ Report Date -59.7%

Ticker	Issuer	Shares	Value	%	Share Price	Est. Cost/Share	Unrealized @ Report Date	Class	CUSIP
WPM	Wheaton Precious Mtls	1,011,010	$78.48M	12.4%	$77.63	$26.64	+190.2%	COM	962879102
—	Aon plc	88,637	$35.37M	5.6%	$399.09	$172.84	—	COM	g0403h108
FISV	Fiserv Inc.	156,474	$34.55M	5.4%	$220.83	$51.63	+327.7%	COM	337738108
RYAN	Ryan Specialty Hldngs	461,381	$34.08M	5.4%	$73.87	$38.14	+93.7%	COM	78351F107
V	Visa Inc.	97,246	$34.08M	5.4%	$350.46	$208.01	+67.6%	COM	92826C839
SCI	Service Corp. Int'l	368,393	$29.55M	4.7%	$80.20	$38.46	+108.6%	COM	817565104
APH	Amphenol Corp.	438,940	$28.79M	4.5%	$65.59	$49.89	+30.8%	COM	032095101
ECL	Ecolab Inc.	104,863	$26.58M	4.2%	$253.52	$96.52	+160.7%	COM	278865100
ADI	Analog Devices	122,756	$24.76M	3.9%	$201.67	$183.47	+8.6%	COM	032654105
ROL	Rollins, Inc.	456,100	$24.64M	3.9%	$54.03	$39.72	+34.8%	COM	775711104
AME	Ametek Inc.	139,426	$24M	3.8%	$172.14	$125.21	+36.8%	COM	031100100
PGR	Progressive Corp.	84,480	$23.91M	3.8%	$283.01 *	$63.46	+318.8%	COM	743315103
AWK	Amer. Water Works	161,014	$23.75M	3.7%	$147.52	$136.66	+6.0%	COM	030420103
DOX	Amdocs Ltd.	245,411	$22.46M	3.5%	$91.50	$83.79	+7.2%	COM	G02602103
DHR	Danaher Corp.	109,342	$22.42M	3.5%	$205.00	$170.27	+19.8%	COM	235851102
AVTR	Avantor Inc.	1,191,617	$19.32M	3.0%	$16.21	$22.95	-29.4%	COM	05352A100
SCHW	Charles Schwab	240,563	$18.83M	3.0%	$78.28	$65.84	+17.9%	COM	808513105
FELE	Franklin Elec. Co., Inc.	175,311	$16.46M	2.6%	$93.88	$87.79	+5.7%	COM	353514102
DCI	Donaldson Co., Inc.	244,965	$16.43M	2.6%	$67.06	$72.11	-8.3%	COM	257651109
FERG	Ferguson Enterprises	101,125	$16.2M	2.6%	$160.23	$194.48	-18.6%	COM	31488V107
ALSN	Allison Transmission	164,247	$15.71M	2.5%	$95.67	$38.61	+145.6%	COM	01973R101
WSO	Watsco, Inc.	25,428	$12.93M	2.0%	$508.30	$295.85	+71.8%	COM	942622200
KAI	Kadant Inc.	32,530	$10.96M	1.7%	$336.91	$284.79	+17.8%	COM	48282T104
KRNT	Kornit Digital	321,150	$6.128M	1.0%	$19.08	$21.29	-10.4%	COM	M6372Q113
A	Agilent Tech, Inc.	49,200	$5.755M	0.9%	$116.98	$135.59	-14.3%	COM	00846U101
NXE	NexGen Energy Ltd.	1,236,500	$5.552M	0.9%	$4.49	$1.31	+242.9%	COM	65340P106
GRID	First Trust Cln Edge	46,900	$5.306M	0.8%	$113.13	$99.04	+14.2%	COM	33737A108
HEI	HEICO Corp.	19,550	$5.224M	0.8%	$267.19	$167.85	+59.2%	COM	422806109
MSFT	Microsoft Corp.	10,854	$4.074M	0.6%	$375.39	$90.57	+312.2%	COM	594918104
GNRC	Generac Holdings	19,650	$2.489M	0.4%	$126.65	$113.74	+11.4%	COM	368736104
ORA	Ormat Technologies	30,000	$2.123M	0.3%	$70.77	$68.71	+2.6%	COM	686688102
PHO	Invesco Water ETF	32,780	$2.115M	0.3%	$64.52	$52.99	+21.8%	COM	46137V142
ROP	Roper Technologies	2,550	$1.503M	0.2%	$589.58	$268.84	+117.9%	COM	776696106
—	Enphase Energy, Inc.	6,800	$422K	0.1%	$62.05	$124.16	—	COM	29355a107
OCUL	Ocular Therapeutix	16,200	$119K	0.0%	$7.33	$6.17	+18.8%	COM	67576A100
SASKF	ATHA Energy Corp.	19,000	$6,139	0.0%	$0.32	$0.77	-59.7%	COM	046824108