Harvey Partners, LLC Diversified Active

Location: Tarrytown, NY

CIK: 0001406484 · Show all filings

Period: Q3 2025 (← Previous) (Next →)

Filing Date: Nov 14, 2025

Total Value: $1.125B (100.0% shares, 0.0% debt)

Holdings (46)

NPO ENPRO INC 5.0%

Value $56.27M Shares 249,000 Est. Cost $111.91 Unrealized +92.9%

BWXT BWX TECHNOLOGIES INC 4.7%

Value $53.38M Shares 289,500 Est. Cost $55.00 Unrealized +191.9%

AZZ AZZ INC 4.7%

Value $52.97M Shares 485,414 Est. Cost $42.26 Unrealized +161.6%

GLDD GREAT LAKES DREDGE & DOCK CO 3.9%

Value $44.37M Shares 3,700,551 Est. Cost $10.96 Unrealized +5.7%

ADEA ADEIA INC 3.9%

Value $43.92M Shares 2,614,500 Est. Cost $9.82 Unrealized +50.0%

LASR NLIGHT INC 3.7%

Value $41.41M Shares 1,397,444 Est. Cost $11.53 Unrealized +115.1%

BV BRIGHTVIEW HLDGS INC 3.5%

Value $39.52M Shares 2,949,000 Est. Cost $12.31 Unrealized +20.6%

WCN WASTE CONNECTIONS INC 3.5%

Value $39.38M Shares 224,000 Est. Cost $144.97 Unrealized +25.5%

MTRN MATERION CORP 3.4%

Value $38.42M Shares 318,000 Est. Cost $105.00 Unrealized 0.0%

MKSI MKS INC. 3.2%

Value $35.77M Shares 289,000 Est. Cost $97.20 Unrealized +9.4%

THRM GENTHERM INC 3.1%

Value $34.89M Shares 1,024,500 Est. Cost $36.26 Unrealized -6.7%

NGVT INGEVITY CORP 2.9%

Value $33.17M Shares 601,000 Est. Cost $40.59 Unrealized +28.1%

CALX CALIX INC 2.9%

Value $32.74M Shares 533,500 Est. Cost $35.94 Unrealized +60.2%

AWI ARMSTRONG WORLD INDS INC NEW 2.9%

Value $32.6M Shares 166,300 Est. Cost $75.92 Unrealized +144.4%

MLM MARTIN MARIETTA MATLS INC 2.9%

Value $32.21M Shares 51,100 Est. Cost $500.94 Unrealized +18.7%

BATRK ATLANTA BRAVES HLDGS INC 2.7%

Value $30.84M Shares 741,500 Est. Cost $39.21 Unrealized +12.6%

— MRC GLOBAL INC 2.6%

Value $29.45M Shares 2,042,286 Est. Cost $9.89 Unrealized —

LFUS LITTELFUSE INC 2.5%

Value $28.15M Shares 108,700 Est. Cost $248.04 Unrealized +1.0%

SMG SCOTTS MIRACLE-GRO CO 2.4%

Value $26.85M Shares 471,500 Est. Cost $58.23 Unrealized +5.3%

ULS UL SOLUTIONS INC 2.3%

Value $26.22M Shares 370,000 Est. Cost $45.39 Unrealized +50.2%

CHKP CHECK POINT SOFTWARE TECH LT 2.3%

Value $25.45M Shares 123,000 Est. Cost $152.41 Unrealized +32.2%

ASTE ASTEC INDS INC 2.1%

Value $24.11M Shares 501,000 Est. Cost $36.73 Unrealized +18.5%

VRNS VARONIS SYS INC 2.1%

Value $23.32M Shares 405,800 Est. Cost $25.43 Unrealized +118.2%

RTO RENTOKIL INITIAL PLC 2.0%

Value $22.35M Shares 885,000 Est. Cost $28.54 Unrealized —

— CYBERARK SOFTWARE LTD 1.9%

Value $21.36M Shares 44,200 Est. Cost $212.61 Unrealized —

NOK NOKIA CORP 1.8%

Value $20.64M Shares 4,291,500 Est. Cost $5.26 Unrealized —

THR THERMON GROUP HLDGS INC 1.8%

Value $20.61M Shares 771,500 Est. Cost $18.17 Unrealized +47.9%

CTS CTS CORP 1.8%

Value $19.71M Shares 493,500 Est. Cost $38.37 Unrealized +7.8%

IWM ISHARES TR 1.7%

Value $19.36M Shares 80,000 Est. Cost $215.79 Unrealized —

CWST CASELLA WASTE SYS INC 1.7%

Value $18.6M Shares 196,000 Est. Cost $110.56 Unrealized -8.9%

OEC ORION S.A. 1.6%

Value $18.38M Shares 2,424,995 Est. Cost $16.06 Unrealized -37.0%

MANU MANCHESTER UTD PLC NEW 1.5%

Value $16.69M Shares 1,102,500 Est. Cost $16.14 Unrealized +5.1%

— VIMEO INC 1.4%

Value $15.41M Shares 1,988,500 Est. Cost $3.93 Unrealized —

QQQ INVESCO QQQ TR 1.3%

Value $14.7M Shares 24,480 Est. Cost $565.57 Unrealized —

KN KNOWLES CORP 1.3%

Value $14.51M Shares 622,500 Est. Cost $20.48 Unrealized 0.0%

RSKD RISKIFIED LTD 1.3%

Value $14.48M Shares 3,093,000 Est. Cost $4.83 Unrealized +1.9%

VPG VISHAY PRECISION GROUP INC 1.1%

Value $11.92M Shares 372,000 Est. Cost $30.98 Unrealized -6.6%

MTRX MATRIX SVC CO 1.0%

Value $11.15M Shares 852,381 Est. Cost $7.76 Unrealized +83.0%

DECK DECKERS OUTDOOR CORP 0.9%

Value $10.14M Shares 100,000 Est. Cost $109.07 Unrealized 0.0%

IWM ISHARES TR 0.9%

Value $9.678M Shares 40,000 Est. Cost $215.79 Unrealized —

QQQ INVESCO QQQ TR 0.5%

Value $6.004M Shares 10,000 Est. Cost $565.57 Unrealized —

APLD APPLIED DIGITAL CORP 0.5%

Value $5.735M Shares 250,000 Est. Cost $3.00 Unrealized +394.0%

ICHR ICHOR HOLDINGS 0.3%

Value $3.189M Shares 182,000 Est. Cost $19.00 Unrealized 0.0%

MIAX MIAMI INTL HLDGS INC 0.2%

Value $2.013M Shares 50,000 Est. Cost $36.58 Unrealized 0.0%

SSTI SOUNDTHINKING INC 0.2%

Value $1.804M Shares 149,544 Est. Cost $13.38 Unrealized -7.2%

HBIO HARVARD BIOSCIENCE INC 0.1%

Value $899K Shares 2,050,000 Est. Cost $4.56 Unrealized -89.6%

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
NPO	ENPRO INC	249,000	$56.27M	5.0%	$111.91	+92.9%	COM	29355X107
BWXT	BWX TECHNOLOGIES INC	289,500	$53.38M	4.7%	$55.00	+191.9%	COM	05605H100
AZZ	AZZ INC	485,414	$52.97M	4.7%	$42.26	+161.6%	COM	002474104
GLDD	GREAT LAKES DREDGE & DOCK CO	3,700,551	$44.37M	3.9%	$10.96	+5.7%	COM	390607109
ADEA	ADEIA INC	2,614,500	$43.92M	3.9%	$9.82	+50.0%	COM	00676P107
LASR	NLIGHT INC	1,397,444	$41.41M	3.7%	$11.53	+115.1%	COM	65487K100
BV	BRIGHTVIEW HLDGS INC	2,949,000	$39.52M	3.5%	$12.31	+20.6%	COM	10948C107
WCN	WASTE CONNECTIONS INC	224,000	$39.38M	3.5%	$144.97	+25.5%	COM	94106B101
MTRN	MATERION CORP	318,000	$38.42M	3.4%	$105.00	0.0%	COM	576690101
MKSI	MKS INC.	289,000	$35.77M	3.2%	$97.20	+9.4%	COM	55306N104
THRM	GENTHERM INC	1,024,500	$34.89M	3.1%	$36.26	-6.7%	COM	37253A103
NGVT	INGEVITY CORP	601,000	$33.17M	2.9%	$40.59	+28.1%	COM	45688C107
CALX	CALIX INC	533,500	$32.74M	2.9%	$35.94	+60.2%	COM	13100M509
AWI	ARMSTRONG WORLD INDS INC NEW	166,300	$32.6M	2.9%	$75.92	+144.4%	COM	04247X102
MLM	MARTIN MARIETTA MATLS INC	51,100	$32.21M	2.9%	$500.94	+18.7%	COM	573284106
BATRK	ATLANTA BRAVES HLDGS INC	741,500	$30.84M	2.7%	$39.21	+12.6%	COM SER C	047726302
—	MRC GLOBAL INC	2,042,286	$29.45M	2.6%	$9.89	—	COM	55345K103
LFUS	LITTELFUSE INC	108,700	$28.15M	2.5%	$248.04	+1.0%	COM	537008104
SMG	SCOTTS MIRACLE-GRO CO	471,500	$26.85M	2.4%	$58.23	+5.3%	CL A	810186106
ULS	UL SOLUTIONS INC	370,000	$26.22M	2.3%	$45.39	+50.2%	CLASS A COM SHS	903731107
CHKP	CHECK POINT SOFTWARE TECH LT	123,000	$25.45M	2.3%	$152.41	+32.2%	ORD	M22465104
ASTE	ASTEC INDS INC	501,000	$24.11M	2.1%	$36.73	+18.5%	COM	046224101
VRNS	VARONIS SYS INC	405,800	$23.32M	2.1%	$25.43	+118.2%	COM	922280102
RTO	RENTOKIL INITIAL PLC	885,000	$22.35M	2.0%	$28.54	—	SPONSORED ADR	760125104
—	CYBERARK SOFTWARE LTD	44,200	$21.36M	1.9%	$212.61	—	SHS	M2682V108
NOK	NOKIA CORP	4,291,500	$20.64M	1.8%	$5.26	—	SPONSORED ADR	654902204
THR	THERMON GROUP HLDGS INC	771,500	$20.61M	1.8%	$18.17	+47.9%	COM	88362T103
CTS	CTS CORP	493,500	$19.71M	1.8%	$38.37	+7.8%	COM	126501105
IWM	ISHARES TR	80,000	$19.36M	1.7%	$215.79	—	Put	464287655
CWST	CASELLA WASTE SYS INC	196,000	$18.6M	1.7%	$110.56	-8.9%	CL A	147448104
OEC	ORION S.A.	2,424,995	$18.38M	1.6%	$16.06	-37.0%	COM	L72967109
MANU	MANCHESTER UTD PLC NEW	1,102,500	$16.69M	1.5%	$16.14	+5.1%	ORD CL A	G5784H106
—	VIMEO INC	1,988,500	$15.41M	1.4%	$3.93	—	COMMON STOCK	92719V100
QQQ	INVESCO QQQ TR	24,480	$14.7M	1.3%	$565.57	—	UNIT SER 1	46090E103
KN	KNOWLES CORP	622,500	$14.51M	1.3%	$20.48	0.0%	COM	49926D109
RSKD	RISKIFIED LTD	3,093,000	$14.48M	1.3%	$4.83	+1.9%	SHS CL A	M8216R109
VPG	VISHAY PRECISION GROUP INC	372,000	$11.92M	1.1%	$30.98	-6.6%	COM	92835K103
MTRX	MATRIX SVC CO	852,381	$11.15M	1.0%	$7.76	+83.0%	COM	576853105
DECK	DECKERS OUTDOOR CORP	100,000	$10.14M	0.9%	$109.07	0.0%	COM	243537107
IWM	ISHARES TR	40,000	$9.678M	0.9%	$215.79	—	RUSSELL 2000 ETF	464287655
QQQ	INVESCO QQQ TR	10,000	$6.004M	0.5%	$565.57	—	Put	46090E103
APLD	APPLIED DIGITAL CORP	250,000	$5.735M	0.5%	$3.00	+394.0%	COM NEW	038169207
ICHR	ICHOR HOLDINGS	182,000	$3.189M	0.3%	$19.00	0.0%	SHS	G4740B105
MIAX	MIAMI INTL HLDGS INC	50,000	$2.013M	0.2%	$36.58	0.0%	COM	59356Q108
SSTI	SOUNDTHINKING INC	149,544	$1.804M	0.2%	$13.38	-7.2%	COM	82536T107
HBIO	HARVARD BIOSCIENCE INC	2,050,000	$899K	0.1%	$4.56	-89.6%	COM	416906105