Latest Harvey Partners, LLC Stock Portfolio

$1.26Billion– No. of Holdings #45

Harvey Partners, LLC Performance:

2026 Q1: 9.99%YTD: 9.99%2025: 18.52%

Performance for 2026 Q1 is 9.99%, and YTD is 9.99%, and 2025 is 18.52%.

About Harvey Partners, LLC and 13F Hedge Fund Stock Holdings

On 2026-05-15, the fund reported it's updated stock portfolio. In the 13F Holdings report, Harvey Partners, LLC reported an equity portfolio of $1.3 Billions as of 31 Mar, 2026.

The top stock holdings of Harvey Partners, LLC are , NPO, MKSI. The fund has invested 5.3% of it's portfolio in ADEIA INC and 5.1% of portfolio in ENPRO INC.

The fund managers got completely rid off CYBERARK SOFTWARE LTD (CYBR), VANGUARD INDEX FDS (VB) and MIAMI INTL HLDGS INC stocks. They significantly reduced their stock positions in GREAT LAKES DREDGE & DOCK CO (GLDD), NLIGHT INC (LASR) and VARONIS SYS INC (VRNS). Harvey Partners, LLC opened new stock positions in POOL CORP (POOL), PALO ALTO NETWORKS INC (PANW) and LIBERTY MEDIA CORP DEL (BATRA). The fund showed a lot of confidence in some stocks as they added substantially to SCOTTS MIRACLE-GRO CO (SMG), CASELLA WASTE SYS INC (CWST) and MARTIN MARIETTA MATLS INC (MLM).

Harvey Partners, LLC Equity Portfolio Value

Last Reported on: 15 May, 2026

Harvey Partners, LLC Annual Return Estimates Vs S&P 500

Our best estimate is that Harvey Partners, LLC made a return of 9.99% in the last quarter. In trailing 12 months, it's portfolio return was 39.17%.

Performance
S&P 500

New Buys

Ticker	$ Bought
pool corp	27,314,600
palo alto networks inc	14,589,100
liberty media corp del	10,500,000
wyndham hotels & resorts inc	9,828,830
state str spdr s&p 500 etf t	8,454,420
liberty media corp del	4,684,800

New stocks bought by Harvey Partners, LLC

Additions

Ticker	% Inc.
scotts miracle-gro co	98.86
casella waste sys inc	43.52
martin marietta matls inc	25.01
ball corp	23.76
ingevity corp	18.12
gentherm inc	17.87
waste connections inc	15.32
armstrong world inds inc new	14.25

Additions to existing portfolio by Harvey Partners, LLC

Reductions

Ticker	% Reduced
great lakes dredge & dock co	-83.53
nlight inc	-65.61
varonis sys inc	-65.52
dnow inc	-62.31
orion s.a.	-45.88
applied digital corp	-40.00
thermon group hldgs inc	-16.23
mks inc.	-15.84

Harvey Partners, LLC reduced stake in above stock

Sold off

Ticker	$ Sold
miami intl hldgs inc	-2,219,000
cyberark software ltd	-19,731,500
neptune ins hldgs inc	-583,200
vanguard index fds	-8,905,250

Harvey Partners, LLC got rid off the above stocks

Sector Distribution

Harvey Partners, LLC has about 33.1% of it's holdings in Industrials sector.

Industrials
Technology
Others
Basic Materials
Consumer Cyclical

Sector	%
Industrials	33.1
Technology	23.5
Others	20.9
Basic Materials	15.2
Consumer Cyclical	6.3

Market Cap. Distribution

Harvey Partners, LLC has about 19.1% of it's portfolio invested in the large-cap and mega-cap stocks.

MID-CAP
UNALLOCATED
SMALL-CAP
LARGE-CAP

Category	%
MID-CAP	40.2
UNALLOCATED	20.9
SMALL-CAP	19.8
LARGE-CAP	19.1

Stocks belong to which Index?

About 61.1% of the stocks held by Harvey Partners, LLC either belong to S&P 500 or RUSSELL 2000 index.

RUSSELL 2000
Others
S&P 500

Index	%
RUSSELL 2000	52
Others	38.8
S&P 500	9.1

Top 5 Winners (%)		%
ICHR	ichor holdings	150.8 %
MKSI	mks inc.	40.3 %
	adeia inc	38.0 %
LASR	nlight inc	35.0 %
LFUS	littelfuse inc	33.4 %

Top 5 Winners ($)		$
MKSI	mks inc.	18.6 M
	adeia inc	18.2 M
LASR	nlight inc	15.8 M
ICHR	ichor holdings	13.4 M
LFUS	littelfuse inc	10.3 M

Top 5 Losers (%)		%
VRNS	varonis sys inc	-23.2 %
THRM	gentherm inc	-22.2 %
CHKP	check point software tech lt	-21.8 %
RSKD	riskified ltd	-20.4 %
CWST	casella waste sys inc	-16.6 %

Top 5 Losers ($)		$
THRM	gentherm inc	-9.8 M
CHKP	check point software tech lt	-5.0 M
AWI	armstrong world inds inc new	-4.8 M
CWST	casella waste sys inc	-4.4 M
RSKD	riskified ltd	-3.4 M

Harvey Partners, LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of Harvey Partners, LLC

Harvey Partners, LLC has 45 stocks in it's portfolio. About 39.7% of the portfolio is in top 10 stocks. THRM proved to be the most loss making stock for the portfolio. MKSI was the most profitable stock for Harvey Partners, LLC last quarter.

Last Reported on: 15 May, 2026

Ticker	Namesorted ascending	% Portfolio	Shares Held	$ Value	Type	% Change
APLD	applied digital corp	0.28	150,000	3,561,000	reduced	-40.00

ASTE	astec inds inc	2.88	672,200	36,191,200	added	8.12

AWI	armstrong world inds inc new	2.57	196,000	32,300,800	added	14.25

AZZ	azz inc	3.50	351,500	43,983,200	reduced	-3.59

BALL	ball corp	2.63	560,000	33,101,600	added	23.76

BATRA	atlanta braves hldgs inc	2.74	806,000	34,416,200	added	8.62

BATRA	liberty media corp del	0.84	123,500	10,500,000	new

BATRA	liberty media corp del	0.37	60,000	4,684,800	new

BCPC	balchem corp	1.55	114,800	19,456,300	reduced	-1.03

BV	brightview hldgs inc	2.76	2,938,000	34,639,000	added	12.61

BWXT	bwx technologies inc	4.16	255,300	52,206,300	added	1.52

CALX	calix inc	2.23	572,500	28,046,800	added	7.26

CHKP	check point software tech lt	1.25	109,500	15,642,100	reduced	-11.05

CTS	cts corp	2.26	594,400	28,388,500	added	9.26

CWST	casella waste sys inc	1.78	281,500	22,334,200	added	43.52

CYBR	cyberark software ltd	0.00	0.00	0.00	sold off	-100

DNOW	dnow inc	0.69	730,943	8,705,530	reduced	-62.31

GLDD	great lakes dredge & dock co	0.82	610,000	10,370,000	reduced	-83.53

ICHR	ichor holdings	1.74	469,179	21,868,400	reduced	-2.76

KN	knowles corp	1.36	664,500	17,064,400	added	1.84