Harvey Partners, LLC

Tarrytown, NY · CIK 1406484 · 13F filing filed 2026-08-14

SEC-registered investment adviser since 2012 · limited liability company

Assets managed$1.2bn
Staff5 · 3 in investment roles
Main clients (by assets)Pension plans 87%, Private funds 12%
Private funds2 (2 hedge) · $143.3m gross assets
Websiteharveypartners.com
Form ADV · 2026-03-25SEC adviser record

Legal entityHarvey Partners, LLC (US)

$1.4bn reported value +17.1% vs Q1 2026

47positions

39.0%in top 10

6 new 16 added 24 reduced 4 sold out vs Q1 2026

Options: 0 call positions (— notional), 1 put positions ($18.0m notional) – listed below, not included above.

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change	Shares change
1	ENPRO INC COM NPO	NPO	207,593	$78.2m5.43%	5.43%	Reduced -45.9k	-45,907 -18.1%
2	MATERION CORP COM MTRN	MTRN	220,068	$65.4m4.54%	4.54%	Reduced -73.1k	-73,053 -24.9%
3	MKS INC. COM MKSI	MKSI	141,066	$62.7m4.35%	4.35%	Reduced -102.3k	-102,330 -42.0%
4	INGEVITY CORP COM NGVT	NGVT	734,307	$54.8m3.80%	3.80%	Reduced -9.2k	-9,193 -1.2%
5	ADEIA INC COM ADEA	ADEA	1,622,353	$53.4m3.70%	3.70%	Reduced -1.1m	-1,132,147 -41.1%
6	LITTELFUSE INC COM LFUS	LFUS	112,547	$51.2m3.55%	3.55%	Reduced -9.0k	-8,953 -7.4%
7	MARTIN MARIETTA MATLS INC COM MLM	MLM	87,035	$50.2m3.48%	3.48%	Added +23.1k	+23,110 36.1%
8	AZZ INC COM AZZ	AZZ	323,137	$50.1m3.47%	3.47%	Reduced -28.4k	-28,363 -8.1%
9	WASTE CONNECTIONS INC COM WCN	WCN	287,122	$47.9m3.32%	3.32%	Added +28.6k	+28,622 11.1%
10	NOVANTA INC COM NOVT	NOVT	294,122	$47.7m3.31%	3.31%	Reduced -25.9k	-25,878 -8.1%
11	BWX TECHNOLOGIES INC COM BWXT	BWXT	243,107	$47.3m3.28%	3.28%	Reduced -12.2k	-12,193 -4.8%
12	GENTHERM INC COM THRM	THRM	1,326,075	$45.2m3.14%	3.14%	Added +92.6k	+92,575 7.5%
13	BRIGHTVIEW HLDGS INC COM BV	BV	3,078,797	$43.6m3.03%	3.03%	Added +140.8k	+140,797 4.8%
14	ASTEC INDS INC COM ASTE	ASTE	674,000	$41.2m2.86%	2.86%	Added +1.8k	+1,800 0.3%
15	BALL CORP COM BALL	BALL	653,286	$40.8m2.83%	2.83%	Added +93.3k	+93,286 16.7%
16	ATLANTA BRAVES HLDGS INC COM SER C BATRK	BATRK	756,832	$39.3m2.72%	2.72%	Reduced -49.2k	-49,168 -6.1%
17	POOL CORP COM POOL	POOL	174,074	$37.4m2.59%	2.59%	Added +39.1k	+39,074 28.9%
18	SCOTTS MIRACLE-GRO CO CL A SMG	SMG	542,727	$37.0m2.56%	2.56%	Added +105.2k	+105,227 24.1%
19	CTS CORP COM CTS	CTS	545,231	$35.5m2.46%	2.46%	Reduced -49.2k	-49,169 -8.3%
20	ARMSTRONG WORLD INDS INC NEW COM AWI	AWI	205,087	$32.9m2.28%	2.28%	Added +9.1k	+9,087 4.6%
21	UL SOLUTIONS INC CLASS A COM SHS ULS	ULS	320,656	$32.7m2.26%	2.26%	Reduced -21.8k	-21,844 -6.4%
22	CASELLA WASTE SYS INC CL A CWST	CWST	310,131	$30.1m2.09%	2.09%	Added +28.6k	+28,631 10.2%
23	CECO ENVIRONMENTAL CORP COM CECO	CECO	311,132	$28.2m1.96%	1.96%	New
24	RENTOKIL INITIAL PLC SPONSORED ADR RTO	RTO	983,956	$28.2m1.95%	1.95%	Added +8.5k	+8,456 0.9%
25	VISHAY PRECISION GROUP INC COM VPG	VPG	177,659	$26.6m1.85%	1.85%	Reduced -223.9k	-223,912 -55.8%
26	MANCHESTER UTD PLC NEW ORD CL A MANU	MANU	1,127,547	$25.9m1.79%	1.79%	Reduced -85.0k	-84,953 -7.0%
27	KNOWLES CORP COM KN	KN	613,805	$25.5m1.77%	1.77%	Reduced -50.7k	-50,695 -7.6%
28	ICHOR HOLDINGS SHS ICHR	ICHR	205,874	$23.1m1.60%	1.60%	Reduced -263.3k	-263,305 -56.1%
29	BALCHEM CORP COM BCPC	BCPC	136,057	$23.0m1.59%	1.59%	Added +21.3k	+21,257 18.5%
30	NLIGHT INC COM LASR	LASR	302,711	$21.1m1.46%	1.46%	Reduced -110.9k	-110,873 -26.8%
31	NOKIA CORP SPONSORED ADR NOK	NOK	1,454,626	$19.3m1.34%	1.34%	Reduced -1.5m	-1,490,874 -50.6%
32	CINTAS CORP COM CTAS	CTAS	111,547	$19.0m1.32%	1.32%	New
33	LIBERTY MEDIA CORP DEL COM LBTY ONE S C FWONK	FWONK	174,000	$16.6m1.15%	1.15%	Added +50.5k	+50,500 40.9%
34	SITEONE LANDSCAPE SUPPLY INC COM SITE	SITE	144,059	$16.5m1.14%	1.14%	New
35	PALO ALTO NETWORKS INC COM PANW	PANW	48,000	$16.4m1.14%	1.14%	Reduced -43.0k	-43,000 -47.2%
36	ALBANY INTL CORP CL A AIN	AIN	218,090	$16.2m1.13%	1.13%	New
37	RISKIFIED LTD SHS CL A RSKD	RSKD	3,165,547	$16.0m1.11%	1.11%	Reduced -230.5k	-230,453 -6.8%
38	CALIX INC COM CALX	CALX	420,500	$15.7m1.09%	1.09%	Reduced -152.0k	-152,000 -26.6%
39	WYNDHAM HOTELS & RESORTS INC COM WH	WH	157,567	$13.3m0.92%	0.92%	Added +36.6k	+36,567 30.2%
40	SPDR S&P 500 ETF TR TR UNIT SPY	SPY	15,000	$11.2m0.78%	0.78%	Added +2.0k	+2,000 15.4%
41	MATRIX SVC CO COM MTRX	MTRX	815,023	$11.2m0.77%	0.77%	Reduced -90.0k	-89,977 -9.9%
42	FLOOR & DECOR HLDGS INC CL A FND	FND	155,566	$9.2m0.64%	0.64%	New
43	LIBERTY MEDIA CORP DEL COM LBTY ONE S A FWONA	FWONA	102,119	$8.9m0.62%	0.62%	Added +42.1k	+42,119 70.2%
44	ORION S.A. COM OEC	OEC	1,190,579	$7.9m0.55%	0.55%	Reduced -113.4k	-113,421 -8.7%
45	APPLIED AEROSPACE & DEFENSE COMMON STOCK AADX	AADX	329,178	$7.5m0.52%	0.52%	New
46	APPLIED DIGITAL CORP COM NEW APLD	APLD	150,000	$5.6m0.39%	0.39%	Unchanged
47	CHECK POINT SOFTWARE TECH LT ORD CHKP	CHKP	41,500	$5.5m0.38%	0.38%	Reduced -68.0k	-68,000 -62.1%

Sold out since Q1 2026

Security	Ticker	Shares held before	Value then
THERMON GROUP HLDGS INC		646,728	$32.6m646.7k shares
GREAT LAKES DREDGE & DOCK CO GLDD	GLDD	610,000	$10.4m610.0k shares
DNOW INC DNOW	DNOW	730,943	$8.7m730.9k shares
VARONIS SYS INC VRNS	VRNS	140,000	$3.0m140.0k shares

Options (notional value)

Underlying	Ticker	Type	Shares controlled	Notional	Change
ISHARES TR IWM · Put	IWM	Put	60,000	$18.0m60.0k shares	Added