Harvey Partners, Llc Portfolio Stock Holdings

According to the SEC 13F filed on August 14, 2026, Harvey Partners, Llc disclosed 46 stock positions valued at approximately $1.44B as of quarter-end June 30, 2026. The largest holdings include ENPRO INC, MATERION CORP, and MKS INC..

Report Period
June 30, 2026
No. of Stocks
46
Portfolio Value
$1.44B
Holdings by Sector
Harvey Partners, Llc Portfolio Holdings in Q2 2026
CompanySymbolSectorPortfolio %SharesChange (Shares)Change %Value
ENPRO INCNPOIndustrials5.43%207,593-45,907-18.11%$78,248,029
MATERION CORPMTRNBasic Materials4.54%220,068-73,053-24.92%$65,446,023
MKS INC.MKSITechnology4.35%141,066-102,330-42.04%$62,746,157
INGEVITY CORPNGVTBasic Materials3.80%734,307-9,193-1.24%$54,830,704
ADEIA INCADEATechnology3.70%1,622,353-1,132,147-41.10%$53,424,084
LITTELFUSE INCLFUSTechnology3.55%112,547-8,953-7.37%$51,246,026
MARTIN MARIETTA MATLS INCMLMBasic Materials3.48%87,035+23,110+36.15%$50,193,085
AZZ INCAZZIndustrials3.47%323,137-28,363-8.07%$50,102,392
WASTE CONNECTIONS INCWCNIndustrials3.32%287,122+28,622+11.07%$47,860,366
NOVANTA INCNOVTTechnology3.31%294,122-25,878-8.09%$47,718,353
BWX TECHNOLOGIES INCBWXTIndustrials3.28%243,107-12,193-4.78%$47,320,778
GENTHERM INCTHRMConsumer Cyclical3.14%1,326,075+92,575+7.51%$45,232,418
BRIGHTVIEW HLDGS INCBVIndustrials3.03%3,078,797+140,797+4.79%$43,626,553
ASTEC INDS INCASTEIndustrials2.86%674,000+1,800+0.27%$41,242,060
BALL CORPBALLConsumer Cyclical2.83%653,286+93,286+16.66%$40,765,046
ATLANTA BRAVES HLDGS INCBATRKCommunication Services2.72%756,832-49,168-6.10%$39,279,581
POOL CORPPOOLIndustrials2.59%174,074+39,074+28.94%$37,408,503
SCOTTS MIRACLE-GRO COSMGBasic Materials2.56%542,727+105,227+24.05%$36,965,136
CTS CORPCTSTechnology2.46%545,231-49,169-8.27%$35,543,609
ARMSTRONG WORLD INDS INC NEWAWIIndustrials2.28%205,087+9,087+4.64%$32,900,057
UL SOLUTIONS INCULSIndustrials2.26%320,656-21,844-6.38%$32,662,020
CASELLA WASTE SYS INCCWSTIndustrials2.09%310,131+28,631+10.17%$30,073,403
CECO ENVIRONMENTAL CORPCECOIndustrials1.96%311,132+311,132+100.00%$28,232,118
RENTOKIL INITIAL PLCRTOIndustrials1.95%983,956+8,456+0.87%$28,150,981
VISHAY PRECISION GROUP INCVPGTechnology1.85%177,659-223,912-55.76%$26,632,861
MANCHESTER UTD PLC NEWMANUOther1.79%1,127,547-84,953-7.01%$25,854,653
KNOWLES CORPKNTechnology1.77%613,805-50,695-7.63%$25,460,631
ICHOR HOLDINGSICHRTechnology1.60%205,874-263,305-56.12%$23,115,533
BALCHEM CORPBCPCBasic Materials1.59%136,057+21,257+18.52%$22,986,830
NLIGHT INCLASRTechnology1.46%302,711-110,873-26.81%$21,074,740
Showing 30 of 46 holdings in the latest reporting period.
Harvey Partners, Llc Options Holdings in Q2 2026
QuarterSymbolCompanyOptionContractsNotional Value
Q2 2026IWMiShares Russell 2000 ETFPUT60,000$18,027,000
Showing 1 of 1 options positions in the latest reporting period.

Notional value represents the total exposure of the options position.