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Harvey Partners, LLC

SEC CIK
0001406484
Latest filing
Aug 14, 2026

Holdings in Q2 2026

Holdings as of Jun 30, 2026, filed Aug 14, 2026. Long positions only; changes compare share counts with Q1 2026.

Institution overview
Positions
47
+2 vs. Q1 2026
Portfolio value
$1.44B
+$211.1M (+17.1%) vs. Q1 2026
Filed
Aug 14, 2026
SEC
Holdings of Harvey Partners, LLC in Q2 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
NPOEnpro Inc.COM207,593$78.2M5.4%−45,907−18.1%ReducedHistory
MTRNMATERION CorpCOM220,068$65.4M4.5%−73,053−24.9%ReducedHistory
MKSIMKS IncCOM141,066$62.7M4.4%−102,330−42.0%ReducedHistory
NGVTIngevity CorpCOM734,307$54.8M3.8%−9,193−1.2%ReducedHistory
ADEAAdeia Inc.COM1,622,353$53.4M3.7%−1,132,147−41.1%ReducedHistory
LFUSLittelfuse IncCOM112,547$51.2M3.6%−8,953−7.4%ReducedHistory
MLMMartin Marietta Materials IncCOM87,035$50.2M3.5%+23,110+36.2%AddedHistory
AZZAzz IncCOM323,137$50.1M3.5%−28,363−8.1%ReducedHistory
WCNWaste Connections, Inc.COM287,122$47.9M3.3%+28,622+11.1%AddedHistory
NOVTNovanta IncCOM294,122$47.7M3.3%−25,878−8.1%ReducedHistory
BWXTBWX Technologies, Inc.COM243,107$47.3M3.3%−12,193−4.8%ReducedHistory
THRMGentherm IncCOM1,326,075$45.2M3.1%+92,575+7.5%AddedHistory
BVBrightView Holdings, Inc.COM3,078,797$43.6M3.0%+140,797+4.8%AddedHistory
ASTEAstec Industries IncCOM674,000$41.2M2.9%+1,800+0.3%AddedHistory
BALLBALL CorpCOM653,286$40.8M2.8%+93,286+16.7%AddedHistory
BATRKAtlanta Braves Holdings, Inc.COM SER C756,832$39.3M2.7%−49,168−6.1%ReducedHistory
POOLPool CorpCOM174,074$37.4M2.6%+39,074+28.9%AddedHistory
SMGScotts Miracle-Gro CoStock542,727$37.0M2.6%+105,227+24.1%AddedHistory
CTSCTS CorpCOM545,231$35.5M2.5%−49,169−8.3%ReducedHistory
AWIArmstrong World Industries IncCOM205,087$32.9M2.3%+9,087+4.6%AddedHistory
ULSUL Solutions Inc.CLASS A COM SHS320,656$32.7M2.3%−21,844−6.4%ReducedHistory
CWSTCasella Waste Systems IncCL A310,131$30.1M2.1%+28,631+10.2%AddedHistory
CECOCeco Environmental CorpCOM311,132$28.2M2.0%+311,132NewHistory
RTORentokil Initial PLCSPONSORED ADR983,956$28.2M2.0%+8,456+0.9%AddedHistory
VPGVishay Precision Group, Inc.COM177,659$26.6M1.8%−223,912−55.8%ReducedHistory
MANUManchester United plcORD CL A1,127,547$25.9M1.8%−84,953−7.0%ReducedHistory
KNKnowles CorpCOM613,805$25.5M1.8%−50,695−7.6%ReducedHistory
ICHRIchor Holdings, Ltd.SHS205,874$23.1M1.6%−263,305−56.1%ReducedHistory
BCPCBalchem CorpCOM136,057$23.0M1.6%+21,257+18.5%AddedHistory
LASRNlight, Inc.COM302,711$21.1M1.5%−110,873−26.8%ReducedHistory
NOKNokia CorpSPONSORED ADR1,454,626$19.3M1.3%−1,490,874−50.6%ReducedHistory
CTASCintas CorpStock111,547$19.0M1.3%+111,547NewHistory
FWONKLiberty Media CorpCOM LBTY ONE S C174,000$16.6M1.1%+50,500+40.9%AddedHistory
SITESiteOne Landscape Supply, Inc.COM144,059$16.5M1.1%+144,059NewHistory
PANWPalo Alto Networks IncStock48,000$16.4M1.1%−43,000−47.3%ReducedHistory
AINAlbany International CorpCL A218,090$16.2M1.1%+218,090NewHistory
RSKDRiskified Ltd.SHS CL A3,165,547$16.0M1.1%−230,453−6.8%ReducedHistory
CALXCalix, IncCOM420,500$15.7M1.1%−152,000−26.6%ReducedHistory
WHWyndham Hotels & Resorts, Inc.COM157,567$13.3M0.9%+36,567+30.2%AddedHistory
SPYSPDR S&P 500 ETF TrustETF15,000$11.2M0.8%+2,000+15.4%AddedHistory
MTRXMatrix Service CoCOM815,023$11.2M0.8%−89,977−9.9%ReducedHistory
FNDFloor & Decor Holdings, Inc.CL A155,566$9.23M0.6%+155,566NewHistory
FWONALiberty Media CorpCOM LBTY ONE S A102,119$8.94M0.6%+42,119+70.2%AddedHistory
OECOrion S.A.COM1,190,579$7.89M0.5%−113,421−8.7%ReducedHistory
AADXApplied Aerospace & Defense, Inc.COMMON STOCK329,178$7.50M0.5%+329,178NewHistory
APLDApplied Digital Corp.COM NEW150,000$5.59M0.4%00.0%UnchangedHistory
CHKPCheck Point Software Technologies LtdORD41,500$5.45M0.4%−68,000−62.1%ReducedHistory

Options (1)

Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.

Option positions of Harvey Partners, LLC in Q2 2026
SecurityClassPutsCalls
iShares Russell 2000 ETF464287655ETF$18.0M–

Sold out since Q1 2026 (4)

Positions held at the end of Q1 2026 that are gone from this filing.

Positions of Harvey Partners, LLC sold out since Q1 2026
SecurityClassShares in Q1 2026Value in Q1 2026% of portfolio in Q1 2026History
THRThermon Group Holdings, Inc.COM646,728$32.6M2.6%History
GLDDGreat Lakes Dredge & Dock CORPCOM610,000$10.4M0.8%History
DNOWDNOW Inc.COM730,943$8.71M0.7%History
VRNSVaronis Systems IncCOM140,000$3.01M0.2%History