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Harvey Partners, LLC

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13F filer, CIK 1406484, Tarrytown, NY

Harvey Partners, LLC reported $1,124,729,315 across 46 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-11-14. Its ten largest share positions make up 40.51% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001214659-25-016663

Period
2025-09-30
Reported value
$1.12B
Holdings
46
Top 10 weight
40.51%
New
6
Sold out
2

Largest buys vs the previous quarter

SecurityShares changeApprox. value
MTRNnew+318,000$38.4M
THRMadded+431,072$14.7M
KNnew+622,500$14.5M
LFUSadded+41,763$10.8M
DECKnew+100,000$10.1M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
FARO TECHNOLOGIES INCexited-972,016-$42.7M
LASRreduced-709,904-$21M
AZZreduced-114,861-$12.5M
WCNreduced-63,500-$11.2M
ADEAreduced-575,444-$9.67M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q3 2025

Share positions as resolved from 13F-HR 0001214659-25-016663, largest first. % of portfolio is the value over $1,099,368,815, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
NPOENPRO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 212,500 shares; 2024Q4: 217,500 shares; 2025Q1: 230,000 shares; 2025Q2: 238,892 shares; 2025Q3: 249,000 shares 249,000$56.3M5.12%+10,108Timeline
BWXTBWX TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 408,000 shares; 2024Q4: 353,000 shares; 2025Q1: 329,000 shares; 2025Q2: 335,500 shares; 2025Q3: 289,500 shares 289,500$53.4M4.86%-46,000Timeline
AZZAZZ INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 666,000 shares; 2024Q4: 681,000 shares; 2025Q1: 647,000 shares; 2025Q2: 600,275 shares; 2025Q3: 485,414 shares 485,414$53M4.82%-114,861Timeline
GLDDGREAT LAKES DREDGE & DOCK COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,647,500 shares; 2024Q4: 3,704,000 shares; 2025Q1: 3,733,000 shares; 2025Q2: 3,733,000 shares; 2025Q3: 3,700,551 shares 3,700,551$44.4M4.04%-32,449Timeline
ADEAADEIA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,052,000 shares; 2024Q4: 3,120,000 shares; 2025Q1: 3,172,500 shares; 2025Q2: 3,189,944 shares; 2025Q3: 2,614,500 shares 2,614,500$43.9M4%-575,444Timeline
LASRNLIGHT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,735,000 shares; 2024Q4: 1,775,000 shares; 2025Q1: 2,073,000 shares; 2025Q2: 2,107,348 shares; 2025Q3: 1,397,444 shares 1,397,444$41.4M3.77%-709,904Timeline
BVBRIGHTVIEW HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,870,000 shares; 2024Q4: 1,946,000 shares; 2025Q1: 2,580,500 shares; 2025Q2: 2,808,000 shares; 2025Q3: 2,949,000 shares 2,949,000$39.5M3.59%+141,000Timeline
WCNWASTE CONNECTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 252,500 shares; 2024Q4: 274,000 shares; 2025Q1: 286,000 shares; 2025Q2: 287,500 shares; 2025Q3: 224,000 shares 224,000$39.4M3.58%-63,500Timeline
MTRNMATERION CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 318,000 shares 318,000$38.4M3.49%newTimeline
MKSIMKS INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 170,000 shares; 2024Q4: 189,500 shares; 2025Q1: 261,000 shares; 2025Q2: 269,599 shares; 2025Q3: 289,000 shares 289,000$35.8M3.25%+19,401Timeline
THRMGENTHERM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 349,000 shares; 2025Q1: 519,500 shares; 2025Q2: 593,428 shares; 2025Q3: 1,024,500 shares 1,024,500$34.9M3.17%+431,072Timeline
NGVTINGEVITY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 202,000 shares; 2024Q4: 324,000 shares; 2025Q1: 358,500 shares; 2025Q2: 572,047 shares; 2025Q3: 601,000 shares 601,000$33.2M3.02%+28,953Timeline
CALXCALIX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 425,000 shares; 2025Q1: 521,000 shares; 2025Q2: 524,177 shares; 2025Q3: 533,500 shares 533,500$32.7M2.98%+9,323Timeline
AWIARMSTRONG WORLD INDS INC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 230,500 shares; 2024Q4: 213,500 shares; 2025Q1: 213,500 shares; 2025Q2: 214,055 shares; 2025Q3: 166,300 shares 166,300$32.6M2.97%-47,755Timeline
MLMMARTIN MARIETTA MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 17,000 shares; 2024Q4: 24,500 shares; 2025Q1: 28,000 shares; 2025Q2: 47,930 shares; 2025Q3: 51,100 shares 51,100$32.2M2.93%+3,170Timeline
BATRKATLANTA BRAVES HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 507,000 shares; 2024Q4: 592,500 shares; 2025Q1: 661,000 shares; 2025Q2: 709,386 shares; 2025Q3: 741,500 shares 741,500$30.8M2.81%+32,114Timeline
MRC GLOBAL INCMRC GLOBAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,324,000 shares; 2024Q4: 1,444,000 shares; 2025Q1: 1,874,000 shares; 2025Q2: 1,936,560 shares; 2025Q3: 2,042,286 shares 2,042,286$29.4M2.68%+105,726
LFUSLITTELFUSE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 132,500 shares; 2024Q4: 120,000 shares; 2025Q1: 121,000 shares; 2025Q2: 66,937 shares; 2025Q3: 108,700 shares 108,700$28.2M2.56%+41,763Timeline
SMGSCOTTS MIRACLE-GRO COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 196,000 shares; 2025Q2: 456,843 shares; 2025Q3: 471,500 shares 471,500$26.9M2.44%+14,657Timeline
ULSUL SOLUTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 261,500 shares; 2024Q4: 312,900 shares; 2025Q1: 332,000 shares; 2025Q2: 334,012 shares; 2025Q3: 370,000 shares 370,000$26.2M2.38%+35,988Timeline
CHKPCHECK POINT SOFTWARE TECH LTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 87,250 shares; 2024Q4: 109,500 shares; 2025Q1: 120,000 shares; 2025Q2: 120,820 shares; 2025Q3: 123,000 shares 123,000$25.4M2.31%+2,180Timeline
ASTEASTEC INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 282,000 shares; 2024Q4: 289,000 shares; 2025Q1: 335,000 shares; 2025Q2: 337,845 shares; 2025Q3: 501,000 shares 501,000$24.1M2.19%+163,155Timeline
VRNSVARONIS SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 582,000 shares; 2024Q4: 501,000 shares; 2025Q1: 463,000 shares; 2025Q2: 388,759 shares; 2025Q3: 405,800 shares 405,800$23.3M2.12%+17,041Timeline
RTORENTOKIL INITIAL PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,430,000 shares; 2024Q4: 1,627,500 shares; 2025Q1: 1,642,000 shares; 2025Q2: 1,220,000 shares; 2025Q3: 885,000 shares 885,000$22.3M2.03%-335,000Timeline
CYBERARK SOFTWARE LTD/ISRAELCYBERARK SOFTWARE LTD/ISRAELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 37,750 shares; 2024Q4: 39,000 shares; 2025Q1: 39,000 shares; 2025Q2: 39,269 shares; 2025Q3: 44,200 shares 44,200$21.4M1.94%+4,931
NOKNOKIA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 4,177,500 shares; 2025Q2: 4,203,952 shares; 2025Q3: 4,291,500 shares 4,291,500$20.6M1.88%+87,548Timeline
THRTHERMON GROUP HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 841,055 shares; 2024Q4: 765,000 shares; 2025Q1: 703,000 shares; 2025Q2: 639,731 shares; 2025Q3: 771,500 shares 771,500$20.6M1.88%+131,769Timeline
CTSCTS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 347,000 shares; 2024Q4: 322,500 shares; 2025Q1: 337,000 shares; 2025Q2: 282,536 shares; 2025Q3: 493,500 shares 493,500$19.7M1.79%+210,964Timeline
CWSTCASELLA WASTE SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 130,325 shares; 2025Q3: 196,000 shares 196,000$18.6M1.69%+65,675Timeline
OECORION S.A.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,696,000 shares; 2024Q4: 1,807,500 shares; 2025Q1: 2,099,000 shares; 2025Q2: 2,424,995 shares; 2025Q3: 2,424,995 shares 2,424,995$18.4M1.67%0Timeline
MANUMANCHESTER UTD PLC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 740,000 shares; 2024Q4: 871,500 shares; 2025Q1: 945,000 shares; 2025Q2: 951,698 shares; 2025Q3: 1,102,500 shares 1,102,500$16.7M1.52%+150,802Timeline
VIMEO INCVIMEO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,035,000 shares; 2024Q4: 4,210,000 shares; 2025Q1: 1,954,000 shares; 2025Q2: 1,962,772 shares; 2025Q3: 1,988,500 shares 1,988,500$15.4M1.4%+25,728
QQQINVESCO QQQ TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 17,480 shares; 2025Q3: 24,480 shares 24,480$14.7M1.34%+7,000Timeline
KNKNOWLES CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 622,500 shares 622,500$14.5M1.32%newTimeline
RSKDRISKIFIED LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,227,500 shares; 2024Q4: 2,432,500 shares; 2025Q1: 2,553,000 shares; 2025Q2: 2,569,145 shares; 2025Q3: 3,093,000 shares 3,093,000$14.5M1.32%+523,855Timeline
VPGVISHAY PRECISION GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 399,000 shares; 2024Q4: 399,000 shares; 2025Q1: 305,000 shares; 2025Q2: 306,685 shares; 2025Q3: 372,000 shares 372,000$11.9M1.08%+65,315Timeline
MTRXMATRIX SVC COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,515,000 shares; 2024Q4: 1,522,000 shares; 2025Q1: 1,533,000 shares; 2025Q2: 1,221,762 shares; 2025Q3: 852,381 shares 852,381$11.1M1.01%-369,381Timeline
DECKDECKERS OUTDOOR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 100,000 shares 100,000$10.1M0.92%newTimeline
IWMISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 40,000 shares; 2025Q3: 40,000 shares 40,000$9.68M0.88%0Timeline
APLDAPPLIED DIGITAL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 250,000 shares; 2024Q4: 250,000 shares; 2025Q1: 250,000 shares; 2025Q2: 250,000 shares; 2025Q3: 250,000 shares 250,000$5.74M0.52%0Timeline
ICHRICHOR HOLDINGSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 182,000 shares 182,000$3.19M0.29%newTimeline
MIAXMIAMI INTL HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 50,000 shares 50,000$2.01M0.18%newTimeline
SSTISOUNDTHINKING INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 142,000 shares; 2025Q1: 269,000 shares; 2025Q2: 277,107 shares; 2025Q3: 149,544 shares 149,544$1.8M0.16%-127,563Timeline
HBIOHARVARD BIOSCIENCE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,715,000 shares; 2024Q4: 2,683,000 shares; 2025Q1: 2,187,500 shares; 2025Q2: 2,141,099 shares; 2025Q3: 2,050,000 shares 2,050,000$899K0.08%-91,099Timeline

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
IWMISHARES TR SHSput80,000$19.4Mnew
QQQINVESCO QQQ TR COMput10,000$6M-22,500

Sold out in Q3 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
FARO TECHNOLOGIES INCFARO TECHNOLOGIES INC972,016$42.7Mshares
CPRTCOPART INC61,000$2.99Mshares

How Q3 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001214659-25-016663 base2025-11-14acceptance time not in the bulk data set