13F

Investor

Harvey Partners, LLC

CIK 0001406484 · filed 2026-05-15 · SEC filing

13F book

$1.26B

Positions

45

6 new · 4 sold

Largest name

5.3%

Adeia Inc. · ADEA

Est. mark

$109.4M

Price effect on 39 names still held. Flow $8.04M.
NameTickerSharesValueWeightEst. markChange
Adeia Inc.ADEA2.75M$66.2M5.3%$17.7MAdded$21.1M
Enpro Inc.NPO253.5K$63.5M5.1%$9.1MAdded$10.2M
Mks IncMKSI243.4K$55.9M4.5%$17MCut$9.72M
Ingevity CorpNGVT743.5K$53M4.2%$7.58MAdded$15.7M
BWX Technologies, Inc.BWXT255.3K$52.2M4.2%$7.96MAdded$8.74M
Azz IncAZZ351.5K$44M3.5%$6.31MCut$4.91M
Materion CorpMTRN293.1K$42.4M3.4%$5.96MCut$2.68M
Waste Connections, Inc.WCN258.5K$42M3.3%−$2.9MAdded$2.68M
Littelfuse Inc121.5K$41.2M3.3%$10.2MAdded$11.5M
Novanta Inc320K$37.8M3.0%−$267.5KAdded$1.62M
Martin Marietta Matls Inc63.9K$37.6M3.0%−$1.74MAdded$5.79M
Astec Inds Inc672.2K$36.2M2.9%$6.54MAdded$9.26M
Brightview Hldgs Inc2.94M$34.6M2.8%−$2.3MAdded$1.58M
Atlanta Braves Hldgs Inc806K$34.4M2.7%$2.41MAdded$5.14M
Gentherm IncTHRM1.23M$34.3M2.7%−$8.99MAdded−$3.79M
Ball CorpBALL560K$33.1M2.6%$2.78MAdded$9.13M
Thermon Group Hldgs Inc646.7K$32.6M2.6%$8.56MCut$3.9M
Armstrong World Inds Inc New196K$32.3M2.6%−$4.51MAdded−$481.8K
Rentokil Initial Plc975.5K$30.7M2.4%$1.79MAdded$4.6M
UL Solutions Inc.ULS342.5K$29.4M2.3%$2.11MAdded$5.09M
Cts CorpCTS594.4K$28.4M2.3%$2.66MAdded$5.07M
Calix, IncCALX572.5K$28M2.2%−$2.1MAdded−$203.7K
Pool CorpPOOL135K$27.3M2.2%New
Scotts Miracle-Gro CoSMG437.5K$26.6M2.1%$541.2KAdded$13.8M
Nokia Corp2.95M$23.7M1.9%$4.62MCut$2.09M
Nlight, Inc.LASR413.6K$23.6M1.9%$8.07MCut−$21.5M
Casella Waste Sys Inc281.5K$22.3M1.8%−$3.65MAdded$3.12M
Ichor Holdings, Ltd.ICHR469.2K$21.9M1.7%$13.2MCut$13M
Manchester Utd Plc New1.21M$20.4M1.6%$993.1KAdded$2.83M
Balchem CorpBCPC114.8K$19.5M1.5%$1.85MCut$1.67M
Vishay Precision Group, Inc.VPG401.6K$17.4M1.4%$1.88MAdded$2.75M
Knowles CorpKN664.5K$17.1M1.4%$2.77MAdded$3.08M
Check Point Software Tech Lt109.5K$15.6M1.2%−$4.68MCut−$7.2M
Palo Alto Networks IncPANW91K$14.6M1.2%New
Riskified Ltd.RSKD3.4M$13.3M1.1%−$3.25MAdded−$2.07M
Liberty Media Corp Del123.5K$10.5M0.8%New
Matrix Svc Co905K$10.4M0.8%−$187.6KAdded$413.1K
Great Lakes Dredge & Dock Co610K$10.4M0.8%$2.37MCut−$38.2M
Wyndham Hotels & Resorts, Inc.WH121K$9.83M0.8%New
DNOW Inc.DNOW730.9K$8.71M0.7%−$979.5KCut−$17M
Orion S.A.OEC1.3M$8.48M0.7%$1.59MCut−$4.25M
Spdr S&P 500 Etf Tr13K$8.45M0.7%New
Liberty Media Corp Del60K$4.68M0.4%New
Applied Digital Corp.APLD150K$3.56M0.3%−$117KCut−$2.57M
Varonis Sys Inc140K$3.01M0.2%−$1.59MCut−$10.3M

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.