Harvey Partners, LLC — 13F Holdings & Portfolio
CIK 1406484 · latest 13F-HR filed 2026-08-14
Harvey Partners, LLC manages $1.46B in 13F-reported U.S. long-equity assets across 48 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are NPO (5.36%), MTRN (4.48%), MKSI (4.30%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 6 new positions and exited 4; 31 existing positions rose in reported value and 8 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-08-14
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
4 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 39%Cumulative share of the portfolio held in the largest N positions.
27TH FLOOR
NEW YORK, NY 10106
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| BARONI, LISA, CHRISTINE Control | CHIEF COMPLIANCE OFFICER & LEGAL COUNSEL | Less than 5% | Individual |
| COHEN, DAVID, BRYAN Control | MANAGING MEMBER, LIMITED PARTNER | 25–50% | Individual |
| COHEN, IAN, SETH Control | CHIEF FINANCIAL OFFICER | Less than 5% | Individual |
| EHRMANN, DANIEL Control | MANAGING MEMBER, LIMITED PARTNER | 25–50% | Individual |
| GOLDSCHMID, PAUL Control | MANAGING MEMBER, LIMITED PARTNER | 50–75% | Individual |
| HARVEY CAPITAL PARTNERS GP, LLC | GENERAL PARTNER | Less than 5% | Domestic Entity |
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- MATERION CORP$23.0M +54.4%
- ENPRO INC$14.7M +23.1%
- MARTIN MARIETTA MATLS INC$12.6M +33.4%
- GENTHERM INC$11.0M +32.0%
- SCOTTS MIRACLE-GRO CO$10.4M +38.9%
Top Trims
- ADEIA INC-$12.8M -19.3%
- CALIX INC-$12.4M -44.0%
- CHECK POINT SOFTWARE TECH LT-$10.2M -65.1%
- BWX TECHNOLOGIES INC-$4.9M -9.4%
- NOKIA CORP-$4.4M -18.4%
New Positions
- CECO ENVIRONMENTAL CORP$28.2M
- CINTAS CORP$19.0M
- SITEONE LANDSCAPE SUPPLY INC$16.5M
- ALBANY INTL CORP$16.2M
- FLOOR & DECOR HLDGS INC$9.2M
Exited Positions
- THERMON GROUP HLDGS INC$32.6M
- GREAT LAKES DREDGE & DOCK CO$10.4M
- DNOW INC$8.7M
- VARONIS SYS INC$3.0M
Harvey Partners, LLC Holdings (2026-06-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | ENPRO INC | NPO | 29355X107 | $78.2M | 5.36% | 207,593 | SH |
| 2 | MATERION CORP | MTRN | 576690101 | $65.4M | 4.48% | 220,068 | SH |
| 3 | MKS INC. | MKSI | 55306N104 | $62.7M | 4.30% | 141,066 | SH |
| 4 | INGEVITY CORP | NGVT | 45688C107 | $54.8M | 3.75% | 734,307 | SH |
| 5 | ADEIA INC | ADEA | 00676P107 | $53.4M | 3.66% | 1,622,353 | SH |
| 6 | LITTELFUSE INC | LFUS | 537008104 | $51.2M | 3.51% | 112,547 | SH |
| 7 | MARTIN MARIETTA MATLS INC | MLM | 573284106 | $50.2M | 3.44% | 87,035 | SH |
| 8 | AZZ INC | AZZ | 002474104 | $50.1M | 3.43% | 323,137 | SH |
| 9 | WASTE CONNECTIONS INC | WCN | 94106B101 | $47.9M | 3.28% | 287,122 | SH |
| 10 | NOVANTA INC | NOVT | 67000B104 | $47.7M | 3.27% | 294,122 | SH |
| 11 | BWX TECHNOLOGIES INC | BWXT | 05605H100 | $47.3M | 3.24% | 243,107 | SH |
| 12 | GENTHERM INC | THRM | 37253A103 | $45.2M | 3.10% | 1,326,075 | SH |
| 13 | BRIGHTVIEW HLDGS INC | BV | 10948C107 | $43.6M | 2.99% | 3,078,797 | SH |
| 14 | ASTEC INDS INC | ASTE | 046224101 | $41.2M | 2.82% | 674,000 | SH |
| 15 | BALL CORP | BALL | 058498106 | $40.8M | 2.79% | 653,286 | SH |
| 16 | ATLANTA BRAVES HLDGS INC | BATRK | 047726302 | $39.3M | 2.69% | 756,832 | SH |
| 17 | POOL CORP | POOL | 73278L105 | $37.4M | 2.56% | 174,074 | SH |
| 18 | SCOTTS MIRACLE-GRO CO | SMG | 810186106 | $37.0M | 2.53% | 542,727 | SH |
| 19 | CTS CORP | CTS | 126501105 | $35.5M | 2.43% | 545,231 | SH |
| 20 | ARMSTRONG WORLD INDS INC NEW | AWI | 04247X102 | $32.9M | 2.25% | 205,087 | SH |
| 21 | UL SOLUTIONS INC | ULS | 903731107 | $32.7M | 2.24% | 320,656 | SH |
| 22 | CASELLA WASTE SYS INC | CWST | 147448104 | $30.1M | 2.06% | 310,131 | SH |
| 23 | CECO ENVIRONMENTAL CORP | CECO | 125141101 | $28.2M | 1.93% | 311,132 | SH |
| 24 | RENTOKIL INITIAL PLC | RTO | 760125104 | $28.2M | 1.93% | 983,956 | SH |
| 25 | VISHAY PRECISION GROUP INC | VPG | 92835K103 | $26.6M | 1.82% | 177,659 | SH |
| 26 | MANCHESTER UTD PLC NEW | MANU | G5784H106 | $25.9M | 1.77% | 1,127,547 | SH |
| 27 | KNOWLES CORP | KN | 49926D109 | $25.5M | 1.74% | 613,805 | SH |
| 28 | ICHOR HOLDINGS | ICHR | G4740B105 | $23.1M | 1.58% | 205,874 | SH |
| 29 | BALCHEM CORP | BCPC | 057665200 | $23.0M | 1.57% | 136,057 | SH |
| 30 | NLIGHT INC | LASR | 65487K100 | $21.1M | 1.44% | 302,711 | SH |
| 31 | NOKIA CORP | NOK | 654902204 | $19.3M | 1.32% | 1,454,626 | SH |
| 32 | CINTAS CORP | CTAS | 172908105 | $19.0M | 1.30% | 111,547 | SH |
| 33 | ISHARES TR Put | IWM | 464287655 | $18.0M | 1.23% | 60,000 | SH |
| 34 | LIBERTY MEDIA CORP DEL | FWONK | 531229755 | $16.6M | 1.13% | 174,000 | SH |
| 35 | SITEONE LANDSCAPE SUPPLY INC | SITE | 82982L103 | $16.5M | 1.13% | 144,059 | SH |
| 36 | PALO ALTO NETWORKS INC | PANW | 697435105 | $16.4M | 1.12% | 48,000 | SH |
| 37 | ALBANY INTL CORP | AIN | 012348108 | $16.2M | 1.11% | 218,090 | SH |
| 38 | RISKIFIED LTD | RSKD | M8216R109 | $16.0M | 1.09% | 3,165,547 | SH |
| 39 | CALIX INC | CALX | 13100M509 | $15.7M | 1.07% | 420,500 | SH |
| 40 | WYNDHAM HOTELS & RESORTS INC | WH | 98311A105 | $13.3M | 0.91% | 157,567 | SH |
| 41 | STATE STR SPDR S&P 500 ETF T | SPY | 78462F103 | $11.2M | 0.77% | 15,000 | SH |
| 42 | MATRIX SVC CO | MTRX | 576853105 | $11.2M | 0.76% | 815,023 | SH |
| 43 | FLOOR & DECOR HLDGS INC | FND | 339750101 | $9.2M | 0.63% | 155,566 | SH |
| 44 | LIBERTY MEDIA CORP DEL | FWONA | 531229771 | $8.9M | 0.61% | 102,119 | SH |
| 45 | ORION S.A. | OEC | L72967109 | $7.9M | 0.54% | 1,190,579 | SH |
| 46 | APPLIED AEROSPACE & DEFENSE | AADX | 03815J107 | $7.5M | 0.51% | 329,178 | SH |
| 47 | APPLIED DIGITAL CORP | APLD | 038169207 | $5.6M | 0.38% | 150,000 | SH |
| 48 | CHECK POINT SOFTWARE TECH LT | CHKP | M22465104 | $5.5M | 0.37% | 41,500 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $1.46B | 48 | 0001214659-26-010396 |
| 2026-03-31 | 2026-05-15 | $1.26B | 47 | 0001214659-26-006431 |
| 2025-12-31 | 2026-02-17 | $1.13B | 44 | 0001214659-26-001996 |
| 2025-09-30 | 2025-11-14 | $1.12B | 46 | 0001214659-25-016663 |
SUITE 430
TARRYTOWN, NY 10591