Harvey Partners, LLC — 13F Holdings & Portfolio
CIK 1406484 · latest 13F-HR filed 2026-05-15
Harvey Partners, LLC manages $1.26B in 13F-reported U.S. long-equity assets across 47 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are ADEA (5.27%), NPO (5.06%), MKSI (4.45%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 6 new positions, exited 4, added to 25, and trimmed 9.
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.
$1.26B
Long-equity book
47
Distinct positions
2026-03-31
Filed 2026-05-15
+6 / −4 / ↑25 / ↓9
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- ADEIA INC$21.1M +46.7%
- INGEVITY CORP$15.7M +42.2%
- SCOTTS MIRACLE-GRO CO$13.8M +107.2%
- ICHOR HOLDINGS$13.0M +145.9%
- LITTELFUSE INC$11.5M +38.7%
Top Trims
- GREAT LAKES DREDGE & DOCK CO-$38.2M -78.7%
- NLIGHT INC-$21.5M -47.7%
- DNOW INC-$17.0M -66.1%
- VARONIS SYS INC-$10.3M -77.4%
- CHECK POINT SOFTWARE TECH LT-$7.2M -31.5%
New Positions
- POOL CORP$27.3M
- PALO ALTO NETWORKS INC$14.6M
- LIBERTY MEDIA CORP DEL$10.5M
- WYNDHAM HOTELS & RESORTS INC$9.8M
- STATE STR SPDR S&P 500 ETF T$8.5M
Exited Positions
- CYBERARK SOFTWARE LTD$19.7M
- VANGUARD INDEX FDS$8.9M
- MIAMI INTL HLDGS INC$2.2M
- NEPTUNE INS HLDGS INC$583.2K
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 | ADEIA INC | ADEA | 00676P107 | $66.2M | 5.27% | 2,754,500 | SH |
| 2 | ENPRO INC | NPO | 29355X107 | $63.5M | 5.06% | 253,500 | SH |
| 3 | MKS INC. | MKSI | 55306N104 | $55.9M | 4.45% | 243,396 | SH |
| 4 | INGEVITY CORP | NGVT | 45688C107 | $53.0M | 4.21% | 743,500 | SH |
| 5 | BWX TECHNOLOGIES INC | BWXT | 05605H100 | $52.2M | 4.15% | 255,300 | SH |
| 6 | AZZ INC | AZZ | 002474104 | $44.0M | 3.50% | 351,500 | SH |
| 7 | MATERION CORP | MTRN | 576690101 | $42.4M | 3.37% | 293,121 | SH |
| 8 | WASTE CONNECTIONS INC | WCN | 94106B101 | $42.0M | 3.34% | 258,500 | SH |
| 9 | LITTELFUSE INC | LFUS | 537008104 | $41.2M | 3.28% | 121,500 | SH |
| 10 | NOVANTA INC | NOVT | 67000B104 | $37.8M | 3.01% | 320,000 | SH |
| 11 | MARTIN MARIETTA MATLS INC | MLM | 573284106 | $37.6M | 2.99% | 63,925 | SH |
| 12 | ASTEC INDS INC | ASTE | 046224101 | $36.2M | 2.88% | 672,200 | SH |
| 13 | BRIGHTVIEW HLDGS INC | BV | 10948C107 | $34.6M | 2.76% | 2,938,000 | SH |
| 14 | ATLANTA BRAVES HLDGS INC | BATRK | 047726302 | $34.4M | 2.74% | 806,000 | SH |
| 15 | GENTHERM INC | THRM | 37253A103 | $34.3M | 2.73% | 1,233,500 | SH |
| 16 | BALL CORP | BALL | 058498106 | $33.1M | 2.63% | 560,000 | SH |
| 17 | THERMON GROUP HLDGS INC | THR | 88362T103 | $32.6M | 2.59% | 646,728 | SH |
| 18 | ARMSTRONG WORLD INDS INC NEW | AWI | 04247X102 | $32.3M | 2.57% | 196,000 | SH |
| 19 | RENTOKIL INITIAL PLC | RTO | 760125104 | $30.7M | 2.44% | 975,500 | SH |
| 20 | UL SOLUTIONS INC | ULS | 903731107 | $29.4M | 2.34% | 342,500 | SH |
| 21 | CTS CORP | CTS | 126501105 | $28.4M | 2.26% | 594,400 | SH |
| 22 | CALIX INC | CALX | 13100M509 | $28.0M | 2.23% | 572,500 | SH |
| 23 | POOL CORP | POOL | 73278L105 | $27.3M | 2.17% | 135,000 | SH |
| 24 | SCOTTS MIRACLE-GRO CO | SMG | 810186106 | $26.6M | 2.12% | 437,500 | SH |
| 25 | NOKIA CORP | NOK | 654902204 | $23.7M | 1.88% | 2,945,500 | SH |
| 26 | NLIGHT INC | LASR | 65487K100 | $23.6M | 1.88% | 413,584 | SH |
| 27 | CASELLA WASTE SYS INC | CWST | 147448104 | $22.3M | 1.78% | 281,500 | SH |
| 28 | ICHOR HOLDINGS | ICHR | G4740B105 | $21.9M | 1.74% | 469,179 | SH |
| 29 | MANCHESTER UTD PLC NEW | MANU | G5784H106 | $20.4M | 1.62% | 1,212,500 | SH |
| 30 | BALCHEM CORP | BCPC | 057665200 | $19.5M | 1.55% | 114,800 | SH |
| 31 | VISHAY PRECISION GROUP INC | VPG | 92835K103 | $17.4M | 1.39% | 401,571 | SH |
| 32 | INVESCO QQQ TR Put | QQQ | 46090E103 | $17.3M | 1.38% | 30,000 | SH |
| 33 | KNOWLES CORP | KN | 49926D109 | $17.1M | 1.36% | 664,500 | SH |
| 34 | CHECK POINT SOFTWARE TECH LT | CHKP | M22465104 | $15.6M | 1.24% | 109,500 | SH |
| 35 | PALO ALTO NETWORKS INC | PANW | 697435105 | $14.6M | 1.16% | 91,000 | SH |
| 36 | RISKIFIED LTD | RSKD | M8216R109 | $13.3M | 1.06% | 3,396,000 | SH |
| 37 | LIBERTY MEDIA CORP DEL | FWONK | 531229755 | $10.5M | 0.84% | 123,500 | SH |
| 38 | MATRIX SVC CO | MTRX | 576853105 | $10.4M | 0.83% | 905,000 | SH |
| 39 | GREAT LAKES DREDGE & DOCK CO | GLDD | 390607109 | $10.4M | 0.83% | 610,000 | SH |
| 40 | WYNDHAM HOTELS & RESORTS INC | WH | 98311A105 | $9.8M | 0.78% | 121,000 | SH |
| 41 | DNOW INC | DNOW | 67011P100 | $8.7M | 0.69% | 730,943 | SH |
| 42 | ORION S.A. | OEC | L72967109 | $8.5M | 0.67% | 1,304,000 | SH |
| 43 | STATE STR SPDR S&P 500 ETF T | SPY | 78462F103 | $8.5M | 0.67% | 13,000 | SH |
| 44 | ISHARES TR Put | IWM | 464287655 | $8.1M | 0.64% | 32,500 | SH |
| 45 | LIBERTY MEDIA CORP DEL | FWONA | 531229771 | $4.7M | 0.37% | 60,000 | SH |
| 46 | APPLIED DIGITAL CORP | APLD | 038169207 | $3.6M | 0.28% | 150,000 | SH |
| 47 | VARONIS SYS INC | VRNS | 922280102 | $3.0M | 0.24% | 140,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 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 |