Harvey Partners, LLC
13F Reported Value
ⓘ$1.5B
incl. option notional
Equity Holdings
ⓘ$1.4B
Option Notional
ⓘ$18.0M
$18.0M puts / $0 calls
Holdings
48
Latest Filing
2026-06-30
Filing Quarter
Q2 2026
Portfolio Overview
Harvey Partners, LLC disclosed 48 positions worth $1.5B in its Form 13F-HR for Q2 2026 — $1.4B in common stock plus $18.0M of put/call option positions (reported at underlying notional value, not premium at risk), led by $NPO (Enpro Inc.) at 5.4% of the equity portfolio, followed by $MTRN and $MKSI. During the quarter the fund opened 6 new positions and exited 5 — including a new stake in $CECO and a full exit from $THR. The portfolio is most concentrated in Technology (27.8% of disclosed assets). All figures are sourced directly from Harvey Partners, LLC’s Form 13F-HR filing with the SEC under CIK 1406484.
AI Fund Analysis
DiversifyingSector Allocation
AUM History
Top Equity Holdings by Value
Option Positions
13F rules report options at the value of the underlying shares (notional) — not the premium paid or capital at risk. Shown separately from the equity sleeve above.
Quarterly Activity — Q2 2026
Click any card to unlockTop Holdings
- 55.0#1,276
Quality
$78.2M207,593 sh - 59.0#961
Quality
$65.4M220,068 sh - 61.2#799
Quality
$62.7M141,066 sh - 53.1
Quality
$54.8M734,307 sh - 70.2
Quality
$53.4M1,622,353 sh - 51.6
Quality
$51.2M112,547 sh - 62.9
Quality
$50.2M87,035 sh - 58.4
Quality
$50.1M323,137 sh - 68.2
Quality
$47.9M287,122 sh - 51.2
Quality
$47.7M294,122 sh
| Company | Quality | Value | Shares |
|---|---|---|---|
 Enpro Inc.$NPO | 55.0#1,276 | $78.2M | 207,593 |
 MATERION Corp$MTRN | 59.0#961 | $65.4M | 220,068 |
 MKS INC$MKSI | 61.2#799 | $62.7M | 141,066 |
 Ingevity Corp$NGVT | 53.1 | $54.8M | 734,307 |
 Adeia Inc.$ADEA | 70.2 | $53.4M | 1,622,353 |
 LITTELFUSE INC /DE$LFUS | 51.6 | $51.2M | 112,547 |
 MARTIN MARIETTA MATERIALS INC$MLM | 62.9 | $50.2M | 87,035 |
 AZZ INC$AZZ | 58.4 | $50.1M | 323,137 |
 Waste Connections, Inc.$WCN | 68.2 | $47.9M | 287,122 |
 NOVANTA INC$NOVT | 51.2 | $47.7M | 294,122 |
Unlock AI quality scores for every holding
32-signal composite ranking on each of Harvey Partners, LLC's 48 positions.
Showing top 10 of 48 holdings.
Sector Allocation
Technology
$401.1M
Industrials
$353.0M
Materials
$206.2M
Communication Services
$159.7M
Consumer Discretionary
$111.6M
Utilities
$77.9M
Healthcare
$77.8M
Consumer Staples
$43.6M
Full Holdings — Harvey Partners, LLC (Q2 2026)
All 48 disclosed positions from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.
| # | Ticker | Company | Value | Weight | QoQ | Quality |
|---|---|---|---|---|---|---|
| 1 | $NPO | Enpro Inc. | $78.2M | 5.4% | -18% | 55 |
| 2 | $MTRN | MATERION Corp | $65.4M | 4.5% | -25% | 59 |
| 3 | $MKSI | MKS INC | $62.7M | 4.3% | -42% | 61.2 |
| 4 | $NGVT | Ingevity Corp | $54.8M | 3.8% | -1% | 53.1 |
| 5 | $ADEA | Adeia Inc. | $53.4M | 3.7% | -41% | 70.2 |
| 6 | $LFUS | LITTELFUSE INC /DE | $51.2M | 3.5% | -7% | 51.6 |
| 7 | $MLM | MARTIN MARIETTA MATERIALS INC | $50.2M | 3.5% | +36% | 62.9 |
| 8 | $AZZ | AZZ INC | $50.1M | 3.5% | -8% | 58.4 |
| 9 | $WCN | Waste Connections, Inc. | $47.9M | 3.3% | +11% | 68.2 |
| 10 | $NOVT | NOVANTA INC | $47.7M | 3.3% | -8% | 51.2 |
| 11 |  $BWXT | BWX Technologies, Inc. | $47.3M | 3.3% | -5% | 63.8 |
| 12 |  $THRM | Gentherm Inc | $45.2M | 3.1% | +8% | 48.2 |
| 13 |  $BV | BrightView Holdings, Inc. | $43.6M | 3.0% | +5% | 42.9 |
| 14 |  $ASTE | ASTEC INDUSTRIES INC | $41.2M | 2.9% | +0% | 51.3 |
| 15 |  $BALL | BALL Corp | $40.8M | 2.8% | +17% | 61.1 |
| 16 |  $BATRA | Atlanta Braves Holdings, Inc. | $39.3M | 2.7% | -6% | 20.5 |
| 17 |  $POOL | POOL CORP | $37.4M | 2.6% | +29% | 51.8 |
| 18 |  $SMG | SCOTTS MIRACLE-GRO CO | $37.0M | 2.6% | +24% | 45.8 |
| 19 |  $CTS | CTS CORP | $35.5M | 2.5% | -8% | 57.4 |
| 20 |  $AWI | ARMSTRONG WORLD INDUSTRIES INC | $32.9M | 2.3% | +5% | 65.7 |
| 21 |  $ULS | UL Solutions Inc. | $32.7M | 2.3% | -6% | 65.2 |
| 22 |  $CWST | CASELLA WASTE SYSTEMS INC | $30.1M | 2.1% | +10% | 57.1 |
| 23 |  $CECO | CECO ENVIRONMENTAL CORP | $28.2M | 2.0% | NEW | 24.6 |
| 24 |  $RTO | RENTOKIL INITIAL PLC /FI | $28.2M | 1.9% | +1% | — |
| 25 |  $VPG | Vishay Precision Group, Inc. | $26.6M | 1.9% | -56% | 30.4 |
| 26 |  $MANU | Manchester United plc | $25.9M | 1.8% | -7% | — |
| 27 |  $KN | Knowles Corp | $25.5M | 1.8% | -8% | 47.5 |
| 28 |  $ICHR | ICHOR HOLDINGS, LTD. | $23.1M | 1.6% | -56% | — |
| 29 |  $BCPC | BALCHEM CORP | $23.0M | 1.6% | +19% | 64.5 |
| 30 |  $LASR | NLIGHT, INC. | $21.1M | 1.5% | -27% | 54.1 |
| 31 |  $NOK | NOKIA CORP | $19.3M | 1.3% | -51% | — |
| 32 |  $CTAS | CINTAS CORP | $19.0M | 1.3% | NEW | 68.7 |
| 33 | — | ISHARES TR - RUSSELL 2000 ETF | $18.0M | — | +85% | — |
| 34 |  $FWONA | Liberty Media Corp | $16.6M | 1.1% | +41% | 63.2 |
| 35 |  $SITE | SiteOne Landscape Supply, Inc. | $16.5M | 1.1% | NEW | 52.1 |
| 36 |  $PANW | Palo Alto Networks Inc | $16.4M | 1.1% | -47% | 65.5 |
| 37 |  $AIN | ALBANY INTERNATIONAL CORP /DE/ | $16.2M | 1.1% | NEW | 40.2 |
| 38 |  $RSKD | RISKIFIED LTD. | $16.0M | 1.1% | -7% | — |
| 39 |  $CALX | CALIX, INC | $15.7M | 1.1% | -27% | 56.6 |
| 40 |  $WH | WYNDHAM HOTELS & RESORTS, INC. | $13.3M | 0.9% | +30% | 51.3 |
| 41 |  $SPY | SPDR S&P 500 ETF TRUST | $11.2M | 0.8% | +15% | — |
| 42 |  $MTRX | MATRIX SERVICE CO | $11.2M | 0.8% | -10% | 49.3 |
| 43 |  $FND | Floor & Decor Holdings, Inc. | $9.2M | 0.6% | NEW | 54.5 |
| 44 | $FWONA | Liberty Media Corp | $8.9M | 0.6% | +70% | 63.2 |
| 45 |  $OEC | Orion S.A. | $7.9M | 0.6% | -9% | — |
| 46 |  $AADX | Applied Aerospace & Defense, Inc. | $7.5M | 0.5% | NEW | — |
| 47 |  $APLD | Applied Digital Corp. | $5.6M | 0.4% | +0% | 35.8 |
| 48 |  $CHKP | CHECK POINT SOFTWARE TECHNOLOGIES LTD | $5.5M | 0.4% | -62% | — |
New Positions (6)
Browse Top Institutional Investors
13F Pro tracks 8,700+ institutional investors filing 13F reports with the SEC.
to search all 8,700+ institutional filers.
Available Analysis
13F Pro tracks comprehensive institutional data for Harvey Partners, LLC including:
Track Harvey Partners, LLC's Full Portfolio
See every holding, quarter-over-quarter changes, sector allocation, and accumulation patterns for Harvey Partners, LLC and 8,700+ other institutional investors.
Free tier includes full 13F search and fund profiles. Pro starts at $6.67/mo (billed annually).
AI-Powered Hedge Fund Analysis: Harvey Partners, LLC
13F Pro is an AI hedge fund tracker and stock research platform. For Harvey Partners, LLC (SEC CIK: 1406484), the platform ingests every quarterly Form 13F filing and applies AI-powered analysis on top — 10 specialized AI analysts (value, growth, momentum, macro, activist, and more) debate the fund's top positions and publish AI-generated analysis with cited SEC sources.
Every holding in Harvey Partners, LLC's portfolio is scored on a 32-signal AI quality ranking (ROIC, FCF margin, revenue growth, institutional flow, earnings quality, shareholder dilution, and more). Track accumulation and distribution quarter over quarter, identify conviction positions, and see AI stock analysis for each position — alongside 8,700+ other institutional filers and 2,800+ AI-ranked companies.