Harvey Partners, LLC
13F Reported Value
ⓘ$1.3B
incl. option notional
Equity Holdings
ⓘ$1.2B
Option Notional
ⓘ$25.4M
$25.4M puts / $0 calls
Holdings
47
Latest Filing
2026-03-31
Filing Quarter
Q1 2026
Portfolio Overview
Harvey Partners, LLC disclosed 47 positions worth $1.3B in its Form 13F-HR for Q1 2026 — $1.2B in common stock plus $25.4M of put/call option positions (reported at underlying notional value, not premium at risk), led by $ADEA (Adeia Inc.) at 5.4% of the equity portfolio, followed by $NPO and $MKSI. During the quarter the fund opened 7 new positions and exited 4 — including a new stake in $POOL and a full exit from $CYBR. The portfolio is most concentrated in Technology (32.2% 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
ConcentratingSector 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 — Q1 2026
Click any card to unlockTop Holdings
- 57.6#1,029
Quality
$66.2M2,754,500 sh - 59.7#907
Quality
$63.5M253,500 sh - 59.8#897
Quality
$55.9M243,396 sh - 52.7
Quality
$53.0M743,500 sh - 68.0
Quality
$52.2M255,300 sh - 57.2
Quality
$44.0M351,500 sh - 53.4
Quality
$42.4M293,121 sh - —
Quality
$42.0M258,500 sh - 58.7
Quality
$41.2M121,500 sh - 50.5
Quality
$37.8M320,000 sh
| Company | Quality | Value | Shares |
|---|---|---|---|
 Adeia Inc.$ADEA | 57.6#1,029 | $66.2M | 2,754,500 |
 Enpro Inc.$NPO | 59.7#907 | $63.5M | 253,500 |
 MKS INC$MKSI | 59.8#897 | $55.9M | 243,396 |
 Ingevity Corp$NGVT | 52.7 | $53.0M | 743,500 |
 BWX Technologies, Inc.$BWXT | 68.0 | $52.2M | 255,300 |
 AZZ INC$AZZ | 57.2 | $44.0M | 351,500 |
 MATERION Corp$MTRN | 53.4 | $42.4M | 293,121 |
 Waste Connections, Inc.$WCN | — | $42.0M | 258,500 |
 LITTELFUSE INC /DE$LFUS | 58.7 | $41.2M | 121,500 |
 NOVANTA INC$NOVT | 50.5 | $37.8M | 320,000 |
Unlock AI quality scores for every holding
32-signal composite ranking on each of Harvey Partners, LLC's 47 positions.
Showing top 10 of 47 holdings.
Sector Allocation
Technology
$396.4M
Industrials
$276.2M
Materials
$168.6M
Communication Services
$164.2M
Healthcare
$72.4M
Utilities
$64.3M
Consumer Discretionary
$37.1M
Consumer Staples
$34.6M
Full Holdings — Harvey Partners, LLC (Q1 2026)
All 47 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 | $ADEA | Adeia Inc. | $66.2M | 5.4% | +5% | 57.6 |
| 2 | $NPO | Enpro Inc. | $63.5M | 5.2% | +2% | 59.7 |
| 3 | $MKSI | MKS INC | $55.9M | 4.5% | -16% | 59.8 |
| 4 | $NGVT | Ingevity Corp | $53.0M | 4.3% | +18% | 52.7 |
| 5 | $BWXT | BWX Technologies, Inc. | $52.2M | 4.2% | +2% | 68 |
| 6 | $AZZ | AZZ INC | $44.0M | 3.6% | -4% | 57.2 |
| 7 | $MTRN | MATERION Corp | $42.4M | 3.4% | -8% | 53.4 |
| 8 | $WCN | Waste Connections, Inc. | $42.0M | 3.4% | +15% | — |
| 9 | $LFUS | LITTELFUSE INC /DE | $41.2M | 3.4% | +3% | 58.7 |
| 10 | $NOVT | NOVANTA INC | $37.8M | 3.1% | +5% | 50.5 |
| 11 |  $MLM | MARTIN MARIETTA MATERIALS INC | $37.6M | 3.1% | +25% | 67.6 |
| 12 |  $ASTE | ASTEC INDUSTRIES INC | $36.2M | 2.9% | +8% | 51.4 |
| 13 |  $BV | BrightView Holdings, Inc. | $34.6M | 2.8% | +13% | 41.7 |
| 14 |  $BATRA | Atlanta Braves Holdings, Inc. | $34.4M | 2.8% | +9% | 30.8 |
| 15 |  $THRM | Gentherm Inc | $34.3M | 2.8% | +18% | 41.4 |
| 16 |  $BALL | BALL Corp | $33.1M | 2.7% | +24% | 54.2 |
| 17 |  $THR | Thermon Group Holdings, Inc. | $32.6M | 2.6% | -16% | 58.1 |
| 18 |  $AWI | ARMSTRONG WORLD INDUSTRIES INC | $32.3M | 2.6% | +14% | 69.6 |
| 19 |  $RTO | RENTOKIL INITIAL PLC /FI | $30.7M | 2.5% | +10% | — |
| 20 |  $ULS | UL Solutions Inc. | $29.4M | 2.4% | +11% | 64.1 |
| 21 |  $CTS | CTS CORP | $28.4M | 2.3% | +9% | 58.6 |
| 22 |  $CALX | CALIX, INC | $28.0M | 2.3% | +7% | 46.8 |
| 23 |  $POOL | POOL CORP | $27.3M | 2.2% | NEW | 56.3 |
| 24 |  $SMG | SCOTTS MIRACLE-GRO CO | $26.6M | 2.2% | +99% | 74.9 |
| 25 |  $NOK | NOKIA CORP | $23.7M | 1.9% | -12% | — |
| 26 |  $LASR | NLIGHT, INC. | $23.6M | 1.9% | -66% | 41.3 |
| 27 |  $CWST | CASELLA WASTE SYSTEMS INC | $22.3M | 1.8% | +44% | 48.6 |
| 28 |  $ICHR | ICHOR HOLDINGS, LTD. | $21.9M | 1.8% | -3% | — |
| 29 |  $MANU | Manchester United plc | $20.4M | 1.7% | +10% | — |
| 30 |  $BCPC | BALCHEM CORP | $19.5M | 1.6% | -1% | 65.9 |
| 31 |  $VPG | Vishay Precision Group, Inc. | $17.4M | 1.4% | +5% | 33 |
| 32 |  $QQQPUT | INVESCO QQQ TRUST, SERIES 1 | $17.3M | — | NEW | — |
| 33 |  $KN | Knowles Corp | $17.1M | 1.4% | +2% | 61.9 |
| 34 |  $CHKP | CHECK POINT SOFTWARE TECHNOLOGIES LTD | $15.6M | 1.3% | -11% | — |
| 35 |  $PANW | Palo Alto Networks Inc | $14.6M | 1.2% | NEW | 66.5 |
| 36 |  $RSKD | RISKIFIED LTD. | $13.3M | 1.1% | +10% | — |
| 37 |  $FWONA | Liberty Media Corp | $10.5M | 0.8% | NEW | 51 |
| 38 |  $MTRX | MATRIX SERVICE CO | $10.4M | 0.8% | +6% | 47.4 |
| 39 |  $GLDD | Great Lakes Dredge & Dock CORP | $10.4M | 0.8% | -84% | 64.8 |
| 40 |  $WH | WYNDHAM HOTELS & RESORTS, INC. | $9.8M | 0.8% | NEW | 61.4 |
| 41 |  $DNOW | DNOW Inc. | $8.7M | 0.7% | -62% | 49.6 |
| 42 |  $OEC | Orion S.A. | $8.5M | 0.7% | -46% | — |
| 43 |  $SPY | SPDR S&P 500 ETF TRUST | $8.5M | 0.7% | NEW | — |
| 44 | — | ISHARES TR | $8.1M | — | -46% | — |
| 45 | $FWONA | Liberty Media Corp | $4.7M | 0.4% | NEW | 51 |
| 46 |  $APLD | Applied Digital Corp. | $3.6M | 0.3% | -40% | 35.4 |
| 47 |  $VRNS | VARONIS SYSTEMS INC | $3.0M | 0.2% | -66% | 44.5 |
New Positions (7)
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