Harvey Partners, LLC
Top Portfolio Positions
44 positions ·
$1,213,898,419 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| ADEA |
Adeia Inc.
Technology
|
2,754,500 | $66,190,635 | 5.45% | |
| NPO |
Enpro Inc.
Industrials
|
253,500 | $63,539,775 | 5.23% | |
| MKSI |
Mks Inc
Technology
|
243,396 | $55,934,834 | 4.61% | |
| NGVT |
Ingevity Corp
Basic Materials
|
743,500 | $52,959,505 | 4.36% | |
| BWXT |
BWX Technologies, Inc.
Industrials
|
255,300 | $52,206,297 | 4.30% | |
| AZZ |
Azz Inc
Industrials
|
351,500 | $43,983,195 | 3.62% | |
| MTRN |
MATERION Corp
Basic Materials
|
293,121 | $42,399,952 | 3.49% | |
| WCN |
Waste Connections, Inc.
Industrials
|
258,500 | $41,990,740 | 3.46% | |
| LFUS |
Littelfuse Inc /De
Technology
|
121,500 | $41,231,025 | 3.40% | |
| NOVT |
Novanta Inc
Technology
|
320,000 | $37,795,200 | 3.11% |
Portfolio Trend
25 quarters · across all stocks
Holdings in MKSI
Shares Held
Position Value (USD)
12 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $55,934,834 | 243,396 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $46,213,680 | 289,197 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $35,769,530 | 289,000 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $26,787,356 | 269,599 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $20,919,150 | 261,000 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $19,781,905 | 189,500 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $18,480,700 | 170,000 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $18,999,390 | 145,500 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $20,615,000 | 155,000 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $15,379,065 | 149,500 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $14,235,830 | 164,500 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $16,755,500 | 155,000 | Shares | Sole | 2023-08-14 | |
| No 13F history on record for this holder in this stock. | ||||||