2026 Q2 Portfolio Activity
In 2026 Q2, Harvey Partners, LLC maintained a portfolio of 53 distinct positions. The most significant new addition was CECO ENVIRONMENTAL CORP, now representing 1.93% of the total fund value. They heavily accumulated shares in ISHARES TR, increasing the position by 84.6%. Conversely, Harvey Partners, LLC completely exited their position in THERMON GROUP HLDGS INC.
Position History
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Total Positions
53
Quarter
2026 Q2
Top Holding
NPO (5.4%)
Top 10 Concentration
38.5%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 53
Harvey Partners, LLC Full Holdings List — 2026 Q2
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NPO
ENPRO INC
|
Industrials | 5.36% | 5.06% |
#1
1
Prev: #2
|
4.6 |
—
|
-45,907 | -18.1% |
P
S
|
207,593 | $78,248,029 | 2009 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
MTRN
MATERION CORP
|
Basic Materials | 4.48% | 3.37% |
#2
5
Prev: #7
|
3.3 |
—
|
-73,053 | -24.9% |
P
S
|
220,068 | $65,446,023 | 2012 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
MKSI
MKS INC.
|
Technology | 4.30% | 4.45% |
#3
Prev: #3
|
2.7 |
—
|
-102,330 | -42.0% |
P
S
|
141,066 | $62,746,157 | 2023 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
NGVT
INGEVITY CORP
|
Basic Materials | 3.75% | 4.21% |
#4
Prev: #4
|
2.5 |
—
|
-9,193 | -1.2% |
P
S
|
734,307 | $54,830,704 | 2024 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
ADEA
ADEIA INC
|
Technology | 3.66% | 5.27% |
#5
4
Prev: #1
|
2.0 |
—
|
-1,132,147 | -41.1% |
P
S
|
1,622,353 | $53,424,084 | 2022 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
LFUS
LITTELFUSE INC
|
Technology | 3.51% | 3.28% |
#6
3
Prev: #9
|
1.9 |
—
|
-8,953 | -7.4% |
P
S
|
112,547 | $51,246,026 | 2024 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
MLM
MARTIN MARIETTA...
|
Basic Materials | 3.44% | 2.99% |
#7
4
Prev: #11
|
3.9 |
—
|
23,110 | 36.2% |
P
S
|
87,035 | $50,193,085 | 2011 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
AZZ
AZZ INC
|
Industrials | 3.43% | 3.50% |
#8
2
Prev: #6
|
1.9 |
—
|
-28,363 | -8.1% |
P
S
|
323,137 | $50,102,392 | 2008 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
WCN
WASTE CONNECTIO...
|
Industrials | 3.28% | 3.34% |
#9
1
Prev: #8
|
3.3 |
—
|
28,622 | 11.1% |
P
S
|
287,122 | $47,860,366 | 2022 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
NOVT
NOVANTA INC
|
Technology | 3.27% | 3.01% |
#10
Prev: #10
|
1.8 |
—
|
-25,878 | -8.1% |
P
S
|
294,122 | $47,718,353 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
BWXT
BWX TECHNOLOGIE...
|
Industrials | 3.24% | 4.15% |
#11
6
Prev: #5
|
1.8 |
—
|
-12,193 | -4.8% |
P
S
|
243,107 | $47,320,778 | 2017 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
THRM
GENTHERM INC
|
Consumer Cyclical | 3.10% | 2.73% |
#12
3
Prev: #15
|
3.2 |
—
|
92,575 | 7.5% |
P
S
|
1,326,075 | $45,232,418 | 2024 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
BV
BRIGHTVIEW HLDG...
|
Industrials | 2.99% | 2.76% |
#13
Prev: #13
|
1.7 |
—
|
140,797 | 4.8% |
P
S
|
3,078,797 | $43,626,553 | 2024 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
ASTE
ASTEC INDS INC
|
Industrials | 2.82% | 2.88% |
#14
2
Prev: #12
|
1.6 |
—
|
1,800 | 0.3% |
P
S
|
674,000 | $41,242,060 | 2007 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
BALL
BALL CORP
|
Consumer Cyclical | 2.79% | 2.63% |
#15
1
Prev: #16
|
3.1 |
—
|
93,286 | 16.7% |
P
S
|
653,286 | $40,765,046 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
BATRK
ATLANTA BRAVES ...
|
Communication Services | 2.69% | 2.74% |
#16
2
Prev: #14
|
1.6 |
—
|
-49,168 | -6.1% |
P
S
|
756,832 | $39,279,581 | 2023 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
POOL
POOL CORP
|
Industrials | 2.56% | 2.17% |
#17
6
Prev: #23
|
3.5 |
—
|
39,074 | 28.9% |
P
S
|
174,074 | $37,408,503 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
SMG
SCOTTS MIRACLE-...
|
Basic Materials | 2.53% | 2.12% |
#18
6
Prev: #24
|
3.5 |
—
|
105,227 | 24.1% |
P
S
|
542,727 | $36,965,136 | 2025 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
CTS
CTS CORP
|
Technology | 2.43% | 2.26% |
#19
2
Prev: #21
|
1.5 |
—
|
-49,169 | -8.3% |
P
S
|
545,231 | $35,543,609 | 2020 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
AWI
ARMSTRONG WORLD...
|
Industrials | 2.25% | 2.57% |
#20
2
Prev: #18
|
1.4 |
—
|
9,087 | 4.6% |
P
S
|
205,087 | $32,900,057 | 2020 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
ULS
UL SOLUTIONS IN...
|
Industrials | 2.24% | 2.34% |
#21
1
Prev: #20
|
1.4 |
—
|
-21,844 | -6.4% |
P
S
|
320,656 | $32,662,020 | 2024 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
CWST
CASELLA WASTE S...
|
Industrials | 2.06% | 1.78% |
#22
5
Prev: #27
|
2.8 |
—
|
28,631 | 10.2% |
P
S
|
310,131 | $30,073,403 | 2025 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
CECO
CECO ENVIRONMEN...
|
Industrials | 1.93% | — |
#23
Prev: #—
|
4.3 |
—
|
311,132 | — |
NEW
|
311,132 | $28,232,118 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
RTO
RENTOKIL INITIA...
|
Industrials | 1.93% | 2.44% |
#24
5
Prev: #19
|
1.3 |
—
|
8,456 | 0.9% |
P
S
|
983,956 | $28,150,981 | 2022 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
VPG
VISHAY PRECISIO...
|
Technology | 1.82% | 1.39% |
#25
6
Prev: #31
|
0.7 |
—
|
-223,912 | -55.8% |
P
S
|
177,659 | $26,632,861 | 2013 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
MANU
MANCHESTER UTD ...
|
Communication Services | 1.77% | 1.62% |
#26
3
Prev: #29
|
1.2 |
—
|
-84,953 | -7.0% |
P
S
|
1,127,547 | $25,854,653 | 2022 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
KN
KNOWLES CORP
|
Technology | 1.74% | 1.36% |
#27
6
Prev: #33
|
1.2 |
—
|
-50,695 | -7.6% |
P
S
|
613,805 | $25,460,631 | 2014 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
ICHR
ICHOR HOLDINGS
|
Technology | 1.58% | 1.74% |
#28
Prev: #28
|
0.6 |
—
|
-263,305 | -56.1% |
P
S
|
205,874 | $23,115,533 | 2016 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
BCPC
BALCHEM CORP
|
Basic Materials | 1.57% | 1.55% |
#29
1
Prev: #30
|
2.6 |
—
|
21,257 | 18.5% |
P
S
|
136,057 | $22,986,830 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
LASR
NLIGHT INC
|
Technology | 1.44% | 1.88% |
#30
4
Prev: #26
|
0.6 |
—
|
-110,873 | -26.8% |
P
S
|
302,711 | $21,074,740 | 2023 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
NOK
NOKIA CORP
|
Technology | 1.32% | 1.88% |
#31
6
Prev: #25
|
0.5 |
—
|
-1,490,874 | -50.6% |
P
S
|
1,454,626 | $19,317,433 | 2017 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
CTAS
CINTAS CORP
|
Industrials | 1.30% | — |
#32
Prev: #—
|
4.0 |
—
|
111,547 | — |
NEW
|
111,547 | $18,971,914 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
IWM
PUT
ISHARES TR
|
PUT Option | 1.23% | 0.64% |
#33
11
Prev: #44
|
3.5 |
—
|
27,500 | 84.6% |
P
S
|
60,000 | $18,027,000 | 2008 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
FWONK
LIBERTY MEDIA C...
|
Communication Services | 1.13% | 0.84% |
#34
3
Prev: #37
|
3.0 |
—
|
50,500 | 40.9% |
P
S
|
174,000 | $16,554,360 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
SITE
SITEONE LANDSCA...
|
Industrials | 1.13% | — |
#35
Prev: #—
|
4.0 |
—
|
144,059 | — |
NEW
|
144,059 | $16,481,790 | 2016 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
PANW
PALO ALTO NETWO...
|
Technology | 1.12% | 1.16% |
#36
1
Prev: #35
|
0.4 |
—
|
-43,000 | -47.3% |
P
S
|
48,000 | $16,368,960 | 2013 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
AIN
ALBANY INTL COR...
|
Consumer Cyclical | 1.11% | — |
#37
Prev: #—
|
3.9 |
—
|
218,090 | — |
NEW
|
218,090 | $16,247,705 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
RSKD
RISKIFIED LTD
|
Technology | 1.09% | 1.06% |
#38
2
Prev: #36
|
0.9 |
—
|
-230,453 | -6.8% |
P
S
|
3,165,547 | $15,954,357 | 2022 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
CALX
CALIX INC
|
Technology | 1.07% | 2.23% |
#39
17
Prev: #22
|
0.4 |
—
|
-152,000 | -26.6% |
P
S
|
420,500 | $15,693,060 | 2024 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
WH
WYNDHAM HOTELS ...
|
Consumer Cyclical | 0.91% | 0.78% |
#40
Prev: #40
|
2.9 |
—
|
36,567 | 30.2% |
P
S
|
157,567 | $13,268,717 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
SPY
STATE STR SPDR ...
|
ETF | 0.77% | 0.67% |
#41
2
Prev: #43
|
2.3 |
—
|
2,000 | 15.4% |
P
S
|
15,000 | $11,201,550 | 2014 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
MTRX
MATRIX SVC CO
|
Industrials | 0.76% | 0.83% |
#42
4
Prev: #38
|
0.8 |
—
|
-89,977 | -9.9% |
P
S
|
815,023 | $11,165,815 | 2012 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
FND
FLOOR & DECOR H...
|
Consumer Cyclical | 0.63% | — |
#43
Prev: #—
|
3.8 |
—
|
155,566 | — |
NEW
|
155,566 | $9,234,398 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
FWONA
LIBERTY MEDIA C...
|
Communication Services | 0.61% | 0.37% |
#44
1
Prev: #45
|
3.2 |
—
|
42,119 | 70.2% |
P
S
|
102,119 | $8,939,497 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
OEC
ORION S.A.
|
Basic Materials | 0.54% | 0.67% |
#45
3
Prev: #42
|
0.7 |
—
|
-113,421 | -8.7% |
P
S
|
1,190,579 | $7,893,539 | 2014 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
N/A
APPLIED AEROSPA...
|
|
Unknown | 0.51% | — |
#46
Prev: #—
|
3.7 |
—
|
329,178 | — |
NEW
|
329,178 | $7,498,675 | — | 13F Filing | 2026-06-30 | 2026-08-14 | ||
|
APLD
APPLIED DIGITAL...
|
Technology | 0.38% | 0.28% |
#47
1
Prev: #46
|
1.2 |
—
|
no change | no change |
P
S
|
150,000 | $5,595,000 | 2022 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
CHKP
CHECK POINT SOF...
|
Technology | 0.37% | 1.24% |
#48
14
Prev: #34
|
0.1 |
—
|
-68,000 | -62.1% |
P
S
|
41,500 | $5,454,345 | 2023 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
VRNS
VARONIS SYS INC
|
Technology | 0.00% | 0.24% |
Sold All 😨
(Was: #47) |
0.0 |
—
|
-140,000 | -100.0% |
CLOSED
|
— | $— | 2022 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
DNOW
DNOW INC
|
Industrials | 0.00% | 0.69% |
Sold All 😨
(Was: #41) |
0.0 |
—
|
-730,943 | -100.0% |
CLOSED
|
— | $— | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 |
Showing 1-50 of 53 holdings