Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Harvey Partners, LLC 13F Holdings -- Portfolio & Top Positions (2026-03-31)

Harvey Partners, LLC (CIK 1406484) reported $1.26B across 45 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: ADEA ($66.2M, 5.27%), NPO ($63.5M, 5.06%), MKSI ($55.9M, 4.45%), NGVT ($53.0M, 4.21%), BWXT ($52.2M, 4.15%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1ADEAADEIA INC$66.2M5.27%2.8MAdded
2NPOENPRO INC$63.5M5.06%253,500Added
3MKSIMKS INC.$55.9M4.45%243,396Trimmed
4NGVTINGEVITY CORP$53.0M4.21%743,500Added
5BWXTBWX TECHNOLOGIES INC$52.2M4.15%255,300Added
6AZZAZZ INC$44.0M3.50%351,500Trimmed
7MTRNMATERION CORP$42.4M3.37%293,121Trimmed
8WCNWASTE CONNECTIONS INC$42.0M3.34%258,500Added
9LFUSLITTELFUSE INC$41.2M3.28%121,500Added
10NOVTNOVANTA INC$37.8M3.01%320,000Added
11MLMMARTIN MARIETTA MATLS INC$37.6M2.99%63,925Added
12ASTEASTEC INDS INC$36.2M2.88%672,200Added
13BVBRIGHTVIEW HLDGS INC$34.6M2.76%2.9MAdded
14BATRKATLANTA BRAVES HLDGS INC$34.4M2.74%806,000Added
15THRMGENTHERM INC$34.3M2.73%1.2MAdded
16BALLBALL CORP$33.1M2.63%560,000Added
17THRTHERMON GROUP HLDGS INC$32.6M2.59%646,728Trimmed
18AWIARMSTRONG WORLD INDS INC NEW$32.3M2.57%196,000Added
19RTORENTOKIL INITIAL PLC$30.7M2.44%975,500Added
20ULSUL SOLUTIONS INC$29.4M2.34%342,500Added
21CTSCTS CORP$28.4M2.26%594,400Added
22CALXCALIX INC$28.0M2.23%572,500Added
23POOLPOOL CORP$27.3M2.17%135,000New
24SMGSCOTTS MIRACLE-GRO CO$26.6M2.12%437,500Added
25LASRNLIGHT INC$23.6M1.88%413,584Trimmed

Source: SEC Form 13F filings · as of 2026-03-31