Preformed Line Products Company (PLPC) Holders & Ownership

Preformed Line Products Company (PLPC) ownership: Randall M. Ruhlman 57% · institutions 68% (13F 2026-03-31). Insider activity, 90 days: 1 sales, 0 open-market buys. SEC EDGAR first-party data.

Top Institutional Holders (13F, rolled up by parent)

Source: SEC Form 13F
HolderSharesMarket Value% OutstandingReported
HighTower Advisors, LLC968067.00$262.10M19.8%2026-03-31
Dimensional Fund Advisors284850.00$77.12M5.8%2026-03-31
BlackRock204704.00$55.42M4.2%2026-03-31
Vanguard180969.00$49.00M3.7%2026-03-31
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.150229.00$40.67M3.1%2026-03-31
Wasatch Advisors LP112889.00$30.56M2.3%2026-03-31
Neuberger Berman98725.00$26.73M2.0%2026-03-31
FMR (Fidelity)84401.00$22.85M1.7%2026-03-31

Insider Trading Activity (Form 4)

Source: SEC Form 4
InsiderTransactionValueDate
Sellnull2026-08-05
Sellnull2026-08-03
Sellnull2026-08-03
Sellnull2026-06-09
Sellnull2026-06-09
Sellnull2026-06-09
Sellnull2026-03-13
Sellnull2026-03-12

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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.