Preformed Line Products Company (PLPC) Institutional Ownership

Based on Q1 2026 13F filings, institutional ownership of Preformed Line Products Company stands at 47.4%, held across 179 reporting institutions.

HighTower Advisors, LLC is the largest reported institutional holder of PLPC, with approximately 968,067 shares worth $0.26B as of Q1 2026.

Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of PLPC, including RENAISSANCE TECHNOLOGIES LLC, MILLENNIUM MANAGEMENT LLC, JANE STREET GROUP, LLC.

Our composite Smart Money Score for PLPC is 82 out of 100 (Strong Smart Money). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.

54 institutions opened new positions in PLPC during Q1 2026, while 21 fully exited. 102 added to existing positions and 22 trimmed.

PLPC institutional ownership rose by 12.41 percentage points quarter-over-quarter, with a net change of +33 holders.

The top 10 institutions account for 67.3% of all reported 13F value in PLPC, and the top 25 account for 84.3%.

All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.