Preformed Line Products Company
Ownership
Ownership Structure
Who owns Preformed Line Products Company (PLPC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 52.5% of the shares are freely tradable; institutional investors hold 68.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| HighTower Advisors, LLC | 20.76 | 1,014,731 | +4.8 | 06/30/2026 |
| Wasatch Advisors LP | 7.72 | 377,367 | +234.3 | 06/30/2026 |
| BlackRock Inc | 4.65 | 227,108 | +10.9 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 4.47 | 218,377 | -23.3 | 06/30/2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 3.33 | 162,857 | +8.4 | 06/30/2026 |
| Vanguard Capital Management, LLC | 2.25 | 109,883 | -0.5 | 06/30/2026 |
| Geode Capital Management, LLC | 1.71 | 83,739 | +12.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Global X US Infrastructure Dev ETF | 2.76 | 134,747 | +0.7 | 09/30/2026 |
| Wasatch Core Growth | 2.31 | 112,955 | +0.0 | 06/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 1.59 | 77,563 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Ruhlman Randall M | 10% Owner | 860,930 | 239,941,191 $ | Aug 3, 2026 | both |
| Ruhlman Robert G | Executive Chairman | 249,673 | 69,583,865 $ | Jun 9, 2026 | direct |
| Cross Maegan Adams Ruhlman | Director | 18,000 | 5,016,600 $ | Jun 9, 2026 | indirect |
| Ruhlman Jon Ryan | President | 18,000 | 5,016,600 $ | Jun 9, 2026 | indirect |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 8, 2026 | Ruhlman Randall M | 10% Owner | Sell | 5,000 | 407.78 | 2,038,900 |
| Sep 4, 2026 | Ruhlman Randall M | 10% Owner | Sell | 142 | 400.04 | 56,806 |
| Aug 5, 2026 | Corlett Glen E | Director | Sell | 2,000 | 457.02 | 914,040 |
| Aug 3, 2026 | Ruhlman Randall M | 10% Owner | Other | 9,121 | 358.15 | 3,266,686 |
| Jun 9, 2026 | Cross Maegan Adams Ruhlman | Director | Other | 18,000 | 0.00 | – |
| Jun 9, 2026 | Ruhlman Jon Ryan | President | Other | 18,000 | 0.00 | – |
| Jun 9, 2026 | Ruhlman Robert G | Executive Chairman | Other | 18,000 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.