Preformed Line Products Co (PLPC) shareholders
Close on Nov 12, 2026Market cap $1.43BP/E 24.7Yield 0.28%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Robert G. Ruhlman | 1,450,813 | 29.53% | 13D (active) amendment | Aug 29, 2024 |
| Randall M. Ruhlman | 1,147,610 | 23.36% | 13D (active) amendment | Aug 29, 2024 |
| Wasatch Advisors LP | 276,669 | 5.70% | 13G (passive) amendment | Sep 30, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of PLPC | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| HighTower Advisors, LLC | 1,014,731 | 20.79% | $416.61M | +46,664 | 0.40% |
| Wasatch Advisors LP | 377,367 | 7.73% | $154.93M | +264,478 | 1.01% |
| BlackRock, Inc. | 227,108 | 4.65% | $93.24M | +22,404 | 0.00% |
| Dimensional Fund Advisors LP | 218,377 | 4.47% | $89.65M | −66,473 | 0.02% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 162,857 | 3.34% | $66.86M | +12,628 | 0.08% |
| Vanguard Capital Management LLC | 109,883 | 2.25% | $45.11M | −584 | 0.00% |
| Geode Capital Management, LLC | 83,739 | 1.72% | $34.39M | +8,996 | 0.00% |
| FMR LLC | 75,806 | 1.55% | $31.12M | −8,595 | 0.00% |
| Royce & Associates LP | 69,572 | 1.43% | $28.56M | −7,922 | 0.23% |
| Vanguard Portfolio Management LLC | 66,237 | 1.36% | $27.19M | +16,695 | 0.00% |
| State Street Corp | 60,042 | 1.23% | $24.65M | +410 | 0.00% |
| Point72 Asset Management, L.P. | 50,843 | 1.04% | $20.87M | New | 0.02% |
| Tributary Capital Management, LLC | 38,262 | 0.78% | $15.71M | −1,129 | 1.29% |
| Invesco Ltd. | 37,319 | 0.76% | $15.32M | −5,262 | 0.00% |
| Renaissance Technologies LLC | 36,460 | 0.75% | $14.97M | +6,802 | 0.02% |
| Qube Research & Technologies Ltd | 32,090 | 0.66% | $13.17M | −4,529 | 0.01% |
| First Trust Advisors LP | 29,873 | 0.61% | $12.26M | +8,729 | 0.01% |
| Morgan Stanley | 29,409 | 0.60% | $12.07M | +12,260 | 0.00% |
| PNC Financial Services Group, Inc. | 26,578 | 0.54% | $10.91M | −4 | 0.01% |
| Goldman Sachs Group Inc | 25,256 | 0.52% | $10.37M | −16,466 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 207 | 3M | 70.0% | 47 / 59 | 62 / 23 | 1M | 0M |
| Q1 2026 | 185 | 3M | 66.8% | 56 / 50 | 47 / 15 | 1M | 0M |
| Q4 2025 | 147 | 3M | 64.5% | 19 / 51 | 46 / 13 | 0M | 0M |
| Q3 2025 | 141 | 3M | 61.7% | 31 / 38 | 39 / 19 | 0M | 0M |
| Q2 2025 | 129 | 3M | 60.9% | 24 / 42 | 29 / 10 | 1M | 0M |
| Q1 2025 | 116 | 2M | 49.3% | 14 / 35 | 36 / 8 | 1M | 0M |
| Q4 2024 | 111 | 2M | 41.8% | 12 / 34 | 37 / 17 | 0M | 0M |
| Q3 2024 | 116 | 2M | 47.7% | 18 / 38 | 33 / 16 | 1M | 0M |
| Q2 2024 | 115 | 2M | 41.6% | 21 / 41 | 29 / 15 | 0M | 0M |
| Q1 2024 | 110 | 2M | 42.0% | 12 / 32 | 41 / 18 | 0M | 0M |
| Q4 2023 | 117 | 2M | 41.6% | 12 / 48 | 34 / 12 | 0M | 0M |
| Q3 2023 | 118 | 2M | 41.9% | 12 / 42 | 36 / 10 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
211 funds held PLPC in Q2 2026, 45% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of PLPC | Value | % of fund | As of |
|---|---|---|---|---|---|
| Global X U.S. Infrastructure Development ETF | 148,868 | 3.05% | $55.05M | 0.41% | May 31, 2026 |
| Wasatch Core Growth Fund | 112,955 | 2.31% | $46.37M | 1.55% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 77,563 | 1.59% | $31.84M | 0.00% | Jun 30, 2026 |
| Wasatch Small Cap Value Fund | 69,187 | 1.42% | $28.41M | 2.02% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 66,232 | 1.36% | $27.19M | 0.03% | Jun 30, 2026 |
| U.S. Micro Cap Portfolio | 46,482 | 0.95% | $16.59M | 0.21% | Jul 31, 2026 |
| Fidelity Small Cap Growth Fund | 35,540 | 0.73% | $12.69M | 0.14% | Jul 31, 2026 |
| U.S. Small Cap Portfolio | 32,244 | 0.66% | $11.51M | 0.06% | Jul 31, 2026 |
| Royce Small-Cap Fund | 30,721 | 0.63% | $12.61M | 0.59% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 29,765 | 0.61% | $12.22M | 0.01% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 27,618 | 0.57% | $9.86M | 0.03% | Jul 31, 2026 |
| U.S. Targeted Value Portfolio | 27,559 | 0.56% | $9.84M | 0.06% | Jul 31, 2026 |
| iShares Russell 2000 Growth ETF | 23,668 | 0.48% | $9.72M | 0.06% | Jun 30, 2026 |
| Tributary Small Company Fund | 22,640 | 0.46% | $9.30M | 1.38% | Jun 30, 2026 |
| First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund | 21,479 | 0.44% | $8.82M | 0.07% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Jon Ryan Ruhlman | President, Director | 25,892 | 0.53% | Aug 4, 2026 |
| Robert G. Ruhlman | Executive Chairman, Director, 10% owner | 858,868 | 17.60% | Aug 4, 2026 |
| Andrew S. Klaus | CFO | 18,865 | 0.39% | Jun 12, 2026 |
| Timothy O'Shaughnessy | V.P. Human Resources | 3,342 | 0.07% | Jun 10, 2026 |
| John J. Olenik | VP-Research & Engineering | 6,506 | 0.13% | Jun 10, 2026 |
| Assaad A. Morcos | VP, US Manufacturing | 0 | – | Jun 10, 2026 |
| John M. Hofstetter | Executive Vice President | 532 | 0.01% | Jun 9, 2026 |
| Caroline Saylor Vaccariello | General Counsel&Corp Secretary | 19,244 | 0.39% | Mar 11, 2026 |
| Dennis F. McKenna | CEO | 24,535 | 0.50% | Mar 11, 2026 |
| William Koh | VP of Asia Pacific Region | 0 | – | Feb 6, 2026 |
| Glen E. Corlett | Director | 5,611 | 0.11% | Aug 6, 2026 |
| Maegan Adams Ruhlman Cross | Director | 24,481 | 0.50% | Aug 4, 2026 |
| C. Sunkle David | Director | 2,015 | 0.04% | Mar 11, 2026 |
| R. Steven Kestner | Director | 6,406 | 0.13% | Dec 17, 2025 |
| Richard R. Gascoigne | Director | 4,471 | 0.09% | Dec 17, 2025 |
| Matthew D. Frymier | Director | 2,615 | 0.05% | Dec 17, 2025 |
| Michael E. Gibbons | Director | 17,569 | 0.36% | Jul 2, 2025 |
| Randall M. Ruhlman | 10% owner | 860,930 | 17.64% | Sep 9, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Randall M. Ruhlman 10% owner | Sep 8, 2026 | Sale | −5,000 | $407.78 | $2.04M | 446,609 |
| Randall M. Ruhlman 10% owner | Sep 4, 2026 | Sale | −142 | $400.04 | $56.81K | 451,609 |
| Glen E. Corlett Director | Aug 5, 2026 | Sale | −2,000 | $457.02 | $914.04K | 0 |
| Randall M. Ruhlman 10% owner | Aug 3, 2026 | Other | −9,121 | $358.15 | $3.27M | 451,751 |
| Randall M. Ruhlman 10% owner | Aug 3, 2026 | Other | +9,121 | $358.15 | $3.27M | 414,321 |
| Andrew S. Klaus CFO | Jun 12, 2026 | Returned to company | −635 | $362.22 | $230.01K | 13,918 |
| Jon Ryan Ruhlman President, Director | Jun 11, 2026 | Returned to company | −1,000 | $360.68 | $360.68K | 2,784 |
| John J. Olenik VP-Research & Engineering | Jun 10, 2026 | Returned to company | −1,000 | $360.91 | $360.91K | 6,506 |
| Timothy O'Shaughnessy V.P. Human Resources | Jun 10, 2026 | Returned to company | −750 | $360.91 | $270.68K | 3,250 |
| Assaad A. Morcos VP, US Manufacturing | Jun 10, 2026 | Returned to company | −1,000 | $360.91 | $360.91K | 0 |
| Assaad A. Morcos VP, US Manufacturing | Jun 10, 2026 | Option exercise | +1,000 | $132.40 | $132.40K | 1,000 |
| Maegan Adams Ruhlman Cross Director | Jun 9, 2026 | Gift | +18,000 | – | – | 18,000 |
| Jon Ryan Ruhlman President, Director | Jun 9, 2026 | Gift | +18,000 | – | – | 18,000 |
| Robert G. Ruhlman Executive Chairman, Director, 10% owner | Jun 9, 2026 | Gift | −18,000 | – | – | 249,673 |
| Robert G. Ruhlman Executive Chairman, Director, 10% owner | Jun 9, 2026 | Gift | −18,000 | – | – | 267,673 |
| John M. Hofstetter Executive Vice President | Jun 8, 2026 | Returned to company | −3,446 | $358.45 | $1.24M | 0 |
| Robert G. Ruhlman Executive Chairman, Director, 10% owner | Mar 13, 2026 | Returned to company | −2,500 | $259.73 | $649.33K | 285,673 |
| Glen E. Corlett Director | Mar 12, 2026 | Returned to company | −400 | $260.24 | $104.10K | 5,611 |
| John J. Olenik VP-Research & Engineering | Mar 12, 2026 | Returned to company | −752 | $260.84 | $196.15K | 0 |
| Assaad A. Morcos VP, US Manufacturing | Mar 10, 2026 | Returned to company | −1,750 | $260.34 | $455.59K | 0 |
| Assaad A. Morcos VP, US Manufacturing | Mar 10, 2026 | Option exercise | +1,750 | $132.40 | $231.70K | 1,750 |
| Andrew S. Klaus CFO | Mar 10, 2026 | Returned to company | −2,365 | $260.34 | $615.70K | 14,553 |
| Timothy O'Shaughnessy V.P. Human Resources | Mar 10, 2026 | Returned to company | −1,244 | $260.34 | $323.86K | 4,000 |
| C. Sunkle David Director | Mar 10, 2026 | Returned to company | −1,600 | $260.34 | $416.54K | 1,607 |
| Dennis F. McKenna CEO | Mar 10, 2026 | Returned to company | −7,887 | $260.34 | $2.05M | 0 |
| Jon Ryan Ruhlman President, Director | Mar 10, 2026 | Returned to company | −2,000 | $260.34 | $520.68K | 3,784 |
| John M. Hofstetter Executive Vice President | Mar 10, 2026 | Returned to company | −6,000 | $260.34 | $1.56M | 3,446 |
| Caroline Saylor Vaccariello General Counsel&Corp Secretary | Mar 10, 2026 | Returned to company | −1,547 | $260.34 | $402.75K | 1,908 |
| Jon Ryan Ruhlman President, Director | Feb 4, 2026 | Tax withholding | −1,494 | $245.42 | $366.66K | 5,784 |
| Jon Ryan Ruhlman President, Director | Feb 4, 2026 | Award | +1,785 | – | – | 7,278 |
| Andrew S. Klaus CFO | Feb 4, 2026 | Tax withholding | −1,496 | $245.42 | $367.15K | 16,918 |
| Andrew S. Klaus CFO | Feb 4, 2026 | Award | +1,785 | – | – | 18,414 |
| Timothy O'Shaughnessy V.P. Human Resources | Feb 4, 2026 | Tax withholding | −1,041 | $245.42 | $255.48K | 5,244 |
| Timothy O'Shaughnessy V.P. Human Resources | Feb 4, 2026 | Award | +1,227 | – | – | 6,285 |
| John M. Hofstetter Executive Vice President | Feb 4, 2026 | Award | +1,696 | – | – | 10,870 |
| John M. Hofstetter Executive Vice President | Feb 4, 2026 | Tax withholding | −1,424 | $245.42 | $349.48K | 9,446 |
| Robert G. Ruhlman Executive Chairman, Director, 10% owner | Feb 4, 2026 | Tax withholding | −5,924 | $245.42 | $1.45M | 288,173 |
| Robert G. Ruhlman Executive Chairman, Director, 10% owner | Feb 4, 2026 | Award | +13,386 | – | – | 294,097 |
| Dennis F. McKenna CEO | Feb 4, 2026 | Award | +2,677 | – | – | 10,110 |
| Dennis F. McKenna CEO | Feb 4, 2026 | Tax withholding | −2,223 | $245.42 | $545.57K | 7,887 |
| Caroline Saylor Vaccariello General Counsel&Corp Secretary | Feb 4, 2026 | Tax withholding | −1,278 | $245.42 | $313.65K | 3,455 |
| Caroline Saylor Vaccariello General Counsel&Corp Secretary | Feb 4, 2026 | Award | +1,517 | – | – | 4,733 |
| John J. Olenik VP-Research & Engineering | Feb 4, 2026 | Award | +1,160 | – | – | 8,493 |
| John J. Olenik VP-Research & Engineering | Feb 4, 2026 | Tax withholding | −987 | $245.42 | $242.23K | 7,506 |
| Caroline Saylor Vaccariello General Counsel&Corp Secretary | Dec 31, 2025 | Option exercise | +1,308 | – | – | 3,216 |
| Dennis F. McKenna CEO | Dec 31, 2025 | Option exercise | +2,308 | – | – | 7,433 |
| Jon Ryan Ruhlman President, Director | Dec 31, 2025 | Option exercise | +1,539 | – | – | 5,493 |
| Andrew S. Klaus CFO | Dec 31, 2025 | Option exercise | +1,539 | – | – | 16,629 |
| John M. Hofstetter Executive Vice President | Dec 31, 2025 | Option exercise | +1,462 | – | – | 9,174 |
| Timothy O'Shaughnessy V.P. Human Resources | Dec 31, 2025 | Option exercise | +1,058 | – | – | 5,058 |
| John J. Olenik VP-Research & Engineering | Dec 31, 2025 | Option exercise | +1,000 | – | – | 7,333 |
| Richard R. Gascoigne Director | Dec 15, 2025 | Award | +360 | – | – | 360 |
| Richard R. Gascoigne Director | Dec 15, 2025 | Gift | −360 | – | – | 0 |
| Richard R. Gascoigne Director | Dec 15, 2025 | Gift | +360 | – | – | 4,111 |
| R. Steven Kestner Director | Dec 15, 2025 | Award | +360 | – | – | 6,406 |
| C. Sunkle David Director | Dec 15, 2025 | Award | +207 | – | – | 3,207 |
| Maegan Adams Ruhlman Cross Director | Dec 15, 2025 | Award | +207 | – | – | 5,972 |
| Matthew D. Frymier Director | Dec 15, 2025 | Other | −180 | – | – | 2,255 |
| Matthew D. Frymier Director | Dec 15, 2025 | Award | +360 | – | – | 360 |
| Matthew D. Frymier Director | Dec 15, 2025 | Gift | +360 | – | – | 2,435 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Preformed Line Products's stock actually held short. Settlement fails (shares not delivered on time) peaked at 493 shares on Sep 18, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Randall M. Ruhlman 10% Stockholder | Aug 19, 2026 | 10,000 | $4.45M | Aug 19, 2026 | Inheritance |
| Michael E. Gibbons Director | May 16, 2023 | 3,660 | $558.15K | May 16, 2023 | Stock Award |
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