PREFORMED LINE PRODUCTS CO (PLPC) Institutional Shareholders
PREFORMED LINE PRODUCTS CO (PLPC) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $1.01B in PLPC holdings during the latest filing period.
Hightower Advisors, Llc is currently the largest disclosed institutional shareholder of PLPC tracked by InsiderSet, reporting ownership valued at approximately $262.10M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $345.58M, representing an estimated gain of +31.85% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 71% of the total disclosed PLPC value among the investors covered in this analysis. Major shareholders include Hightower Advisors, Llc, Wasatch Advisors Lp, Dimensional Fund Advisors Lp, and several other long-term asset managers with concentrated positions in PREFORMED LINE PRODUCTS CO (PLPC).
This page ranks the largest institutional PLPC shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
185
Total Reported Value
$1.01B
Largest Holder
Hightower Advisors, Llc
Largest Position
$262.10M
Insider Transactions (90d)
10
Latest Filing Quarter
Q2 2026
New Institutional Positions
174
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Hightower Advisors, Llc | 0.28% | 968,067 | $262,104,140 | $345,580,558 | +$83,476,418 | +31.85% | |
| Wasatch Advisors Lp | 1.01% | 377,367 | $154,931,796 | $134,712,472 | -$20,219,324 | -13.05% | |
| Dimensional Fund Advisors Lp | 0.02% | 284,850 | $77,121,279 | $101,685,753 | +$24,564,474 | +31.85% | |
| Blackrock, Inc. | 0.00% | 204,704 | $55,423,611 | $73,075,234 | +$17,651,623 | +31.85% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.06% | 150,229 | $40,673,043 | $53,628,748 | +$12,955,705 | +31.85% | |
| Vanguard Capital Management Llc | 0.00% | 110,467 | $29,908,940 | $39,434,510 | +$9,525,570 | +31.85% | |
| Neuberger Berman Group Llc | 0.02% | 98,725 | $26,729,794 | $35,242,851 | +$8,513,057 | +31.85% | |
| Fmr Llc | 0.00% | 84,401 | $22,851,571 | $30,129,469 | +$7,277,898 | +31.85% | |
| Royce & Associates Lp | 0.21% | 77,494 | $20,981,501 | $27,663,808 | +$6,682,307 | +31.85% | |
| Geode Capital Management, Llc | 0.00% | 74,743 | $20,240,521 | $26,681,756 | +$6,441,235 | +31.82% | |
| American Century Companies Inc | 0.01% | 62,367 | $16,885,866 | $22,263,772 | +$5,377,906 | +31.85% | |
| State Street Corp | 0.00% | 59,632 | $16,145,364 | $21,287,431 | +$5,142,067 | +31.85% | |
| Tributary Capital Management, Llc | 1.29% | 38,262 | $15,708,855 | $13,658,769 | -$2,050,086 | -13.05% | |
| Vanguard Portfolio Management Llc | 0.00% | 49,542 | $13,413,497 | $17,685,503 | +$4,272,006 | +31.85% | |
| Invesco Ltd. | 0.00% | 42,581 | $11,528,806 | $15,200,565 | +$3,671,759 | +31.85% | |
| Goldman Sachs Group Inc | 0.00% | 41,722 | $11,296,232 | $14,893,920 | +$3,597,688 | +31.85% | |
| Qube Research & Technologies Ltd | 0.01% | 36,619 | $9,914,594 | $13,072,251 | +$3,157,657 | +31.85% | |
| Arrowstreet Capital, Limited Partnership | 0.01% | 34,140 | $9,243,405 | $12,187,297 | +$2,943,892 | +31.85% | |
| Northern Trust Corp | 0.00% | 30,586 | $8,281,160 | $10,918,590 | +$2,637,430 | +31.85% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 29,658 | $8,029,904 | $10,587,313 | +$2,557,409 | +31.85% |
| Grantham, Mayo, Van Otterloo & Co. Llc | 0.02% | 29,494 | $7,985,501 | $10,528,768 | +$2,543,267 | +31.85% | |
| Charles Schwab Investment Management Inc | 0.00% | 23,184 | $6,277,068 | $8,276,224 | +$1,999,156 | +31.85% | |
| Millennium Management Llc | 0.00% | 22,747 | $6,158,750 | $8,120,224 | +$1,961,474 | +31.85% | |
| Pnc Financial Services Group, Inc. | 0.00% | 22,501 | $6,092,146 | $8,032,407 | +$1,940,261 | +31.85% | |
| Jane Street Group, Llc | 0.01% | 21,394 | $5,792,425 | $7,637,230 | +$1,844,805 | +31.85% | |
| First Trust Advisors Lp | 0.00% | 21,144 | $5,724,738 | $7,547,985 | +$1,823,247 | +31.85% | |
| Informed Momentum Co Llc | 0.64% | 20,359 | $5,512,199 | $7,267,756 | +$1,755,557 | +31.85% | |
| Bank Of New York Mellon Corp | 0.00% | 18,731 | $5,071,481 | $6,686,592 | +$1,615,111 | +31.85% | |
| Ranger Investment Management, L.P. | 0.37% | 18,722 | $5,068,982 | $6,683,380 | +$1,614,398 | +31.85% | |
| Cardinal Capital Management | 0.61% | 12,198 | $5,008,011 | $4,354,442 | -$653,569 | -13.05% | |
| Man Group Plc | 0.01% | 17,975 | $4,866,731 | $6,416,716 | +$1,549,985 | +31.85% | |
| Morgan Stanley | 0.00% | 17,149 | $4,643,119 | $6,121,850 | +$1,478,731 | +31.85% | |
| Vanguard Fiduciary Trust Co | 0.00% | 16,912 | $4,578,924 | $6,037,246 | +$1,458,322 | +31.85% | |
| Victory Capital Management Inc | 0.00% | 15,989 | $4,329,022 | $5,707,753 | +$1,378,731 | +31.85% | |
| Two Sigma Investments, Lp | 0.00% | 14,817 | $4,011,703 | $5,289,373 | +$1,277,670 | +31.85% | |
| Susquehanna Portfolio Strategies, Llc | 0.05% | 13,256 | $3,589,062 | $4,732,127 | +$1,143,065 | +31.85% | |
| Ubs Group Ag | 0.00% | 12,860 | $3,481,845 | $4,590,763 | +$1,108,918 | +31.85% | |
| O'Shaughnessy Asset Management, Llc | 0.02% | 11,645 | $3,152,884 | $4,157,032 | +$1,004,148 | +31.85% | |
| Principal Financial Group Inc | 0.00% | 11,548 | $3,126,621 | $4,122,405 | +$995,784 | +31.85% | |
| Wealthbridge Capital Management, Llc | 0.62% | 7,611 | $3,124,772 | $2,716,975 | -$407,797 | -13.05% | |
| Russell Investments Group, Ltd. | 0.00% | 11,501 | $3,113,987 | $4,105,627 | +$991,640 | +31.84% | |
| Envestnet Asset Management Inc | 0.00% | 9,421 | $2,550,736 | $3,363,109 | +$812,373 | +31.85% | |
| Ritholtz Wealth Management | 0.04% | 9,389 | $2,541,950 | $3,351,685 | +$809,735 | +31.85% | |
| Raymond James Financial Inc | 0.00% | 9,179 | $2,485,265 | $3,276,719 | +$791,454 | +31.85% | |
| Martingale Asset Management L P | 0.06% | 9,048 | $2,449,746 | $3,229,955 | +$780,209 | +31.85% | |
| Riverwater Partners Llc | 0.79% | 8,785 | $2,378,539 | $3,136,069 | +$757,530 | +31.85% | |
| Quantinno Capital Management Lp | 0.00% | 7,748 | $2,097,771 | $2,765,881 | +$668,110 | +31.85% | |
| Polen Capital Management | David M. Polen | 0.01% | 7,341 | $1,987,576 | $2,620,590 | +$633,014 | +31.85% |
| Summerhaven Investment Management, Llc | 1.03% | 4,684 | $1,923,063 | $1,672,094 | -$250,969 | -13.05% | |
| Sowell Financial Services Llc | 0.06% | 4,615 | $1,894,734 | $1,647,463 | -$247,271 | -13.05% |
Frequently asked questions about PLPC
Who owns the most PLPC stock?
The largest holders of PLPC are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for PREFORMED LINE PRODUCTS CO (PLPC).
Is PLPC widely held by superinvestors?
Many widely followed stocks like PLPC appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly PLPC is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.