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Preformed Line Products Co

PLPC
Exchange
Nasdaq
Industry
Water, Sewer, Pipeline, Comm & Power Line Construction
SEC CIK
0000080035

In the last 90 days, Preformed Line Products Co insiders filed 0 open-market purchases and 2 sales; 206 institutions reported holding it in 13F filings for Q2 2026, worth $1.40B in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Preformed Line Products Co as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
185
+41 vs. Q4 2025
Shares held
3.26M
+274.2K (+9.2%) vs. Q4 2025
Total value
$882.7M
+$265.3M (+43.0%) vs. Q4 2025
New holders
56
50 more added
Sold out
15
46 more reduced

3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PLPC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 185 institutions
Q1 2021: 65 institutionsQ2 2021: 67 institutionsQ3 2021: 71 institutionsQ4 2021: 69 institutionsQ1 2022: 77 institutionsQ2 2022: 81 institutionsQ3 2022: 92 institutionsQ4 2022: 96 institutionsQ1 2023: 101 institutionsQ2 2023: 117 institutionsQ3 2023: 118 institutionsQ4 2023: 117 institutionsQ1 2024: 110 institutionsQ2 2024: 115 institutionsQ3 2024: 116 institutionsQ4 2024: 111 institutionsQ1 2025: 116 institutionsQ2 2025: 130 institutionsQ3 2025: 141 institutionsQ4 2025: 147 institutionsQ1 2026: 185 institutionsQ2 2026: 206 institutions
Value heldQ1 2026: $882.7M
Q1 2021: $156.4MQ2 2021: $168.2MQ3 2021: $147.6MQ4 2021: $133.3MQ1 2022: $128.7MQ2 2022: $129.1MQ3 2022: $148.3MQ4 2022: $157.4MQ1 2023: $252.7MQ2 2023: $313.2MQ3 2023: $331.9MQ4 2023: $270.2MQ1 2024: $258.5MQ2 2024: $252.4MQ3 2024: $297.4MQ4 2024: $260.5MQ1 2025: $331.3MQ2 2025: $474.6MQ3 2025: $590.7MQ4 2025: $650.7MQ1 2026: $882.7MQ2 2026: $1.40B
Institutions holding PLPC and their total value by quarter
QuarterHoldersValue
Q2 2026206$1.40B
Q1 2026185$882.7M
Q4 2025147$650.7M
Q3 2025141$590.7M
Q2 2025130$474.6M
Q1 2025116$331.3M
Q4 2024111$260.5M
Q3 2024116$297.4M
Q2 2024115$252.4M
Q1 2024110$258.5M
Q4 2023117$270.2M
Q3 2023118$331.9M
Q2 2023117$313.2M
Q1 2023101$252.7M
Q4 202296$157.4M
Q3 202292$148.3M
Q2 202281$129.1M
Q1 202277$128.7M
Q4 202169$133.3M
Q3 202171$147.6M
Q2 202167$168.2M
Q1 202165$156.4M

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Preformed Line Products Co; share changes are against Q4 2025.

Institutions holding PLPC in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Private Advisor Group, LLC2,550$690.4K0.00%−25−1.0%Reduced
California State Teachers Retirement System2,555$691.8K0.00%−19−0.7%Reduced
Janney Montgomery Scott LLC2,625$711.0K0.00%+405+18.2%Added
Vident Advisory, LLC2,692$728.9K0.01%+2,692New
RBF Capital, LLC2,800$758.1K0.04%00.0%Unchanged
Baker Ellis Asset Management LLC2,980$806.8K0.10%−330−10.0%Reduced
Virginia Retirement Systems Et Al3,100$839.3K0.01%+3,100New
Bank of America Corp3,165$856.9K0.00%+661+26.4%Added
Barclays PLC3,235$875.9K0.00%−2,399−42.6%Reduced
Rhumbline Advisers3,272$885.9K0.00%−24−0.7%Reduced
Advisor Group Holdings, Inc.3,594$973.1K0.00%+2,994+499.0%Added
XTX Topco Ltd3,631$983.1K0.02%+3,631New
JPMorgan Chase & Co4,028$1.06M0.00%+512+14.6%Added
BNP Paribas Arbitrage, SA3,970$1.07M0.00%+3,353+543.4%Added
Shaker Investments LLC4,002$1.08M0.49%−82−2.0%Reduced
Defiance ETFs, LLC4,032$1.09M0.02%+4,032New
Ingalls & Snyder LLC4,070$1.10M0.04%00.0%Unchanged
Clearstead Advisors, LLC4,126$1.12M0.01%00.0%Unchanged
Toroso Investments, LLC4,207$1.14M0.00%+1,226+41.1%Added
UBS Asset Management Americas Inc4,370$1.18M0.00%+54+1.3%Added
Nuveen, LLC4,408$1.19M0.00%+20+0.5%Added
Round Rock Advisors, LLC4,576$1.24M0.19%−3,229−41.4%Reduced
Creative Planning4,589$1.24M0.00%+2,039+80.0%Added
SummerHaven Investment Management, LLC4,684$1.27M0.78%−384−7.6%Reduced
LPL Financial LLC5,017$1.36M0.00%+2,106+72.3%Added
Swiss National Bank5,353$1.45M0.00%00.0%Unchanged
Susquehanna International Group, LLP5,409$1.46M0.00%+5,409New
Ausbil Investment Management Ltd5,209$1.52M0.76%−1,575−23.2%Reduced
Los Angeles Capital Management LLC5,612$1.52M0.01%+2,751+96.2%Added
Wells Fargo & Company5,660$1.53M0.00%+2,676+89.7%Added
Cambridge Investment Research Advisors, Inc.5,870$1.59M0.00%−2,035−25.7%Reduced
Robotti Robert5,935$1.61M0.25%00.0%Unchanged
Aquatic Capital Management LLC6,190$1.68M0.05%+6,190New
Connor, Clark & Lunn Investment Management Ltd.6,523$1.77M0.00%−65−1.0%Reduced
AQR Capital Management LLC6,688$1.81M0.00%+582+9.5%Added
Pullen Investment Management, LLC6,891$1.87M0.94%+92+1.4%Added
Storebrand Asset Management AS7,196$1.95M0.01%+19+0.3%Added
Polen Capital Management LLC7,341$1.99M0.01%+1,681+29.7%Added
WealthBridge Capital Management, LLC7,611$2.06M0.47%−400−5.0%Reduced
Quantinno Capital Management LP7,748$2.10M0.00%+3,072+65.7%Added
Riverwater Partners LLC8,785$2.38M0.79%+3,241+58.5%Added
Martingale Asset Management L P9,048$2.45M0.06%+189+2.1%Added
Raymond James Financial Inc9,179$2.49M0.00%+9,179New
Ritholtz Wealth Management9,389$2.54M0.04%+943+11.2%Added
Envestnet Asset Management Inc9,421$2.55M0.00%+9,421New
Russell Investments Group, Ltd.11,501$3.11M0.00%+11,241+4,323.5%Added
Principal Financial Group Inc11,548$3.13M0.00%+1,038+9.9%Added
O'Shaughnessy Asset Management, LLC11,645$3.15M0.02%+666+6.1%Added
Cardinal Capital Management12,186$3.30M0.43%+82+0.7%Added
UBS Group AG12,860$3.48M0.00%−9,769−43.2%Reduced
Susquehanna Portfolio Strategies, LLC13,256$3.59M0.05%00.0%Unchanged
Two Sigma Investments, LP14,817$4.01M0.00%−2,642−15.1%Reduced
Victory Capital Management Inc15,989$4.33M0.00%+15,989New
Vanguard Fiduciary Trust Co16,912$4.58M0.00%+16,912New
Morgan Stanley17,149$4.64M0.00%−5,321−23.7%Reduced
Man Group plc17,975$4.87M0.01%+4,345+31.9%Added
Ranger Investment Management, L.P.18,722$5.07M0.37%+18,722New
Bank of New York Mellon Corp18,731$5.07M0.00%−98−0.5%Reduced
EAM Investors, LLC20,359$5.51M0.64%−2,087−9.3%Reduced
First Trust Advisors LP21,144$5.72M0.00%+4,745+28.9%Added
Jane Street Group, LLC21,394$5.79M0.01%+15,343+253.6%Added
Millennium Management LLC22,747$6.16M0.00%+3,277+16.8%Added
Charles Schwab Investment Management Inc23,184$6.28M0.00%−3,289−12.4%Reduced
The PNC Financial Services Group, Inc.26,582$7.20M0.00%−4,928−15.6%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC29,494$7.99M0.02%−7,845−21.0%Reduced
Renaissance Technologies LLC29,658$8.03M0.01%−13,158−30.7%Reduced
Northern Trust Corp30,586$8.28M0.00%+1,069+3.6%Added
Arrowstreet Capital, Limited Partnership34,140$9.24M0.01%−987−2.8%Reduced
Qube Research & Technologies Ltd36,619$9.91M0.01%+26,738+270.6%Added
Tributary Capital Management, LLC39,391$10.7M1.04%+39,391New
Goldman Sachs Group Inc41,722$11.3M0.00%+6,856+19.7%Added
Invesco Ltd.42,581$11.5M0.00%−36,718−46.3%Reduced
Vanguard Portfolio Management LLC49,542$13.4M0.00%+49,542New
State Street Corp59,632$16.1M0.00%+1,529+2.6%Added
American Century Companies Inc62,367$16.9M0.01%−11,349−15.4%Reduced
Geode Capital Management, LLC74,743$20.2M0.00%+1,141+1.6%Added
Royce & Associates LP77,494$21.0M0.21%−40,209−34.2%Reduced
FMR LLC84,401$22.9M0.00%+507+0.6%Added
Neuberger Berman Group LLC98,725$26.7M0.02%+53,768+119.6%Added
Vanguard Capital Management LLC110,467$29.9M0.00%+110,467New
Wasatch Advisors Inc112,889$30.6M0.20%+112,889New
Mirae Asset Global ETFs Holdings Ltd.150,229$40.7M0.06%−72,785−32.6%Reduced
BlackRock, Inc.204,704$55.4M0.00%+5,081+2.5%Added
Dimensional Fund Advisors LP284,850$77.1M0.02%−22,636−7.4%Reduced
HighTower Advisors, LLC968,067$262.1M0.28%+1,882+0.2%Added
CM Management, LLC0$00.00%−25,000−100.0%Sold out
Lazard Asset Management LLC0$00.00%−17,668−100.0%Sold out
Congruence Capital, LLC0$00.00%−15,414−100.0%Sold out
Citadel Advisors LLC0$00.00%−12,121−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−2,100−100.0%Sold out
SEI Investments Co0$00.00%−2,057−100.0%Sold out
Polymer Capital Management (US) LLC0$00.00%−1,649−100.0%Sold out
Colony Group, LLC0$00.00%−1,500−100.0%Sold out
Marshall Wace, LLP0$00.00%−1,290−100.0%Sold out
Quest Partners LLC0$00.00%−196−100.0%Sold out
DekaBank Deutsche Girozentrale0$00.00%−253−100.0%Sold out
Montag A & Associates Inc0$00.00%−150−100.0%Sold out
Amalgamated Bank0$00.00%−81−100.0%Sold out
Laurel Wealth Advisors LLC0$00.00%−2−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−1−100.0%Sold out