PLPC · Preformed Line Products Co · Shareholders & Ownership
Every disclosed holder of PLPC in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns PLPC
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positionsNo chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.
| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 3,316,253 | 67.84% |
| Insiders (Forms 3, 4, 5) | 2,341,381 | 47.89% |
| 13D/G-only blocks | 0 | 0.00% |
| Remaining | 768,933 | -15.73% |
| Registered funds (N-PORT, not summed) | 1,285,260 | 26.29% |
Shares outstanding: 4,888,701, the issuer's latest cover-page count restated onto today's split basis.
Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of PLPC
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
RUHLMAN ROBERT G
Insider
CIK 1160545 · Jun 9, 2026
Director, Executive Chairman, 10% Owner, issuer-wide
|
1,191,047 | ||
| 1.1 |
|
1,450,813 | ||
| 2 |
HighTower Advisors, LLC
13F
CIK 1462245 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,014,731 | ||
| 3 |
|
1,007,699 | ||
| 3.1 |
|
1,147,610 | ||
| 4 |
WASATCH ADVISORS LP
13F
CIK 814133 · Registered investment adviser · Sep 30, 2026
|
276,669 | ||
| 4.1 |
WASATCH ADVISORS LP
13G
CIK 814133 · Registered investment adviser · Sep 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
276,669 | ||
| 4.2 |
Wasatch Core Growth Fund
Fund
S000000877 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
|
112,955 | ||
| 4.3 |
Wasatch Small Cap Value Fund
Fund
S000000878 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
|
69,187 | ||
| 4.4 |
Wasatch Micro Cap Value Fund
Fund
S000000886 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
|
10,788 | ||
| 5 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
227,108 | ||
| 5.1 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
66,232 | ||
| 5.2 |
iShares Russell 2000 Growth ETF
Fund
S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
23,668 | ||
| 5.3 |
iShares Micro-Cap ETF
Fund
S000004439 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
8,442 | ||
| 5.4 |
Master Small Cap Index Series
Fund
S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
|
4,711 | ||
| 5.5 |
iShares Core S&P Total U.S. Stock Market ETF
Fund
S000004317 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
3,377 | ||
| 6 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
218,377 | ||
| 6.1 |
DIMENSIONAL FUND ADVISORS LP
13G
CIK 354204 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
218,377 | ||
| 6.2 |
U.S. MICRO CAP PORTFOLIO
Fund
S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
46,482 | ||
| 6.3 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
32,244 | ||
| 6.4 |
U.S. Targeted Value Portfolio
Fund
S000000970 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
27,559 | ||
| 6.5 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
16,118 | ||
| 7 |
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
13F
CIK 1705339 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
162,857 | ||
| 7.1 |
Global X U.S. Infrastructure Development ETF
Fund
S000056509 · Registered fund · May 31, 2026
GLOBAL X FUNDS, not summed
|
148,868 | ||
| 7.2 |
Global X Russell 2000 ETF
Fund
S000085029 · Registered fund · Jul 31, 2026
GLOBAL X FUNDS, not summed
|
1,208 | ||
| 8 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
109,883 | ||
| 9 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
83,739 | ||
| 10 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
77,563 | ||
| 11 |
FMR LLC
13F
CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
75,806 | ||
| 11.1 |
Fidelity Small Cap Growth Fund
Fund
S000007193 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
|
35,540 | ||
| 11.2 |
Fidelity Small Cap Index Fund
Fund
S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
27,618 | ||
| 11.3 |
Fidelity Enhanced Small Cap Core ETF
Fund
S000081807 · Registered fund · Jun 30, 2026
Fidelity Covington Trust, not summed
|
19,136 | ||
| 11.4 |
Fidelity Small Cap Growth K6 Fund
Fund
S000057285 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
|
17,750 | ||
| 11.5 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
13,486 | ||
| 12 |
ROYCE & ASSOCIATES LP
13F
CIK 906304 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
69,572 | ||
| 12.1 |
Royce Small-Cap Fund
Fund
S000009507 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
30,721 | ||
| 13 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
66,237 | ||
| 14 |
|
60,042 | ||
| 14.1 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
900 | ||
| 14.2 |
State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF
Fund
S000036082 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
|
389 | ||
| 14.3 |
State Street Total Return V.I.S. Fund
Fund
S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
|
64 | ||
| 14.4 |
State Street Balanced Index Fund
Fund
S000082802 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
14 | ||
| 15 |
Point72 Asset Management, L.P.
13F
CIK 1603466 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
50,843 | ||
| 16 |
Tributary Capital Management, LLC
13F
CIK 1441888 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
38,262 | ||
| 16.1 |
TRIBUTARY SMALL COMPANY FUND
Fund
S000022139 · Registered fund · Jun 30, 2026
TRIBUTARY CAPITAL MANAGEMENT, LLC, not summed
|
22,640 | ||
| 17 |
Invesco Ltd.
13F
CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
37,319 | ||
| 17.1 |
Invesco WilderHill Clean Energy ETF
Fund
S000003053 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
18,294 | ||
| 17.2 |
Invesco RAFI US 1500 Small-Mid ETF
Fund
S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
6,274 | ||
| 17.3 |
Invesco Dorsey Wright SmallCap Momentum ETF
Fund
S000037586 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
5,698 | ||
| 17.4 |
Invesco Dorsey Wright Utilities Momentum ETF
Fund
S000003046 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
4,186 | ||
| 17.5 |
Invesco Russell 2000 Dynamic Multifactor ETF
Fund
S000064608 · Registered fund · May 31, 2026
Invesco Exchange-Traded Self-Indexed Fund Trust, not summed
|
779 | ||
| 18 |
RENAISSANCE TECHNOLOGIES LLC
13F
CIK 1037389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
36,460 | ||
| 19 |
Qube Research & Technologies Ltd
13F
CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
32,090 | ||
| 20 |
FIRST TRUST ADVISORS LP
13F
CIK 1125816 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
29,873 | ||
| 20.1 |
First Trust Small Cap Core AlphaDEX Fund
Fund
S000017339 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
2,124 | ||
| 20.2 |
First Trust Active Factor Small Cap ETF
Fund
S000066790 · Registered fund · Aug 31, 2026
First Trust Exchange-Traded Fund VIII, not summed
|
167 | ||
| 21 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
29,765 | ||
| 22 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
29,409 | ||
| 22.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
3 | ||
| 23 |
PNC FINANCIAL SERVICES GROUP, INC.
13F
CIK 713676 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
26,578 | ||
| 24 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
25,256 | ||
| 24.1 |
Goldman Sachs Small Cap Equity Insights Fund
Fund
S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
3,875 | ||
| 24.2 |
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund
S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
3,408 | ||
| 24.3 |
Goldman Sachs Small Cap Growth Insights Fund
Fund
S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
2,567 | ||
| 24.4 |
Goldman Sachs Small Cap Value Insights Fund
Fund
S000014929 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
1,402 | ||
| 24.5 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
683 | ||
| 25 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
25,150 | ||
| 25.1 |
Small Cap Index Fund
Fund
S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
1,254 | ||
| 25.2 |
Small Cap Core Fund
Fund
S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
1,163 | ||
| 26 |
|
24,535 | ||
| 27 |
|
24,481 | ||
| 28 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
21,734 | ||
| 28.1 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
12,630 | ||
| 28.2 |
Schwab Small-Cap Index Fund
Fund
S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
6,118 | ||
| 28.3 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
1,873 | ||
| 28.4 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
1,518 | ||
| 29 |
First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund
Fund
S000026919 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund II, not summed
|
21,479 | ||
| 30 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
20,801 | ||
| 31 |
Informed Momentum Co LLC
13F
CIK 1510989 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
20,043 | ||
| 32 |
ROYCE SMALL-CAP TRUST, INC.
Fund
· Registered fund · Jun 30, 2026
ROYCE SMALL-CAP TRUST, INC., not summed
|
19,816 | ||
| 32.1 |
ROYCE MICRO-CAP TRUST, INC.
Fund
· Registered fund · Jun 30, 2026
ROYCE MICRO-CAP TRUST, INC., not summed
|
18,087 | ||
| 33 |
Ranger Investment Management, L.P.
13F
CIK 1319691 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
19,339 | ||
| 33.1 |
Ranger Micro Cap Fund
Fund
S000033850 · Registered fund · Jul 31, 2026
SPEND LIFE WISELY FUNDS INVESTMENT TRUST, not summed
|
663 | ||
| 34 |
Vaccariello Caroline Saylor
Insider
CIK 1385083 · Mar 10, 2026
General Counsel&Corp Secretary, issuer-wide
|
19,244 | ||
| 35 |
|
18,865 | ||
| 36 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
18,468 | ||
| 37 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
18,453 | ||
| 38 |
SEI INVESTMENTS CO
13F
CIK 350894 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
18,131 | ||
| 38.1 |
SIIT SMALL CAP FUND
Fund
S000006772 · Registered fund · May 31, 2026
SEI INSTITUTIONAL INVESTMENTS TRUST, not summed
|
986 | ||
| 38.2 |
SIIT SMALL CAP II FUND
Fund
S000036633 · Registered fund · May 31, 2026
SEI INSTITUTIONAL INVESTMENTS TRUST, not summed
|
956 | ||
| 38.3 |
SIIT EXTENDED MARKET INDEX FUND
Fund
S000035814 · Registered fund · May 31, 2026
SEI INSTITUTIONAL INVESTMENTS TRUST, not summed
|
490 | ||
| 39 |
|
17,569 | ||
| 40 |
RAYMOND JAMES FINANCIAL INC
13F
CIK 720005 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
17,403 | ||
| 41 |
PRICE T ROWE ASSOCIATES INC /MD/
13F
CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
17,123 | ||
| 41.1 |
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund
Fund
S000002074 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
|
11,080 | ||
| 41.2 |
T. Rowe Price Small-Cap Index Fund
Fund
S000051327 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
|
381 | ||
| 42 |
VANGUARD STRATEGIC SMALL-CAP EQUITY FUND
Fund
S000012432 · Registered fund · Jun 30, 2026
VANGUARD HORIZON FUNDS, not summed
|
14,082 | ||
| 43 |
VANGUARD RUSSELL 2000 INDEX FUND
Fund
S000030003 · Registered fund · May 31, 2026
VANGUARD SCOTTSDALE FUNDS, not summed
|
13,211 | ||
| 44 |
Avantis U.S. Small Cap Value ETF
Fund
S000066459 · Registered fund · May 31, 2026
American Century ETF Trust, not summed
|
13,171 | ||
| 45 |
PRINCIPAL FINANCIAL GROUP INC
13F
CIK 1126328 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
13,170 | ||
| 45.1 |
Principal U.S. Small-Cap ETF
Fund
S000055159 · Registered fund · Jun 30, 2026
Principal Exchange-Traded Funds, not summed
|
12,825 | ||
| 45.2 |
SmallCap Growth Fund I
Fund
S000007175 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
215 | ||
| 46 |
CAPITAL FUND MANAGEMENT S.A.
13F
CIK 1323645 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
12,705 | ||
| 47 |
Susquehanna Portfolio Strategies, LLC
13F
CIK 1996449 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
12,647 | ||
| 48 |
Cardinal Capital Management
13F
CIK 1434845 · Registered investment adviser · Sep 30, 2026
|
12,317 | ||
| 49 |
Russell Investments Group, Ltd.
13F
CIK 1692234 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
12,186 | ||
| 49.1 |
U.S. Small Cap Equity Fund
Fund
S000001586 · Registered fund · Jul 31, 2026
RUSSELL INVESTMENT CO, not summed
|
4,948 | ||
| 49.2 |
U.S. Small Cap Equity Fund
Fund
S000006864 · Registered fund · Jun 30, 2026
RUSSELL INVESTMENT FUNDS, not summed
|
1,232 | ||
| 50 |
VANGUARD STRATEGIC EQUITY FUND
Fund
S000002593 · Registered fund · Jun 30, 2026
VANGUARD HORIZON FUNDS, not summed
|
11,267 |
41 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
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