ROG · Rogers Corp · Shareholders & Ownership
Every disclosed holder of ROG 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 ROG
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) | 18,100,954 | 101.41% |
| Insiders (Forms 3, 4, 5) | 215,561 | 1.21% |
| 13D/G-only blocks | 1,443,658 | 8.09% |
| Remaining | 1,911,638 | -10.71% |
| Registered funds (N-PORT, not summed) | 8,792,086 | 49.26% |
Shares outstanding: 17,848,535, 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 ROG
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,398,846 | ||
| 1.1 |
iShares Core S&P Small-Cap ETF
Fund
S000004313 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,000,207 | ||
| 1.2 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
465,400 | ||
| 1.3 |
iShares Russell 2000 Value ETF
Fund
S000004342 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
169,634 | ||
| 1.4 |
iShares S&P Small-Cap 600 Value ETF
Fund
S000004316 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
142,912 | ||
| 1.5 |
Master Small Cap Index Series
Fund
S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
|
33,158 | ||
| 2 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,362,118 | ||
| 3 |
Capital Research Global Investors
13F
CIK 1422848 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,113,813 | ||
| 3.1 |
Capital Research Global Investors
13G
CIK 1422848 · Investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
1,113,813 | ||
| 4 |
SMALLCAP World Fund Inc
Fund
S000009599 · Registered fund · Jun 30, 2026
SMALLCAP World Fund Inc, not summed
|
1,084,512 | ||
| 5 |
NORGES BANK
13F
CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
952,212 | ||
| 5.1 |
NORGES BANK
13G
CIK 1374170 · Non-US institution · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
984,922 | ||
| 6 |
BlackRock Portfolio Management LLC
13G
CIK 2052113 · Holding company · Sep 30, 2025
Rule 13d-1(b), qualified institution
|
844,330 | ||
| 7 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
789,641 | ||
| 8 |
|
701,828 | ||
| 8.1 |
State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF
Fund
S000041317 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
152,772 | ||
| 8.2 |
State Street(R) SPDR(R) S & P 600(TM) Small Cap Value ETF
Fund
S000006974 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
86,282 | ||
| 8.3 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
6,395 | ||
| 8.4 |
State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF
Fund
S000006973 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
3,356 | ||
| 8.5 |
State Street Total Return V.I.S. Fund
Fund
S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
|
458 | ||
| 9 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
601,760 | ||
| 9.1 |
U.S. SMALL CAP VALUE PORTFOLIO
Fund
S000000987 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
119,955 | ||
| 9.2 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
82,657 | ||
| 9.3 |
U.S. MICRO CAP PORTFOLIO
Fund
S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
70,082 | ||
| 9.4 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
59,659 | ||
| 9.5 |
Dimensional US Small Cap Value ETF
Fund
S000075151 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
57,230 | ||
| 10 |
Starboard Value LP
13D
CIK 1517137 · Registered investment adviser · Jan 21, 2026
Item 4 purpose: not restated by this amendment, the earlier 13D's purpose stands
|
599,328 | ||
| 11 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
567,666 | ||
| 12 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
500,183 | ||
| 13 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
409,170 | ||
| 14 |
VANGUARD INFORMATION TECHNOLOGY INDEX FUND
Fund
S000004452 · Registered fund · May 31, 2026
VANGUARD WORLD FUND, not summed
|
388,085 | ||
| 15 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
352,147 | ||
| 15.1 |
Goldman Sachs Small Cap Value Fund
Fund
S000009323 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
|
38,456 | ||
| 15.2 |
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund
S000048296 · Registered fund · Aug 31, 2026
Goldman Sachs ETF Trust, not summed
|
9,386 | ||
| 15.3 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Aug 31, 2026
GOLDMAN SACHS TRUST, not summed
|
973 | ||
| 16 |
Clearline Capital LP
13F
CIK 1600136 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
348,002 | ||
| 17 |
Thrivent Financial for Lutherans
13F
CIK 314984 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
334,289 | ||
| 17.1 |
THRIVENT SMALL CAP STOCK FUND
Fund
S000001358 · Registered fund · Jul 31, 2026
Thrivent Mutual Funds, not summed
|
226,174 | ||
| 17.2 |
THRIVENT SMALL CAP STOCK PORTFOLIO
Fund
S000001445 · Registered fund · Jun 30, 2026
Thrivent Series Fund, Inc., not summed
|
75,147 | ||
| 17.3 |
THRIVENT SMALL CAP INDEX PORTFOLIO
Fund
S000001446 · Registered fund · Jun 30, 2026
Thrivent Series Fund, Inc., not summed
|
10,900 | ||
| 17.4 |
THRIVENT AGGRESSIVE ALLOCATION FUND
Fund
S000000700 · Registered fund · Jul 31, 2026
Thrivent Mutual Funds, not summed
|
7,524 | ||
| 17.5 |
THRIVENT MODERATELY AGGRESSIVE ALLOCATION FUND
Fund
S000001347 · Registered fund · Jul 31, 2026
Thrivent Mutual Funds, not summed
|
3,842 | ||
| 18 |
Leeward Investments, LLC - MA
13F
CIK 1923173 · Registered investment adviser · Sep 30, 2026
|
328,731 | ||
| 19 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
315,892 | ||
| 19.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
34 | ||
| 20 |
TWO SIGMA INVESTMENTS, LP
13F
CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
300,059 | ||
| 21 |
NEUBERGER BERMAN GROUP LLC
13F
CIK 1465109 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
276,949 | ||
| 21.1 |
Neuberger Intrinsic Value Fund
Fund
S000028676 · Registered fund · May 31, 2026
NEUBERGER BERMAN EQUITY FUNDS, not summed
|
65,565 | ||
| 22 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
259,993 | ||
| 22.1 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · Aug 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
79,061 | ||
| 22.2 |
Schwab Fundamental U.S. Small Company ETF
Fund
S000040878 · Registered fund · Aug 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
73,370 | ||
| 22.3 |
Schwab Small-Cap Index Fund
Fund
S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
43,950 | ||
| 22.4 |
Schwab Fundamental U.S. Small Company Index Fund
Fund
S000016767 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
19,146 | ||
| 22.5 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
10,471 | ||
| 23 |
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund
S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
236,166 | ||
| 24 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
233,826 | ||
| 24.1 |
Small Cap Index Fund
Fund
S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
9,176 | ||
| 24.2 |
Small Cap Core Fund
Fund
S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
2,162 | ||
| 24.3 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
33 | ||
| 25 |
FRANKLIN RESOURCES INC
13F
CIK 38777 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
233,004 | ||
| 25.1 |
Franklin Small Cap Value Fund
Fund
S000007356 · Registered fund · Jul 31, 2026
Franklin Value Investors Trust, not summed
|
140,278 | ||
| 25.2 |
Franklin Small Cap Value VIP Fund
Fund
S000007315 · Registered fund · Jun 30, 2026
Franklin Templeton Variable Insurance Products Trust, not summed
|
43,221 | ||
| 26 |
Qube Research & Technologies Ltd
13F
CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
207,909 | ||
| 27 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
202,004 | ||
| 28 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
190,343 | ||
| 29 |
Atreides Management, LP
13F
CIK 1777813 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
189,311 | ||
| 30 |
First Eagle Investment Management, LLC
13F
CIK 1325447 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
188,268 | ||
| 30.1 |
First Eagle Small Cap Opportunity Fund
Fund
S000072438 · Registered fund · Jul 31, 2026
First Eagle Funds, not summed
|
149,531 | ||
| 31 |
AMERIPRISE FINANCIAL INC
13F
CIK 820027 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
185,802 | ||
| 31.1 |
Columbia Small Cap Index Fund
Fund
S000010827 · Registered fund · May 31, 2026
COLUMBIA FUNDS SERIES TRUST, not summed
|
24,967 | ||
| 31.2 |
Columbia Variable Portfolio - Small Company Growth Fund
Fund
S000010658 · Registered fund · Jun 30, 2026
COLUMBIA FUNDS VARIABLE INSURANCE TRUST, not summed
|
8,444 | ||
| 31.3 |
Variable Portfolio - Partners Small Cap Value Fund
Fund
S000019853 · Registered fund · Jun 30, 2026
Columbia Funds Variable Series Trust II, not summed
|
8,410 | ||
| 31.4 |
Columbia Research Enhanced Small Cap ETF
Fund
S000095313 · Registered fund · Jun 30, 2026
Columbia ETF Trust I, not summed
|
34 | ||
| 32 |
GAMCO INVESTORS, INC. ET AL
13F
CIK 807249 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
181,015 | ||
| 33 |
ODDO BHF ASSET MANAGEMENT SAS
13F
CIK 1686970 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
155,000 | ||
| 34 |
Point72 Asset Management, L.P.
13F
CIK 1603466 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
142,718 | ||
| 35 |
BANK OF AMERICA CORP /DE/
13F
CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
139,614 | ||
| 36 |
LOOMIS SAYLES & CO L P
13F
CIK 312348 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
131,730 | ||
| 36.1 |
Loomis Sayles Small Cap Growth Fund
Fund
S000006705 · Registered fund · Jun 30, 2026
LOOMIS SAYLES FUNDS II, not summed
|
71,366 | ||
| 37 |
Columbia Small Cap Growth Fund
Fund
S000012073 · Registered fund · May 31, 2026
COLUMBIA FUNDS SERIES TRUST I, not summed
|
124,170 | ||
| 38 |
JACOBS LEVY EQUITY MANAGEMENT, INC
13F
CIK 884414 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
119,076 | ||
| 39 |
JANE STREET GROUP, LLC
13F
CIK 1595888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
118,903 | ||
| 40 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
111,752 | ||
| 41 |
VANGUARD TAX-MANAGED SMALL-CAP FUND
Fund
S000004387 · Registered fund · Jun 30, 2026
VANGUARD TAX-MANAGED FUNDS, not summed
|
110,104 | ||
| 42 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
110,008 | ||
| 43 |
KING LUTHER CAPITAL MANAGEMENT CORP
13F
CIK 310051 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
101,654 | ||
| 43.1 |
LKCM Small Cap Equity Fund
Fund
S000004604 · Registered fund · Jun 30, 2026
LKCM Funds, not summed
|
61,450 | ||
| 43.2 |
LKCM Small-Mid Cap Equity Fund
Fund
S000032022 · Registered fund · Jun 30, 2026
LKCM Funds, not summed
|
4,469 | ||
| 44 |
VANGUARD RUSSELL 2000 INDEX FUND
Fund
S000030003 · Registered fund · May 31, 2026
VANGUARD SCOTTSDALE FUNDS, not summed
|
92,736 | ||
| 45 |
Invesco Ltd.
13F
CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
90,862 | ||
| 45.1 |
Invesco S&P SmallCap Information Technology ETF
Fund
S000028301 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
33,744 | ||
| 45.2 |
Invesco RAFI US 1500 Small-Mid ETF
Fund
S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
25,928 | ||
| 45.3 |
Invesco S&P SmallCap 600 Revenue ETF
Fund
S000064596 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
8,612 | ||
| 45.4 |
Invesco S&P SmallCap 600 QVM Multi-Factor ETF
Fund
S000072320 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
2,657 | ||
| 45.5 |
Invesco Russell 2000 Dynamic Multifactor ETF
Fund
S000064608 · Registered fund · May 31, 2026
Invesco Exchange-Traded Self-Indexed Fund Trust, not summed
|
1,033 | ||
| 46 |
|
82,824 | ||
| 47 |
COOPER CREEK PARTNERS MANAGEMENT LLC
13F
CIK 1512162 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
81,850 | ||
| 48 |
Touchstone Funds Group Trust-Touchstone Mid Cap Value Fund
Fund
S000026598 · Registered fund · Jun 30, 2026
Touchstone Funds Group Trust, not summed
|
81,553 | ||
| 49 |
PRINCIPAL FINANCIAL GROUP INC
13F
CIK 1126328 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
80,258 | ||
| 49.1 |
SmallCap S&P 600 Index Fund
Fund
S000007203 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
12,231 | ||
| 49.2 |
SmallCap Value Fund II
Fund
S000007169 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
1,186 | ||
| 50 |
1290 VT GAMCO Small Company Value Portfolio
Fund
S000009151 · Registered fund · Jun 30, 2026
EQ Advisors Trust, not summed
|
80,000 |
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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