TRS · Trimas Corp · Shareholders & Ownership
Every disclosed holder of TRS 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 TRS
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) | 29,728,237 | 82.87% |
| Insiders (Forms 3, 4, 5) | 7,003,408 | 19.52% |
| 13D/G-only blocks | 8,691,659 | 24.23% |
| Remaining | 9,549,431 | -26.62% |
| Registered funds (N-PORT, not summed) | 14,158,272 | 39.47% |
Shares outstanding: 35,873,873, 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 TRS
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
|
6,063,324 | ||
| 2 |
Trend International Holding AG
13D
CIK 2040467 · Unknown · Mar 2, 2026
Item 4 purpose: not restated by this amendment, the earlier 13D's purpose stands
not summed
|
4,170,667 | ||
| 3 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,530,345 | ||
| 3.1 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
716,820 | ||
| 3.2 |
iShares Russell 2000 Value ETF
Fund
S000004342 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
257,174 | ||
| 3.3 |
Master Small Cap Index Series
Fund
S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
|
50,641 | ||
| 3.4 |
iShares Core S&P Total U.S. Stock Market ETF
Fund
S000004317 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
43,119 | ||
| 3.5 |
iShares Russell 3000 ETF
Fund
S000004341 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
9,895 | ||
| 4 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,259,471 | ||
| 4.1 |
U.S. SMALL CAP VALUE PORTFOLIO
Fund
S000000987 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
454,899 | ||
| 4.2 |
U.S. Targeted Value Portfolio
Fund
S000000970 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
299,831 | ||
| 4.3 |
Dimensional US Small Cap Value ETF
Fund
S000075151 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
207,288 | ||
| 4.4 |
Dimensional U.S. Targeted Value ETF
Fund
S000070901 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
186,430 | ||
| 4.5 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
181,385 | ||
| 5 |
Grupo Da-Zen, S.L.U. No I.R.S. Identification Number
13G
CIK 2024598 · May 3, 2024
Rule 13d-1(c), passive investor
|
2,061,420 | ||
| 6 |
FIDUCIARY MANAGEMENT INC /WI/
13G
CIK 764532 · Registered investment adviser · Feb 10, 2025
Rule 13d-1(d), exempt investor
|
2,013,835 | ||
| 7 |
Champlain Investment Partners, LLC
13G
CIK 1315478 · Registered investment adviser · Dec 31, 2023
|
1,952,187 | ||
| 8 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,681,687 | ||
| 9 |
Allspring Global Investments Holdings, LLC
13G
CIK 1890906 · Holding company · Sep 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
1,419,484 | ||
| 9.1 |
Allspring Global Investments Holdings, LLC
13F
CIK 1890906 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,904,393 | ||
| 9.2 |
Allspring Special Small Cap Value Fund
Fund
S000029108 · Registered fund · Jun 30, 2026
ALLSPRING FUNDS TRUST, not summed
|
1,364,383 | ||
| 10 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,408,899 | ||
| 11 |
WELLINGTON MANAGEMENT GROUP LLP
13G
CIK 902219 · Holding company · Mar 31, 2025
Rule 13d-1(b), qualified institution
|
1,361,952 | ||
| 12 |
PZENA INVESTMENT MANAGEMENT LLC
13G
CIK 1027796 · Registered investment adviser · Sep 30, 2025
Rule 13d-1(b), qualified institution
|
1,302,265 | ||
| 13 |
ADVISORY RESEARCH INC
13F
CIK 902584 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,211,587 | ||
| 14 |
Permian Investment Partners, LP
13F
CIK 1472850 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,165,414 | ||
| 15 |
AMERICAN CENTURY COMPANIES INC
13F
CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,150,388 | ||
| 16 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,027,954 | ||
| 17 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,019,286 | ||
| 18 |
Jefferies Financial Group Inc.
13F
CIK 96223 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
981,933 | ||
| 19 |
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.
13F
CIK 1238990 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
807,292 | ||
| 20 |
|
784,145 | ||
| 20.1 |
State Street(R) SPDR(R) US Small Cap Low Volatility Index ETF
Fund
S000039795 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
15,588 | ||
| 20.2 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
10,906 | ||
| 20.3 |
State Street Total Return V.I.S. Fund
Fund
S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
|
647 | ||
| 20.4 |
State Street Balanced Index Fund
Fund
S000082802 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
228 | ||
| 21 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
738,983 | ||
| 22 |
Avantis U.S. Small Cap Value ETF
Fund
S000066459 · Registered fund · May 31, 2026
American Century ETF Trust, not summed
|
636,390 | ||
| 23 |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
CIK 1164508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
579,276 | ||
| 24 |
|
566,498 | ||
| 24.1 |
Nuveen Quant Small Cap Equity Fund
Fund
S000005386 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
250,710 | ||
| 24.2 |
Nuveen Quant Small/Mid Cap Equity Fund
Fund
S000054623 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
108,790 | ||
| 24.3 |
College Retirement Equities Fund - Total Global Stock Account
Fund
S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
|
88,300 | ||
| 24.4 |
Nuveen Small Cap Blend Index Fund
Fund
S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
36,389 | ||
| 24.5 |
Nuveen Equity Index Fund
Fund
S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
33,236 | ||
| 25 |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F
CIK 912938 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
543,685 | ||
| 25.1 |
MFS New Discovery Value Fund
Fund
S000032712 · Registered fund · May 31, 2026
MFS SERIES TRUST XIII, not summed
|
375,527 | ||
| 25.2 |
MFS New Discovery Value Portfolio
Fund
S000023374 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST III, not summed
|
6,522 | ||
| 25.3 |
MFS Global Alternative Strategy Fund
Fund
S000019515 · Registered fund · Jul 31, 2026
MFS Series Trust XV, not summed
|
869 | ||
| 26 |
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund
S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
468,446 | ||
| 27 |
TWO SIGMA INVESTMENTS, LP
13F
CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
453,425 | ||
| 28 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
432,376 | ||
| 29 |
LOOMIS SAYLES & CO L P
13F
CIK 312348 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
430,537 | ||
| 29.1 |
Loomis Sayles Small Cap Value Fund
Fund
S000006647 · Registered fund · Jun 30, 2026
LOOMIS SAYLES FUNDS I, not summed
|
91,305 | ||
| 30 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
424,865 | ||
| 30.1 |
Schwab Fundamental U.S. Small Company ETF
Fund
S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
156,431 | ||
| 30.2 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
153,372 | ||
| 30.3 |
Schwab Small-Cap Index Fund
Fund
S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
66,750 | ||
| 30.4 |
Schwab Fundamental U.S. Small Company Index Fund
Fund
S000016767 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
38,674 | ||
| 30.5 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
17,857 | ||
| 31 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
395,385 | ||
| 31.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
17 | ||
| 32 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
365,929 | ||
| 33 |
OBERWEIS ASSET MANAGEMENT INC/
13F
CIK 937886 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
362,000 | ||
| 33.1 |
Oberweis Micro-Cap Fund
Fund
S000010231 · Registered fund · Jun 30, 2026
OBERWEIS FUNDS, not summed
|
349,600 | ||
| 34 |
Brighthouse Small Cap Value Portfolio
Fund
S000011105 · Registered fund · Jun 30, 2026
Brighthouse Funds Trust I, not summed
|
339,837 | ||
| 35 |
|
332,567 | ||
| 36 |
First Eagle Investment Management, LLC
13F
CIK 1325447 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
331,556 | ||
| 36.1 |
First Eagle Small Cap Opportunity Fund
Fund
S000072438 · Registered fund · Jul 31, 2026
First Eagle Funds, not summed
|
288,997 | ||
| 37 |
FIRST MANHATTAN CO. LLC.
13F
CIK 728083 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
329,720 | ||
| 38 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
324,795 | ||
| 39 |
JANE STREET GROUP, LLC
13F
CIK 1595888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
319,484 | ||
| 40 |
BANK OF AMERICA CORP /DE/
13F
CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
309,554 | ||
| 41 |
KENNEDY CAPITAL MANAGEMENT LLC
13F
CIK 884589 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
302,265 | ||
| 42 |
LORD, ABBETT & CO. LLC
13F
CIK 728100 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
285,097 | ||
| 42.1 |
Small-Cap Value Series
Fund
S000007001 · Registered fund · May 31, 2026
LORD ABBETT RESEARCH FUND INC, not summed
|
213,711 | ||
| 42.2 |
Lord Abbett Focused Small Cap Value Fund
Fund
S000007143 · Registered fund · Jul 31, 2026
LORD ABBETT SECURITIES TRUST, not summed
|
71,191 | ||
| 43 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
283,632 | ||
| 43.1 |
Small Cap Index Fund
Fund
S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
13,932 | ||
| 43.2 |
Small Cap Core Fund
Fund
S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
5,901 | ||
| 43.3 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
1,198 | ||
| 44 |
ACADIAN ASSET MANAGEMENT LLC
13F
CIK 916542 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
281,455 | ||
| 45 |
NORGES BANK
13F
CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
244,600 | ||
| 46 |
FIRST TRUST ADVISORS LP
13F
CIK 1125816 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
216,998 | ||
| 46.1 |
First Trust Small Cap Growth AlphaDEX Fund
Fund
S000031806 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
114,725 | ||
| 46.2 |
First Trust Small Cap Core AlphaDEX Fund
Fund
S000017339 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
58,117 | ||
| 46.3 |
First Trust Multi Cap Growth AlphaDEX Fund
Fund
S000017343 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
10,393 | ||
| 47 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
204,456 | ||
| 47.1 |
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund
S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
10,768 | ||
| 47.2 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
6,472 | ||
| 48 |
D. E. Shaw & Co., Inc.
13F
CIK 1009207 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
199,770 | ||
| 49 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
190,359 | ||
| 50 |
Bridge Builder Small/Mid Cap Value Fund
Fund
S000048337 · Registered fund · Jun 30, 2026
Bridge Builder Trust, not summed
|
187,815 |
30 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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