Company · Ownership research

TRIMAS CORP TRS

CIK 0000842633 · CUSIP 896215209

Insider trading Initial holdings Institutional holders

Quarter-end disclosures, not live holdings.

Several CUSIPs are reported for this company; this page shows CUSIP 896215209 (TRS), not CUSIP 896215909 (TRS), CUSIP 896215959 (TRS), and does not merge CUSIPs.

This page lists the top 20 of 194 rows by value; the complete set is available through the API.

Some filings reported values in thousands; those figures were scaled ×1,000 to dollars.

Top 20 institutions

Weight means this stock's share of the manager's own portfolio.

By reported value

#	Manager	Value	Manager weight	Change vs prior	Source
01	BANK OF AMERICA CORP /DE/ CIK 70858 · View history	$138.22M 3,845,726 shares	0.01%	+62.80K(+1.70%)Added	SEC filing ↗ May 18, 2026	▾
02	Allspring Global Investments Holdings, LLC CIK 1890906 · View history	$91.24M 2,509,919 shares	0.15%	-52.11K(-2.00%)Reduced	SEC filing ↗ May 5, 2026	▾
03	BlackRock, Inc. CIK 2012383 · View history	$89.74M 2,497,043 shares	0.00%	+99.76K(+4.20%)Added	SEC filing ↗ May 13, 2026	▾
04	DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history	$81.22M 2,259,891 shares	0.02%	+91.00K(+4.20%)Added	SEC filing ↗ May 7, 2026	▾
05	VANGUARD PORTFOLIO MANAGEMENT LLC CIK 2100121 · Amended · View history	$63.80M 1,775,312 shares	0.00%	—	SEC filing ↗ May 8, 2026	▾
06	VANGUARD CAPITAL MANAGEMENT LLC CIK 2100119 · Amended · View history	$56.83M 1,581,339 shares	0.00%	—	SEC filing ↗ May 15, 2026	▾
07	Jefferies Financial Group Inc. CIK 96223 · View history	$55.69M 1,549,662 shares	0.68%	-2.84K(-0.20%)Reduced	SEC filing ↗ May 8, 2026	▾
08	MORGAN STANLEY CIK 895421 · View history	$53.59M 1,491,112 shares	0.00%	+687.68K(+85.60%)Added	SEC filing ↗ May 15, 2026	▾
09	Permian Investment Partners, LP CIK 1472850 · View history	$43.22M 1,202,500 shares	4.78%	+379.02K(+46.00%)Added	SEC filing ↗ May 15, 2026	▾
10	ADVISORY RESEARCH INC CIK 902584 · View history	$40.24M 1,119,686 shares	4.95%	+23.67K(+2.20%)Added	SEC filing ↗ May 14, 2026	▾
11	GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history	$31.36M 872,537 shares	0.00%	-3.62K(-0.40%)Reduced	SEC filing ↗ May 15, 2026	▾
12	STATE STREET CORP CIK 93751 · View history	$29.35M 816,605 shares	0.00%	-30.23K(-3.60%)Reduced	SEC filing ↗ May 15, 2026	▾
13	SG Americas Securities, LLC CIK 1313360 · View history	$23.98M 667,091 shares	0.03%	+582.45K(+688.20%)Added	SEC filing ↗ Apr 16, 2026	▾
14	MASSACHUSETTS FINANCIAL SERVICES CO /MA/ CIK 912938 · View history	$22.36M 622,085 shares	0.01%	-79.05K(-11.30%)Reduced	SEC filing ↗ May 14, 2026	▾
15	Nuveen, LLC CIK 1871926 · View history	$20.30M 564,841 shares	0.01%	-279.21K(-33.10%)Reduced	SEC filing ↗ Apr 30, 2026	▾
16	CHARLES SCHWAB INVESTMENT MANAGEMENT INC CIK 884546 · View history	$17.39M 483,841 shares	0.00%	-13.98K(-2.80%)Reduced	SEC filing ↗ May 15, 2026	▾
17	TWO SIGMA INVESTMENTS, LP CIK 1179392 · View history	$16.91M 470,391 shares	0.01%	+261.52K(+125.20%)Added	SEC filing ↗ May 15, 2026	▾
18	CITADEL ADVISORS LLC CIK 1423053 · View history	$15.99M 444,883 shares	0.01%	+347.90K(+358.70%)Added	SEC filing ↗ May 15, 2026	▾
19	FRANKLIN RESOURCES INC CIK 38777 · View history	$15.77M 438,902 shares	0.00%	0(0.00%)Unchanged	SEC filing ↗ May 13, 2026	▾
20	LOOMIS SAYLES & CO L P CIK 312348 · View history	$15.70M 436,921 shares	0.02%	-15.44K(-3.40%)Reduced	SEC filing ↗ May 14, 2026	▾

Showing 20 / 194 institutions. The complete set is available through the API.

Coverage & totals by quarter

Reporting institutions

194

Cancelled or null records excluded

Disclosed shares

34,375,822

Not deduplicated across managers

Disclosed value

$1.24B

Not market cap or free float

Reporting institutions by quarter

Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.

TRIMAS CORP · Q1 2026

Explore all 194 reporting institutions.

This page includes 20 of 194 reporting institutions. Log in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.

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Sources, coverage & how to read this data

Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.