TRIMAS CORP

TRSNASDAQ

$38.93-0.19 (-0.49%)as of Oct 5, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

TRIMAS CORP price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+4.8%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	7.05%	$114M	0.00%	Not reported
Dimensional Fund Advisors LP	6.30%	$102M	0.02%	Not reported
Vanguard Portfolio Management LLC	4.69%	$75.7M	0.00%	Not reported
Vanguard Capital Management LLC	3.93%	$63.4M	0.00%	Not reported
Advisory Research Inc	3.38%	$54.6M	5.44%	Add 8.21%
Permian Investment Partners, LP	3.25%	$52.5M	5.76%	Reduce 3.08%
American Century Companies Inc	3.21%	$51.8M	0.02%	Not reported
Geode Capital Management, LLC	2.84%	$45.9M	0.00%	Not reported
Jefferies Financial Group Inc.	2.74%	$44.2M	0.29%	Reduce 36.64%
Punch & Associates Investment Management, Inc.	2.25%	$36.4M	1.80%	Add 229.89%
State Street Corp	2.19%	$35.3M	0.00%	Not reported
First Eagle Investment Management, LLC	1.85%	$29.9M	0.02%	Add 108.52%
Arrowstreet Capital, Limited Partnership	1.61%	$26.1M	0.01%	Not reported
Nuveen, LLC	1.58%	$25.5M	0.01%	Not reported
Massachusetts Financial Services Co	1.52%	$24.5M	0.01%	Reduce 12.60%
Two Sigma Investments, LP	1.26%	$20.4M	0.01%	Not reported
Citadel Advisors LLC	1.21%	$19.5M	0.00%	Not reported
Loomis Sayles & Co L P	1.20%	$19.4M	0.02%	Reduce 1.46%
Charles Schwab Investment Management Inc	1.18%	$19.1M	0.00%	Not reported
Morgan Stanley	1.10%	$17.8M	0.00%	Not reported
Bank of New York Mellon Corp	1.02%	$16.5M	0.00%	Not reported
Oberweis Asset Management Inc/	1.01%	$16.3M	0.34%	New Not reported
First Manhattan Co. LLC.	0.92%	$14.8M	0.04%	Reduce 3.30%
Jane Street Group, LLC	0.89%	$14.4M	0.00%	Not reported
Bank of America Corp	0.86%	$13.9M	0.00%	Not reported
Kennedy Capital Management LLC	0.84%	$13.6M	0.24%	Reduce 19.78%
Lord, Abbett & Co. LLC	0.79%	$12.8M	0.04%	Reduce 0.03%
Northern Trust Corp	0.79%	$12.8M	0.00%	Not reported
Acadian Asset Management LLC	0.78%	$12.7M	0.02%	Not reported
Norges Bank	0.68%	$11M	0.00%	Not reported
First Trust Advisors LP	0.60%	$9.77M	0.01%	Add 423.16%
Goldman Sachs Group Inc	0.57%	$9.21M	0.00%	Not reported
D. E. Shaw & Co., Inc.	0.56%	$9M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.53%	$8.57M	0.00%	Not reported
Hotchkis & Wiley Capital Management LLC	0.50%	$8.07M	0.02%	Reduce 8.92%
Sei Investments Co	0.49%	$7.9M	0.01%	Not reported
Victory Capital Management Inc	0.47%	$7.56M	0.00%	Not reported
FMR LLC	0.47%	$7.52M	0.00%	Not reported
Kestrel Investment Management Corp	0.42%	$6.73M	3.67%	Not reported
Barclays PLC	0.32%	$5.17M	0.00%	Not reported
Healthcare of Ontario Pension Plan Trust Fund	0.29%	$4.65M	0.01%	Reduce 47.13%
SG Americas Securities, LLC	0.29%	$4.6M	0.00%	Not reported
Hillsdale Investment Management Inc.	0.28%	$4.49M	0.10%	Not reported
Russell Investments Group, Ltd.	0.28%	$4.46M	0.00%	Not reported
XTX Topco Ltd	0.27%	$4.37M	0.06%	Not reported
Harbor Capital Advisors, Inc.	0.27%	$4.37M	0.30%	Add 201.02%
Creative Planning	0.27%	$4.31M	0.00%	Not reported
Gotham Asset Management, LLC	0.26%	$4.27M	0.01%	Add 164.50%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.26%	$4.21M	0.00%	Not reported
Bessemer Group Inc	0.26%	$4.13M	0.01%	Not reported

50 of 198 holders

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