DOSSIER · 13F Holders · Q2 2026
TRS

TRIMAS CORP

217 institutions still hold TRIMAS CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 896215209·217 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$947M
visible holders
Holders
217
filers reporting
Concentration
12.03%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

217 institutions reported TRS in Q2 2026. BlackRock, Inc. leads at 12.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$114M2.5M0.00%Q2 2026
02
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$102M2.3M0.02%Q2 2026
03
Allspring Global Investments Holdings, LLC
CIK 0001890906
$82M1.9M0.13%Q2 2026
04
Vanguard Portfolio Management
CIK 0002100121· Index
$76M1.7M0.00%Q2 2026
05
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$63M1.4M0.00%Q2 2026
06
ADVISORY RESEARCH INC
CIK 0000902584
$55M1.2M5.44%Q2 2026
07
Permian Investment Partners, LP
CIK 0001472850
$52M1.2M5.76%Q2 2026
08
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$52M1.2M0.02%Q2 2026
09
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$46M1.0M0.00%Q2 2026
10
Jefferies Financial Group Inc.
CIK 0000096223
$44M982K0.29%Q2 2026
11
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.
CIK 0001238990
$36M807K1.80%Q2 2026
12
STATE STREET CORP
CIK 0000093751
$35M784K0.00%Q2 2026
13
First Eagle Investment Management, LLC
CIK 0001325447
$30M663K0.02%Q2 2026
14
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$26M579K0.01%Q2 2026
15
Nuveen, LLC
CIK 0001871926
$26M566K0.01%Q2 2026
16
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 0000912938
$24M544K0.01%Q2 2026
17
SG Americas Securities, LLC
CIK 0001313360
$24M667K0.03%Q1 2026
18
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$20M453K0.01%Q2 2026
19
CITADEL ADVISORS LLC
CIK 0001423053
$20M438K0.00%Q2 2026
20
LOOMIS SAYLES & CO L P
CIK 0000312348
$19M431K0.02%Q2 2026
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Insiders at TRIMAS CORP
Tredwell Daniel PSnyder Thomas JamesRobin Jodi F.Finley TeresaStress Jill S.Swart PaulFielkow Jeffrey AShapira Adrianne