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TRS · Trimas Corp

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$40.14 +0.39 (+0.98%) At close · Aug 26
Market Cap
$1.44B
Shares
35.87M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 207
Total Value: $1,342,778,344
Total Shares: 29,832,608

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 207 13F filers · Δ vs Mar 31, 2026
Top Holder
8.5%
Sep 2023 → Jun 2026 · range 8.5% – 11.2%
−2.7 pts
Top 5
32.8%
Sep 2023 → Jun 2026 · range 32.8% – 41.2%
−4.7 pts
Top 10
51.4%
Sep 2023 → Jun 2026 · range 51.4% – 67.9%
−6.4 pts
HHI
347
Sep 2023 → Jun 2026 · range 347 – 533
Broadly held−83

Quarterly Activity

vs Mar 31, 2026
New
41
Increased
62
Decreased
74
Sold Out
27
Unchanged
30
Holder count: +14
Institutional value: +8.7%
Shares held: -13.2%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 210
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 842633 CUSIP 896215209 13F (30d) 194 filings 194 filers Visit website Investor relations