Who owns TRIMAS CORP, from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
Trend International Holding AG: 11.6% · 4,170,667 shares — Shawn Sedaghat: 16.9% · 6,054,425 shares
The Vanguard Group: 0.0% · 0 shares
8 more 5% stakes behind a free account
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Sign up freeEvery institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of TRIMAS CORP they hold. Together these 269 managers report 108.30% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | $127M | 3,582,932 | 0.00% | 9.99% | December 31, 2025 |
| BlackRock, Inc. | $114M | 2,530,345 | 0.00% | 7.05% | June 30, 2026 |
267 more institutional holders behind a free account
See every manager reporting TRIMAS CORP, how much of the company they hold, and how big the position is inside their own portfolio.
Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 229 funds hold 39.83% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| Allspring Special Small Cap Value Fund | $61.4M | 2.08% | 3.80% | June 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND | $46.3M | 0.00% | 2.87% | June 30, 2026 |
227 more funds behind a free account
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