TriMas Corporation (TRS)
Who owns TriMas Corporation (TRS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 80.4% of the shares are freely tradable; institutional investors hold 99.0%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Bank of America Corp | 10.73 | 3,845,726 | +1.7 | 03/31/2026 |
| Vanguard Group Inc | 10.00 | 3,582,932 | +0.2 | 12/31/2025 |
| Allspring Global Investments Holdings, LLC | 7.01 | 2,509,919 | -2.0 | 03/31/2026 |
| BlackRock Inc | 6.97 | 2,497,043 | +4.2 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 6.31 | 2,259,891 | +4.2 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.96 | 1,775,312 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.41 | 1,581,339 | +0.0 | 03/31/2026 |
| Jefferies Financial Group Inc | 4.33 | 1,549,662 | -0.2 | 03/31/2026 |
| Morgan Stanley - Brokerage Accounts | 4.16 | 1,491,112 | +85.6 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Allspring Special Small Cap Value A | 4.34 | 1,556,276 | -8.6 | 05/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 14. Jul 2026 | Sedaghat Shawn | Director | Other | 615 | 40.64 | 24,994 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.