Trimas Corp
TRS- Exchange
- Nasdaq
- Industry
- Metal Forgings & Stampings
- SEC CIK
- 0000842633
In the last 90 days, Trimas Corp insiders filed 1 open-market purchase and 1 sale; 207 institutions reported holding it in 13F filings for Q2 2026, worth $1.33B in total; no superinvestor holds it.
Holders of 5% or more of TRS
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Trimas Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Trend International Holding AG | 13D/A | 16.90%6.05M shares | +2.00 ppfrom 14.90% | Feb 11, 20254 filings | Jun 8, 2026 | SEC |
| Bank of America Corp | 13G/A | 10.20%4.16M shares | +1.00 ppfrom 9.20% | Feb 14, 20253 filings | Feb 11, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 6.20%2.54M shares | – | Jul 16, 20251 filing | Jul 16, 2025 | SEC |
| Allspring Global Investments Holdings, LLC | 13G/A | 6.10%2.49M shares | – | Oct 10, 20251 filing | Oct 10, 2025 | SEC |
| Fiduciary Management Inc | 13G | 5.00%2.01M shares | −1.40 ppfrom 6.40% | Feb 12, 20214 filings | Feb 20, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
25 Schedule 13D and 13G filings on Trimas Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jun 8, 20269:45 PM ET | Trend International Holding AGand 1 other | 13D/A | 16.90%6.05M shares | +2.00 ppfrom 14.90% | Mar 2, 2026 | SEC |
| Mar 27, 20261:33 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −9.14 ppfrom 9.14%Below 5% | Mar 13, 2026 | SEC |
| Feb 13, 20264:30 PM ET | Capital International Investors | 13G/A | 0.00%0 shares | −7.10 ppfrom 7.10%Below 5% | Dec 31, 2025 | SEC |
| Feb 11, 20262:15 PM ET | Bank of America Corp | 13G/A | 10.20%4.16M shares | +1.00 ppfrom 9.20% | Dec 31, 2025 | SEC |
| Nov 13, 202511:04 AM ET | Capital International Investors | 13G | 7.10%2.89M shares | New | Sep 30, 2025 | SEC |
| Oct 14, 20258:53 AM ET | Pzena Investment Management LLC | 13G/A | 3.20%1.30M shares | –Below 5% | Sep 30, 2025 | SEC |
| Oct 10, 20259:46 AM ET | Allspring Global Investments Holdings, LLC | 13G/A | 6.10%2.49M shares | – | Sep 30, 2025 | SEC |
| Aug 13, 202510:57 AM ET | Bank of America Corp | 13G/A | 9.20%3.76M shares | +1.00 ppfrom 8.20% | Jun 30, 2025 | SEC |
| Jul 29, 20252:40 PM ET | Vanguard Group Inc | 13G/A | 9.14%3.72M shares | – | Jun 30, 2025 | SEC |
| Jul 16, 20257:02 PM ET | BlackRock, Inc. | 13G/A | 6.20%2.54M shares | – | Jun 30, 2025 | SEC |
| May 22, 20257:32 PM ET | Trend International Holding AGand 1 other | 13D/A | 14.90%6.05M shares | +2.40 ppfrom 12.50% | May 20, 2025 | SEC |
| May 12, 202510:44 AM ET | Wellington Management Group LLPand 2 others | 13G/A | 3.30%1.36M shares | –Below 5% | Mar 31, 2025 | SEC |
| Mar 12, 20259:00 AM ET | Trend International Holding AGand 1 other | 13D/A | 12.50%5.07M shares | +2.20 ppfrom 10.30% | Mar 10, 2025 | SEC |
| Feb 20, 20251:41 PM ET | Fiduciary Management Inc | 13G | 5.00%2.01M shares | −1.40 ppfrom 6.40% | Feb 10, 2025 | SEC |
| Feb 14, 20256:07 PM ET | Bank of America Corp | 13G | 8.20%3.33M shares | New | Dec 31, 2024 | SEC |
| Feb 14, 202512:29 PM ET | Fiduciary Management Inc | 13G/A | 6.40%2.61M shares | 0.00 ppfrom 6.40% | Dec 31, 2024 | SEC |
| Feb 14, 202511:52 AM ET | Fiduciary Management Inc | 13G | 6.40%2.61M shares | – | Dec 31, 2024 | SEC |
| Feb 11, 20254:44 PM ET | Wasatch Advisors Inc | 13G | 0.00%0 shares | NewBelow 5% | Dec 31, 2024 | SEC |
| Feb 11, 20254:11 PM ET | Trend International Holding AGand 1 other | 13D/A | 10.30%4.17M shares | – | Feb 10, 2025 | SEC |
| Feb 16, 2021 | Dimensional Fund Advisors LP | 13G/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Champlain Investment Partners, LLC | 13GOld format | – | New | – | SEC |
| Feb 12, 2021 | Fiduciary Management Inc | 13GOld format | – | New | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2021 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Feb 1, 20218:30 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Trimas Corp shares.
No Form 144 notices for Trimas Corp are on file.