TRIMAS CORP (TRS)
Institutional ownership reported to the SEC as of Q2 2026, across 32 quarters.
Institutions report 30,043,548 shares against 35,873,873 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end.
Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | $113.9M | 2,530,345 | 0.00% | 8q | +1.3%+$1.5M |
| DIMENSIONAL FUND ADVISORS LP | $101.7M | 2,259,471 | 0.02% | 31q | HELD |
| Allspring Global Investments Holdings, LLC | $82.4M | 1,904,393 | 0.13% | 19q | -24.1%-$26.2M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $75.7M | 1,681,687 | 0.00% | 2q | -5.3%-$4.2M |
| VANGUARD CAPITAL MANAGEMENT LLC | $63.4M | 1,408,899 | 0.00% | 2q | -10.9%-$7.8M |
| ADVISORY RESEARCH INC | $54.6M | 1,211,587 | 5.44% | 11q | +8.2%+$4.1M |
| Permian Investment Partners, LP | $52.5M | 1,165,414 | 5.76% | 3q | -3.1%-$1.7M |
| AMERICAN CENTURY COMPANIES INC | $51.8M | 1,150,388 | 0.02% | 23q | +399.2%+$41.4M |
| GEODE CAPITAL MANAGEMENT, LLC | $45.9M | 1,019,286 | 0.00% | 31q | +16.8%+$6.6M |
| Jefferies Financial Group Inc. | $44.2M | 981,933 | 0.29% | 3q | -36.6%-$25.6M |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | $36.4M | 807,292 | 1.80% | 2q | +229.9%+$25.3M |
| STATE STREET CORP | $35.3M | 784,145 | 0.00% | 31q | -4.0%-$1.5M |
| First Eagle Investment Management, LLC | $29.9M | 663,112 | 0.02% | 11q | +108.5%+$15.5M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $26.1M | 579,276 | 0.01% | 11q | +62.1%+$10.0M |
| Nuveen, LLC | $25.5M | 566,498 | 0.01% | 6q | HELD |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $24.5M | 543,685 | 0.01% | 31q | -12.6%-$3.5M |
| TWO SIGMA INVESTMENTS, LP | $20.4M | 453,425 | 0.01% | 11q | -3.6%-$764.0K |
| CITADEL ADVISORS LLC | $19.7M incl. $243.2K options CALL | 432,376 | 0.00% | 19q | -2.8%-$570.2K |
| LOOMIS SAYLES & CO L P | $19.4M | 430,537 | 0.02% | 6q | -1.5%-$287.5K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $19.1M | 424,865 | 0.00% | 31q | -12.2%-$2.7M |
| MORGAN STANLEY | $17.8M | 395,385 | 0.00% | 35q | -73.5%-$49.3M |
| Bank of New York Mellon Corp | $16.5M | 365,929 | 0.00% | 31q | +102.0%+$8.3M |
| OBERWEIS ASSET MANAGEMENT INC/ | $16.3M | 362,000 | 0.34% | new | NEW |
| FIRST MANHATTAN CO. LLC. | $14.8M | 329,720 | 0.04% | 31q | -3.3%-$506.6K |
| JANE STREET GROUP, LLC | $14.4M | 319,484 | 0.00% | 6q | -18.1%-$3.2M |
| BANK OF AMERICA CORP /DE/ | $13.9M | 309,554 | 0.00% | 31q | -92.0%-$159.2M |
| KENNEDY CAPITAL MANAGEMENT LLC | $13.6M | 302,265 | 0.24% | 12q | -19.8%-$3.4M |
| LORD, ABBETT & CO. LLC | $12.8M | 285,097 | 0.04% | 4q | HELD |
| NORTHERN TRUST CORP | $12.8M | 283,632 | 0.00% | 31q | -6.9%-$943.0K |
| ACADIAN ASSET MANAGEMENT LLC | $12.7M | 281,455 | 0.02% | new | NEW |
| NORGES BANK | $11.0M | 244,600 | 0.00% | new | NEW |
| FIRST TRUST ADVISORS LP | $9.8M | 216,998 | 0.01% | 3q | +423.2%+$7.9M |
| GOLDMAN SACHS GROUP INC | $9.2M | 204,456 | 0.00% | 31q | -30.2%-$4.0M |
| D. E. Shaw & Co., Inc. | $9.0M | 199,770 | 0.00% | 31q | HELD |
| VANGUARD FIDUCIARY TRUST CO | $8.6M | 190,359 | 0.00% | 2q | -10.6%-$1.0M |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $8.1M | 179,133 | 0.02% | 23q | -8.9%-$789.8K |
| SEI INVESTMENTS CO | $7.9M | 175,345 | 0.01% | 23q | -18.6%-$1.8M |
| VICTORY CAPITAL MANAGEMENT INC | $7.6M | 167,996 | 0.00% | new | NEW |
| FMR LLC | $7.5M | 166,973 | 0.00% | 31q | +2871.6%+$7.3M |
| KESTREL INVESTMENT MANAGEMENT CORP | $6.7M | 149,550 | 3.67% | 2q | HELD |
| CastleKnight Management LP | $6.6M incl. $4.5M options CALL | 45,700 | 0.09% | new | NEW |
| LAZARD ASSET MANAGEMENT LLC | $6.4M | 141,680 | 0.01% | 6q | -10.3%-$734.2K |
| BARCLAYS PLC | $5.2M | 114,839 | 0.00% | 31q | +23.7%+$989.3K |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $4.6M | 103,200 | 0.01% | 2q | -47.1%-$4.1M |
| SG Americas Securities, LLC | $4.6M | 102,237 | 0.00% | 4q | -84.7%-$25.4M |
| Hillsdale Investment Management Inc. | $4.5M | 99,800 | 0.10% | 4q | +9.0%+$369.2K |
| Russell Investments Group, Ltd. | $4.5M | 99,171 | 0.00% | 7q | +55.1%+$1.6M |
| XTX Topco Ltd | $4.4M | 97,046 | 0.06% | 6q | +12.8%+$494.3K |
| HARBOR CAPITAL ADVISORS, INC. | $4.4M | 97,011 | 0.30% | 8q | +201.0%+$2.9M |
| Creative Planning | $4.3M | 95,768 | 0.00% | 16q | +76.8%+$1.9M |
| Gotham Asset Management, LLC | $4.3M | 94,880 | 0.01% | 2q | +164.5%+$2.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $4.2M | 93,576 | 0.00% | 31q | -7.7%-$350.6K |
| BESSEMER GROUP INC | $4.1M | 91,686 | 0.01% | 3q | HELD |
| Campbell & CO Investment Adviser LLC | $4.1M | 90,194 | 0.21% | 5q | +64.9%+$1.6M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $3.8M incl. $2.2M options CALL | 34,614 | 0.00% | 14q | -53.9%-$4.4M |
| Trexquant Investment LP | $3.7M | 81,279 | 0.02% | new | NEW |
| Quinn Opportunity Partners LLC | $3.6M | 79,683 | 0.17% | 8q | -8.6%-$337.7K |
| PRINCIPAL FINANCIAL GROUP INC | $3.5M | 78,804 | 0.00% | 4q | +7.6%+$250.1K |
| Invesco Ltd. | $3.4M | 75,123 | 0.00% | 31q | -8.9%-$330.3K |
| TUDOR INVESTMENT CORP ET AL | $3.1M | 68,254 | 0.00% | 4q | -57.5%-$4.2M |
| UBS Group AG | $3.0M | 66,957 | 0.00% | 31q | +104.9%+$1.5M |
| Man Group plc | $2.9M | 65,088 | 0.00% | new | NEW |
| Lighthouse Investment Partners, LLC | $2.9M | 63,566 | 0.08% | new | NEW |
| CAPITAL FUND MANAGEMENT S.A. | $2.8M | 61,193 | 0.01% | 2q | +133.3%+$1.6M |
| AQR CAPITAL MANAGEMENT LLC | $2.6M | 57,244 | 0.00% | 4q | +66.4%+$1.0M |
| Swiss National Bank | $2.6M | 57,100 | 0.00% | 31q | -11.1%-$319.7K |
| Oliver Luxxe Assets LLC | $2.5M | 54,486 | 0.36% | 4q | -8.2%-$220.6K |
| EVR Research LP | $2.3M | 50,000 | 1.11% | new | NEW |
| Ancora Advisors LLC | $2.0M | 45,318 | 0.04% | 6q | HELD |
| Quantinno Capital Management LP | $2.0M | 45,246 | 0.00% | 3q | +216.3%+$1.4M |
| MILLENNIUM MANAGEMENT LLC | $2.0M | 44,429 | 0.00% | 14q | -43.0%-$1.5M |
| AMERIPRISE FINANCIAL INC | $2.0M | 43,895 | 0.00% | 23q | +45.0%+$613.4K |
| JPMORGAN CHASE & CO | $2.0M | 42,666 | 0.00% | 31q | +30.4%+$455.7K |
| Jump Financial, LLC | $1.9M | 42,242 | 0.02% | new | NEW |
| WELLS FARGO & COMPANY/MN | $1.9M | 41,656 | 0.00% | 31q | +46.7%+$597.1K |
| RHUMBLINE ADVISERS | $1.8M | 39,802 | 0.00% | 31q | -5.9%-$112.4K |
| CIBC Bancorp USA Inc. | $1.7M | 38,769 | 0.00% | 2q | HELD |
| HSBC HOLDINGS PLC | $1.6M | 36,326 | 0.00% | 2q | +88.7%+$768.5K |
| RICE HALL JAMES & ASSOCIATES, LLC | $1.6M | 36,154 | 0.08% | 5q | HELD |
| Cerity Partners LLC | $1.5M | 33,293 | 0.00% | new | NEW |
| GSA CAPITAL PARTNERS LLP | $1.5M | 32,985 | 0.09% | 3q | +453.8%+$1.2M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | $1.5M | 32,923 | 0.00% | new | NEW |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $1.4M | 32,007 | 0.00% | 31q | +7.5%+$100.5K |
| Corient Private Wealth LP | $1.4M | 30,460 | 0.00% | new | NEW |
| Universal- Beteiligungs- und Servicegesellschaft mbH | $1.4M | 30,244 | 0.00% | 5q | +90.3%+$646.1K |
| Susquehanna Portfolio Strategies, LLC | $1.4M | 30,154 | 0.02% | 4q | -1.1%-$15.4K |
| Balyasny Asset Management L.P. | $1.3M | 29,222 | 0.00% | 5q | -57.6%-$1.8M |
| DEUTSCHE BANK AG\ | $1.3M | 28,949 | 0.00% | 34q | -5.7%-$78.9K |
| PRICE T ROWE ASSOCIATES INC /MD/ | $1.3M | 27,919 | 0.00% | 23q | -2.4%-$30.9K |
| Qube Research & Technologies Ltd | $1.2M | 27,202 | 0.00% | 3q | -39.0%-$782.8K |
| VANGUARD ASSET MANAGEMENT, Ltd | $1.1M | 25,118 | 0.00% | 2q | -3.8%-$44.9K |
| ALLIANCEBERNSTEIN L.P. | $1.1M | 30,080 | 0.00% | 31q | -2.9%-$32.3K |
| TEACHER RETIREMENT SYSTEM OF TEXAS | $1.1M | 23,434 | 0.00% | 5q | -14.3%-$175.4K |
| JB CAPITAL PARTNERS LP | $1.0M | 22,277 | 0.16% | 22q | HELD |
| Legal & General Group Plc | $1.0M | 22,254 | 0.00% | 31q | -18.4%-$226.3K |
| Atria Investments, Inc | $981.5K | 21,797 | 0.01% | 5q | -1.7%-$16.8K |
| Jain Global LLC | $975.5K | 21,664 | 0.00% | new | NEW |
| Gallagher Fiduciary Advisors, LLC | $970.4K | 21,551 | 0.03% | 5q | -1.6%-$15.9K |
| INCEPTIONR LLC | $956.3K | 21,238 | 0.23% | 3q | +181.4%+$616.5K |
| CITIGROUP INC | $858.0K | 19,053 | 0.00% | 31q | +420.6%+$693.1K |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-10-07 | 13G/A | Allspring Global Investments Holdings, LLC | 4.0% |
What the insiders did
Open market purchases and sales reported on Form 4 in the last 180 days. Grants, option exercises and shares surrendered to cover tax are left out: they are compensation rather than a decision to buy or sell. Where a broker filled one order in tranches the lines are summed, because it was one decision.
Officers and directors
| Date | Insider | Role | Side | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-30 | Parker Herbert K | Director | Sold | 15,000 | $675.5K |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2026 | 25 | $10.5M | 272,389 | 4 | 10 | 5 | 0.0% |
| Q2 2026 | 208 | $1.4B | 30,043,548 | 39 | 57 | 70 | 0.5% |
| Q1 2026 | 195 | $1.2B | 34,375,810 | 26 | 60 | 66 | 0.1% |
| Q4 2025 | 204 | $1.3B | 36,651,034 | 35 | 63 | 71 | 0.1% |
| Q3 2025 | 213 | $1.5B | 39,082,577 | 59 | 55 | 70 | 0.2% |
| Q2 2025 | 167 | $1.1B | 38,591,814 | 33 | 50 | 57 | 0.2% |
| Q1 2025 | 153 | $932.8M | 39,762,266 | 27 | 57 | 43 | 0.1% |
| Q4 2024 | 147 | $993.8M | 40,489,709 | 17 | 42 | 48 | 0.1% |
| Q3 2024 | 151 | $993.3M | 38,854,855 | 16 | 43 | 59 | 0.1% |
| Q2 2024 | 160 | $1.0B | 39,250,443 | 24 | 50 | 51 | 0.0% |
| Q1 2024 | 159 | $1.1B | 40,595,210 | 17 | 52 | 53 | 0.0% |
| Q4 2023 | 160 | $1.0B | 41,106,283 | 32 | 56 | 37 | 0.0% |
| Q3 2023 | 135 | $1.0B | 41,366,440 | 14 | 50 | 40 | 0.0% |
| Q2 2023 | 130 | $1.1B | 41,571,972 | 10 | 42 | 37 | 0.0% |
| Q1 2023 | 133 | $1.2B | 41,751,430 | 15 | 48 | 35 | 0.0% |
| Q4 2022 | 133 | $1.2B | 41,931,006 | 15 | 38 | 49 | 0.0% |
| Q3 2022 | 129 | $1.5B | 57,889,193 | 9 | 34 | 49 | 0.0% |
| Q2 2022 | 138 | $1.2B | 44,882,326 | 19 | 39 | 39 | 0.0% |
| Q1 2022 | 130 | $1.4B | 45,125,943 | 9 | 39 | 38 | 0.0% |
| Q4 2021 | 132 | $2.0B | 53,773,515 | 13 | 33 | 44 | 0.0% |
| Q3 2021 | 129 | $1.8B | 54,609,746 | 8 | 48 | 37 | 0.0% |
| Q2 2021 | 142 | $1.6B | 54,171,546 | 15 | 47 | 50 | 0.0% |
| Q1 2021 | 142 | $2.3B | 75,955,552 | 16 | 48 | 50 | 0.0% |
| Q4 2020 | 147 | $1.8B | 55,393,153 | 28 | 36 | 58 | 0.0% |
| Q3 2020 | 131 | $1.3B | 56,822,708 | 15 | 27 | 58 | 0.0% |
| Q2 2020 | 132 | $1.4B | 58,759,058 | 21 | 33 | 51 | 0.1% |
| Q1 2020 | 127 | $2.0B | 87,073,243 | 9 | 42 | 52 | 0.0% |
| Q4 2019 | 142 | $2.1B | 65,449,689 | 14 | 33 | 60 | 0.0% |
| Q3 2019 | 137 | $1.8B | 59,183,715 | 8 | 45 | 47 | 0.0% |
| Q2 2019 | 148 | $1.9B | 59,992,658 | 16 | 40 | 56 | 0.0% |
| Q1 2019 | 152 | $2.5B | 82,400,732 | 15 | 52 | 51 | 0.0% |
| Q4 2018 | 158 | $2.3B | 83,355,876 | 4 | 1 | 3 | 0.0% |
