Institutional HoldersBeta

Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.

TRIMAS CORP

CIK 0000842633TRS· quarter ending 2026-06-30
Shares outstanding
35,873,873
Held by 13F filers
30,043,548
83.7% of shares outstanding
Holders
207
+13 vs 2026-03-31 · 40 new, 27 exited
Value
$1.3B
shares -12.6% vs prior quarter

Share classes (cover page of the 10-Q filed 2026-07-31, as of 2026-07-23)

ClassListedShares outstandingHeld by 13F filers% of classHoldersCUSIP
Common stock—35,873,87330,043,54883.7%207896215209

Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.

Securities (CUSIPs held in 13F this quarter)

tick to combine
CountCUSIPClass (as filers write it)HoldersShares heldClass shares% of classValueOptionsMapped via
896215209COM NEW20730,043,54835,873,87383.7%$1.3B3 call / 0 put13DGholders →

Totals combine the ticked CUSIPs and update as you tick: common-stock classes by default; preferreds, notes, warrants and depositary shares are listed but not counted. "holders →" shows a single CUSIP on its own. Bonds are held as a principal amount, not shares. Options positions are never counted as holdings. 1 further CUSIPs map to this company (mostly bonds) but no 13F filer held them this quarter.

Top holders (207 of 207 · 896215209)

change vs 2026-03-31
#FilerShares% of classValueChange
1BlackRock, Inc.2,530,3457.05%$113.9M+33,302 (+1.3%)
2DIMENSIONAL FUND ADVISORS LP2,259,4716.30%$101.7M-420 (-0.0%)
3Allspring Global Investments Holdings, LLC1,904,3935.31%$82.4M-605,526 (-24.1%)
4VANGUARD PORTFOLIO MANAGEMENT LLC1,681,6874.69%$75.7M-93,625 (-5.3%)
5VANGUARD CAPITAL MANAGEMENT LLC1,408,8993.93%$63.4M-172,440 (-10.9%)
6ADVISORY RESEARCH INC1,211,5873.38%$54.6M+91,901 (+8.2%)
7Permian Investment Partners, LP1,165,4143.25%$52.5M-37,086 (-3.1%)
8AMERICAN CENTURY COMPANIES INC1,150,3883.21%$51.8M+919,944 (+399.2%)
9GEODE CAPITAL MANAGEMENT, LLC1,019,2862.84%$45.9M+146,749 (+16.8%)
10Jefferies Financial Group Inc.981,9332.74%$44.2M-567,729 (-36.6%)
11PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.807,2922.25%$36.4M+562,573 (+229.9%)
12STATE STREET CORP784,1452.19%$35.3M-32,460 (-4.0%)
13First Eagle Investment Management, LLC663,1121.85%$29.9M+345,106 (+108.5%)
14ARROWSTREET CAPITAL, LIMITED PARTNERSHIP579,2761.61%$26.1M+221,889 (+62.1%)
15Nuveen, LLC566,4981.58%$25.5M+1,657 (+0.3%)
16MASSACHUSETTS FINANCIAL SERVICES CO /MA/543,6851.52%$24.5M-78,400 (-12.6%)
17TWO SIGMA INVESTMENTS, LP453,4251.26%$20.4M-16,966 (-3.6%)
18CITADEL ADVISORS LLC432,3761.21%$19.5M-12,507 (-2.8%)
19LOOMIS SAYLES & CO L P430,5371.20%$19.4M-6,384 (-1.5%)
20CHARLES SCHWAB INVESTMENT MANAGEMENT INC424,8651.18%$19.1M-58,976 (-12.2%)
21MORGAN STANLEY395,3851.10%$17.8M-1,095,727 (-73.5%)
22Bank of New York Mellon Corp365,9291.02%$16.5M+184,781 (+102.0%)
23OBERWEIS ASSET MANAGEMENT INC/362,0001.01%$16.3MNEW
24FIRST MANHATTAN CO. LLC.329,7200.92%$14.8M-11,250 (-3.3%)
25JANE STREET GROUP, LLC319,4840.89%$14.4M-70,822 (-18.1%)
26BANK OF AMERICA CORP /DE/309,5540.86%$13.9M-3,536,172 (-92.0%)
27KENNEDY CAPITAL MANAGEMENT LLC302,2650.84%$13.6M-74,515 (-19.8%)
28LORD, ABBETT & CO. LLC285,0970.79%$12.8M-89 (-0.0%)
29NORTHERN TRUST CORP283,6320.79%$12.8M-20,942 (-6.9%)
30ACADIAN ASSET MANAGEMENT LLC281,4550.78%$12.7MNEW
31NORGES BANK244,6000.68%$11.0MNEW
32FIRST TRUST ADVISORS LP216,9980.60%$9.8M+175,520 (+423.2%)
33GOLDMAN SACHS GROUP INC204,4560.57%$9.2M-88,424 (-30.2%)
34D. E. Shaw & Co., Inc.199,7700.56%$9.0M-119 (-0.1%)
35VANGUARD FIDUCIARY TRUST CO190,3590.53%$8.6M-22,553 (-10.6%)
36HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC179,1330.50%$8.1M-17,540 (-8.9%)
37SEI INVESTMENTS CO175,3450.49%$7.9M-40,163 (-18.6%)
38VICTORY CAPITAL MANAGEMENT INC167,9960.47%$7.6MNEW
39FMR LLC166,9730.47%$7.5M+161,354 (+2871.6%)
40KESTREL INVESTMENT MANAGEMENT CORP149,5500.42%$6.7M—
41LAZARD ASSET MANAGEMENT LLC141,6800.39%$6.4M-16,304 (-10.3%)
42BARCLAYS PLC114,8390.32%$5.2M+21,969 (+23.7%)
43HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND103,2000.29%$4.6M-92,000 (-47.1%)
44SG Americas Securities, LLC102,2370.28%$4.6M-564,854 (-84.7%)
45Hillsdale Investment Management Inc.99,8000.28%$4.5M+8,200 (+9.0%)
46Russell Investments Group, Ltd.99,1710.28%$4.5M+35,233 (+55.1%)
47XTX Topco Ltd97,0460.27%$4.4M+10,977 (+12.8%)
48HARBOR CAPITAL ADVISORS, INC.97,0110.27%$4.4M+64,784 (+201.0%)
49Creative Planning95,7680.27%$4.3M+41,608 (+76.8%)
50Gotham Asset Management, LLC94,8800.26%$4.3M+59,008 (+164.5%)
51UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC93,5760.26%$4.2M-7,786 (-7.7%)
52BESSEMER GROUP INC91,6860.26%$4.1M—
53Campbell & CO Investment Adviser LLC90,1940.25%$4.1M+35,504 (+64.9%)
54Trexquant Investment LP81,2790.23%$3.7MNEW
55Quinn Opportunity Partners LLC79,6830.22%$3.6M-7,500 (-8.6%)
56PRINCIPAL FINANCIAL GROUP INC78,8040.22%$3.5M+5,555 (+7.6%)
57Invesco Ltd.75,1230.21%$3.4M-7,336 (-8.9%)
58TUDOR INVESTMENT CORP ET AL68,2540.19%$3.1M-92,230 (-57.5%)
59UBS Group AG66,9570.19%$3.0M+34,277 (+104.9%)
60Man Group plc65,0880.18%$2.9MNEW
61Lighthouse Investment Partners, LLC63,5660.18%$2.9MNEW
62CAPITAL FUND MANAGEMENT S.A.61,1930.17%$2.8M+34,965 (+133.3%)
63AQR CAPITAL MANAGEMENT LLC57,2440.16%$2.6M+22,847 (+66.4%)
64Swiss National Bank57,1000.16%$2.6M-7,100 (-11.1%)
65Oliver Luxxe Assets LLC54,4860.15%$2.5M-4,898 (-8.2%)
66EVR Research LP50,0000.14%$2.3MNEW
67CastleKnight Management LP45,7000.13%$2.1MNEW
68Ancora Advisors LLC45,3180.13%$2.0M—
69Quantinno Capital Management LP45,2460.13%$2.0M+30,943 (+216.3%)
70MILLENNIUM MANAGEMENT LLC44,4290.12%$2.0M-33,488 (-43.0%)
71AMERIPRISE FINANCIAL INC43,8950.12%$2.0M+13,623 (+45.0%)
72JPMORGAN CHASE & CO42,6660.12%$2.0M+9,940 (+30.4%)
73Jump Financial, LLC42,2420.12%$1.9MNEW
74WELLS FARGO & COMPANY/MN41,6560.12%$1.9M+13,259 (+46.7%)
75RHUMBLINE ADVISERS39,8020.11%$1.8M-2,496 (-5.9%)
76CIBC Bancorp USA Inc.38,7690.11%$1.7M+149 (+0.4%)
77HSBC HOLDINGS PLC36,3260.10%$1.6M+17,075 (+88.7%)
78RICE HALL JAMES & ASSOCIATES, LLC36,1540.10%$1.6M+18 (+0.0%)
79SUSQUEHANNA INTERNATIONAL GROUP, LLP34,6140.10%$1.6M-40,443 (-53.9%)
80Cerity Partners LLC33,2930.09%$1.5MNEW
81GSA CAPITAL PARTNERS LLP32,9850.09%$1.5M+27,029 (+453.8%)
82DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main32,9230.09%$1.5MNEW
83CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM32,0070.09%$1.4M+2,231 (+7.5%)
84Corient Private Wealth LP30,4600.08%$1.4MNEW
85Universal- Beteiligungs- und Servicegesellschaft mbH30,2440.08%$1.4M+14,348 (+90.3%)
86Susquehanna Portfolio Strategies, LLC30,1540.08%$1.4M-341 (-1.1%)
87ALLIANCEBERNSTEIN L.P.30,0800.08%$1.1M-900 (-2.9%)
88Balyasny Asset Management L.P.29,2220.08%$1.3M-39,769 (-57.6%)
89DEUTSCHE BANK AG\28,9490.08%$1.3M-1,753 (-5.7%)
90PRICE T ROWE ASSOCIATES INC /MD/27,9190.08%$1.3M-685 (-2.4%)
91Qube Research & Technologies Ltd27,2020.08%$1.2M-17,385 (-39.0%)
92VANGUARD ASSET MANAGEMENT, Ltd25,1180.07%$1.1M-997 (-3.8%)
93TEACHER RETIREMENT SYSTEM OF TEXAS23,4340.07%$1.1M-3,896 (-14.3%)
94JB CAPITAL PARTNERS LP22,2770.06%$1.0M—
95Legal & General Group Plc22,2540.06%$1.0M-5,026 (-18.4%)
96Atria Investments, Inc21,7970.06%$982K-373 (-1.7%)
97Jain Global LLC21,6640.06%$976KNEW
98Gallagher Fiduciary Advisors, LLC21,5510.06%$970K-354 (-1.6%)
99INCEPTIONR LLC21,2380.06%$956K+13,691 (+181.4%)
100CITIGROUP INC19,0530.05%$858K+15,393 (+420.6%)
101EntryPoint Capital, LLC18,8680.05%$850K+4,252 (+29.1%)
102IRONWOOD INVESTMENT MANAGEMENT LLC18,6750.05%$841K+2 (+0.0%)
103Ethic Inc.18,6660.05%$841K+2,266 (+13.8%)
104Schneider Downs Wealth Management Advisors, LP18,4740.05%$832K—
105STATE OF WISCONSIN INVESTMENT BOARD18,2290.05%$821K+4,034 (+28.4%)
106CANADA PENSION PLAN INVESTMENT BOARD18,0000.05%$811K-4,700 (-20.7%)
107MetLife Investment Management, LLC16,8810.05%$760K-1,343 (-7.4%)
108MANGROVE PARTNERS IM, LLC16,3650.05%$737K+1,086 (+7.1%)
109KLP KAPITALFORVALTNING AS15,6000.04%$702K+8,200 (+110.8%)
110MARTINGALE ASSET MANAGEMENT L P15,3200.04%$690K+5,220 (+51.7%)
111Inspire Investing, LLC15,0860.04%$679K+897 (+6.3%)
112ROYAL BANK OF CANADA14,0430.04%$632K+13,972 (+19678.9%)
113AdvisorShares Investments LLC13,7500.04%$619KNEW
114Mariner, LLC13,0310.04%$587K+4,783 (+58.0%)
115Jackson Creek Investment Advisors LLC12,9770.04%$518K-35 (-0.3%)
116AE Wealth Management LLC12,9000.04%$581K+1,085 (+9.2%)
117MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.12,5960.04%$567K-2,403 (-16.0%)
118VOYA INVESTMENT MANAGEMENT LLC12,1250.03%$546KNEW
119STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM11,8440.03%$533K—
120MANUFACTURERS LIFE INSURANCE COMPANY, THE11,5080.03%$518K-2,345 (-16.9%)
121Next Capital Management LLC11,5000.03%$518K—
122ENVESTNET ASSET MANAGEMENT INC10,6760.03%$481K+4,210 (+65.1%)
123Aquatic Capital Management LLC10,2780.03%$463K-11,530 (-52.9%)
124NEW YORK STATE COMMON RETIREMENT FUND10,0500.03%$453K—
125Jupiter Topco LLC9,9610.03%$449KNEW
126Vanguard Global Advisers, LLC9,9380.03%$448K-4,320 (-30.3%)
127PRELUDE CAPITAL MANAGEMENT, LLC9,9000.03%$446KNEW
128Police & Firemen's Retirement System of New Jersey9,3780.03%$422K—
129Savant Capital, LLC9,3690.03%$380KNEW
130PRUDENTIAL FINANCIAL INC9,3260.03%$420KNEW
131STIFEL FINANCIAL CORP9,2670.03%$417K-9,250 (-50.0%)
132INTECH INVESTMENT MANAGEMENT LLC8,9300.02%$402K-2,789 (-23.8%)
133UNITED CAPITAL FINANCIAL ADVISORS, LLC8,6080.02%$388K—
134BNP PARIBAS FINANCIAL MARKETS8,3070.02%$374K-1,266 (-13.2%)
135Engineers Gate Manager LP8,3000.02%$374K-692 (-7.7%)
136Vanguard Investments Australia, Ltd.8,2430.02%$371K—
137Tidal Investments LLC8,2020.02%$369K-330 (-3.9%)
138HB Wealth Management, LLC8,1360.02%$366K+221 (+2.8%)
139Brevan Howard Capital Management LP7,9440.02%$358K+2,328 (+41.5%)
140LSV ASSET MANAGEMENT7,9000.02%$356K—
141BAILARD, INC.7,9000.02%$356KNEW
142ARIZONA STATE RETIREMENT SYSTEM7,8450.02%$353K-1,086 (-12.2%)
143Zurcher Kantonalbank (Zurich Cantonalbank)7,6210.02%$343K—
144Cornerstone Investment Partners, LLC7,3810.02%$332K-353 (-4.6%)
145Advisory Services Network, LLC7,2620.02%$327K+7,260 (+363000.0%)
146CLEAR WAVE WEALTH MANAGEMENT LLC7,1670.02%$323K—
147Schonfeld Strategic Advisors LLC7,1410.02%$322KNEW
148ALLSTATE CORP6,9030.02%$311KNEW
149BOKF, NA6,7780.02%$305KNEW
150Ellevest, Inc.6,2810.02%$283K-345 (-5.2%)
151Swiss Life Asset Management Ltd6,1660.02%$278KNEW
152HighTower Advisors, LLC5,5030.02%$248KNEW
153State of Wyoming5,4670.02%$246K-5,058 (-48.1%)
154Pictet Asset Management Holding SA5,3300.01%$240KNEW
155MONETA GROUP INVESTMENT ADVISORS LLC5,2900.01%$238KNEW
156Cetera Investment Advisers5,1880.01%$234KNEW
157M&T Bank Corp4,9290.01%$222KNEW
158CANADA LIFE ASSURANCE Co4,6550.01%$209K—
159Mitsubishi UFJ Trust & Banking Corp3,7090.01%$167KNEW
160Steward Partners Investment Advisory, LLC3,1360.01%$141K-36 (-1.1%)
161Rockefeller Capital Management L.P.2,7560.01%$124K—
162LOS ANGELES CAPITAL MANAGEMENT LLC2,6700.01%$120K+2,187 (+452.8%)
163NISA INVESTMENT ADVISORS, LLC2,5020.01%$113K+2,015 (+413.8%)
164Ameritas Investment Partners, Inc.2,4930.01%$112K-283 (-10.2%)
165State of Alaska, Department of Revenue1,7070.00%$76K—
166WHITTIER TRUST CO1,3000.00%$54K—
167Versant Capital Management, Inc1,0950.00%$49K—
168Ball & Co Wealth Management Inc.1,0030.00%$45K+1 (+0.1%)
169BNP PARIBAS ASSET MANAGEMENT Holding S.A.8150.00%$37K+429 (+111.1%)
170Tower Research Capital LLC (TRC)8070.00%$36K-2,275 (-73.8%)
171PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO7550.00%$34K-88 (-10.4%)
172Mitsubishi UFJ Asset Management Co., Ltd.6680.00%$30K—
173SIGNATUREFD, LLC6660.00%$30K+491 (+280.6%)
174Kemnay Advisory Services Inc.5590.00%$25K-490 (-46.7%)
175Sterling Capital Management LLC5540.00%$25K-504 (-47.6%)
176OSAIC HOLDINGS, INC.3920.00%$18K-11,106 (-96.6%)
177GAMMA Investing LLC3880.00%$17K+15 (+4.0%)
178Allworth Financial LP3070.00%$14K+202 (+192.4%)
179Covestor Ltd2490.00%$12K+237 (+1975.0%)
180Pinnacle Wealth Planning Services, Inc.2260.00%$10K—
181US BANCORP \DE\2210.00%$10K-54 (-19.6%)
182Arax Advisory Partners2050.00%$9KNEW
183Nykredit A/S1510.00%$7KNEW
184ROTHSCHILD INVESTMENT LLC1500.00%$7K+1 (+0.7%)
185Quantbot Technologies LP1310.00%$6KNEW
186MEEDER ASSET MANAGEMENT INC1280.00%$6KNEW
187Cranbrook Wealth Management, LLC1210.00%$5K—
188Optiver Holding B.V.1140.00%$5K-58 (-33.7%)
189Farther Finance Advisors, LLC1000.00%$5K+5 (+5.3%)
190EverSource Wealth Advisors, LLC800.00%$4K-88 (-52.4%)
191BARROW HANLEY MEWHINNEY & STRAUSS LLC750.00%$3KNEW
192Silver Grove Financial Group, Inc.720.00%$3KNEW
193ASSETMARK, INC570.00%$3K—
194FIFTH THIRD BANCORP570.00%$3K+36 (+171.4%)
195Smartleaf Asset Management LLC520.00%$2K—
196Global Retirement Partners, LLC440.00%$2KNEW
197Parallel Advisors, LLC440.00%$2K—
198SJS Investment Consulting Inc.420.00%$2K+30 (+250.0%)
199PNC Financial Services Group, Inc.420.00%$2K—
200RAFFA WEALTH MANAGEMENT, LLC410.00%$2K—
201Essential Partners LLC360.00%$2K+21 (+140.0%)
202Investors Portfolio Services LLC130.00%$585—
203True Wealth Design, LLC130.00%$586-13 (-50.0%)
204INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC120.00%$519—
205Clearstead Advisors, LLC90.00%$407NEW
206Keating Financial Advisory Services, Inc.10.00%$45NEW
207SBI Securities Co., Ltd.10.00%$45—
Exited since 2026-03-31 (27 filers; largest 25 shown)
FRANKLIN RESOURCES INC−438,902
WELLINGTON MANAGEMENT GROUP LLP−403,924
ALTA FOX CAPITAL MANAGEMENT, LLC−223,448
Squarepoint Ops LLC−136,901
HRT FINANCIAL LP−123,226
RENAISSANCE TECHNOLOGIES LLC−110,700
STEEL PARTNERS HOLDINGS L.P.−54,064
NewGen Asset Management Ltd−40,000
VARCOV Co.−34,253
PANAGORA ASSET MANAGEMENT INC−33,616
DARK FOREST CAPITAL MANAGEMENT LP−32,972
Centiva Capital, LP−25,139
VIRGINIA RETIREMENT SYSTEMS ET Al−23,952
JACKSON SQUARE CAPITAL, LLC−18,000
JANUS HENDERSON GROUP PLC−17,361
PZENA INVESTMENT MANAGEMENT LLC−9,923
Quadrature Capital Ltd−8,670
MIRABELLA FINANCIAL SERVICES LLP−8,444
AXQ CAPITAL, LP−6,925
CWM, LLC−2,670
Freestone Grove Partners LP−985
AdvisorNet Financial, Inc−785
MAI Capital Management−585
QUADRANT CAPITAL GROUP LLC−359
Crewe Advisors LLC−88

Large holders from 13D/13G (latest per reporting person, last 2 years)

Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.

Reporting personFormFiledEventShares% of class
Allspring Global Investments Holdings, LLCSCHEDULE 13G/A2026-10-072026-09-301,419,4844%
Shawn SedaghatSCHEDULE 13D/A2026-06-082026-03-026,054,42516.9%
Trend International Holding AGSCHEDULE 13D/A2026-06-082026-03-024,170,66711.6%
The Vanguard GroupSCHEDULE 13G/A2026-03-272026-03-1300%
Capital International InvestorsSCHEDULE 13G/A2026-02-132025-12-3100%
BANK OF AMERICA CORP /DE/SCHEDULE 13G/A2026-02-112025-12-314,161,89110.2%
PZENA INVESTMENT MANAGEMENT LLCSCHEDULE 13G/A2025-10-142025-09-301,302,2653.2%
BlackRock, Inc.SCHEDULE 13G/A2025-07-162025-06-302,537,2856.2%
Wellington Group Holdings LLPSCHEDULE 13G/A2025-05-122025-03-311,361,9523.3%
Wellington Investment Advisors Holdings LLPSCHEDULE 13G/A2025-05-122025-03-311,361,9523.3%
Wellington Management Group LLPSCHEDULE 13G/A2025-05-122025-03-311,361,9523.3%
FIDUCIARY MANAGEMENT INC /WI/SCHEDULE 13G2025-02-202025-02-102,013,8355%
WASATCH ADVISORS LPSCHEDULE 13G2025-02-112024-12-3100%

Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.