Trimas Corp. 13F holders
207 funds reported a position in Trimas Corp. in their 13F for the quarter ended 30 June 2026, together 30.0 million shares worth $1.35 billion. Against the quarter before, 35 opened a position, 59 added, 71 trimmed and 25 sold out; together they sold a net 4.9 million shares. The largest holders: BlackRock, Inc., Dimensional Fund Advisors LP and Allspring Global Investments Holdings, LLC.
Funds holding207+13 on Q1 2026
Shares they held30.0Mworth $1.35 billion
Net sold on the quarter4.9M sharesabout $220.6 million at the funds' values
Funds buying to selling94 to 96opened or added, to cut or sold
Opened 35Added 59Held 39Trimmed 71Sold out 25
What each fund did in TRS against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in TRS in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,241 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 25 reported a position in Trimas Corp.: 3 opened one, 11 added, 6 trimmed and 3 sold out, a net 29,632 shares bought.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 7 reported a position in Trimas Corp. in a 13F for the quarter ended 30 June 2026. The largest: Permian Investment Partners, 1.2 million shares worth $52.5 million, 6.0% of its reported book. Sold out: Renaissance Technologies, Alta Fox. In the quarter, 2 funds added or opened a position and 6 trimmed or sold out; together they sold a net 126,092 shares, about $5.7 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Permian Investment Partners | 1,165,414 | $52.5 million | 6.0% | -37,086 | trimmed | 30 June 2026 | 13F |
| Geode Capital Management | 1,019,286 | $45.9 million | 0.0% | +146,749 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 453,425 | $20.4 million | 0.0% | -16,966 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 432,376 | $19.5 million | 0.0% | -12,507 | trimmed | 30 June 2026 | 13F |
| Norges Bank | 244,600 | $11.0 million | 0.0% | held | 30 June 2026 | 13F | |
| FMR LLC | 166,973 | $7.5 million | 0.0% | +161,354 | added | 30 June 2026 | 13F |
| Millennium Management | 44,429 | $2.0 million | 0.0% | -33,488 | trimmed | 30 June 2026 | 13F |
| Renaissance Technologies | 0 | $0 | 0.0% | -110,700 | exited | 30 June 2026 | 13F |
| Alta Fox | 0 | $0 | 0.0% | -223,448 | exited | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 2,530,345 | 8.42% | $113.9 million | 0.00% | +33,302 | 13F |
| Dimensional Fund Advisors LP | 2,259,471 | 7.52% | $101.7 million | 0.02% | -420 | 13F |
| Allspring Global Investments Holdings, LLC | 1,904,393 | 6.34% | $82.4 million | 0.13% | -605,526 | 13F |
| Vanguard Portfolio Management LLC | 1,681,687 | 5.60% | $75.7 million | 0.00% | -93,625 | 13F |
| Vanguard Capital Management LLC | 1,408,899 | 4.69% | $63.4 million | 0.00% | -172,440 | 13F |
| Advisory Research Inc. | 1,211,587 | 4.03% | $54.6 million | 5.44% | +91,901 | 13F |
| Permian Investment Partners, LP | 1,165,414 | 3.88% | $52.5 million | 5.95% | -37,086 | 13F |
| American Century Companies Inc. | 1,150,388 | 3.83% | $51.8 million | 0.02% | +919,944 | 13F |
| Geode Capital Management, LLC | 1,019,286 | 3.39% | $45.9 million | 0.00% | +146,749 | 13F |
| Jefferies Financial Group Inc. | 981,933 | 3.27% | $44.2 million | 0.42% | -567,729 | 13F |
| Punch & Associates Investment Management, Inc. | 807,292 | 2.69% | $36.4 million | 1.80% | +562,573 | 13F |
| State Street Corp. | 784,145 | 2.61% | $35.3 million | 0.00% | -32,460 | 13F |
| First Eagle Investment Management, LLC | 663,112 | 2.21% | $29.9 million | 0.03% | 13F | |
| Arrowstreet Capital, Limited Partnership | 579,276 | 1.93% | $26.1 million | 0.01% | +221,889 | 13F |
| Nuveen, LLC | 566,498 | 1.89% | $25.5 million | 0.01% | +1,657 | 13F |
| Massachusetts Financial Services Co. | 543,685 | 1.81% | $24.5 million | 0.01% | -78,400 | 13F |
| Two Sigma Investments, LP | 453,425 | 1.51% | $20.4 million | 0.02% | -16,966 | 13F |
| Citadel Advisors LLC | 432,376 | 1.44% | $19.5 million | 0.01% | -12,507 | 13F |
| Loomis Sayles & Co. L P | 430,537 | 1.43% | $19.4 million | 0.02% | -6,384 | 13F |
| Charles Schwab Investment Management Inc. | 424,865 | 1.41% | $19.1 million | 0.00% | -58,976 | 13F |
| Morgan Stanley | 395,385 | 1.32% | $17.8 million | 0.00% | -1,095,727 | 13F |
| Bank of New York Mellon Corp | 365,929 | 1.22% | $16.5 million | 0.00% | +184,781 | 13F |
| Oberweis Asset Management Inc. | 362,000 | 1.20% | $16.3 million | 0.34% | new | 13F |
| First Manhattan Co. LLC. | 329,720 | 1.10% | $14.8 million | 0.04% | -11,250 | 13F |
| Jane Street Group, LLC | 319,484 | 1.06% | $14.4 million | 0.01% | -70,822 | 13F |
| Bank of America Corp. | 309,554 | 1.03% | $13.9 million | 0.00% | -3,536,172 | 13F |
| Kennedy Capital Management LLC | 302,265 | 1.01% | $13.6 million | 0.24% | -74,515 | 13F |
| Lord, Abbett & Co. LLC | 285,097 | 0.95% | $12.8 million | 0.04% | -89 | 13F |
| Northern Trust Corp. | 283,632 | 0.94% | $12.8 million | 0.00% | -20,942 | 13F |
| Acadian Asset Management LLC | 281,455 | 0.94% | $12.7 million | 0.01% | new | 13F |
| Norges Bank | 244,600 | 0.81% | $11.0 million | 0.00% | 13F | |
| First Trust Advisors LP | 216,998 | 0.72% | $9.8 million | 0.01% | +175,520 | 13F |
| Goldman Sachs Group Inc. | 204,456 | 0.68% | $9.2 million | 0.00% | -88,424 | 13F |
| D. E. Shaw & Co., Inc. | 199,770 | 0.66% | $9.0 million | 0.01% | -119 | 13F |
| Vanguard Fiduciary Trust Co. | 190,359 | 0.63% | $8.6 million | 0.00% | -22,553 | 13F |
| Hotchkis & Wiley Capital Management LLC | 179,133 | 0.60% | $8.1 million | 0.02% | -17,540 | 13F |
| Sei Investments Co. | 175,345 | 0.58% | $7.9 million | 0.01% | -40,163 | 13F |
| Victory Capital Management Inc. | 167,996 | 0.56% | $7.6 million | 0.00% | new | 13F |
| FMR LLC | 166,973 | 0.56% | $7.5 million | 0.00% | +161,354 | 13F |
| Kestrel Investment Management Corp. | 149,550 | 0.50% | $6.7 million | 3.67% | no change | 13F |
| Lazard Asset Management LLC | 141,680 | 0.47% | $6.4 million | 0.01% | -16,304 | 13F |
| Barclays PLC | 114,839 | 0.38% | $5.2 million | 0.00% | +21,969 | 13F |
| Healthcare of Ontario Pension Plan Trust Fund | 103,200 | 0.34% | $4.6 million | 0.01% | -92,000 | 13F |
| SG Americas Securities, LLC | 102,237 | 0.34% | $4.6 million | 0.00% | -564,854 | 13F |
| Hillsdale Investment Management Inc. | 99,800 | 0.33% | $4.5 million | 0.10% | +8,200 | 13F |
| Russell Investments Group, Ltd. | 99,171 | 0.33% | $4.5 million | 0.00% | +35,233 | 13F |
| XTX Topco Ltd | 97,046 | 0.32% | $4.4 million | 0.06% | +10,977 | 13F |
| Harbor Capital Advisors, Inc. | 97,011 | 0.32% | $4.4 million | 0.30% | +64,784 | 13F |
| Creative Planning | 95,768 | 0.32% | $4.3 million | 0.00% | +41,608 | 13F |
| Gotham Asset Management, LLC | 94,880 | 0.32% | $4.3 million | 0.01% | +59,008 | 13F |
The 50 largest of the 207 funds that reported a position in TRS in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on TRS
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 5,400 | $243,162 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 7 October 2026 | 13G/A | Allspring Global Investments Holdings, LLC and 1 other | 1.4 million | 4.0% | 30 September 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 8 June 2026 | 13D/A | Trend International Holding AG and 1 other | 6.1 million | 16.9% | 2 March 2026 | EDGAR | |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 13 February 2026 | 13G/A | Capital International Investors and 1 other | 0 | 0.0% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 11 February 2026 | 13G/A | Bank Of America Corp and 1 other | 4.2 million | 10.2% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 13 November 2025 | 13G | Capital International Investors and 1 other | 2.9 million | 7.1% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 21 September 2026 | 12 | $38.08 | SEC |
| 18 September 2026 | 200 | $38.60 | SEC |
| 9 September 2026 | 51 | $38.73 | SEC |
| 26 August 2026 | 567 | $39.75 | SEC |
| 20 August 2026 | 140 | $38.53 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.