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Ken Griffin's TriMas Corporation (TRS) position

Yes: as of Q1 2026, Ken Griffin holds 445K shares of TRS worth $16M (0.0% of the disclosed portfolio). Last quarter the position was increased by 358.7%. First disclosed Q2 2021.
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Current value
$16M
Shares held
445K
% of portfolio
0.0%
Est. average buy price (i)
$34.59
Quarter-end price
$35.94

Estimated trade prices

Average price in quarters with purchases
$30.97
Average prices in quarters with sales
  • Q4 2025: $34.92 (268K shares sold)
  • Q2 2025: $24.53 (37K shares sold)
  • Q4 2024: $26.21 (31K shares sold)
  • Q2 2024: $26.30 (129K shares sold)
  • Q3 2023: $25.99 (3K shares sold)
  • Q2 2023: $26.42 (50K shares sold)
  • Q1 2023: $29.32 (35K shares sold)

TRS price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$20$40$6020222023202420252026New position of 15K shares · Q4 2021. Average closing price $34.47 · Price range $31.43–$38.4615KsharespurchasedAdded 2K shares (10.5%) · Q1 2022. Average closing price $33.36 · Price range $30.70–$36.872KsharespurchasedAdded 3K shares (17.3%) · Q2 2022. Average closing price $28.91 · Price range $25.61–$32.893KsharespurchasedAdded 8K shares (40.4%) · Q3 2022. Average closing price $27.56 · Price range $24.82–$30.278KsharespurchasedAdded 86K shares (310.2%) · Q4 2022. Average closing price $26.71 · Price range $22.53–$28.6086KsharespurchasedSold 35K shares (30.9%) · Q1 2023. Average closing price $29.32 · Price range $26.69–$31.5135KsharessoldSold 50K shares (63.5%) · Q2 2023. Average closing price $26.42 · Price range $25.05–$28.7750KsharessoldSold 3K shares (9.4%) · Q3 2023. Average closing price $25.99 · Price range $24.15–$28.443KsharessoldAdded 119K shares (455.5%) · Q4 2023. Average closing price $24.72 · Price range $22.88–$26.90119KsharespurchasedAdded 10K shares (6.7%) · Q1 2024. Average closing price $24.96 · Price range $23.44–$26.7310KsharespurchasedSold 129K shares (82.9%) · Q2 2024. Average closing price $26.30 · Price range $25.04–$27.80129KsharessoldAdded 69K shares (261.3%) · Q3 2024. Average closing price $25.08 · Price range $22.97–$27.5969KsharespurchasedSold 31K shares (32.7%) · Q4 2024. Average closing price $26.21 · Price range $24.47–$28.3231KsharessoldAdded 149K shares (231.5%) · Q1 2025. Average closing price $23.68 · Price range $20.49–$25.42149KsharespurchasedSold 37K shares (17.1%) · Q2 2025. Average closing price $24.53 · Price range $19.90–$28.6137KsharessoldAdded 188K shares (106.0%) · Q3 2025. Average closing price $35.52 · Price range $29.05–$40.02188KsharespurchasedSold 268K shares (73.4%) · Q4 2025. Average closing price $34.92 · Price range $31.08–$39.95268KsharessoldAdded 348K shares (358.7%) · Q1 2026. Average closing price $35.87 · Price range $33.73–$39.52348Ksharespurchased← Earlier —1 purchase
Average closing price · filing quarter
$35.87
Price range · filing quarter
$33.73 – $39.52
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +348K +$12M +358.7% 445K May 15, 2026
Q4 2025 Reduced −268K −$9.3M −73.4% 97K Feb 17, 2026
Q3 2025 Added +188K +$6.7M +106.0% 365K Nov 14, 2025
Q2 2025 Reduced −37K −$897K −17.1% 177K Aug 14, 2025
Q1 2025 Added +149K +$3.5M +231.5% 214K May 15, 2025
Q4 2024 Reduced −31K −$821K −32.7% 64K Feb 14, 2025
Q3 2024 Added +69K +$1.7M +261.3% 96K Nov 14, 2024
Q2 2024 Reduced −129K −$3.4M −82.9% 27K Aug 14, 2024
Q1 2024 Added +10K +$244K +6.7% 155K May 15, 2024
Q4 2023 Added +119K +$2.9M +455.5% 145K Feb 14, 2024
Q3 2023 Reduced −3K −$71K −9.4% 26K Nov 14, 2023
Q2 2023 Reduced −50K −$1.3M −63.5% 29K Aug 14, 2023
Q1 2023 Reduced −35K −$1.0M −30.9% 79K May 15, 2023
Q4 2022 Added +86K +$2.3M +310.2% 114K Feb 14, 2023
Q3 2022 Added +8K +$221K +40.4% 28K Nov 14, 2022
Q2 2022 Added +3K +$85K +17.3% 20K Aug 15, 2022
Q1 2022 Added +2K +$54K +10.5% 17K May 16, 2022
Q4 2021 New +15K +$528K – 15K Feb 14, 2022
Q2 2021 New +118K +$3.7M – 118K Aug 16, 2021
Data through Q1 2026 · filed May 15, 2026
19 grouped rows from 19 quarters

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Common questions

Does Ken Griffin own TRS?

Yes. As of Q1 2026, Ken Griffin disclosed 445K shares of TRS, worth $16M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy TRS?

Ken Griffin first disclosed a TRS position in Q2 2021; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Ken Griffin sell TRS?

The quarter-by-quarter table above shows each sale and reduction Ken Griffin disclosed in TRS. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of TRS does Ken Griffin own?

Ken Griffin disclosed 445K shares of TRS as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Ken Griffin pay for TRS?

Ken Griffin's estimated average buy price for TRS is $34.59, from quarter-average prices weighted by the shares added each quarter. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.