Save your place

Sign in to WhoBought

Please try again later.

Ken Griffin's Trex Company, Inc. (TREX) position

Yes: as of Q1 2026, Ken Griffin holds 1.3M shares of TREX worth $49M (0.0% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
View full portfolio →
Current value
$49M
Shares held
1.3M
% of portfolio
0.0%
Est. average buy price (i)
$40.45
est. since Q4 2025
Quarter-end price
$36.42

Estimated trade prices

Average price in quarters with purchases
$71.10
Average prices in quarters with sales
  • Q1 2026: $40.23 (560K shares sold)
  • Q3 2025: $60.90 (88K shares sold)
  • Q2 2025: $56.68 (1.2M shares sold)
  • Q4 2023: $66.33 (619K shares sold)
  • Q1 2023: $50.58 (338K shares sold)
  • Q3 2022: $53.50 (70K shares sold)
  • Q2 2022: $60.33 (406K shares sold)

TREX price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$30$100$15020222023202420252026Added 71K shares (45.8%) · Q3 2021. Average closing price $104.56 · Price range $95.10–$114.2371KsharespurchasedAdded 51K shares (22.4%) · Q4 2021. Average closing price $120.04 · Price range $91.29–$140.6851KsharespurchasedAdded 280K shares (101.1%) · Q1 2022. Average closing price $89.05 · Price range $65.33–$133.55280KsharespurchasedSold 406K shares (72.8%) · Q2 2022. Average closing price $60.33 · Price range $50.07–$67.54406KsharessoldSold 70K shares (46.2%) · Q3 2022. Average closing price $53.50 · Price range $42.97–$65.2770KsharessoldAdded 590K shares (724.7%) · Q4 2022. Average closing price $45.39 · Price range $39.98–$51.30590KsharespurchasedSold 338K shares (50.4%) · Q1 2023. Average closing price $50.58 · Price range $43.70–$57.56338KsharessoldAdded 156K shares (47.0%) · Q2 2023. Average closing price $55.79 · Price range $47.50–$65.56156KsharespurchasedAdded 295K shares (60.2%) · Q3 2023. Average closing price $68.61 · Price range $61.42–$75.95295KsharespurchasedSold 619K shares (78.9%) · Q4 2023. Average closing price $66.33 · Price range $54.28–$83.72619KsharessoldAdded 368K shares (222.3%) · Q1 2024. Average closing price $89.05 · Price range $76.40–$100.10368KsharespurchasedAdded 138K shares (25.9%) · Q2 2024. Average closing price $87.49 · Price range $74.12–$97.97138KsharespurchasedAdded 37K shares (5.4%) · Q3 2024. Average closing price $70.19 · Price range $59.17–$85.8237KsharespurchasedAdded 164K shares (23.1%) · Q4 2024. Average closing price $70.47 · Price range $62.86–$79.88164KsharespurchasedAdded 693K shares (79.5%) · Q1 2025. Average closing price $64.97 · Price range $54.00–$74.44693KsharespurchasedSold 1.2M shares (77.9%) · Q2 2025. Average closing price $56.68 · Price range $50.52–$61.771.2MsharessoldSold 88K shares (25.4%) · Q3 2025. Average closing price $60.90 · Price range $50.48–$68.4988KsharessoldSold 560K shares (29.5%) · Q1 2026. Average closing price $40.23 · Price range $35.39–$44.44560Ksharessold← Earlier —1 purchase
Average closing price · filing quarter
$40.23
Price range · filing quarter
$35.39 – $44.44
Sign in to see who bought

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −560K −$23M −29.5% 1.3M May 15, 2026
Q4 2025 First covered – – – 1.9M Feb 17, 2026
Q3 2025 Reduced −88K −$5.3M −25.4% 257K Nov 14, 2025
Q2 2025 Reduced −1.2M −$69M −77.9% 345K Aug 14, 2025
Q1 2025 Added +693K +$45M +79.5% 1.6M May 15, 2025
Q4 2024 Added +164K +$12M +23.1% 871K Feb 14, 2025
Q3 2024 Added +37K +$2.6M +5.4% 708K Nov 14, 2024
Q2 2024 Added +138K +$12M +25.9% 671K Aug 14, 2024
Q1 2024 Added +368K +$33M +222.3% 533K May 15, 2024
Q4 2023 Reduced −619K −$41M −78.9% 165K Feb 14, 2024
Q3 2023 Added +295K +$20M +60.2% 784K Nov 14, 2023
Q2 2023 Added +156K +$8.7M +47.0% 489K Aug 14, 2023
Q1 2023 Reduced −338K −$17M −50.4% 333K May 15, 2023
Q4 2022 Added +590K +$27M +724.7% 671K Feb 14, 2023
Q3 2022 Reduced −70K −$3.7M −46.2% 81K Nov 14, 2022
Q2 2022 Reduced −406K −$24M −72.8% 151K Aug 15, 2022
Q1 2022 Added +280K +$25M +101.1% 557K May 16, 2022
Q4 2021 Added +51K +$6.1M +22.4% 277K Feb 14, 2022
Q3 2021 Added +71K +$7.4M +45.8% 226K Nov 15, 2021
Q2 2021 Added +131K +$13M +542.8% 155K Aug 16, 2021
Q1 2021 First covered – – – 24K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
21 grouped rows from 21 quarters

More Griffin positions

NVIDIA Corporation(NVDA)
$3.2B
2.3% of portfolio

Amazon.com, Inc.(AMZN)
$1.7B
1.2% of portfolio

Micron Technology, Inc.(MU)
$1.6B
1.1% of portfolio

Taiwan Semiconductor Manufacturing Company Limited(TSM)
$1.4B
1.0% of portfolio

Apple Inc.(AAPL)
$1.3B
0.9% of portfolio

Meta Platforms, Inc.(META)
$1.0B
0.7% of portfolio

Common questions

Does Ken Griffin own TREX?

Yes. As of Q1 2026, Ken Griffin disclosed 1.3M shares of TREX, worth $49M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy TREX?

Ken Griffin held TREX since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Ken Griffin sell TREX?

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

How many shares of TREX does Ken Griffin own?

Ken Griffin disclosed 1.3M shares of TREX 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 TREX?

Ken Griffin began building the TREX position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. 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.