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Jim Simons's Westlake Corporation (WLK) position

Not anymore: Jim Simons fully exited WLK in Q4 2025. The position peaked at $40M in Q4 2024.
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Value at exit
$2.0M
Shares at exit
26K
Est. average buy price (i)
$138.35
Quarter-end price
$77.06

Estimated trade prices

Average price in quarters with purchases
$121.94
Average prices in quarters with sales
  • Q3 2025: $83.37 (118K shares sold)
  • Q2 2025: $81.83 (136K shares sold)
  • Q1 2025: $110.75 (71K shares sold)
  • Q1 2022: $109.04 (158K shares sold)
  • Q3 2021: $85.64 (29K shares sold)

WLK price vs Simons's position

1Y 3Y 5Y MAX
Dates
$50$100$1502026Sold 118K shares (82.0%) · Q3 2025. Average closing price $83.37 · Price range $75.43–$90.60118Ksharessold← Earlier —10 purchases, 4 sells
Average closing price · filing quarter
$83.37
Price range · filing quarter
$75.43 – $90.60
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q4 2025 Exited −26K −$1.8M −100.0% 0 Feb 12, 2026
Q3 2025 Reduced −118K −$9.9M −82.0% 26K Nov 13, 2025
Q2 2025 Reduced −136K −$11M −48.5% 144K Aug 13, 2025
Q1 2025 Reduced −71K −$7.8M −20.1% 280K May 14, 2025
Q4 2024 Added +183K +$24M +108.6% 351K Feb 13, 2025
Q3 2024 Added +109K +$16M +184.4% 168K Nov 13, 2024
Q2 2024 New +59K +$9.1M – 59K Aug 9, 2024
Q4 2023 Added +7K +$851K +10.8% 69K Feb 13, 2024
Q3 2023 Added +47K +$6.0M +299.4% 62K Nov 14, 2023
Q2 2023 New +16K +$1.8M – 16K Aug 11, 2023
Q3 2022 Added +31K +$2.9M +65.2% 78K Nov 14, 2022
Q2 2022 Added +24K +$3.0M +106.6% 47K Aug 12, 2022
Q1 2022 Reduced −158K −$17M −87.5% 23K May 13, 2022
Q4 2021 Added +70K +$6.8M +63.1% 181K Feb 11, 2022
Q3 2021 Reduced −29K −$2.5M −20.8% 111K Nov 12, 2021
Q2 2021 New +140K +$14M – 140K Aug 13, 2021
Data through Q4 2025 · filed Feb 12, 2026
16 grouped rows from 16 quarters

More Simons positions

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Kinross Gold Corporation(KGC)
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Micron Technology, Inc.(MU)
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VeriSign, Inc.(VRSN)
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Common questions

Does Jim Simons own WLK?

Not currently. Jim Simons fully exited WLK in Q4 2025, and the complete history is above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy WLK?

Jim Simons first disclosed a WLK 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 Jim Simons sell WLK?

Yes. Jim Simons reduced and then fully exited WLK by Q4 2025; the reductions are in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of WLK does Jim Simons own?

None as of the latest filing: Jim Simons has exited WLK. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for WLK?

Jim Simons's estimated average buy price for WLK is $138.35, 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.