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Jim Simons's STMicroelectronics N.V. (STM) position

Not anymore: Jim Simons fully exited STM in Q1 2025. The position peaked at an amount we cannot price in Q1 2021.
View full portfolio →
Value at exit
an amount we cannot price
Shares at exit
579K
Quarter-end price
No quarter-end price available

Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.

STM price vs Simons's position

Dates
$50$55$60$65$70← Earlier —7 purchases, 5 sells
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2025 Exited −579K −100.0% 0 May 14, 2025
Q4 2024 New +579K 579K Feb 13, 2025
Q1 2024 New +11K 11K May 13, 2024
Q3 2023 Reduced −221K −17.2% 1.1M Nov 14, 2023
Q2 2023 Reduced −929K −42.0% 1.3M Aug 11, 2023
Q1 2023 Added +1.8M +448.6% 2.2M May 12, 2023
Q4 2022 Reduced −443K −52.3% 404K Feb 13, 2023
Q3 2022 Added +65K +8.3% 847K Nov 14, 2022
Q2 2022 Added +663K +559.0% 781K Aug 12, 2022
Q1 2022 Reduced −1.4M −92.3% 119K May 13, 2022
Q4 2021 Added +1.2M +393.3% 1.5M Feb 11, 2022
Q3 2021 Reduced −959K −75.6% 310K Nov 12, 2021
Q2 2021 Added +106K +9.1% 1.3M Aug 13, 2021
Q1 2021 First covered 1.2M May 13, 2021
Data through Q1 2025 · filed May 14, 2025
14 grouped rows from 14 quarters

Who else owns STM

Van Eck Associates Corp

owns 1.3% of shares outstanding
Shares: 11.7M

Citadel Advisors LLC

View investor →
owns 0.8% of shares outstanding
Shares: 6.9M

Slate Path Capital LP

owns 0.7% of shares outstanding
Shares: 6.1M

Morgan Stanley

owns 0.6% of shares outstanding
Shares: 5.3M

See all owners of STM →

More Simons positions

Common questions

Does Jim Simons own STM?

Not currently. Jim Simons fully exited STM in Q1 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 STM?

Jim Simons held STM 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 Jim Simons sell STM?

Yes. Jim Simons reduced and then fully exited STM by Q1 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 STM does Jim Simons own?

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

What price did Jim Simons pay for STM?

Jim Simons began building the STM 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.