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Jim Simons's Tower Semiconductor Ltd. (TSEM) position

Yes: as of Q1 2026, Jim Simons holds 275K shares of TSEM worth an amount we cannot price (0.1% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
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Current value
an amount we cannot price
Shares held
275K
% of portfolio
0.1%
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.

TSEM price vs Simons's position

1Y 3Y 5Y MAX
Dates
← Earlier —8 purchases, 12 sells150200250300
Average closing price · filing quarter
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Price range · filing quarter
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Every quarterly change

Every quarterly change
Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Added· Q1 2026 +24K
Quarter Q1 2026 Δ Own +9.7% Shares held 275K Filing date May 14, 2026
Q1 2026 Added· Q1 2026 +24K – +9.7% 275K May 14, 2026
Reduced· Q4 2025 −52K
Quarter Q4 2025 Δ Own −17.3% Shares held 251K Filing date Feb 12, 2026
Q4 2025 Reduced· Q4 2025 −52K – −17.3% 251K Feb 12, 2026
Reduced· Q3 2025 −21K
Quarter Q3 2025 Δ Own −6.4% Shares held 303K Filing date Nov 13, 2025
Q3 2025 Reduced· Q3 2025 −21K – −6.4% 303K Nov 13, 2025
Reduced· Q2 2025 −107K
Quarter Q2 2025 Δ Own −24.9% Shares held 324K Filing date Aug 13, 2025
Q2 2025 Reduced· Q2 2025 −107K – −24.9% 324K Aug 13, 2025
Reduced· Q1 2025 −21K
Quarter Q1 2025 Δ Own −4.6% Shares held 431K Filing date May 14, 2025
Q1 2025 Reduced· Q1 2025 −21K – −4.6% 431K May 14, 2025
Added· Q4 2024 +52K
Quarter Q4 2024 Δ Own +13.0% Shares held 451K Filing date Feb 13, 2025
Q4 2024 Added· Q4 2024 +52K – +13.0% 451K Feb 13, 2025
Reduced· Q3 2024 −59K
Quarter Q3 2024 Δ Own −12.8% Shares held 399K Filing date Nov 13, 2024
Q3 2024 Reduced· Q3 2024 −59K – −12.8% 399K Nov 13, 2024
Reduced· Q2 2024 −126K
Quarter Q2 2024 Δ Own −21.5% Shares held 458K Filing date Aug 9, 2024
Q2 2024 Reduced· Q2 2024 −126K – −21.5% 458K Aug 9, 2024
Added· Q1 2024 +11K
Quarter Q1 2024 Δ Own +1.9% Shares held 584K Filing date May 13, 2024
Q1 2024 Added· Q1 2024 +11K – +1.9% 584K May 13, 2024
Reduced· Q4 2023 −398K
Quarter Q4 2023 Δ Own −41.0% Shares held 573K Filing date Feb 13, 2024
Q4 2023 Reduced· Q4 2023 −398K – −41.0% 573K Feb 13, 2024
Reduced· Q3 2023 −413K
Quarter Q3 2023 Δ Own −29.8% Shares held 971K Filing date Nov 14, 2023
Q3 2023 Reduced· Q3 2023 −413K – −29.8% 971K Nov 14, 2023
Added· Q2 2023 +30K
Quarter Q2 2023 Δ Own +2.2% Shares held 1.4M Filing date Aug 11, 2023
Q2 2023 Added· Q2 2023 +30K – +2.2% 1.4M Aug 11, 2023
Added· Q1 2023 +694K
Quarter Q1 2023 Δ Own +105.3% Shares held 1.4M Filing date May 12, 2023
Q1 2023 Added· Q1 2023 +694K – +105.3% 1.4M May 12, 2023
Added· Q4 2022 +480K
Quarter Q4 2022 Δ Own +266.6% Shares held 660K Filing date Feb 13, 2023
Q4 2022 Added· Q4 2022 +480K – +266.6% 660K Feb 13, 2023
Added· Q3 2022 +4K
Quarter Q3 2022 Δ Own +2.4% Shares held 180K Filing date Nov 14, 2022
Q3 2022 Added· Q3 2022 +4K – +2.4% 180K Nov 14, 2022
Data through Q1 2026 · filed May 14, 2026
15 of 21

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Common questions

Does Jim Simons own TSEM?

Yes. As of Q1 2026, Jim Simons disclosed 275K shares of TSEM, worth an amount we cannot price. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy TSEM?

Jim Simons held TSEM 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 TSEM?

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

How many shares of TSEM does Jim Simons own?

Jim Simons disclosed 275K shares of TSEM as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for TSEM?

Jim Simons began building the TSEM 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.