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Jim Simons's Greenwich LifeSciences, Inc. (GLSI) position

Not anymore: Jim Simons fully exited GLSI in Q4 2025. The position peaked at an amount we cannot price in Q4 2021.
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Value at exit
an amount we cannot price
Shares at exit
38K
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.

GLSI price vs Simons's position

Dates
$12$14$16$18← Earlier —7 purchases, 8 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
Q4 2025 Exited −38K −100.0% 0 Feb 12, 2026
Q3 2025 Added +11K +40.7% 38K Nov 13, 2025
Q2 2025 Added +15K +118.4% 27K Aug 13, 2025
Q1 2025 Reduced −10K −44.9% 12K May 14, 2025
Q4 2024 Reduced −10K −30.2% 23K Feb 13, 2025
Q3 2024 Reduced −4K −11.9% 32K Nov 13, 2024
Q2 2024 Reduced −600 −1.6% 37K Aug 9, 2024
Q1 2024 Added +900 +2.5% 38K May 13, 2024
Q4 2023 Reduced −18K −32.6% 37K Feb 13, 2024
Q3 2023 Reduced −25K −31.4% 54K Nov 14, 2023
Q2 2023 Added +28K +55.9% 79K Aug 11, 2023
Q1 2023 Added +18K +52.6% 51K May 12, 2023
Q4 2022 Reduced −23K −41.3% 33K Feb 13, 2023
Q3 2022 Reduced −48K −46.1% 57K Nov 14, 2022
Q2 2022 New +105K 105K Aug 12, 2022
Q4 2021 New +30K 30K Feb 11, 2022
Data through Q4 2025 · filed Feb 12, 2026
16 grouped rows from 16 quarters

More Simons positions

Common questions

Does Jim Simons own GLSI?

Not currently. Jim Simons fully exited GLSI 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 GLSI?

Jim Simons first disclosed a GLSI position in Q4 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 GLSI?

Yes. Jim Simons reduced and then fully exited GLSI 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 GLSI does Jim Simons own?

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

What price did Jim Simons pay for GLSI?

Jim Simons began building the GLSI 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.