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Jim Simons's Taysha Gene Therapies, Inc. (TSHA) position

Yes: as of Q1 2026, Jim Simons holds 413K shares of TSHA worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was increased by 141.5%. First disclosed Q1 2022.
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Current value
an amount we cannot price
Shares held
413K
% of portfolio
0.0%
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.

TSHA price vs Simons's position

Dates
$5$5.5$6$6.5← Earlier —9 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 2026 Added +242K +141.5% 413K May 14, 2026
Q4 2025 New +171K 171K Feb 12, 2026
Q2 2025 New +55K 55K Aug 13, 2025
Q4 2024 New +878K 878K Feb 13, 2025
Q2 2024 Reduced −287K −87.5% 41K Aug 9, 2024
Q1 2024 Reduced −769K −70.1% 328K May 13, 2024
Q4 2023 Added +499K +83.5% 1.1M Feb 13, 2024
Q3 2023 Added +374K +166.5% 598K Nov 14, 2023
Q2 2023 Reduced −25K −10.1% 224K Aug 11, 2023
Q1 2023 Reduced −270K −52.0% 250K May 12, 2023
Q4 2022 Added +101K +24.2% 520K Feb 13, 2023
Q3 2022 Reduced −105K −20.1% 418K Nov 14, 2022
Q2 2022 Added +273K +109.0% 524K Aug 12, 2022
Q1 2022 New +250K 250K May 13, 2022
Data through Q1 2026 · filed May 14, 2026
14 grouped rows from 14 quarters

More Simons positions

Common questions

Does Jim Simons own TSHA?

Yes. As of Q1 2026, Jim Simons disclosed 413K shares of TSHA, 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 TSHA?

Jim Simons first disclosed a TSHA position in Q1 2022; 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 TSHA?

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

How many shares of TSHA does Jim Simons own?

Jim Simons disclosed 413K shares of TSHA 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 TSHA?

Jim Simons began building the TSHA 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.