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Jim Simons's Solid Biosciences Inc. (SLDB) position

Not anymore: Jim Simons fully exited SLDB in Q4 2022. The position peaked at an amount we cannot price in Q2 2021.
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Value at exit
an amount we cannot price
Shares at exit
1.0M
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.

SLDB price vs Simons's position

Dates
$8.4$8.6$8.8← Earlier —5 purchases, 1 sell
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 2022 Exited −1.0M −100.0% 0 Feb 13, 2023
Q3 2022 Reduced −407K −28.7% 1.0M Nov 14, 2022
Q2 2022 Added +150K +11.9% 1.4M Aug 12, 2022
Q1 2022 Added +661K +108.7% 1.3M May 13, 2022
Q4 2021 Added +206K +51.3% 608K Feb 11, 2022
Q3 2021 Added +17K +4.4% 402K Nov 12, 2021
Q2 2021 New +385K 385K Aug 13, 2021
Data through Q4 2022 · filed Feb 13, 2023
7 grouped rows from 7 quarters

More Simons positions

Common questions

Does Jim Simons own SLDB?

Not currently. Jim Simons fully exited SLDB in Q4 2022, 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 SLDB?

Jim Simons first disclosed a SLDB 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 SLDB?

Yes. Jim Simons reduced and then fully exited SLDB by Q4 2022; 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 SLDB does Jim Simons own?

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

What price did Jim Simons pay for SLDB?

Jim Simons began building the SLDB 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.