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Jim Simons's STAAR Surgical Company (STAA) position

Yes: as of Q1 2026, Jim Simons holds 135K shares of STAA worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was increased by 257.7%. First disclosed Q3 2021.
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Current value
an amount we cannot price
Shares held
135K
% 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.

STAA price vs Simons's position

Dates
$22$24$26$28← Earlier —9 purchases, 9 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 +97K +257.7% 135K May 14, 2026
Q4 2025 New +38K 38K Feb 12, 2026
Q2 2025 Reduced −34K −51.2% 32K Aug 13, 2025
Q1 2025 Reduced −73K −52.6% 65K May 14, 2025
Q4 2024 Reduced −166K −54.6% 138K Feb 13, 2025
Q3 2024 Added +236K +344.3% 304K Nov 13, 2024
Q2 2024 Added +40K +137.5% 68K Aug 9, 2024
Q1 2024 Reduced −126K −81.3% 29K May 13, 2024
Q4 2023 Reduced −12K −7.3% 154K Feb 13, 2024
Q3 2023 Reduced −128K −43.6% 166K Nov 14, 2023
Q2 2023 Reduced −2K −0.6% 295K Aug 11, 2023
Q1 2023 Added +277K +1,398.5% 297K May 12, 2023
Q4 2022 Reduced −28K −58.3% 20K Feb 13, 2023
Q3 2022 Added +33K +227.6% 48K Nov 14, 2022
Q2 2022 Reduced −126K −89.6% 14K Aug 12, 2022
Q1 2022 Added +57K +69.1% 140K May 13, 2022
Q4 2021 Added +80K +2,966.7% 83K Feb 11, 2022
Q3 2021 New +3K 3K Nov 12, 2021
Data through Q1 2026 · filed May 14, 2026
18 grouped rows from 18 quarters

More Simons positions

Common questions

Does Jim Simons own STAA?

Yes. As of Q1 2026, Jim Simons disclosed 135K shares of STAA, 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 STAA?

Jim Simons first disclosed a STAA position in Q3 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 STAA?

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

How many shares of STAA does Jim Simons own?

Jim Simons disclosed 135K shares of STAA 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 STAA?

Jim Simons began building the STAA 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.