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Jim Simons's Nkarta, Inc. (NKTX) position

Yes: as of Q1 2026, Jim Simons holds 1.7M shares of NKTX worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was increased by 1.8%. First disclosed Q3 2021.
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Current value
an amount we cannot price
Shares held
1.7M
% 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.

NKTX price vs Simons's position

Dates
$2.2$2.4$2.6← Earlier —15 purchases, 4 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 +30K +1.8% 1.7M May 14, 2026
Q4 2025 Added +557K +48.6% 1.7M Feb 12, 2026
Q3 2025 Added +449K +64.4% 1.1M Nov 13, 2025
Q2 2025 Reduced −115K −14.2% 696K Aug 13, 2025
Q1 2025 Added +54K +7.2% 812K May 14, 2025
Q4 2024 Reduced −127K −14.4% 757K Feb 13, 2025
Q3 2024 Reduced −29K −3.1% 884K Nov 13, 2024
Q2 2024 Added +98K +12.0% 913K Aug 9, 2024
Q1 2024 Added +157K +23.9% 815K May 13, 2024
Q4 2023 Added +145K +28.3% 658K Feb 13, 2024
Q3 2023 Added +189K +58.2% 513K Nov 14, 2023
Q2 2023 Added +81K +33.2% 324K Aug 11, 2023
Q1 2023 Added +10K +4.1% 243K May 12, 2023
Q4 2022 Added +16K +7.2% 234K Feb 13, 2023
Q3 2022 Reduced −188K −46.3% 218K Nov 14, 2022
Q2 2022 Added +172K +73.3% 406K Aug 12, 2022
Q1 2022 Added +96K +69.7% 234K May 13, 2022
Q4 2021 Added +107K +350.7% 138K Feb 11, 2022
Q3 2021 New +31K 31K Nov 12, 2021
Data through Q1 2026 · filed May 14, 2026
19 grouped rows from 19 quarters

More Simons positions

Common questions

Does Jim Simons own NKTX?

Yes. As of Q1 2026, Jim Simons disclosed 1.7M shares of NKTX, 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 NKTX?

Jim Simons first disclosed a NKTX 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 NKTX?

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

How many shares of NKTX does Jim Simons own?

Jim Simons disclosed 1.7M shares of NKTX 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 NKTX?

Jim Simons began building the NKTX 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.