Save your place

Sign in to WhoBought

Please try again later.

Jim Simons's NeuroPace, Inc. (NPCE) position

Yes: as of Q1 2026, Jim Simons holds 174K shares of NPCE worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was reduced by 21.6%. First disclosed Q2 2022.
View full portfolio →
Current value
an amount we cannot price
Shares held
174K
% 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.

NPCE price vs Simons's position

Dates
$14.5$15$15.5$16$16.5← Earlier —11 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 Reduced −48K −21.6% 174K May 14, 2026
Q4 2025 Added +93K +72.2% 222K Feb 12, 2026
Q3 2025 Reduced −17 0.0% 129K Nov 13, 2025
Q2 2025 Reduced −27K −17.1% 129K Aug 13, 2025
Q1 2025 Added +70K +80.5% 156K May 14, 2025
Q4 2024 Reduced −700 −0.8% 86K Feb 13, 2025
Q3 2024 Added +6K +7.1% 87K Nov 13, 2024
Q2 2024 Reduced −39K −32.3% 81K Aug 9, 2024
Q1 2024 Added +12K +10.8% 120K May 13, 2024
Q4 2023 Added +64K +144.6% 108K Feb 13, 2024
Q3 2023 Added +27K +156.0% 44K Nov 14, 2023
Q2 2023 Added +3K +19.3% 17K Aug 11, 2023
Q1 2023 Added +1K +8.2% 14K May 12, 2023
Q4 2022 Added +200 +1.5% 13K Feb 13, 2023
Q3 2022 Added +500 +3.9% 13K Nov 14, 2022
Q2 2022 New +13K 13K Aug 12, 2022
Data through Q1 2026 · filed May 14, 2026
16 grouped rows from 16 quarters

More Simons positions

Common questions

Does Jim Simons own NPCE?

Yes. As of Q1 2026, Jim Simons disclosed 174K shares of NPCE, 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 NPCE?

Jim Simons first disclosed a NPCE position in Q2 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 NPCE?

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

How many shares of NPCE does Jim Simons own?

Jim Simons disclosed 174K shares of NPCE 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 NPCE?

Jim Simons began building the NPCE 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.