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Jim Simons's Pliant Therapeutics, Inc. (PLRX) position

Yes: as of Q1 2026, Jim Simons holds 1.9M shares of PLRX worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was increased by 77.2%. First disclosed Q3 2021.
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Current value
an amount we cannot price
Shares held
1.9M
% 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.

PLRX price vs Simons's position

Dates
$1.05$1.1$1.15← 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 Added +807K +77.2% 1.9M May 14, 2026
Q4 2025 Added +34K +3.4% 1.0M Feb 12, 2026
Q3 2025 Added +812K +406.0% 1.0M Nov 13, 2025
Q2 2025 Added +47K +31.1% 200K Aug 13, 2025
Q1 2025 Added +125K +448.6% 152K May 14, 2025
Q4 2024 Reduced −73K −72.5% 28K Feb 13, 2025
Q3 2024 Reduced −152K −60.1% 101K Nov 13, 2024
Q2 2024 Added +177K +233.8% 253K Aug 9, 2024
Q1 2024 New +76K 76K May 13, 2024
Q1 2023 Added +117K +564.4% 138K May 12, 2023
Q4 2022 Reduced −74K −77.9% 21K Feb 13, 2023
Q3 2022 Reduced −11K −10.3% 94K Nov 14, 2022
Q2 2022 Reduced −500 −0.5% 105K Aug 12, 2022
Q1 2022 Added +75K +248.4% 106K May 13, 2022
Q4 2021 Added +307 +1.0% 30K Feb 11, 2022
Q3 2021 New +30K 30K Nov 12, 2021
Data through Q1 2026 · filed May 14, 2026
16 grouped rows from 16 quarters

More Simons positions

Common questions

Does Jim Simons own PLRX?

Yes. As of Q1 2026, Jim Simons disclosed 1.9M shares of PLRX, 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 PLRX?

Jim Simons first disclosed a PLRX 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 PLRX?

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

How many shares of PLRX does Jim Simons own?

Jim Simons disclosed 1.9M shares of PLRX 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 PLRX?

Jim Simons began building the PLRX 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.