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Jim Simons's Quanterix Corporation (QTRX) position

Yes: as of Q1 2026, Jim Simons holds 136K shares of QTRX worth an amount we cannot price (0.0% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
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Current value
an amount we cannot price
Shares held
136K
% 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.

QTRX price vs Simons's position

Dates
$3.85$3.9$3.95$4← Earlier —10 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 +124K +1,054.3% 136K May 14, 2026
Q4 2025 New +12K 12K Feb 12, 2026
Q2 2025 Reduced −100K −49.1% 103K Aug 13, 2025
Q1 2025 Added +144K +243.4% 203K May 14, 2025
Q4 2024 Reduced −73K −55.3% 59K Feb 13, 2025
Q3 2024 Reduced −252K −65.7% 132K Nov 13, 2024
Q2 2024 Reduced −41K −9.6% 385K Aug 9, 2024
Q1 2024 Reduced −49K −10.4% 425K May 13, 2024
Q4 2023 Added +155K +48.4% 475K Feb 13, 2024
Q3 2023 Added +98K +44.4% 320K Nov 14, 2023
Q2 2023 Reduced −6K −2.6% 221K Aug 11, 2023
Q1 2023 Added +123K +117.8% 227K May 12, 2023
Q4 2022 Added +4K +4.0% 104K Feb 13, 2023
Q3 2022 Added +49K +93.8% 100K Nov 14, 2022
Q2 2022 Reduced −148K −74.0% 52K Aug 12, 2022
Q1 2022 Added +32K +18.9% 200K May 13, 2022
Q4 2021 Reduced −7K −4.1% 168K Feb 11, 2022
Q3 2021 Added +89K +104.4% 175K Nov 12, 2021
Q2 2021 Reduced −37K −30.0% 86K Aug 13, 2021
Q1 2021 First covered 122K May 13, 2021
Data through Q1 2026 · filed May 14, 2026
20 grouped rows from 20 quarters

More Simons positions

Common questions

Does Jim Simons own QTRX?

Yes. As of Q1 2026, Jim Simons disclosed 136K shares of QTRX, 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 QTRX?

Jim Simons held QTRX since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jim Simons sell QTRX?

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

How many shares of QTRX does Jim Simons own?

Jim Simons disclosed 136K shares of QTRX 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 QTRX?

Jim Simons began building the QTRX 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.