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Jim Simons's iRhythm Technologies, Inc. (IRTC) position

Yes: as of Q1 2026, Jim Simons holds 54K shares of IRTC 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
54K
% 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.

IRTC price vs Simons's position

Dates
$105$110$115$120← Earlier —6 purchases, 7 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 −50K −48.2% 54K May 14, 2026
Q4 2025 Reduced −18K −14.4% 104K Feb 12, 2026
Q3 2025 Reduced −20K −14.0% 121K Nov 13, 2025
Q2 2025 Added +119K +538.9% 141K Aug 13, 2025
Q1 2025 New +22K 22K May 14, 2025
Q3 2023 Reduced −11K −12.8% 73K Nov 14, 2023
Q2 2023 Added +74K +769.8% 84K Aug 11, 2023
Q1 2023 Reduced −92K −90.6% 10K May 12, 2023
Q4 2022 New +102K 102K Feb 13, 2023
Q2 2022 Reduced −2K −12.3% 16K Aug 12, 2022
Q1 2022 New +19K 19K May 13, 2022
Q3 2021 Reduced −94K −27.9% 242K Nov 12, 2021
Q2 2021 Added +193K +135.5% 336K Aug 13, 2021
Q1 2021 First covered 142K May 13, 2021
Data through Q1 2026 · filed May 14, 2026
14 grouped rows from 14 quarters

More Simons positions

Common questions

Does Jim Simons own IRTC?

Yes. As of Q1 2026, Jim Simons disclosed 54K shares of IRTC, 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 IRTC?

Jim Simons held IRTC 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 IRTC?

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

How many shares of IRTC does Jim Simons own?

Jim Simons disclosed 54K shares of IRTC 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 IRTC?

Jim Simons began building the IRTC 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.