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Jim Simons's ICON Public Limited Company (ICLR) position

Not anymore: Jim Simons fully exited ICLR in Q3 2025. The position peaked at an amount we cannot price in Q1 2021.
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Value at exit
an amount we cannot price
Shares at exit
325K
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.

ICLR price vs Simons's position

Dates
$164$166$168$170$172← Earlier —3 purchases, 14 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
Q3 2025 Exited −325K −100.0% 0 Nov 13, 2025
Q2 2025 Added +146K +81.5% 325K Aug 13, 2025
Q1 2025 Added +53K +42.2% 179K May 14, 2025
Q4 2024 Reduced −86K −40.7% 126K Feb 13, 2025
Q3 2024 Reduced −14K −6.2% 212K Nov 13, 2024
Q2 2024 Reduced −45K −16.6% 226K Aug 9, 2024
Q1 2024 Reduced −96K −26.1% 271K May 13, 2024
Q4 2023 Reduced −138K −27.4% 367K Feb 13, 2024
Q3 2023 Reduced −184K −26.7% 505K Nov 14, 2023
Q2 2023 Reduced −195K −22.1% 689K Aug 11, 2023
Q1 2023 Reduced −223K −20.1% 885K May 12, 2023
Q4 2022 Added +121K +12.2% 1.1M Feb 13, 2023
Q3 2022 Reduced −163K −14.2% 987K Nov 14, 2022
Q2 2022 Reduced −127K −9.9% 1.1M Aug 12, 2022
Q1 2022 Reduced −141K −9.9% 1.3M May 13, 2022
Q4 2021 Reduced −137K −8.8% 1.4M Feb 11, 2022
Q3 2021 Reduced −434K −21.8% 1.6M Nov 12, 2021
Q2 2021 Reduced −81K −3.9% 2.0M Aug 13, 2021
Q1 2021 First covered 2.1M May 13, 2021
Data through Q3 2025 · filed Nov 13, 2025
19 grouped rows from 19 quarters

More Simons positions

Common questions

Does Jim Simons own ICLR?

Not currently. Jim Simons fully exited ICLR in Q3 2025, and the complete history is above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy ICLR?

Jim Simons held ICLR 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 ICLR?

Yes. Jim Simons reduced and then fully exited ICLR by Q3 2025; the reductions are in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of ICLR does Jim Simons own?

None as of the latest filing: Jim Simons has exited ICLR. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for ICLR?

Jim Simons began building the ICLR 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.