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Ken Griffin's Heidrick & Struggles International, Inc. (HSII) position

Not anymore: Ken Griffin fully exited HSII in Q4 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
41K
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.

HSII price vs Griffin's position

Dates
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
Q4 2025 Exited −41K −100.0% 0 Feb 17, 2026
Q3 2025 Reduced −52K −56.1% 41K Nov 14, 2025
Q2 2025 Added +41K +81.0% 93K Aug 14, 2025
Q1 2025 Added +4K +9.0% 51K May 15, 2025
Q4 2024 Added +23K +96.9% 47K Feb 14, 2025
Q3 2024 Reduced −98K −80.4% 24K Nov 14, 2024
Q2 2024 Reduced −127K −51.0% 122K Aug 14, 2024
Q1 2024 Added +12K +4.9% 248K May 15, 2024
Q4 2023 Added +67K +39.9% 237K Feb 14, 2024
Q3 2023 Reduced −34K −16.9% 169K Nov 14, 2023
Q2 2023 Added +136K +199.4% 204K Aug 14, 2023
Q1 2023 Added +28K +68.7% 68K May 15, 2023
Q4 2022 Reduced −125K −75.6% 40K Feb 14, 2023
Q3 2022 Added +95K +133.2% 165K Nov 14, 2022
Q2 2022 New +71K 71K Aug 15, 2022
Q4 2021 Reduced −53K −74.5% 18K Feb 14, 2022
Q3 2021 Reduced −58K −44.8% 71K Nov 15, 2021
Q2 2021 Added +10K +8.7% 129K Aug 16, 2021
Q1 2021 First covered 119K May 21, 2021
Data through Q4 2025 · filed Feb 17, 2026
19 grouped rows from 19 quarters

More Griffin positions

Common questions

Does Ken Griffin own HSII?

Not currently. Ken Griffin fully exited HSII in Q4 2025, and the complete history is above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy HSII?

Ken Griffin held HSII 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 Ken Griffin sell HSII?

Yes. Ken Griffin reduced and then fully exited HSII by Q4 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 HSII does Ken Griffin own?

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

What price did Ken Griffin pay for HSII?

Ken Griffin began building the HSII 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.