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Schedule 13G/A

HSI Schedule 13G/A filing by Renaissance Technologies

Renaissance Technologies reported beneficial ownership of 0 shares, representing 0% of HEIDRICK & STRUGGLES INTL in this filing.

FiledFeb 12, 2026
Ownership dateDec 31, 2025
Reported shares0
Reported ownership0%
Ownership details

Voting and dispositive power reported in the filing

These figures describe the reporting filer’s disclosed voting and investment authority. They should be read together with the reported share count and percentage.

Sole voting power 0
Shared voting power 0
Sole dispositive power 0
Shared dispositive power 0
Source

Original filing and accession

Use the SEC filing as the primary source when you need the complete disclosure, footnotes, exhibits, or reporting-person details.

Reporting filer
Renaissance Technologies
CIK
CIK0001037389
Accession
0001037389-26-000013
Form
Schedule 13G/A
Open SEC filing View HSI ownership history
Read the filing in context

Understand what a Schedule 13 filing does—and does not—tell you.

How to read a Schedule 13G → Does a 13G mean the shares were just bought? → Filing date vs. ownership date →