Reporting Manager
Renaissance Technologies LLC
Symbol
FONR
Shares outstanding
6.2M shares
Disclosed Ownership
316K shares
Ownership
5.09%
Form type
SCHEDULE 13G
Date filed
8/13/2025, 04:08 PM
Date of event
May 19, 2025
Previous filing
May 14, 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Renaissance Technologies LLC 5.09% 316K 316K 0 Brian Felczak Chief Financial Officer
Renaissance Technologies Holdings Corporation 5.09% 316K 316K 0 Brian Felczak Vice President