DOSSIER · 13F Holders · Q4 2025Communication Services · Telephone Communications (No Radiotelephone)
TEF
TELEFONICA S A
36 institutions still hold TELEFONICA S A as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 879382208·Telephone Communications (No Radiotelephone)·36 13F holders·last filed Dec 31, 2025
AI Holders Summary · Q4 2025
36 institutions reported TEF in Q4 2025. CITADEL ADVISORS LLC leads at 20.4% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.
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