DOSSIER · 13F Holders · Q1 2026Mega-capCrowded
SPLB
SPDR SERIES TRUST
190 institutions still hold SPDR SERIES TRUST as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 78464A367·190 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
190 institutions reported SPLB in Q1 2026. STATE STREET CORP leads at 23.6% of the visible book. +97 net new institutions vs prior quarter — accumulation reading.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.
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