DOSSIER · 13F Holders · Q1 2026Mega-capCrowded
GMMF
BLACKROCK ETF TRUST
11 institutions still hold BLACKROCK ETF TRUST as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 09290C749·11 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
11 institutions reported GMMF in Q1 2026. BlackRock, Inc. leads at 79.7% of the visible book. -6 net institutions QoQ — distribution reading.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.