DOSSIER · 13F Holders · Q1 2026Healthcare · Pharmaceutical PreparationsMega-capCrowded
SUPN
SUPERNUS PHARMACEUTICALS INC
344 institutions still hold SUPERNUS PHARMACEUTICALS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 868459108·Pharmaceutical Preparations·344 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
344 institutions reported SUPN in Q1 2026. BlackRock, Inc. leads at 22.4% of the visible book. -78 net institutions QoQ — distribution reading.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.
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