DOSSIER · 13F Holders · Q3 2026
MADISON SQUARE GRDN SPRT COR
4 institutions still hold MADISON SQUARE GRDN SPRT COR as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 55825T953·4 13F holders·last filed Sep 30, 2026
AI Holders Summary · Q3 2026
4 institutions reported MADISON SQUARE GRDN SPRT COR in Q3 2026. IMC-Chicago, LLC leads at 93.2% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.