DOSSIER · 13F Holders · Q1 2026
MARS
ROUNDHILL SPACE & TECHNOLOGY ETF
5 institutions still hold ROUNDHILL SPACE & TECHNOLOGY ETF as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 77926X338·5 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
5 institutions reported MARS in Q1 2026. GTS SECURITIES LLC leads at 71.6% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.