DOSSIER · 13F Holders · Q1 2026
OOSB
One One S&P 500 and Bitcoin ETF
2 institutions still hold One One S&P 500 and Bitcoin ETF as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 92864M863·2 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
2 institutions reported OOSB in Q1 2026. FLOW TRADERS U.S. LLC leads at 100.0% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.