DOSSIER · 13F Holders · —
OPEN MARKET INC
0 institutions still hold OPEN MARKET INC as of —. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 68370M9EB·0 13F holders
AI Holders Summary · —
0 institutions reported OPEN MARKET INC in —. Top-holder concentration data is loading.
No institutional holders on file yet.