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MASON CAPITAL MANAGEMENT LLC: GRPN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MASON CAPITAL MANAGEMENT LLC on GRPN, newest first. How the timeline and the estimate are built.

MASON CAPITAL MANAGEMENT LLC held 657,144 GRPN shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 657,144 shares
    Change vs previous 13F not available

    2.61% of the 13F portfolio, value $15,810,885.

    13F-HR 0001104659-26-097052 filed by MASON CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec ยง4.2).