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MATTERN CAPITAL MANAGEMENT, LLC: ROP position timeline

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

MATTERN CAPITAL MANAGEMENT, LLC held 29,027 ROP shares at 2026-06-30 per its 13F-HR filed 2026-07-24.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 29,027 shares
    Change vs previous 13F -27 shares

    1.15% of the 13F portfolio, value $9,822,447.

    13F-HR 0001725547-26-000252 filed by MATTERN CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 29,054 shares
    Change vs previous 13F +10,538 shares

    1.23% of the 13F portfolio, value $10,281,048.

    13F-HR 0001725547-26-000166 filed by MATTERN CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 18,516 shares
    Change vs previous 13F +4,966 shares

    0.97% of the 13F portfolio, value $8,242,027.

    13F-HR 0001725547-26-000059 filed by MATTERN CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 13,550 shares
    Change vs previous 13F +3,749 shares

    0.79% of the 13F portfolio, value $6,757,250.

    13F-HR 0001725547-25-004185 filed by MATTERN CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 9,801 shares
    Change vs previous 13F +2,453 shares

    0.67% of the 13F portfolio, value $5,555,599.

    13F-HR 0001725547-25-003493 filed by MATTERN CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 7,348 shares
    Change vs previous 13F not available

    0.55% of the 13F portfolio, value $4,332,234.

    13F-HR 0001725547-25-001447 filed by MATTERN CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).