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MATTERN CAPITAL MANAGEMENT, LLC: O position timeline

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

MATTERN CAPITAL MANAGEMENT, LLC held 20,005 O 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 20,005 shares
    Change vs previous 13F -71,831 shares

    0.14% of the 13F portfolio, value $1,239,510.

    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 91,836 shares
    Change vs previous 13F -47,542 shares

    0.67% of the 13F portfolio, value $5,618,526.

    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 139,378 shares
    Change vs previous 13F +4,619 shares

    0.93% of the 13F portfolio, value $7,856,738.

    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 134,759 shares
    Change vs previous 13F -864 shares

    0.96% of the 13F portfolio, value $8,192,000.

    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 135,623 shares
    Change vs previous 13F +1,900 shares

    0.94% of the 13F portfolio, value $7,813,241.

    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 133,723 shares
    Change vs previous 13F +1,788 shares

    0.99% of the 13F portfolio, value $7,757,271.

    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).

  7. period ended2024-12-31
    13F 131,935 shares
    Change vs previous 13F +1,847 shares

    0.92% of the 13F portfolio, value $7,046,648.

    13F-HR 0001725547-25-000291 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).

  8. period ended2024-09-30
    13F 130,088 shares
    Change vs previous 13F not available

    1.04% of the 13F portfolio, value $8,250,181.

    13F-HR 0001725547-24-005983 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).