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MATTERN CAPITAL MANAGEMENT, LLC: WEC position timeline

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

MATTERN CAPITAL MANAGEMENT, LLC held 103,889 WEC 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 103,889 shares
    Change vs previous 13F -6,059 shares

    1.42% of the 13F portfolio, value $12,131,119.

    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 109,948 shares
    Change vs previous 13F +24,812 shares

    1.52% of the 13F portfolio, value $12,728,680.

    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 85,136 shares
    Change vs previous 13F +1,150 shares

    1.06% of the 13F portfolio, value $8,978,443.

    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 83,986 shares
    Change vs previous 13F -767 shares

    1.13% of the 13F portfolio, value $9,623,956.

    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 84,753 shares
    Change vs previous 13F +775 shares

    1.06% of the 13F portfolio, value $8,831,263.

    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 83,978 shares
    Change vs previous 13F -4,452 shares

    1.17% of the 13F portfolio, value $9,151,922.

    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 88,430 shares
    Change vs previous 13F -3,350 shares

    1.08% of the 13F portfolio, value $8,315,957.

    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 91,780 shares
    Change vs previous 13F not available

    1.11% of the 13F portfolio, value $8,827,400.

    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).