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TANDEM CAPITAL MANAGEMENT CORP /ADV: GEV position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TANDEM CAPITAL MANAGEMENT CORP /ADV on GEV, newest first. How the timeline and the estimate are built.

TANDEM CAPITAL MANAGEMENT CORP /ADV held 8,931 GEV shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 8,931 shares
    Change vs previous 13F -167 shares

    4.41% of the 13F portfolio, value $10,492,675.

    13F-HR 0000873759-26-000003 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    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 9,098 shares
    Change vs previous 13F -256 shares

    3.98% of the 13F portfolio, value $7,941,644.

    13F-HR 0000873759-26-000002 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    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 9,354 shares
    Change vs previous 13F -429 shares

    2.78% of the 13F portfolio, value $6,113,494.

    13F-HR 0000873759-26-000001 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    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 9,783 shares
    Change vs previous 13F -897 shares

    2.8% of the 13F portfolio, value $6,015,567.

    13F-HR 0000873759-25-000006 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    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 10,680 shares
    Change vs previous 13F -555 shares

    2.86% of the 13F portfolio, value $5,651,322.

    13F-HR 0000873759-25-000004 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    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 11,235 shares
    Change vs previous 13F -250 shares

    1.92% of the 13F portfolio, value $3,429,821.

    13F-HR 0000873759-25-000002 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    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 11,485 shares
    Change vs previous 13F -246 shares

    2.02% of the 13F portfolio, value $3,777,761.

    13F-HR 0000873759-25-000001 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    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/A 11,731 shares
    Change vs previous 13F not available

    1.58% of the 13F portfolio, value $2,991,170.

    13F-HR/A 0000873759-24-000007 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    Filed (acceptance time not in the bulk data set), ingested

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