Skip to content
Disclosery

WITTENBERG INVESTMENT MANAGEMENT, INC.: CTGO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WITTENBERG INVESTMENT MANAGEMENT, INC. on CTGO, newest first. How the timeline and the estimate are built.

WITTENBERG INVESTMENT MANAGEMENT, INC. held 62,680 CTGO shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 62,680 shares
    Change vs previous 13F +9,900 shares

    0.34% of the 13F portfolio, value $989,717.

    13F-HR 0001062993-26-004208 filed by WITTENBERG INVESTMENT MANAGEMENT, INC.
    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 52,780 shares
    Change vs previous 13F +15,400 shares

    0.37% of the 13F portfolio, value $989,625.

    13F-HR 0001062993-26-002625 filed by WITTENBERG INVESTMENT MANAGEMENT, INC.
    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 37,380 shares
    Change vs previous 13F 0 shares

    0.38% of the 13F portfolio, value $987,206.

    13F-HR 0001062993-26-000921 filed by WITTENBERG INVESTMENT MANAGEMENT, INC.
    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 37,380 shares
    Change vs previous 13F 0 shares

    0.37% of the 13F portfolio, value $931,883.

    13F-HR 0001062993-25-016732 filed by WITTENBERG INVESTMENT MANAGEMENT, INC.
    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 37,380 shares
    Change vs previous 13F -10,090 shares

    0.32% of the 13F portfolio, value $728,162.

    13F-HR 0001062993-25-014036 filed by WITTENBERG INVESTMENT MANAGEMENT, INC.
    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 47,470 shares
    Change vs previous 13F +11,100 shares

    0.22% of the 13F portfolio, value $484,669.

    13F-HR 0001062993-25-009041 filed by WITTENBERG INVESTMENT MANAGEMENT, INC.
    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 36,370 shares
    Change vs previous 13F +4,600 shares

    0.14% of the 13F portfolio, value $364,427.

    13F-HR 0001062993-25-002229 filed by WITTENBERG INVESTMENT MANAGEMENT, INC.
    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 31,770 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $611,890.

    13F-HR 0001062993-24-018951 filed by WITTENBERG INVESTMENT MANAGEMENT, INC.
    Filed (acceptance time not in the bulk data set), ingested

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