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Disclosery

WITTENBERG INVESTMENT MANAGEMENT, INC.: NN position timeline

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

WITTENBERG INVESTMENT MANAGEMENT, INC. held 176,800 NN 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 176,800 shares
    Change vs previous 13F +48,500 shares

    1.08% of the 13F portfolio, value $3,152,344.

    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 128,300 shares
    Change vs previous 13F +7,244 shares

    0.76% of the 13F portfolio, value $2,055,366.

    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 121,056 shares
    Change vs previous 13F +96,056 shares

    0.77% of the 13F portfolio, value $2,014,372.

    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 25,000 shares
    Change vs previous 13F 0 shares

    0.14% of the 13F portfolio, value $357,500.

    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 25,000 shares
    Change vs previous 13F 0 shares

    0.17% of the 13F portfolio, value $380,000.

    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 25,000 shares
    Change vs previous 13F +25,000 shares

    0.14% of the 13F portfolio, value $304,250.

    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 0 shares
    Change vs previous 13F -48,901 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  8. period ended2024-09-30
    13F 48,901 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $366,268.

    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).