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TANAKA CAPITAL MANAGEMENT INC: CORT position timeline

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

TANAKA CAPITAL MANAGEMENT INC held 110,854 CORT shares at 2026-03-31 per its 13F-HR filed 2026-05-18.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 110,854 shares
    Change vs previous 13F -230 shares

    7.46% of the 13F portfolio, value $4,469,000.

    13F-HR 0000816788-26-000002 filed by TANAKA CAPITAL 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 ended2025-12-31
    13F 111,084 shares
    Change vs previous 13F -125 shares

    7.05% of the 13F portfolio, value $3,866,000.

    13F-HR 0000816788-26-000001 filed by TANAKA CAPITAL 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 ended2025-09-30
    13F 111,209 shares
    Change vs previous 13F +18,025 shares

    16.64% of the 13F portfolio, value $9,243,000.

    13F-HR 0000816788-25-000005 filed by TANAKA CAPITAL 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 ended2025-03-31
    13F 93,184 shares
    Change vs previous 13F -18,367 shares

    25.34% of the 13F portfolio, value $10,643,000.

    13F-HR 0000816788-25-000002 filed by TANAKA CAPITAL 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 ended2024-12-31
    13F 111,551 shares
    Change vs previous 13F -585 shares

    12.85% of the 13F portfolio, value $5,621,000.

    13F-HR 0000816788-25-000001 filed by TANAKA CAPITAL 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 ended2024-09-30
    13F 112,136 shares
    Change vs previous 13F +11,860 shares

    12% of the 13F portfolio, value $5,190,000.

    13F-HR 0000816788-24-000004 filed by TANAKA CAPITAL 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 ended2024-06-30
    13F 100,276 shares
    Change vs previous 13F not available

    7.71% of the 13F portfolio, value $3,258,000.

    13F-HR 0000816788-24-000003 filed by TANAKA CAPITAL MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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