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Disclosery

GAMMA Investing LLC: COST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMMA Investing LLC on COST, newest first. How the timeline and the estimate are built.

GAMMA Investing LLC held 12,350 COST shares at 2026-09-30 per its 13F-HR filed 2026-10-08.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 12,350 shares
    Change vs previous 13F -413 shares

    0.38% of the 13F portfolio, value $11,242,699.

    13F-HR 0002010235-26-000007 filed by GAMMA Investing LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 12,763 shares
    Change vs previous 13F +952 shares

    0.44% of the 13F portfolio, value $11,939,594.

    13F-HR 0002010235-26-000005 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 11,811 shares
    Change vs previous 13F +2,366 shares

    0.55% of the 13F portfolio, value $11,768,835.

    13F-HR 0002010235-26-000003 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 9,445 shares
    Change vs previous 13F -321 shares

    0.41% of the 13F portfolio, value $8,144,801.

    13F-HR 0002010235-26-000001 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 9,766 shares
    Change vs previous 13F +48 shares

    0.5% of the 13F portfolio, value $9,039,242.

    13F-HR 0002010235-25-000009 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 9,718 shares
    Change vs previous 13F +1,090 shares

    0.61% of the 13F portfolio, value $9,620,237.

    13F-HR 0002010235-25-000007 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F/A 8,628 shares
    Change vs previous 13F +966 shares

    0.61% of the 13F portfolio, value $8,160,190.

    13F-HR/A 0002010235-25-000006 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 7,662 shares
    Change vs previous 13F not available

    0.6% of the 13F portfolio, value $7,020,461.

    13F-HR 0002010235-25-000001 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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