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Disclosery

GAMMA Investing LLC: BLK position timeline

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

GAMMA Investing LLC held 5,663 BLK 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 5,663 shares
    Change vs previous 13F +282 shares

    0.2% of the 13F portfolio, value $5,993,102.

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

  2. period ended2026-06-30
    13F 5,381 shares
    Change vs previous 13F +535 shares

    0.19% of the 13F portfolio, value $5,174,154.

    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 4,846 shares
    Change vs previous 13F +255 shares

    0.22% of the 13F portfolio, value $4,660,447.

    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 4,591 shares
    Change vs previous 13F -23 shares

    0.25% of the 13F portfolio, value $4,913,931.

    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 4,614 shares
    Change vs previous 13F +252 shares

    0.3% of the 13F portfolio, value $5,379,324.

    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 4,362 shares
    Change vs previous 13F +664 shares

    0.29% of the 13F portfolio, value $4,576,828.

    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 3,698 shares
    Change vs previous 13F +355 shares

    0.26% of the 13F portfolio, value $3,500,083.

    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 3,343 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $3,426,943.

    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).