Skip to content
Disclosery

BLAIR WILLIAM & CO/IL: GBDC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on GBDC, newest first. How the timeline and the estimate are built.

BLAIR WILLIAM & CO/IL held 45,826 GBDC shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 45,826 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $590,241.

    13F-HR 0001104659-26-093821 filed by BLAIR WILLIAM & CO/IL
    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 45,826 shares
    Change vs previous 13F +2,000 shares

    <0.01% of the 13F portfolio, value $580,159.

    13F-HR 0001104659-26-057897 filed by BLAIR WILLIAM & CO/IL
    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 43,826 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $594,721.

    13F-HR 0001104659-26-015563 filed by BLAIR WILLIAM & CO/IL
    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 43,826 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $599,980.

    13F-HR 0001104659-25-109927 filed by BLAIR WILLIAM & CO/IL
    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 43,826 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $642,053.

    13F-HR 0001104659-25-070274 filed by BLAIR WILLIAM & CO/IL
    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 43,826 shares
    Change vs previous 13F +17,650 shares

    <0.01% of the 13F portfolio, value $663,528.

    13F-HR 0001104659-25-046545 filed by BLAIR WILLIAM & CO/IL
    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 26,176 shares
    Change vs previous 13F -838 shares

    <0.01% of the 13F portfolio, value $396,830.

    13F-HR 0001104659-25-011872 filed by BLAIR WILLIAM & CO/IL
    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 27,014 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $408,184.

    13F-HR 0001104659-24-116499 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

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