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GRITSTONE ASSET MANAGEMENT LLC: ARCC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GRITSTONE ASSET MANAGEMENT LLC on ARCC, newest first. How the timeline and the estimate are built.

GRITSTONE ASSET MANAGEMENT LLC held 447,088 ARCC shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 447,088 shares
    Change vs previous 13F +447,088 shares

    7.97% of the 13F portfolio, value $8,284,543.

    13F-HR 0001705819-26-000051 filed by GRITSTONE ASSET MANAGEMENT LLC
    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 0 shares
    Change vs previous 13F -446,855 shares

    13F-HR 0001705819-26-000034 filed by GRITSTONE ASSET MANAGEMENT LLC
    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.

  3. period ended2025-12-31
    13F 446,855 shares
    Change vs previous 13F +101 shares

    8.63% of the 13F portfolio, value $9,039,875.

    13F-HR 0001705819-26-000012 filed by GRITSTONE ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 446,754 shares
    Change vs previous 13F +99 shares

    9.38% of the 13F portfolio, value $9,118,243.

    13F-HR 0001705819-25-000075 filed by GRITSTONE ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 446,655 shares
    Change vs previous 13F +89 shares

    9.71% of the 13F portfolio, value $9,808,545.

    13F-HR 0001705819-25-000051 filed by GRITSTONE ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 446,566 shares
    Change vs previous 13F +87 shares

    10.39% of the 13F portfolio, value $9,895,902.

    13F-HR 0001705819-25-000039 filed by GRITSTONE ASSET MANAGEMENT LLC
    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 446,479 shares
    Change vs previous 13F not available

    10.35% of the 13F portfolio, value $9,773,424.

    13F-HR 0001705819-25-000038 filed by GRITSTONE ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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