Skip to content
Disclosery

Granahan Investment Management, LLC: BWXT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Granahan Investment Management, LLC on BWXT, newest first. How the timeline and the estimate are built.

Granahan Investment Management, LLC held 18,976 BWXT shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 18,976 shares
    Change vs previous 13F +4,272 shares

    0.13% of the 13F portfolio, value $3,693,678.

    13F-HR 0001398344-26-014483 filed by Granahan Investment 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 14,704 shares
    Change vs previous 13F -2,651 shares

    0.15% of the 13F portfolio, value $3,006,821.

    13F-HR 0001398344-26-009220 filed by Granahan Investment Management, LLC
    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 17,355 shares
    Change vs previous 13F +6,828 shares

    0.13% of the 13F portfolio, value $2,999,638.

    13F-HR 0001398344-26-003202 filed by Granahan Investment 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 10,527 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $1,940,863.

    13F-HR 0001398344-25-020897 filed by Granahan Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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