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FRED ALGER MANAGEMENT, LLC: ATRO position timeline

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

FRED ALGER MANAGEMENT, LLC held 323,900 ATRO 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 323,900 shares
    Change vs previous 13F -1,054 shares

    0.09% of the 13F portfolio, value $26,320,114.

    13F-HR 0001193125-26-352250 filed by FRED ALGER 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 324,954 shares
    Change vs previous 13F +177,810 shares

    0.1% of the 13F portfolio, value $21,684,180.

    13F-HR 0001193125-26-226659 filed by FRED ALGER 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 147,144 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $7,981,091.

    13F-HR 0001193125-26-052991 filed by FRED ALGER MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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