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Disclosery

Baron Capital: ARGX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Baron Capital on ARGX, newest first. How the timeline and the estimate are built.

Baron Capital held 136,654 ARGX 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 136,654 shares
    Change vs previous 13F -1,994 shares

    0.19% of the 13F portfolio, value $126,783,482.

    13F-HR 0001017918-26-000067 filed by BAMCO INC /NY/
    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 138,648 shares
    Change vs previous 13F -15,071 shares

    0.31% of the 13F portfolio, value $101,247,702.

    13F-HR 0001017918-26-000043 filed by BAMCO INC /NY/
    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 153,719 shares
    Change vs previous 13F -13,975 shares

    0.35% of the 13F portfolio, value $129,269,993.

    13F-HR 0001017918-26-000015 filed by BAMCO INC /NY/
    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 167,694 shares
    Change vs previous 13F -13,039 shares

    0.33% of the 13F portfolio, value $123,684,387.

    13F-HR 0001017918-25-000059 filed by BAMCO INC /NY/
    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 180,733 shares
    Change vs previous 13F -32,667 shares

    0.27% of the 13F portfolio, value $99,623,644.

    13F-HR 0001017918-25-000041 filed by BAMCO INC /NY/
    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 213,400 shares
    Change vs previous 13F -28,778 shares

    0.37% of the 13F portfolio, value $126,303,991.

    13F-HR 0001017918-25-000031 filed by BAMCO INC /NY/
    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 242,178 shares
    Change vs previous 13F -8,126 shares

    0.39% of the 13F portfolio, value $148,939,470.

    13F-HR 0001017918-25-000019 filed by BAMCO INC /NY/
    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 250,304 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $135,684,792.

    13F-HR 0001017918-24-000083 filed by BAMCO INC /NY/
    Filed (acceptance time not in the bulk data set), ingested

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