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Disclosery

Artisan Partners Limited Partnership: IONS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Artisan Partners Limited Partnership on IONS, newest first. How the timeline and the estimate are built.

Artisan Partners Limited Partnership held 2,640,024 IONS shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,640,024 shares
    Change vs previous 13F +581,716 shares

    0.34% of the 13F portfolio, value $209,327,536.

    13F-HR 0001193125-26-349319 filed by Artisan Partners Limited Partnership
    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 2,058,308 shares
    Change vs previous 13F +876,892 shares

    0.25% of the 13F portfolio, value $154,558,340.

    13F-HR 0001193125-26-220594 filed by Artisan Partners Limited Partnership
    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 1,181,416 shares
    Change vs previous 13F +291,344 shares

    0.14% of the 13F portfolio, value $93,461,820.

    13F-HR 0001193125-26-052992 filed by Artisan Partners Limited Partnership
    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 890,072 shares
    Change vs previous 13F +535,110 shares

    0.08% of the 13F portfolio, value $58,228,510.

    13F-HR 0001193125-25-275718 filed by Artisan Partners Limited Partnership
    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 354,962 shares
    Change vs previous 13F +151,784 shares

    0.02% of the 13F portfolio, value $14,024,549.

    13F-HR 0000950123-25-007551 filed by Artisan Partners Limited Partnership
    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 203,178 shares
    Change vs previous 13F -49,457 shares

    0.01% of the 13F portfolio, value $6,129,880.

    13F-HR 0000950123-25-005057 filed by Artisan Partners Limited Partnership
    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 252,635 shares
    Change vs previous 13F -1,987,820 shares

    0.01% of the 13F portfolio, value $8,832,120.

    13F-HR 0000950123-25-001671 filed by Artisan Partners Limited Partnership
    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 2,240,455 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $89,752,627.

    13F-HR 0000950123-24-010870 filed by Artisan Partners Limited Partnership
    Filed (acceptance time not in the bulk data set), ingested

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