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TEACHER RETIREMENT SYSTEM OF TEXAS: IONS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TEACHER RETIREMENT SYSTEM OF TEXAS on IONS, newest first. How the timeline and the estimate are built.

TEACHER RETIREMENT SYSTEM OF TEXAS held 522,317 IONS 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 522,317 shares
    Change vs previous 13F -1,615 shares

    0.11% of the 13F portfolio, value $41,414,514.

    13F-HR 0000796848-26-000010 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    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 523,932 shares
    Change vs previous 13F +101,033 shares

    0.16% of the 13F portfolio, value $39,342,055.

    13F-HR 0000796848-26-000002 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    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 422,899 shares
    Change vs previous 13F -51,046 shares

    0.12% of the 13F portfolio, value $33,455,538.

    13F-HR 0000796848-26-000001 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    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 473,945 shares
    Change vs previous 13F -194,328 shares

    0.12% of the 13F portfolio, value $31,005,481.

    13F-HR 0000796848-25-000010 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    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 668,273 shares
    Change vs previous 13F +167,822 shares

    0.11% of the 13F portfolio, value $26,403,467.

    13F-HR 0000796848-25-000006 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    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 500,451 shares
    Change vs previous 13F +434,659 shares

    0.06% of the 13F portfolio, value $15,098,608.

    13F-HR 0000796848-25-000004 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    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 65,792 shares
    Change vs previous 13F +9,093 shares

    0.01% of the 13F portfolio, value $2,300,000.

    13F-HR 0000796848-25-000003 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    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 56,699 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $2,271,000.

    13F-HR 0000796848-24-000017 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    Filed (acceptance time not in the bulk data set), ingested

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