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NEW YORK STATE TEACHERS RETIREMENT SYSTEM: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of NEW YORK STATE TEACHERS RETIREMENT SYSTEM on BIIB, newest first. How the timeline and the estimate are built.

NEW YORK STATE TEACHERS RETIREMENT SYSTEM held 108,004 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 108,004 shares
    Change vs previous 13F -3,299 shares

    0.04% of the 13F portfolio, value $23,335,000.

    13F-HR 0000314969-26-000007 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    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 111,303 shares
    Change vs previous 13F +100 shares

    0.04% of the 13F portfolio, value $20,405,000.

    13F-HR 0000314969-26-000005 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    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 111,203 shares
    Change vs previous 13F +1,009 shares

    0.04% of the 13F portfolio, value $19,571,000.

    13F-HR 0000314969-26-000003 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    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 110,194 shares
    Change vs previous 13F -455 shares

    0.03% of the 13F portfolio, value $15,436,000.

    13F-HR 0000314969-25-000014 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    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 110,649 shares
    Change vs previous 13F +2,973 shares

    0.03% of the 13F portfolio, value $13,896,000.

    13F-HR 0000314969-25-000009 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    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 107,676 shares
    Change vs previous 13F -3,452 shares

    0.03% of the 13F portfolio, value $14,734,000.

    13F-HR 0000314969-25-000005 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    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 111,128 shares
    Change vs previous 13F -6,673 shares

    0.04% of the 13F portfolio, value $16,994,000.

    13F-HR 0000314969-25-000003 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    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 117,801 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $22,835,000.

    13F-HR 0000314969-24-000012 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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