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Disclosery

Empirical Finance, LLC: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Empirical Finance, LLC on BIIB, newest first. How the timeline and the estimate are built.

Empirical Finance, LLC held 5,240 BIIB 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 5,240 shares
    Change vs previous 13F +170 shares

    0.05% of the 13F portfolio, value $1,132,154.

    13F-HR 0001572838-26-000007 filed by Empirical Finance, 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/A 5,070 shares
    Change vs previous 13F -6 shares

    0.04% of the 13F portfolio, value $929,483.

    13F-HR/A 0001572838-26-000006 filed by Empirical Finance, 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 5,076 shares
    Change vs previous 13F -210 shares

    0.04% of the 13F portfolio, value $893,325.

    13F-HR 0001572838-26-000004 filed by Empirical Finance, LLC
    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 5,286 shares
    Change vs previous 13F +53 shares

    0.04% of the 13F portfolio, value $740,463.

    13F-HR 0001572838-25-000012 filed by Empirical Finance, LLC
    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 5,233 shares
    Change vs previous 13F +31 shares

    0.03% of the 13F portfolio, value $657,212.

    13F-HR 0001592828-25-000010 filed by Empirical Finance, LLC
    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 5,202 shares
    Change vs previous 13F +187 shares

    0.04% of the 13F portfolio, value $711,842.

    13F-HR 0001572838-25-000006 filed by Empirical Finance, LLC
    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 5,015 shares
    Change vs previous 13F -55 shares

    0.04% of the 13F portfolio, value $766,894.

    13F-HR 0001592828-25-000002 filed by Empirical Finance, LLC
    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 5,070 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $982,769.

    13F-HR 0001572838-24-000014 filed by Empirical Finance, LLC
    Filed (acceptance time not in the bulk data set), ingested

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