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Disclosery

Y-Intercept (Hong Kong) Ltd: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Y-Intercept (Hong Kong) Ltd on BIIB, newest first. How the timeline and the estimate are built.

Y-Intercept (Hong Kong) Ltd held 0 BIIB shares at 2026-03-31 per its 13F-HR filed 2026-04-27.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -134,566 shares

    13F-HR 0001772875-26-000005 filed by Y-Intercept (Hong Kong) Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 134,566 shares
    Change vs previous 13F +134,566 shares

    0.53% of the 13F portfolio, value $23,682,270.

    13F-HR 0001772875-26-000002 filed by Y-Intercept (Hong Kong) Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -6,318 shares

    13F-HR 0001772875-25-000030 filed by Y-Intercept (Hong Kong) Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  4. period ended2025-06-30
    13F 6,318 shares
    Change vs previous 13F +4,480 shares

    0.02% of the 13F portfolio, value $793,478.

    13F-HR 0001772875-25-000024 filed by Y-Intercept (Hong Kong) Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 1,838 shares
    Change vs previous 13F -13,310 shares

    0.02% of the 13F portfolio, value $251,512.

    13F-HR 0001772875-25-000019 filed by Y-Intercept (Hong Kong) Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 15,148 shares
    Change vs previous 13F +7,970 shares

    0.15% of the 13F portfolio, value $2,316,432.

    13F-HR 0001420506-25-000115 filed by Y-Intercept (Hong Kong) Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 7,178 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $1,391,384.

    13F-HR 0001420506-24-002587 filed by Y-Intercept (Hong Kong) Ltd
    Filed (acceptance time not in the bulk data set), ingested

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