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Boston Trust Walden Corp: BIO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Boston Trust Walden Corp on BIO, newest first. How the timeline and the estimate are built.

Boston Trust Walden Corp held 120,207 BIO shares at 2026-06-30 per its 13F-HR filed 2026-07-24.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 120,207 shares
    Change vs previous 13F +18,519 shares

    0.03% of the 13F portfolio, value $35,293,980.

    13F-HR 0001534866-26-000005 filed by Boston Trust Walden Corp
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 9,040 shares
    • Boston Trust Walden Corp: 111,167 shares

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

  2. period ended2026-03-31
    13F 101,688 shares
    Change vs previous 13F -235,762 shares

    0.03% of the 13F portfolio, value $28,345,529.

    13F-HR 0001534866-26-000004 filed by Boston Trust Walden Corp
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 8,193 shares
    • Boston Trust Walden Corp: 93,495 shares

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

  3. period ended2025-12-31
    13F 337,450 shares
    Change vs previous 13F +242,002 shares

    0.09% of the 13F portfolio, value $102,257,057.

    13F-HR 0001386060-26-000014 filed by Boston Partners
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 247,612 shares
    • Boston Trust Walden Corp: 89,838 shares

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

  4. period ended2025-09-30
    13F 95,448 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $26,762,665.

    13F-HR 0001534866-25-000014 filed by Boston Trust Walden Corp
    Filed (acceptance time not in the bulk data set), ingested

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