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Rhenman & Partners Asset Management AB: BSX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Rhenman & Partners Asset Management AB on BSX, newest first. How the timeline and the estimate are built.

Rhenman & Partners Asset Management AB held 450,500 BSX shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 450,500 shares
    Change vs previous 13F -174,500 shares

    1.81% of the 13F portfolio, value $19,227,340.

    13F-HR 0001213900-26-088652 filed by Rhenman & Partners Asset Management AB
    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 625,000 shares
    Change vs previous 13F +193,793 shares

    4.84% of the 13F portfolio, value $39,218,750.

    13F-HR 0001213900-26-056196 filed by Rhenman & Partners Asset Management AB
    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 431,207 shares
    Change vs previous 13F -6,793 shares

    3.84% of the 13F portfolio, value $41,115,587.

    13F-HR 0001213900-26-015821 filed by Rhenman & Partners Asset Management AB
    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 438,000 shares
    Change vs previous 13F +142,000 shares

    4.73% of the 13F portfolio, value $42,761,940.

    13F-HR 0001213900-25-109534 filed by Rhenman & Partners Asset Management AB
    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 296,000 shares
    Change vs previous 13F -4,000 shares

    4.02% of the 13F portfolio, value $31,793,360.

    13F-HR 0001213900-25-075249 filed by Rhenman & Partners Asset Management AB
    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 300,000 shares
    Change vs previous 13F -144,000 shares

    3.48% of the 13F portfolio, value $30,264,000.

    13F-HR 0001213900-25-042939 filed by Rhenman & Partners Asset Management AB
    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 444,000 shares
    Change vs previous 13F -146,000 shares

    4.08% of the 13F portfolio, value $39,658,080.

    13F-HR 0001213900-25-013150 filed by Rhenman & Partners Asset Management AB
    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 590,000 shares
    Change vs previous 13F not available

    4.01% of the 13F portfolio, value $49,442,000.

    13F-HR 0001213900-24-097092 filed by Rhenman & Partners Asset Management AB
    Filed (acceptance time not in the bulk data set), ingested

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