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1248 Management, LLC: BSX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of 1248 Management, LLC on BSX, newest first. How the timeline and the estimate are built.

1248 Management, LLC held 22,400 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 22,400 shares
    Change vs previous 13F +11,078 shares

    0.37% of the 13F portfolio, value $956,032.

    13F-HR 0001580642-26-005252 filed by 1248 Management, 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 11,322 shares
    Change vs previous 13F +3,098 shares

    0.33% of the 13F portfolio, value $710,456.

    13F-HR 0001580642-26-003191 filed by 1248 Management, 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 8,224 shares
    Change vs previous 13F 0 shares

    0.42% of the 13F portfolio, value $784,158.

    13F-HR 0001580642-26-001085 filed by 1248 Management, 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 8,224 shares
    Change vs previous 13F +7,878 shares

    0.45% of the 13F portfolio, value $802,909.

    13F-HR 0001580642-25-007307 filed by 1248 Management, 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 346 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $37,164.

    13F-HR 0001580642-25-005196 filed by 1248 Management, 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/A 346 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $34,904.

    13F-HR/A 0001580642-25-003600 filed by 1248 Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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