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1248 Management, LLC: TSM position timeline

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

1248 Management, LLC held 2,208 TSM 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 2,208 shares
    Change vs previous 13F 0 shares

    0.41% of the 13F portfolio, value $1,056,549.

    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 2,208 shares
    Change vs previous 13F 0 shares

    0.35% of the 13F portfolio, value $748,267.

    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 2,208 shares
    Change vs previous 13F 0 shares

    0.36% of the 13F portfolio, value $672,745.

    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 2,208 shares
    Change vs previous 13F +1,943 shares

    0.35% of the 13F portfolio, value $619,132.

    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 265 shares
    Change vs previous 13F +96 shares

    0.02% of the 13F portfolio, value $60,227.

    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 169 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $28,166.

    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).