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Disclosery

PDT Partners, LLC: MKSI position timeline

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

PDT Partners, LLC held 72,347 MKSI shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 72,347 shares
    Change vs previous 13F -4,454 shares

    1.69% of the 13F portfolio, value $32,179,946.

    13F-HR 0001564702-26-000018 filed by PDT Partners, 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 76,801 shares
    Change vs previous 13F +66,731 shares

    1.04% of the 13F portfolio, value $17,649,638.

    13F-HR 0001564702-26-000004 filed by PDT Partners, 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 10,070 shares
    Change vs previous 13F 0 shares

    0.1% of the 13F portfolio, value $1,609,186.

    13F-HR 0001564702-26-000002 filed by PDT Partners, 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 10,070 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $1,246,364.

    13F-HR 0001564702-25-000027 filed by PDT Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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