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AlphaQuest LLC: MKSI position timeline

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

AlphaQuest LLC held 0 MKSI shares at 2026-03-31 per its 13F-HR filed 2026-04-30.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -345 shares

    13F-HR 0001140361-26-018158 filed by AlphaQuest LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 345 shares
    Change vs previous 13F +162 shares

    <0.01% of the 13F portfolio, value $55,131.

    13F-HR 0001140361-26-004367 filed by AlphaQuest LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 183 shares
    Change vs previous 13F -2 shares

    <0.01% of the 13F portfolio, value $22,650.

    13F-HR 0001140361-25-040228 filed by AlphaQuest LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 185 shares
    Change vs previous 13F -21 shares

    <0.01% of the 13F portfolio, value $18,382.

    13F-HR 0001140361-25-028125 filed by AlphaQuest LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 206 shares
    Change vs previous 13F +37 shares

    <0.01% of the 13F portfolio, value $16,511.

    13F-HR 0001140361-25-018882 filed by AlphaQuest LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 169 shares
    Change vs previous 13F -4,804 shares

    <0.01% of the 13F portfolio, value $17,642.

    13F-HR 0001140361-25-003519 filed by AlphaQuest LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 4,973 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $540,615.

    13F-HR 0001140361-24-045581 filed by AlphaQuest LLC
    Filed (acceptance time not in the bulk data set), ingested

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