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Disclosery

Main Street Research LLC: ASML position timeline

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

Main Street Research LLC held 42,396 ASML shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 42,396 shares
    Change vs previous 13F +709 shares

    3.98% of the 13F portfolio, value $84,344,300.

    13F-HR 0001420506-26-001335 filed by Main Street Research 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 41,687 shares
    Change vs previous 13F +1,569 shares

    3.2% of the 13F portfolio, value $55,061,440.

    13F-HR 0001420506-26-000773 filed by Main Street Research 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 40,118 shares
    Change vs previous 13F -316 shares

    2.46% of the 13F portfolio, value $42,920,643.

    13F-HR 0001420506-26-000210 filed by Main Street Research 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 40,434 shares
    Change vs previous 13F +22,937 shares

    2.11% of the 13F portfolio, value $39,143,750.

    13F-HR 0001420506-25-003188 filed by Main Street Research 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 17,497 shares
    Change vs previous 13F +16,982 shares

    0.87% of the 13F portfolio, value $14,021,921.

    13F-HR 0001420506-25-001710 filed by Main Street Research 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 515 shares
    Change vs previous 13F -49 shares

    0.02% of the 13F portfolio, value $341,254.

    13F-HR 0001420506-25-000840 filed by Main Street Research LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 564 shares
    Change vs previous 13F -19,030 shares

    0.02% of the 13F portfolio, value $390,897.

    13F-HR 0001420506-25-000201 filed by Main Street Research LLC
    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 19,594 shares
    Change vs previous 13F not available

    1.03% of the 13F portfolio, value $16,326,701.

    13F-HR 0001941040-24-000499 filed by Main Street Research LLC
    Filed (acceptance time not in the bulk data set), ingested

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