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Main Street Research LLC: RTX position timeline

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

Main Street Research LLC held 5,752 RTX 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 5,752 shares
    Change vs previous 13F -314 shares

    0.05% of the 13F portfolio, value $1,091,366.

    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 6,066 shares
    Change vs previous 13F +570 shares

    0.07% of the 13F portfolio, value $1,170,171.

    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 5,496 shares
    Change vs previous 13F -67 shares

    0.06% of the 13F portfolio, value $1,008,004.

    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 5,563 shares
    Change vs previous 13F +1,078 shares

    0.05% of the 13F portfolio, value $930,891.

    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 4,485 shares
    Change vs previous 13F +52 shares

    0.04% of the 13F portfolio, value $654,929.

    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 4,433 shares
    Change vs previous 13F -107 shares

    0.04% of the 13F portfolio, value $587,222.

    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 4,540 shares
    Change vs previous 13F +553 shares

    0.03% of the 13F portfolio, value $525,392.

    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 3,987 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $483,090.

    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).