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Disclosery

Main Street Research LLC: APH position timeline

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

Main Street Research LLC held 308,716 APH 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 308,716 shares
    Change vs previous 13F +7,673 shares

    2.57% of the 13F portfolio, value $54,432,855.

    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 301,043 shares
    Change vs previous 13F +5,686 shares

    2.21% of the 13F portfolio, value $38,036,757.

    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 295,357 shares
    Change vs previous 13F -1,954 shares

    2.29% of the 13F portfolio, value $39,988,020.

    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 297,311 shares
    Change vs previous 13F not available

    1.99% of the 13F portfolio, value $36,792,236.

    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).