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River Street Advisors LLC: MA position timeline

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

River Street Advisors LLC held 2,867 MA shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,867 shares
    Change vs previous 13F +68 shares

    0.43% of the 13F portfolio, value $1,472,492.

    13F-HR 0001964897-26-000003 filed by River Street Advisors 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 2,799 shares
    Change vs previous 13F +186 shares

    0.47% of the 13F portfolio, value $1,398,549.

    13F-HR 0001964897-26-000002 filed by River Street Advisors 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 2,613 shares
    Change vs previous 13F +73 shares

    0.56% of the 13F portfolio, value $1,491,710.

    13F-HR 0001964897-26-000001 filed by River Street Advisors 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 2,540 shares
    Change vs previous 13F +80 shares

    0.56% of the 13F portfolio, value $1,444,778.

    13F-HR 0001964897-25-000010 filed by River Street Advisors 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 2,460 shares
    Change vs previous 13F +124 shares

    0.6% of the 13F portfolio, value $1,382,373.

    13F-HR 0001964897-25-000004 filed by River Street Advisors 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 2,336 shares
    Change vs previous 13F +65 shares

    0.63% of the 13F portfolio, value $1,280,409.

    13F-HR 0001964897-25-000002 filed by River Street Advisors 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 2,271 shares
    Change vs previous 13F +82 shares

    0.61% of the 13F portfolio, value $1,195,841.

    13F-HR 0001964897-25-000001 filed by River Street Advisors 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 2,189 shares
    Change vs previous 13F not available

    0.59% of the 13F portfolio, value $1,080,929.

    13F-HR 0000903783-24-000007 filed by River Street Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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