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American Research & Management Co.: ROP position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of American Research & Management Co. on ROP, newest first. How the timeline and the estimate are built.

American Research & Management Co. held 6,959 ROP shares at 2022-09-30 per its 13F-HR filed 2022-10-07.

the latest 13F is the newest step

  1. period ended2022-09-30
    13F 6,959 shares
    Change vs previous 13F +472 shares

    0.69% of the 13F portfolio, value $2,503,000.

    13F-HR 0000909012-22-000112 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2022-06-30
    13F 6,487 shares
    Change vs previous 13F +242 shares

    0.66% of the 13F portfolio, value $2,560,000.

    13F-HR 0000909012-22-000079 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2022-03-31
    13F 6,245 shares
    Change vs previous 13F +49 shares

    0.65% of the 13F portfolio, value $2,949,000.

    13F-HR 0000909012-22-000052 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2021-12-31
    13F 6,196 shares
    Change vs previous 13F 0 shares

    0.66% of the 13F portfolio, value $3,048,000.

    13F-HR 0000909012-22-000017 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2021-09-30
    13F 6,196 shares
    Change vs previous 13F +156 shares

    0.64% of the 13F portfolio, value $2,764,000.

    13F-HR 0000909012-21-000134 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2021-06-30
    13F 6,040 shares
    Change vs previous 13F +791 shares

    0.65% of the 13F portfolio, value $2,840,000.

    13F-HR 0000909012-21-000100 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2021-03-31
    13F 5,249 shares
    Change vs previous 13F +64 shares

    0.51% of the 13F portfolio, value $2,117,000.

    13F-HR 0000909012-21-000060 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2020-12-31
    13F 5,185 shares
    Change vs previous 13F not available

    0.58% of the 13F portfolio, value $2,235,000.

    13F-HR 0000909012-21-000010 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

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