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American Research & Management Co.: TFX position timeline

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

American Research & Management Co. held 6,915 TFX 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 6,915 shares
    Change vs previous 13F -30 shares

    0.38% of the 13F portfolio, value $1,393,000.

    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 6,945 shares
    Change vs previous 13F -85 shares

    0.44% of the 13F portfolio, value $1,707,000.

    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 7,030 shares
    Change vs previous 13F -750 shares

    0.55% of the 13F portfolio, value $2,494,000.

    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 7,780 shares
    Change vs previous 13F -40 shares

    0.55% of the 13F portfolio, value $2,556,000.

    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 7,820 shares
    Change vs previous 13F -125 shares

    0.68% of the 13F portfolio, value $2,945,000.

    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 7,945 shares
    Change vs previous 13F -300 shares

    0.73% of the 13F portfolio, value $3,192,000.

    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 8,245 shares
    Change vs previous 13F -220 shares

    0.83% of the 13F portfolio, value $3,425,000.

    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 8,465 shares
    Change vs previous 13F not available

    0.91% of the 13F portfolio, value $3,484,000.

    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).