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SIPHRON CAPITAL MANAGEMENT /CA/: AMZN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SIPHRON CAPITAL MANAGEMENT /CA/ on AMZN, newest first. How the timeline and the estimate are built.

SIPHRON CAPITAL MANAGEMENT /CA/ held 2,535 AMZN shares at 2014-09-30 per its 13F-HR filed 2014-11-13.

the latest 13F is the newest step

  1. period ended2014-09-30
    13F 2,535 shares
    Change vs previous 13F -892 shares

    2.74% of the 13F portfolio, value $817,000.

    13F-HR 0000893273-14-000007 filed by SIPHRON CAPITAL MANAGEMENT /CA/
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2014-06-30
    13F 3,427 shares
    Change vs previous 13F -3,560 shares

    3.77% of the 13F portfolio, value $1,113,000.

    13F-HR 0000893273-14-000005 filed by SIPHRON CAPITAL MANAGEMENT /CA/
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2014-03-31
    13F 6,987 shares
    Change vs previous 13F -1,460 shares

    4.11% of the 13F portfolio, value $2,350,000.

    13F-HR 0000893273-14-000003 filed by SIPHRON CAPITAL MANAGEMENT /CA/
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2013-12-31
    13F 8,447 shares
    Change vs previous 13F -6,123 shares

    4.88% of the 13F portfolio, value $3,369,000.

    13F-HR 0000893273-14-000002 filed by SIPHRON CAPITAL MANAGEMENT /CA/
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2013-09-30
    13F 14,570 shares
    Change vs previous 13F -90 shares

    4.25% of the 13F portfolio, value $4,555,000.

    13F-HR 0000893273-13-000009 filed by SIPHRON CAPITAL MANAGEMENT /CA/
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2013-06-30
    13F/A 14,660 shares
    Change vs previous 13F not available

    3.91% of the 13F portfolio, value $4,071,000.

    13F-HR/A 0000893273-13-000007 filed by SIPHRON CAPITAL MANAGEMENT /CA/
    Filed (acceptance time not in the bulk data set), ingested

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