Skip to content
Disclosery

S&CO INC: NPWR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of S&CO INC on NPWR, newest first. How the timeline and the estimate are built.

S&CO INC held 0 NPWR shares at 2025-09-30 per its 13F-HR filed 2025-11-06.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -188,000 shares

    13F-HR 0001082461-25-000005 filed by S&CO INC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-06-30
    13F 188,000 shares
    Change vs previous 13F -47,930 shares

    0.03% of the 13F portfolio, value $464,000.

    13F-HR 0001082461-25-000003 filed by S&CO INC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-03-31
    13F 235,930 shares
    Change vs previous 13F -105,475 shares

    0.04% of the 13F portfolio, value $620,000.

    13F-HR 0001082461-25-000002 filed by S&CO INC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2024-12-31
    13F 341,405 shares
    Change vs previous 13F +89,500 shares

    0.25% of the 13F portfolio, value $3,615,000.

    13F-HR 0001082461-25-000001 filed by S&CO INC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-09-30
    13F 251,905 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $1,765,000.

    13F-HR 0001082461-24-000005 filed by S&CO INC
    Filed (acceptance time not in the bulk data set), ingested

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