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ARROWSTREET CAPITAL, LIMITED PARTNERSHIP: OSPN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ARROWSTREET CAPITAL, LIMITED PARTNERSHIP on OSPN, newest first. How the timeline and the estimate are built.

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP held 1,358,422 OSPN shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,358,422 shares
    Change vs previous 13F +90,180 shares

    0.01% of the 13F portfolio, value $19,493,356.

    13F-HR 0001164508-26-000035 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    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 1,268,242 shares
    Change vs previous 13F +617,092 shares

    0.01% of the 13F portfolio, value $13,354,588.

    13F-HR 0001164508-26-000028 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    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 651,150 shares
    Change vs previous 13F +225,053 shares

    <0.01% of the 13F portfolio, value $8,360,766.

    13F-HR 0001164508-26-000002 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    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 426,097 shares
    Change vs previous 13F -339,746 shares

    <0.01% of the 13F portfolio, value $6,770,681.

    13F-HR 0001164508-25-000009 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    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 765,843 shares
    Change vs previous 13F +102,243 shares

    0.01% of the 13F portfolio, value $12,781,920.

    13F-HR 0001402828-25-000008 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    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 663,600 shares
    Change vs previous 13F -143,407 shares

    0.01% of the 13F portfolio, value $10,119,900.

    13F-HR 0001402828-25-000004 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    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 807,007 shares
    Change vs previous 13F +219,813 shares

    0.01% of the 13F portfolio, value $14,961,910.

    13F-HR 0001402828-25-000002 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    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 587,194 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $9,788,524.

    13F-HR 0001164508-24-000006 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    Filed (acceptance time not in the bulk data set), ingested

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