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DIMENSIONAL FUND ADVISORS LP: SIRI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DIMENSIONAL FUND ADVISORS LP on SIRI, newest first. How the timeline and the estimate are built.

DIMENSIONAL FUND ADVISORS LP held 10,512,352 SIRI shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 10,512,352 shares
    Change vs previous 13F +4,211,171 shares

    0.06% of the 13F portfolio, value $310,527,367.

    13F-HR 0000354204-26-000866 filed by DIMENSIONAL FUND ADVISORS LP
    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 6,301,181 shares
    Change vs previous 13F +4,560,821 shares

    0.03% of the 13F portfolio, value $145,425,502.

    13F-HR 0000354204-26-000581 filed by DIMENSIONAL FUND ADVISORS LP
    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 1,740,360 shares
    Change vs previous 13F +1,414,426 shares

    0.01% of the 13F portfolio, value $34,798,499.

    13F-HR 0000354204-26-000347 filed by DIMENSIONAL FUND ADVISORS LP
    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 325,934 shares
    Change vs previous 13F -1,583,324 shares

    <0.01% of the 13F portfolio, value $7,586,114.

    13F-HR 0000354204-25-001337 filed by DIMENSIONAL FUND ADVISORS LP
    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 1,909,258 shares
    Change vs previous 13F -484,225 shares

    0.01% of the 13F portfolio, value $43,848,361.

    13F-HR 0000354204-25-001097 filed by DIMENSIONAL FUND ADVISORS LP
    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 2,393,483 shares
    Change vs previous 13F -8,107 shares

    0.01% of the 13F portfolio, value $53,966,765.

    13F-HR 0000354204-25-000866 filed by DIMENSIONAL FUND ADVISORS LP
    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 2,401,590 shares
    Change vs previous 13F -161,274 shares

    0.01% of the 13F portfolio, value $54,756,265.

    13F-HR 0000354204-25-000528 filed by DIMENSIONAL FUND ADVISORS LP
    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 2,562,864 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $60,632,000.

    13F-HR 0000354204-24-004773 filed by DIMENSIONAL FUND ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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