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Disclosery

Twin Tree Management, LP: WDC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Twin Tree Management, LP on WDC, newest first. How the timeline and the estimate are built.

Twin Tree Management, LP held 5,642 WDC shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 5,642 shares
    Change vs previous 13F +5,137 shares

    0.56% of the 13F portfolio, value $3,603,658.

    13F-HR 0001535588-26-000004 filed by Twin Tree Management, 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 505 shares
    Change vs previous 13F -70,477 shares

    0.03% of the 13F portfolio, value $136,597.

    13F-HR 0001535588-26-000003 filed by Twin Tree Management, 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 70,982 shares
    Change vs previous 13F -96,220 shares

    1.25% of the 13F portfolio, value $12,228,069.

    13F-HR 0001535588-26-000002 filed by Twin Tree Management, 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 167,202 shares
    Change vs previous 13F +103,603 shares

    0.94% of the 13F portfolio, value $20,074,272.

    13F-HR 0001535588-25-000009 filed by Twin Tree Management, 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 63,599 shares
    Change vs previous 13F -176,626 shares

    0.1% of the 13F portfolio, value $4,069,700.

    13F-HR 0001085146-25-004202 filed by Twin Tree Management, 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 240,225 shares
    Change vs previous 13F +182,161 shares

    0.21% of the 13F portfolio, value $9,712,297.

    13F-HR 0001535588-25-000003 filed by Twin Tree Management, 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 58,064 shares
    Change vs previous 13F -48,932 shares

    0.08% of the 13F portfolio, value $3,462,356.

    13F-HR 0001535588-25-000002 filed by Twin Tree Management, 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 106,996 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $7,306,757.

    13F-HR 0001535588-24-000005 filed by Twin Tree Management, LP
    Filed (acceptance time not in the bulk data set), ingested

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