Skip to content
Disclosery

SIR Capital Management, L.P.: MGY position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SIR Capital Management, L.P. on MGY, newest first. How the timeline and the estimate are built.

SIR Capital Management, L.P. held 227,667 MGY shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 227,667 shares
    Change vs previous 13F -623,427 shares

    0.67% of the 13F portfolio, value $5,823,722.

    13F-HR 0001434997-26-000003 filed by SIR Capital Management, L.P.
    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 851,094 shares
    Change vs previous 13F -159,700 shares

    2.51% of the 13F portfolio, value $26,869,038.

    13F-HR 0001434997-26-000002 filed by SIR Capital Management, L.P.
    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 1,010,794 shares
    Change vs previous 13F -729,367 shares

    2.45% of the 13F portfolio, value $22,126,281.

    13F-HR 0001434997-26-000001 filed by SIR Capital Management, L.P.
    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 1,740,161 shares
    Change vs previous 13F +349,461 shares

    3.73% of the 13F portfolio, value $41,537,643.

    13F-HR 0001434997-25-000007 filed by SIR Capital Management, L.P.
    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 1,390,700 shares
    Change vs previous 13F +1,133,900 shares

    2.79% of the 13F portfolio, value $31,262,936.

    13F-HR 0001434997-25-000005 filed by SIR Capital Management, L.P.
    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 256,800 shares
    Change vs previous 13F +173,000 shares

    0.57% of the 13F portfolio, value $6,486,768.

    13F-HR 0001434997-25-000002 filed by SIR Capital Management, L.P.
    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 83,800 shares
    Change vs previous 13F -292,100 shares

    0.2% of the 13F portfolio, value $1,959,244.

    13F-HR 0001434997-25-000001 filed by SIR Capital Management, L.P.
    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 375,900 shares
    Change vs previous 13F not available

    0.89% of the 13F portfolio, value $9,179,478.

    13F-HR 0001434997-24-000006 filed by SIR Capital Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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