OPPENHEIMER ASSET MANAGEMENT INC.: MPC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of OPPENHEIMER ASSET MANAGEMENT INC. on MPC, newest first. How the timeline and the estimate are built.

OPPENHEIMER ASSET MANAGEMENT INC. held 149,783 MPC shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

period ended2026-06-30
13F 149,783 shares
Change vs previous 13F -1,888 shares
0.2% of the 13F portfolio, value $38,295,020.
13F-HR 0000822581-26-000002 filed by OPPENHEIMER & CO INC
Filed 2026-08-03 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
- OPPENHEIMER & CO INC: 116,342 shares
- OPPENHEIMER ASSET MANAGEMENT INC.: 33,441 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 151,671 shares
Change vs previous 13F -1,689 shares
0.22% of the 13F portfolio, value $37,035,025.
13F-HR 0000822581-26-000001 filed by OPPENHEIMER & CO INC
Filed 2026-04-24 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
- OPPENHEIMER & CO INC: 118,429 shares
- OPPENHEIMER ASSET MANAGEMENT INC.: 33,242 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 153,360 shares
Change vs previous 13F -2,397 shares
0.16% of the 13F portfolio, value $24,940,937.
13F-HR 0001085146-26-000134 filed by OPPENHEIMER & CO INC
Filed 2026-02-02 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC
- OPPENHEIMER & CO INC: 119,849 shares
- OPPENHEIMER ASSET MANAGEMENT INC.: 33,511 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 155,757 shares
Change vs previous 13F -12,390 shares
0.17% of the 13F portfolio, value $30,020,605.
13F-HR 0000822581-25-000003 filed by OPPENHEIMER & CO INC
Filed 2025-11-06 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC
- OPPENHEIMER & CO INC: 122,371 shares
- OPPENHEIMER ASSET MANAGEMENT INC.: 33,386 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 168,147 shares
Change vs previous 13F +2,119 shares
0.17% of the 13F portfolio, value $27,930,899.
13F-HR 0001085146-25-004369 filed by OPPENHEIMER & CO INC
Filed 2025-07-31 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC
- OPPENHEIMER & CO INC: 124,841 shares
- OPPENHEIMER ASSET MANAGEMENT INC.: 43,306 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 166,028 shares
Change vs previous 13F -8,442 shares
0.16% of the 13F portfolio, value $24,188,619.
13F-HR 0001085146-25-002234 filed by OPPENHEIMER & CO INC
Filed 2025-04-23 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC
- OPPENHEIMER & CO INC: 121,641 shares
- OPPENHEIMER ASSET MANAGEMENT INC.: 44,387 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 174,470 shares
Change vs previous 13F -9,300 shares
0.16% of the 13F portfolio, value $24,338,565.
13F-HR 0001085146-25-000778 filed by OPPENHEIMER & CO INC
Filed 2025-02-05 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC
- OPPENHEIMER & CO INC: 133,374 shares
- OPPENHEIMER ASSET MANAGEMENT INC.: 41,096 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 183,770 shares
Change vs previous 13F not available
0.2% of the 13F portfolio, value $29,937,970.
13F-HR 0001085146-24-005360 filed by OPPENHEIMER & CO INC
Filed 2024-11-05 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
- OPPENHEIMER & CO INC: 140,596 shares
- OPPENHEIMER ASSET MANAGEMENT INC.: 43,174 shares
Acceptance time not in the bulk data set (spec §4.2).