HELLMAN JORDAN MANAGEMENT CO INC /MA/: GM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of HELLMAN JORDAN MANAGEMENT CO INC /MA/ on GM, newest first. How the timeline and the estimate are built.

HELLMAN JORDAN MANAGEMENT CO INC /MA/ held 21,201 GM shares at 2022-12-31 per its 13F-HR filed 2023-01-20.

the latest 13F is the newest step

period ended2022-12-31
13F 21,201 shares
Change vs previous 13F -35,303 shares
1.21% of the 13F portfolio, value $713,000.
13F-HR 0000779519-23-000001 filed by HELLMAN JORDAN MANAGEMENT CO INC /MA/
Filed 2023-01-20 (acceptance time not in the bulk data set), ingested 2026-10-07 18:33:21 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2022-09-30
13F 56,504 shares
Change vs previous 13F +516 shares
3.14% of the 13F portfolio, value $1,813,000.
13F-HR 0000779519-22-000005 filed by HELLMAN JORDAN MANAGEMENT CO INC /MA/
Filed 2022-10-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:34:10 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2022-06-30
13F 55,988 shares
Change vs previous 13F -28 shares
2.39% of the 13F portfolio, value $1,778,000.
13F-HR 0000779519-22-000004 filed by HELLMAN JORDAN MANAGEMENT CO INC /MA/
Filed 2022-09-27 (acceptance time not in the bulk data set), ingested 2026-10-07 18:35:03 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2022-03-31
13F 56,016 shares
Change vs previous 13F -4,240 shares
2.66% of the 13F portfolio, value $2,450,000.
13F-HR 0000779519-22-000003 filed by HELLMAN JORDAN MANAGEMENT CO INC /MA/
Filed 2022-06-16 (acceptance time not in the bulk data set), ingested 2026-10-07 18:35:57 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2021-12-31
13F 60,256 shares
Change vs previous 13F +16,947 shares
4.24% of the 13F portfolio, value $3,533,000.
13F-HR 0000779519-22-000001 filed by HELLMAN JORDAN MANAGEMENT CO INC /MA/
Filed 2022-01-26 (acceptance time not in the bulk data set), ingested 2026-10-07 18:36:54 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2021-09-30
13F 43,309 shares
Change vs previous 13F -29,592 shares
3.21% of the 13F portfolio, value $2,283,000.
13F-HR 0000779519-21-000008 filed by HELLMAN JORDAN MANAGEMENT CO INC /MA/
Filed 2021-10-26 (acceptance time not in the bulk data set), ingested 2026-10-07 18:37:51 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2021-06-30
13F 72,901 shares
Change vs previous 13F +34,043 shares
7.66% of the 13F portfolio, value $4,314,000.
13F-HR 0000779519-21-000007 filed by HELLMAN JORDAN MANAGEMENT CO INC /MA/
Filed 2021-07-21 (acceptance time not in the bulk data set), ingested 2026-10-07 18:38:33 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2021-03-31
13F 38,858 shares
Change vs previous 13F not available
3.24% of the 13F portfolio, value $2,233,000.
13F-HR 0000779519-21-000004 filed by HELLMAN JORDAN MANAGEMENT CO INC /MA/
Filed 2021-05-06 (acceptance time not in the bulk data set), ingested 2026-10-07 18:39:37 UTC
Acceptance time not in the bulk data set (spec §4.2).