GAMCO Investors (Gabelli): SEMR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMCO Investors (Gabelli) on SEMR, newest first. How the timeline and the estimate are built.

GAMCO Investors (Gabelli) held 0 SEMR shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

period ended2026-06-30
13F 0 shares
Change vs previous 13F -885,858 shares
13F-HR 0001140361-26-032508 filed by GAMCO INVESTORS, INC. ET AL
Filed 2026-08-12 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
- GAMCO INVESTORS, INC. ET AL: 0 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 0 shares
- GABELLI FUNDS LLC: 0 shares
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2026-03-31
13F 885,858 shares
Change vs previous 13F +478,474 shares
0.04% of the 13F portfolio, value $10,577,145.
13F-HR 0001140361-26-021337 filed by GABELLI FUNDS LLC
Filed 2026-05-14 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
- GAMCO INVESTORS, INC. ET AL: 95,934 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 279,824 shares
- GABELLI FUNDS LLC: 510,100 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 407,384 shares
Change vs previous 13F not available
0.02% of the 13F portfolio, value $4,843,796.
13F-HR 0001140361-26-003893 filed by GABELLI FUNDS LLC
Filed 2026-02-05 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC
- GAMCO INVESTORS, INC. ET AL: 91,634 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 95,550 shares
- GABELLI FUNDS LLC: 220,200 shares
Acceptance time not in the bulk data set (spec §4.2).