GAMCO Investors (Gabelli): GTLS position timeline

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

GAMCO Investors (Gabelli) held 644,189 GTLS 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 644,189 shares
Change vs previous 13F +31,930 shares
0.49% of the 13F portfolio, value $134,596,849.
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: 266,881 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 139,714 shares
- GABELLI FUNDS LLC: 237,594 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 612,259 shares
Change vs previous 13F +96,452 shares
0.49% of the 13F portfolio, value $126,584,548.
13F-HR 0001140361-26-021334 filed by GAMCO INVESTORS, INC. ET AL
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: 271,100 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 129,048 shares
- GABELLI FUNDS LLC: 212,111 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 515,807 shares
Change vs previous 13F +117,011 shares
0.41% of the 13F portfolio, value $106,374,878.
13F-HR 0001140361-26-003895 filed by GAMCO INVESTORS, INC. ET AL
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: 220,749 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 126,034 shares
- GABELLI FUNDS LLC: 169,024 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 398,796 shares
Change vs previous 13F +228,084 shares
0.31% of the 13F portfolio, value $79,819,020.
13F-HR 0001140361-25-041670 filed by GAMCO INVESTORS, INC. ET AL
Filed 2025-11-12 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC
- GAMCO INVESTORS, INC. ET AL: 165,972 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 105,700 shares
- GABELLI FUNDS LLC: 127,124 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 170,712 shares
Change vs previous 13F +42,942 shares
0.11% of the 13F portfolio, value $28,107,731.
13F-HR 0001140361-25-030814 filed by GAMCO INVESTORS, INC. ET AL
Filed 2025-08-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC
- GAMCO INVESTORS, INC. ET AL: 136,573 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 9,450 shares
- GABELLI FUNDS LLC: 24,689 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 127,770 shares
Change vs previous 13F -350 shares
0.08% of the 13F portfolio, value $18,444,877.
13F-HR 0001140361-25-018975 filed by GAMCO INVESTORS, INC. ET AL
Filed 2025-05-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC
- GAMCO INVESTORS, INC. ET AL: 118,070 shares
- GABELLI FUNDS LLC: 9,700 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 128,120 shares
Change vs previous 13F -575 shares
0.11% of the 13F portfolio, value $24,450,421.
13F-HR 0001140361-25-004330 filed by GAMCO INVESTORS, INC. ET AL
Filed 2025-02-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC
- GAMCO INVESTORS, INC. ET AL: 118,370 shares
- GABELLI FUNDS LLC: 9,750 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 128,695 shares
Change vs previous 13F not available
0.07% of the 13F portfolio, value $15,976,197.
13F-HR 0001140361-24-046738 filed by GAMCO INVESTORS, INC. ET AL
Filed 2024-11-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
- GAMCO INVESTORS, INC. ET AL: 118,945 shares
- GABELLI FUNDS LLC: 9,750 shares
Acceptance time not in the bulk data set (spec §4.2).