GAGNON SECURITIES LLC: PSIX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAGNON SECURITIES LLC on PSIX, newest first. How the timeline and the estimate are built.

GAGNON SECURITIES LLC held 0 PSIX shares at 2025-12-31 per its 13F-HR filed 2026-02-13.

the latest 13F is the newest step

period ended2025-12-31
13F 0 shares
Change vs previous 13F -64,770 shares
13F-HR 0001019056-26-000037 filed by GAGNON SECURITIES LLC
Filed 2026-02-13 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2025-09-30
13F 64,770 shares
Change vs previous 13F -457,246 shares
1.28% of the 13F portfolio, value $6,361,709.
13F-HR 0001019056-25-000228 filed by GAGNON SECURITIES LLC
Filed 2025-11-03 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC
- GAGNON SECURITIES LLC: 64,770 shares
- Gagnon Advisors, LLC: 0 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 522,016 shares
Change vs previous 13F -326,759 shares
5.27% of the 13F portfolio, value $33,763,994.
13F-HR 0001019056-25-000196 filed by GAGNON SECURITIES LLC
Filed 2025-07-23 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC
- GAGNON SECURITIES LLC: 341,611 shares
- Gagnon Advisors, LLC: 180,405 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 848,775 shares
Change vs previous 13F -471,536 shares
3.6% of the 13F portfolio, value $21,457,032.
13F-HR 0001019056-25-000173 filed by GAGNON SECURITIES LLC
Filed 2025-05-09 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC
- GAGNON SECURITIES LLC: 525,291 shares
- Gagnon Advisors, LLC: 323,484 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 1,320,311 shares
Change vs previous 13F -457,060 shares
6.02% of the 13F portfolio, value $39,279,253.
13F-HR 0001019056-25-000034 filed by GAGNON SECURITIES LLC
Filed 2025-01-24 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC
- GAGNON SECURITIES LLC: 850,146 shares
- Gagnon Advisors, LLC: 470,165 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 1,777,371 shares
Change vs previous 13F not available
5.54% of the 13F portfolio, value $36,524,974.
13F-HR 0001019056-24-000316 filed by GAGNON SECURITIES LLC
Filed 2024-11-12 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
- GAGNON SECURITIES LLC: 1,019,627 shares
- Gagnon Advisors, LLC: 757,744 shares
Acceptance time not in the bulk data set (spec §4.2).