Castle Hook Partners LP: INSM position timeline

Castle Hook Partners LP held 993,310 INSM shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 993,310 shares

   Change vs previous 13F -276,444 shares

   1.13% of the 13F portfolio, value $105,906,712.

   13F-HR 0000902664-26-003483 filed by Castle Hook Partners LP
   Filed 2026-08-14 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC

   Acceptance time not in the bulk data set (spec §4.2).

2. period ended2026-03-31

   13F 1,269,754 shares

   Change vs previous 13F +16,186 shares

   4.2% of the 13F portfolio, value $207,630,174.

   13F-HR 0000902664-26-002505 filed by Castle Hook Partners LP
   Filed 2026-05-15 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC

   Acceptance time not in the bulk data set (spec §4.2).

3. period ended2025-12-31

   13F 1,253,568 shares

   Change vs previous 13F +162,163 shares

   3.14% of the 13F portfolio, value $218,170,975.

   13F-HR 0000902664-26-001080 filed by Castle Hook Partners LP
   Filed 2026-02-17 (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).

4. period ended2025-09-30

   13F 1,091,405 shares

   Change vs previous 13F +638,749 shares

   2.38% of the 13F portfolio, value $157,173,235.

   13F-HR 0000902664-25-004959 filed by Castle Hook Partners LP
   Filed 2025-11-14 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC

   Acceptance time not in the bulk data set (spec §4.2).

5. period ended2025-06-30

   13F 452,656 shares

   Change vs previous 13F not available

   0.67% of the 13F portfolio, value $45,555,300.

   13F-HR 0000902664-25-003586 filed by Castle Hook Partners LP
   Filed 2025-08-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC

   Acceptance time not in the bulk data set (spec §4.2).