VANGUARD GROUP INC: IMSR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of VANGUARD GROUP INC on IMSR, newest first. How the timeline and the estimate are built.

VANGUARD GROUP INC held 3,830,058 IMSR shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

period ended2026-06-30
13F 3,830,058 shares
Change vs previous 13F +2,169,017 shares
<0.01% of the 13F portfolio, value $27,116,811.
13F-HR 0002100119-26-001527 filed by VANGUARD CAPITAL MANAGEMENT LLC
Filed 2026-08-13 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
- VANGUARD FIDUCIARY TRUST CO: 365,772 shares
- Vanguard Investments Australia, Ltd.: 10,674 shares
- VANGUARD ASSET MANAGEMENT, Ltd: 19,453 shares
- Vanguard Global Advisers, LLC: 19,963 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 3,414,196 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F/A 1,661,041 shares
Change vs previous 13F -188,405 shares
<0.01% of the 13F portfolio, value $9,974,550.
13F-HR/A 0002100119-26-001311 filed by VANGUARD CAPITAL MANAGEMENT LLC
Filed 2026-05-15 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
- VANGUARD FIDUCIARY TRUST CO: 300,407 shares
- Vanguard Investments Australia, Ltd.: 10,674 shares
- VANGUARD ASSET MANAGEMENT, Ltd: 19,453 shares
- Vanguard Global Advisers, LLC: 27,055 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 1,303,452 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 1,849,446 shares
Change vs previous 13F not available
<0.01% of the 13F portfolio, value $11,300,115.
13F-HR 0000102909-26-000031 filed by VANGUARD GROUP INC
Filed 2026-01-29 (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).