VANGUARD GROUP INC: SIGA position timeline

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

VANGUARD GROUP INC held 2,622,765 SIGA 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 2,622,765 shares
Change vs previous 13F -60,413 shares
<0.01% of the 13F portfolio, value $9,546,865.
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: 277,358 shares
- Vanguard Personalized Indexing Management, LLC: 0 shares
- Vanguard Global Advisers, LLC: 83,009 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 1,712,701 shares
- VANGUARD PORTFOLIO MANAGEMENT LLC: 549,697 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F/A 2,683,178 shares
Change vs previous 13F -59,368 shares
<0.01% of the 13F portfolio, value $14,355,002.
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: 275,178 shares
- Vanguard Personalized Indexing Management, LLC: 15,868 shares
- Vanguard Global Advisers, LLC: 90,778 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 1,714,380 shares
- VANGUARD PORTFOLIO MANAGEMENT LLC: 586,974 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 2,742,546 shares
Change vs previous 13F +64,902 shares
<0.01% of the 13F portfolio, value $16,756,957.
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
- VANGUARD GROUP INC: 2,723,750 shares
- Vanguard Personalized Indexing Management, LLC: 18,796 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 2,677,644 shares
Change vs previous 13F +142,306 shares
<0.01% of the 13F portfolio, value $24,500,443.
13F-HR 0000102909-25-000353 filed by VANGUARD GROUP INC
Filed 2025-11-07 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC
- VANGUARD GROUP INC: 2,655,942 shares
- Vanguard Personalized Indexing Management, LLC: 21,702 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 2,535,338 shares
Change vs previous 13F +27,097 shares
<0.01% of the 13F portfolio, value $16,530,404.
13F-HR 0001752724-25-185843 filed by VANGUARD GROUP INC
Filed 2025-08-11 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC
- VANGUARD GROUP INC: 2,513,906 shares
- Vanguard Personalized Indexing Management, LLC: 21,432 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 2,508,241 shares
Change vs previous 13F +15,585 shares
<0.01% of the 13F portfolio, value $13,745,161.
13F-HR 0001752724-25-099331 filed by VANGUARD GROUP INC
Filed 2025-05-09 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC
- VANGUARD GROUP INC: 2,493,425 shares
- Vanguard Personalized Indexing Management, LLC: 14,816 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 2,492,656 shares
Change vs previous 13F -73,541 shares
<0.01% of the 13F portfolio, value $14,980,861.
13F-HR 0001752724-25-022205 filed by VANGUARD GROUP INC
Filed 2025-02-11 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC
- VANGUARD GROUP INC: 2,482,608 shares
- Vanguard Personalized Indexing Management, LLC: 10,048 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 2,566,197 shares
Change vs previous 13F not available
<0.01% of the 13F portfolio, value $17,321,830.
13F-HR 0001752724-24-248565 filed by VANGUARD GROUP INC
Filed 2024-11-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
Acceptance time not in the bulk data set (spec §4.2).