VANGUARD GROUP INC: AMTX position timeline

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

VANGUARD GROUP INC held 3,914,316 AMTX 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 3,914,316 shares
Change vs previous 13F +865,948 shares
<0.01% of the 13F portfolio, value $6,419,478.
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: 438,939 shares
- Vanguard Personalized Indexing Management, LLC: 17,540 shares
- Vanguard Global Advisers, LLC: 24,235 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 2,991,239 shares
- VANGUARD PORTFOLIO MANAGEMENT LLC: 442,363 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F/A 3,048,368 shares
Change vs previous 13F +99,884 shares
<0.01% of the 13F portfolio, value $9,724,295.
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: 378,103 shares
- Vanguard Personalized Indexing Management, LLC: 11,377 shares
- Vanguard Global Advisers, LLC: 24,235 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 2,634,653 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 2,948,484 shares
Change vs previous 13F +450,186 shares
<0.01% of the 13F portfolio, value $4,098,393.
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: 2,935,000 shares
- Vanguard Personalized Indexing Management, LLC: 13,484 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 2,498,298 shares
Change vs previous 13F +329,284 shares
<0.01% of the 13F portfolio, value $5,621,171.
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: 2,479,163 shares
- Vanguard Personalized Indexing Management, LLC: 19,135 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 2,169,014 shares
Change vs previous 13F -218,594 shares
<0.01% of the 13F portfolio, value $5,379,154.
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: 2,149,403 shares
- Vanguard Personalized Indexing Management, LLC: 19,611 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 2,387,608 shares
Change vs previous 13F +231,662 shares
<0.01% of the 13F portfolio, value $4,154,438.
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: 2,374,417 shares
- Vanguard Personalized Indexing Management, LLC: 13,191 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 2,155,946 shares
Change vs previous 13F +62,301 shares
<0.01% of the 13F portfolio, value $5,799,495.
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
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 2,093,645 shares
Change vs previous 13F not available
<0.01% of the 13F portfolio, value $4,815,384.
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).