VANGUARD GROUP INC: OPTT position timeline

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

VANGUARD GROUP INC held 10,360,575 OPTT 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 10,360,575 shares
Change vs previous 13F +692,645 shares
<0.01% of the 13F portfolio, value $2,714,471.
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: 1,387,399 shares
- Vanguard Personalized Indexing Management, LLC: 17,444 shares
- Vanguard Global Advisers, LLC: 36,567 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 8,919,165 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F/A 9,667,930 shares
Change vs previous 13F +2,715,439 shares
<0.01% of the 13F portfolio, value $3,383,775.
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: 1,034,207 shares
- Vanguard Personalized Indexing Management, LLC: 18,634 shares
- Vanguard Global Advisers, LLC: 36,567 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 8,578,522 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 6,952,491 shares
Change vs previous 13F 0 shares
<0.01% of the 13F portfolio, value $2,085,747.
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: 6,935,047 shares
- Vanguard Personalized Indexing Management, LLC: 17,444 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 6,952,491 shares
Change vs previous 13F +549,308 shares
<0.01% of the 13F portfolio, value $3,504,051.
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: 6,935,047 shares
- Vanguard Personalized Indexing Management, LLC: 17,444 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 6,403,183 shares
Change vs previous 13F +146,862 shares
<0.01% of the 13F portfolio, value $3,041,510.
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: 6,385,739 shares
- Vanguard Personalized Indexing Management, LLC: 17,444 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 6,256,321 shares
Change vs previous 13F +3,025,845 shares
<0.01% of the 13F portfolio, value $2,852,883.
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
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 3,230,476 shares
Change vs previous 13F +1,470,761 shares
<0.01% of the 13F portfolio, value $3,295,085.
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 1,759,715 shares
Change vs previous 13F not available
<0.01% of the 13F portfolio, value $274,516.
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).