VANGUARD GROUP INC: TNK position timeline

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

VANGUARD GROUP INC held 240,590 TNK 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 240,590 shares
Change vs previous 13F +27,550 shares
<0.01% of the 13F portfolio, value $15,607,074.
13F-HR 0002100121-26-001018 filed by VANGUARD PORTFOLIO 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: 10,219 shares
- Vanguard Global Advisers, LLC: 14,853 shares
- VANGUARD PORTFOLIO MANAGEMENT LLC: 215,518 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F/A 213,040 shares
Change vs previous 13F +148 shares
<0.01% of the 13F portfolio, value $15,620,093.
13F-HR 0002100121-26-000861 filed by VANGUARD PORTFOLIO MANAGEMENT LLC
Filed 2026-05-08 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
- VANGUARD FIDUCIARY TRUST CO: 9,235 shares
- Vanguard Global Advisers, LLC: 14,853 shares
- VANGUARD PORTFOLIO MANAGEMENT LLC: 188,952 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 212,892 shares
Change vs previous 13F +6,307 shares
<0.01% of the 13F portfolio, value $11,372,692.
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).
period ended2025-09-30
13F 206,585 shares
Change vs previous 13F -7,519 shares
<0.01% of the 13F portfolio, value $10,442,872.
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
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 214,104 shares
Change vs previous 13F +1,738 shares
<0.01% of the 13F portfolio, value $8,932,419.
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
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 212,366 shares
Change vs previous 13F -9,288 shares
<0.01% of the 13F portfolio, value $8,127,247.
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 221,654 shares
Change vs previous 13F not available
<0.01% of the 13F portfolio, value $8,819,612.
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).