VANGUARD GROUP INC: IOSP position timeline

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

VANGUARD GROUP INC held 3,190,643 IOSP 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 3,190,643 shares
Change vs previous 13F +19,905 shares
<0.01% of the 13F portfolio, value $259,686,433.
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: 163,715 shares
- Vanguard Investments Australia, Ltd.: 5,396 shares
- VANGUARD ASSET MANAGEMENT, Ltd: 19,560 shares
- Vanguard Global Advisers, LLC: 9,331 shares
- Vanguard National Trust Co: 290 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 1,108,107 shares
- VANGUARD PORTFOLIO MANAGEMENT LLC: 1,884,244 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F/A 3,170,738 shares
Change vs previous 13F +49,587 shares
<0.01% of the 13F portfolio, value $231,527,290.
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: 160,752 shares
- Vanguard Investments Australia, Ltd.: 7,935 shares
- VANGUARD ASSET MANAGEMENT, Ltd: 17,279 shares
- Vanguard Global Advisers, LLC: 9,793 shares
- Vanguard National Trust Co: 290 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 1,114,598 shares
- VANGUARD PORTFOLIO MANAGEMENT LLC: 1,860,091 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 3,121,151 shares
Change vs previous 13F -22,271 shares
<0.01% of the 13F portfolio, value $238,892,898.
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 3,143,422 shares
Change vs previous 13F -19,519 shares
<0.01% of the 13F portfolio, value $242,546,441.
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 3,162,941 shares
Change vs previous 13F -47,827 shares
<0.01% of the 13F portfolio, value $265,971,708.
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 3,210,768 shares
Change vs previous 13F +30,031 shares
0.01% of the 13F portfolio, value $304,220,269.
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 3,180,737 shares
Change vs previous 13F +7,100 shares
0.01% of the 13F portfolio, value $350,071,914.
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 3,173,637 shares
Change vs previous 13F not available
0.01% of the 13F portfolio, value $358,906,608.
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).