VANGUARD GROUP INC: MASI position timeline

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

VANGUARD GROUP INC held 0 MASI 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 0 shares
Change vs previous 13F -4,427,856 shares
13F-HR 0000933478-26-000015 filed by VANGUARD FIDUCIARY TRUST CO
Filed 2026-08-13 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
- VANGUARD FIDUCIARY TRUST CO: 0 shares
- Vanguard Investments Australia, Ltd.: 0 shares
- VANGUARD ASSET MANAGEMENT, Ltd: 0 shares
- Vanguard Personalized Indexing Management, LLC: 0 shares
- Vanguard Global Advisers, LLC: 0 shares
- Vanguard National Trust Co: 0 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 0 shares
- VANGUARD PORTFOLIO MANAGEMENT LLC: 0 shares
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2026-03-31
13F/A 4,427,856 shares
Change vs previous 13F +71,547 shares
0.01% of the 13F portfolio, value $787,582,746.
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: 289,867 shares
- Vanguard Investments Australia, Ltd.: 11,498 shares
- VANGUARD ASSET MANAGEMENT, Ltd: 40,876 shares
- Vanguard Personalized Indexing Management, LLC: 10,251 shares
- Vanguard Global Advisers, LLC: 18,433 shares
- Vanguard National Trust Co: 25 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 2,050,045 shares
- VANGUARD PORTFOLIO MANAGEMENT LLC: 2,006,861 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 4,356,309 shares
Change vs previous 13F -460,495 shares
0.01% of the 13F portfolio, value $566,581,548.
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: 4,348,786 shares
- Vanguard Personalized Indexing Management, LLC: 7,523 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 4,816,804 shares
Change vs previous 13F +172,228 shares
0.01% of the 13F portfolio, value $710,719,430.
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: 4,810,011 shares
- Vanguard Personalized Indexing Management, LLC: 6,793 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 4,644,576 shares
Change vs previous 13F +55,585 shares
0.01% of the 13F portfolio, value $781,310,575.
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: 4,638,135 shares
- Vanguard Personalized Indexing Management, LLC: 6,441 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 4,588,991 shares
Change vs previous 13F -3,403 shares
0.01% of the 13F portfolio, value $764,525,900.
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: 4,583,276 shares
- Vanguard Personalized Indexing Management, LLC: 5,715 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 4,592,394 shares
Change vs previous 13F +66,300 shares
0.01% of the 13F portfolio, value $759,122,729.
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: 4,586,702 shares
- Vanguard Personalized Indexing Management, LLC: 5,692 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 4,526,094 shares
Change vs previous 13F not available
0.01% of the 13F portfolio, value $603,464,113.
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
- VANGUARD GROUP INC: 4,520,487 shares
- Vanguard Personalized Indexing Management, LLC: 5,607 shares
Acceptance time not in the bulk data set (spec §4.2).