VANGUARD GROUP INC: MTSI position timeline

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

VANGUARD GROUP INC held 7,209,631 MTSI 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 7,209,631 shares
Change vs previous 13F +115,319 shares
0.04% of the 13F portfolio, value $2,742,327,345.
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: 426,467 shares
- Vanguard Investments Australia, Ltd.: 17,153 shares
- VANGUARD ASSET MANAGEMENT, Ltd: 56,643 shares
- Vanguard Personalized Indexing Management, LLC: 13,061 shares
- Vanguard Global Advisers, LLC: 26,300 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 3,064,683 shares
- VANGUARD PORTFOLIO MANAGEMENT LLC: 3,605,324 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F/A 7,094,312 shares
Change vs previous 13F -143,064 shares
0.02% of the 13F portfolio, value $1,575,433,867.
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: 405,532 shares
- Vanguard Investments Australia, Ltd.: 16,925 shares
- VANGUARD ASSET MANAGEMENT, Ltd: 52,135 shares
- Vanguard Personalized Indexing Management, LLC: 12,850 shares
- Vanguard Global Advisers, LLC: 26,938 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 2,992,851 shares
- VANGUARD PORTFOLIO MANAGEMENT LLC: 3,587,081 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 7,237,376 shares
Change vs previous 13F +158,345 shares
0.02% of the 13F portfolio, value $1,239,617,762.
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: 7,225,100 shares
- Vanguard Personalized Indexing Management, LLC: 12,276 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 7,079,031 shares
Change vs previous 13F +392,043 shares
0.01% of the 13F portfolio, value $881,268,633.
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: 7,067,757 shares
- Vanguard Personalized Indexing Management, LLC: 11,274 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 6,686,988 shares
Change vs previous 13F +31,401 shares
0.02% of the 13F portfolio, value $958,178,583.
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: 6,675,392 shares
- Vanguard Personalized Indexing Management, LLC: 11,596 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 6,655,587 shares
Change vs previous 13F +128,936 shares
0.01% of the 13F portfolio, value $668,087,822.
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: 6,646,452 shares
- Vanguard Personalized Indexing Management, LLC: 9,135 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 6,526,651 shares
Change vs previous 13F +369,621 shares
0.01% of the 13F portfolio, value $847,877,102.
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: 6,517,251 shares
- Vanguard Personalized Indexing Management, LLC: 9,400 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 6,157,030 shares
Change vs previous 13F not available
0.01% of the 13F portfolio, value $685,031,157.
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: 6,148,272 shares
- Vanguard Personalized Indexing Management, LLC: 8,758 shares
Acceptance time not in the bulk data set (spec §4.2).