VANGUARD GROUP INC: OTLK position timeline

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

VANGUARD GROUP INC held 5,103,792 OTLK 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 5,103,792 shares
Change vs previous 13F +2,921,704 shares
<0.01% of the 13F portfolio, value $8,115,029.
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: 661,664 shares
- Vanguard Personalized Indexing Management, LLC: 24,119 shares
- Vanguard Global Advisers, LLC: 41,137 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 4,376,872 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F/A 2,182,088 shares
Change vs previous 13F +701,316 shares
<0.01% of the 13F portfolio, value $449,504.
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: 176,529 shares
- Vanguard Personalized Indexing Management, LLC: 31,492 shares
- Vanguard Global Advisers, LLC: 6,907 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 1,967,160 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 1,480,772 shares
Change vs previous 13F +124,253 shares
<0.01% of the 13F portfolio, value $2,339,620.
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: 1,465,167 shares
- Vanguard Personalized Indexing Management, LLC: 15,605 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 1,356,519 shares
Change vs previous 13F +91,688 shares
<0.01% of the 13F portfolio, value $1,437,911.
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: 1,342,627 shares
- Vanguard Personalized Indexing Management, LLC: 13,892 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 1,264,831 shares
Change vs previous 13F +416,128 shares
<0.01% of the 13F portfolio, value $2,023,730.
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: 1,251,598 shares
- Vanguard Personalized Indexing Management, LLC: 13,233 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 848,703 shares
Change vs previous 13F -15,788 shares
<0.01% of the 13F portfolio, value $1,035,418.
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: 837,407 shares
- Vanguard Personalized Indexing Management, LLC: 11,296 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 864,491 shares
Change vs previous 13F +8,615 shares
<0.01% of the 13F portfolio, value $1,633,887.
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: 852,540 shares
- Vanguard Personalized Indexing Management, LLC: 11,951 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 855,876 shares
Change vs previous 13F not available
<0.01% of the 13F portfolio, value $4,570,378.
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).