VANGUARD GROUP INC: PROK position timeline

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

VANGUARD GROUP INC held 2,358,562 PROK 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 2,358,562 shares
Change vs previous 13F +639,180 shares
<0.01% of the 13F portfolio, value $4,811,466.
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: 632,149 shares
- Vanguard Global Advisers, LLC: 34,074 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 1,175,257 shares
- VANGUARD PORTFOLIO MANAGEMENT LLC: 517,082 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F/A 1,719,382 shares
Change vs previous 13F +71,153 shares
<0.01% of the 13F portfolio, value $3,077,693.
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: 538,371 shares
- Vanguard Global Advisers, LLC: 34,074 shares
- VANGUARD CAPITAL MANAGEMENT LLC: 1,146,937 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 1,648,229 shares
Change vs previous 13F +84,113 shares
<0.01% of the 13F portfolio, value $3,692,033.
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 1,564,116 shares
Change vs previous 13F not available
<0.01% of the 13F portfolio, value $3,785,161.
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).