Quick Takeaways
- VANGUARD PORTFOLIO MANAGEMENT LLC filed SCHEDULE 13G for Prosperity Bancshares Inc Common Stock (PB).
- Disclosed ownership: 5.5%.
- Date of event: 31 Mar 2026.
Quoteable Key Fact
"VANGUARD PORTFOLIO MANAGEMENT LLC disclosed 5.5% ownership in Prosperity Bancshares Inc Common Stock (PB) on 31 Mar 2026."
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Vanguard Portfolio Management | 5.5% | 5,619,634 | 20,832 | 0 | Ashley Grim | Head of Global Fund Administration |