Prosperity Bancshares, Inc.
US ˙ NYSE ˙ US7436061052

SecurityPB / Prosperity Bancshares, Inc.
InstitutionCerity Partners LLC
Latest Disclosed Ownership180,311 shares
Latest Disclosed Value $ 12,113,275
Cerity Partners LLC reports 17.59% increase in ownership of PB / Prosperity Bancshares, Inc.

On May 15, 2026 - Cerity Partners LLC filed a 13F-HR form disclosing ownership of 180,311 shares of Prosperity Bancshares, Inc. (US:PB) valued at $12,113,293 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 153,335 shares of Prosperity Bancshares, Inc.. This represents a change in shares of 17.59% during the quarter. The current value of the position is $12,180,008 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F PROSPERITY BANCSHARES COM 743606105 180,311 26,976 17.59 12,113 14.31 0.0171
2026-02-11 2025-12-31 13F PROSPERITY BANCSHARES COM 743606105 153,335 95,450 164.90 10,597 175.96 0.0154
2025-10-22 2025-09-30 13F PROSPERITY BANCSHARES COM 743606105 57,885 38,723 202.08 3,841 185.50 0.0062
2025-08-13 2025-06-30 13F PROSPERITY BANCSHARES Stock 743606105 19,162 12,958 208.87 1,346 204.30 0.0024
2025-04-30 2025-03-31 13F PROSPERITY BANCSHARES Stock 743606105 6,204 119 1.96 443 -2.00 0.0009
2025-02-13 2024-12-31 13F PROSPERITY BANCSHARES Stock 743606105 6,085 -197 -3.14 451 -0.22 0.0010
2024-11-12 2024-09-30 13F PROSPERITY BANCSHARES Stock 743606105 6,282 1,157 22.58 453 44.41 0.0010
2024-08-13 2024-06-30 13F PROSPERITY BANCSHARES Stock 743606105 5,125 -480 -8.56 313 -14.95 0.0008
2024-05-14 2024-03-31 13F PROSPERITY BANCSHARES Stock 743606105 5,605 5,605 369 0.0010
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.