American Century Companies Boosts Stake in Prosperity Bancshares

Asset manager increases holding in Texas-based bank by nearly 50%

Published on Mar. 2, 2026

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American Century Companies Inc. has increased its stake in Prosperity Bancshares, Inc. (NYSE:PB) by 48.7% in the third quarter, according to a recent SEC filing. The asset management firm now owns approximately 2.1 million shares of the Texas-based bank, representing around 2.23% of Prosperity Bancshares' total outstanding stock.

Why it matters

This move by American Century Companies signals their confidence in Prosperity Bancshares' long-term growth potential. As one of the bank's largest institutional investors, American Century's increased stake could provide a boost to Prosperity Bancshares' stock price and visibility among investors.

The details

According to the SEC filing, American Century Companies purchased an additional 695,114 shares of Prosperity Bancshares during the third quarter, bringing their total holdings to 2,122,031 shares. This represents a 48.7% increase in their position. Prosperity Bancshares, headquartered in McKinney, Texas, operates a network of branches across the state as well as in Oklahoma, Arkansas, and Louisiana, offering a range of commercial and consumer banking services.

  • American Century Companies increased its stake in Prosperity Bancshares in the third quarter of 2026.

The players

American Century Companies Inc.

An asset management firm that has increased its stake in Prosperity Bancshares to become one of the bank's largest institutional investors.

Prosperity Bancshares, Inc.

A Texas-based bank that operates a network of branches across several states, offering commercial and consumer banking services.

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The takeaway

American Century Companies' increased investment in Prosperity Bancshares suggests the asset manager sees strong growth potential in the regional bank. This move could provide a boost to Prosperity Bancshares' stock price and visibility among investors.