Activist investor Jana Partners has acquired a stake in Fiserv, a payments company, and is advocating for strategic changes to improve its stock performance. Wall Street Journal (Markets) posted on X, highlighting Jana Partners' efforts to address the company's underperformance in the market. The investment firm is known for its active involvement in influencing corporate strategies to unlock shareholder value. Jana Partners' move comes amid a broader trend of activist investors seeking to drive changes in companies they believe are undervalued or mismanaged. Fiserv, which provides financial services technology solutions, has faced challenges in maintaining competitive growth and profitability. Jana Partners aims to work with Fiserv's management to implement measures that could enhance operational efficiency and market positioning. The specifics of the proposed changes have not been disclosed, but the involvement of Jana Partners signals potential shifts in Fiserv's strategic direction. Investors and market analysts are closely monitoring the situation to assess the impact on Fiserv's future performance and shareholder returns.