Shares of KBR, Inc. (NYSE:KBR) jumped 5% today on news that Irenic Capital Management, an activist investor, is urging the company to split its business in two. Irenic has quietly built a 1% stake in the $7.5 billion engineering giant, calling for the spin-off of KBR's sustainable technology solutions unita division punching far above its weight in profitability despite contributing less than a quarter of total revenue. The rationale? Separate the segments to unlock up to 50% more shareholder value. Wall Street's all ears, especially with federal spending cuts looming large under President-elect Donald Trump's advisory commission, led by Elon Musk and Vivek Ramaswamy.

• Warning! GuruFocus has detected 3 Warning Sign with KBR.

KBR isn't just sitting still, though. This week, the company announced a landmark deal with KazAzot to deliver cutting-edge ammonia tech for Kazakhstan's first world-scale fertilizer complex. KBR's Purifier ammonia technology promises to boost efficiency and slash carbon emissions, cementing the sustainable solutions segment as a global powerhouse. But here's the catch: investors are spooked by the government unit's exposure to potential federal budget slashes, which has dragged KBR's stock down 17% since Trump's election. Irenic thinks the market's missing the pointthis tech-forward segment deserves to shine on its own.

This isn't Irenic's first rodeo. Founded in 2021, the firm has a track record of shaking things up, from securing board seats at Theravance Biopharma to orchestrating Barnes' takeover by Apollo Global Management. Now they're turning their attention to KBR, betting that splitting the company could amplify growth for both segments. Investors are watching closely, and with federal spending fears and activist heat in play, KBR's story just got a whole lot more interesting.