Leopold Aschenbrenner doubled down on a company founded in 2005 last quarter He added 115% more to the position he took in Q4 2025 ProPetro Holding $PUMP, they've been pumping high-pressure fluid into oil wells since before their 2017 IPO What changed is PROPWR, their push into on-site power generation for AI data centers Here's what you need to know: • Long-term, 60-megawatt power contract locked with a major AI hyperscaler • 350 megawatts in total contracted capacity across the segment • His stake is now worth $28.1M • Still a small percentage of their business model next to their core hydraulic fracturing business Also worth keeping a mind on: • Morgan Stanley started coverage Monday with an Equal-Weight and a $13 target • Stock sits 43% off its April high • Institutions still own 85% of the float While everyone is buying chip companies, Leopold bought the company selling the generators to keep them running