5 Best Liquid Cooling Stocks to Buy for AI Data Centers

In this piece we will look at the 5 Best Liquid Cooling Stocks to Buy for AI Data Centers. Please visit  7 Best Liquid Cooling Stocks to Buy for AI Data Centers if you’d like to see an extended list and how we came up with the list of Best Liquid Cooling Stocks to Buy for AI Data Centers.

​5. Parker-Hannifin Corporation (NYSE:PH)

Number of Hedge Fund Holders: 64

​Parker-Hannifin Corporation (NYSE:PH) ranks among our Best Liquid Cooling Stocks to Buy for AI Data Centers. Recently, on May 7, JPMorgan analyst Stephen Tusa lowered the firm’s price target on the stock from $1,100 to $1,060, while keeping an Overweight rating on the shares.

​The rating follows Parker-Hannifin Corporation (NYSE:PH)’s FQ3 2026 earnings, released on April 30. During the quarter, the company posted $5.49 billion in revenue, reflecting 10.6% year-over-year growth and ahead of expectations by $87.3 million. Moreover, the GAAP EPS of $7.06 also topped the consensus by $0.25.

​The sales of around $5.5 billion were a record high, driven 2.5% by favorable currency rate and 1.5% by acquisitions. Notably, the Aerospace backlog increased 15% year-over-year to $8.4 billion, with order growth of 14%, and double-digit OEM and aftermarket orders. Management has raised organic sales growth guidance for 2026 to 5.5% and adjusted EPS midpoint guidance by $0.50 to $31.20.

​Parker-Hannifin Corporation (NYSE:PH) provides motion and control technologies, designing and manufacturing highly engineered components and systems that manage mechanical motion, fluids (liquids and gases), and thermal loads across a wide range of industries. Within data centers, the company offers core components rather than full‑stack cooling systems. Its data‑center‑related offerings are mainly in liquid‑cooling couplings, fluid‑control valves, and cold‑plate and refrigerant‑loop components.