We just covered the From Fired Researcher to $13.7 Billion King: How Leopold Aschenbrenner Broke the Hedge Fund World and Lumentum Holdings Inc. (NASDAQ:LITE) ranks 30th on this list.
Filings for the first quarter of 2026 show that Leopold Aschenbrenner has sold off the stake his hedge fund had in Lumentum Holdings Inc. (NASDAQ:LITE)
In the fourth quarter of 2025, the fund owned 1.3 million shares in the company. Lumentum manufactures and sells optical and photonic products in the Americas, the Asia-Pacific, Europe, the Middle East, and Africa. Over the past six months, the shares have rallied close to 170%.
Even during a massive macro-tailwinds period for artificial intelligence networks, the internal operational momentum of the firm is flashing subtle warning signs that top-line growth is hitting a localized ceiling. Mark Cuban Stock Portfolio: 8 Best Stocks to Buy. In the Q3 FY2026 print, Lumentum Holdings Inc. (NASDAQ:LITE) reported net revenue of $808.4 million.