AbbVie Inc. (NYSE:ABBV) is one of Billionaire Ken Fisher’s 15 Most Notable Moves for 2026. AbbVie Inc. (NYSE:ABBV) is a constant part of the 13F portfolio of Fisher Asset Management since the start of 2013. Even though the fund trimmed this stake substantially around 2020, it has started buying shares of the company again since early 2025. In the last quarter of 2025, the fund upped the stake in AbbVie by 128% compared to third quarter filings. The holding now comprises close to 630,000 shares. In 2021, j ...