Invesco and Russell Investments increase major stock holdings

Institutional investors have significantly adjusted their positions in several companies according to recent regulatory filings. Invesco has increased its stake in Strategy Inc. (formerly MicroStrategy) by 42%, bringing its position to approximately $862 million. As of March 31, 2026, Invesco held 8.72 million shares, representing roughly 2.39% ownership. Strategy Inc. maintains a massive Bitcoin treasury, holding 843,775 BTC as of its most recent Q2 earnings report.

Separately, Russell Investments Group Ltd. increased its holdings in GRAIL, Inc. by 255.6% during the second quarter. The firm now owns 28,403 shares, valued at approximately $1.94 million. Other institutional investors, including Bank of America Corp DE, Vanguard Group Inc., and Pictet Asset Management Holding SA, have also reported varying levels of increased or maintained positions in GRAIL, Inc. over recent quarters.