American Bitcoin Corp. (ABTC) Institutional Ownership

Ownership Summary

American Bitcoin Corp. (NASDAQ:ABTC) has 127 institutional investors that have filed 13F reports for the period ending December 2025.

• They owned 3.8% of outstanding stock in December 2025, down from 5.7% the prior quarter.
• Their total shares held in ABTC increased 1157.28% from the prior quarter, while the number of investors in American Bitcoin stayed flat year over year.
• Of these 127 holders, 103 added to their stakes in American Bitcoin, 9 trimmed positions, and 15 made no changes.
• Combined, these investors held 34.53Mn shares in ABTC for December 2025, up by 31.78Mn shares quarter on quarter, and with no net change year over year.
• As of December 31, 2025, the biggest holder of American Bitcoin is BlackRock, Inc. at 3.65Mn shares, representing 0.41% of shares outstanding.
• Leading buyers of American Bitcoin shares for the quarter ending December 2025 were HRT FINANCIAL LP (2.61Mn), RENAISSANCE TECHNOLOGIES LLC (1.72Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.49Mn), CITADEL ADVISORS LLC (1.25Mn), Pnc Financial Services Group, Inc. (873.36K).
• The biggest sellers of American Bitcoin for the quarter ending December 2025 included CHARLES SCHWAB INVESTMENT MANAGEMENT INC (2.98Mn), TWO SIGMA INVESTMENTS, LP (2.01Mn), State Street Corp (1.73Mn), Caitong International Asset Management Co., Ltd (1.08Mn), SUSQUEHANNA INTERNATIONAL GROUP, LLP (439.67K).
• Business Quant data shows the 10 biggest positions in American Bitcoin as of December 2025 are held by BlackRock, Inc. (3.65Mn), HRT FINANCIAL LP (3.13Mn), Providence Capital Advisors, LLC (2.5Mn), JANE STREET GROUP, LLC (1.87Mn), CITADEL ADVISORS LLC (1.77Mn), RENAISSANCE TECHNOLOGIES LLC (1.72Mn), GEODE CAPITAL MANAGEMENT, LLC (1.69Mn), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (1.68Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.49Mn), UBS Group AG (1.17Mn).