Blackstone Mortgage Trust, Inc. (BXMT) Institutional Ownership

Ownership Summary

A total of 316 institutions have reported a stake in Blackstone Mortgage Trust, Inc. (NYSE:BXMT) as of September 2025, according to recent 13F filings with the SEC.

• These investors collectively held 59.9% of the company's total shares outstanding in September 2025, down from 62.3% in June 2025.
• On a quarter-over-quarter basis, institutional holdings shifted by -1.44%, with a year-over-year a decrease of 3.66% in the count of filers.
• The latest 13F cycle for Blackstone Mortgage Trust reveals that of 316 total investors, 142 funds grew their exposure, whereas 104 reduced theirs and 70 made no changes.
• Collectively, institutional investors decreased their stake in Blackstone Mortgage Trust to 101.94Mn shares as of September 2025, a change that is down by 1.49Mn shares quarter on quarter and down 7.73Mn shares year over year.
• With 24.34Mn shares, BlackRock, Inc. commands the largest institutional position in Blackstone Mortgage Trust as of September 30, 2025, equating to 14.30% of the company.
• Among the most significant buyers of Blackstone Mortgage Trust during September 2025 were UBS Group AG (707.59K), CITADEL ADVISORS LLC (482.45K), Invesco Ltd. (446.84K), Bright Futures Wealth Management, LLC. (162.49K), JPMORGAN CHASE & CO (155.42K).
• Leading sellers of Blackstone Mortgage Trust stock in September 2025 included BlackRock, Inc. (2.17Mn), VANGUARD GROUP INC (539.85K), MORGAN STANLEY (415.55K), STATE STREET CORP (216.99K), TUDOR INVESTMENT CORP ET AL (187.90K).
• The top 10 institutional holders of Blackstone Mortgage Trust for the quarter ending September 2025 included BlackRock, Inc. (24.34Mn), VANGUARD GROUP INC (17.28Mn), Blackstone Inc. (8.60Mn), STATE STREET CORP (6.16Mn), GEODE CAPITAL MANAGEMENT, LLC (3.99Mn), UBS Group AG (3.08Mn), CHARLES SCHWAB INVESTMENT MANAGEMENT INC (2.47Mn), MORGAN STANLEY (2.30Mn), NORTHERN TRUST CORP (1.91Mn), BAMCO INC /NY/ (1.70Mn).