Blackstone Secured Lending Fund (BXSL) Institutional Ownership

Ownership Summary

Blackstone Secured Lending Fund (NYSE:BXSL) appears in 377 institutional 13F filings for the quarter ending December 2025.

• Collectively, these holders controlled 35.8% of Blackstone Secured Lending Fund's outstanding shares in December 2025, down from 38.1% in September 2025.
• They increased total shares held in Blackstone Secured Lending Fund by 0.7% from the prior quarter, while the number of investors in BXSL increased 2.72% year over year.
• Of these 377 funds, 185 grew their exposure to Blackstone Secured Lending Fund, 144 cut back, and 48 maintained positions.
• Altogether, these fund groups held 82.44Mn shares in BXSL by December 2025, up by 569.79K shares quarter on quarter, and down 15.26Mn shares year over year.
• As of December 31, 2025, Morgan Stanley held the largest stake in Blackstone Secured Lending Fund with 6.0Mn shares, accounting for 2.6% of total shares outstanding.
• The most significant purchases of BXSL for the quarter ending December 2025 came from STRS OHIO (4.0Mn), Ensign Peak Advisors, Inc (2.6Mn), Quantum Portfolio Management LLC (1.6Mn), KING STREET CAPITAL MANAGEMENT, L.P. (1.25Mn), SOROS FUND MANAGEMENT LLC (867.5K).
• The largest sellers of Blackstone Secured Lending Fund for the quarter ending December 2025 were Corient Private Wealth LLC (3.47Mn), VAN ECK ASSOCIATES CORP (3.03Mn), Advisors Capital Management, LLC (566.26K), FMR LLC (503.95K), TWO SIGMA INVESTMENTS, LP (499.13K).
• According to Business Quant data, leading holders of BXSL for December 2025 are Morgan Stanley (6.0Mn), Bank Of America Corp /De/ (5.76Mn), UBS Group AG (4.73Mn), STRS OHIO (4.0Mn), NOMURA ASSET MANAGEMENT CO LTD (3.56Mn), Blackstone Inc. (3.21Mn), Ensign Peak Advisors, Inc (2.6Mn), Corient Private Wealth LLC (2.53Mn), Generali Asset Management SPA SGR (2.52Mn), OMERS ADMINISTRATION Corp (2.22Mn).