13F Insight
DOSSIER · 13F Holders · Q1 2026High-convictionMulti-bagger
BXSL

Blackstone Secured Lending Fund

408 institutions still hold Blackstone Secured Lending Fund as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 09261x102·408 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 3.1%
vs prior quarter
13F value held
$1.3B
59.0% inst. owned
of float
Holders
408
-111 QoQ
filers reporting
Activity
+43 / −97
+957 added · −756 reduced
this quarter
Concentration
10.86%
MORGAN STANLEY #1
top holder share
AI Holders Summary · Q1 2026

408 institutions reported BXSL in Q1 2026. MORGAN STANLEY leads at 10.9% of the visible book. -111 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
MORGAN STANLEY
CIK 0000895421
$142M6.0M0.01%Q1 202602
BANK OF AMERICA CORP /DE/
CIK 0000070858
$136M5.8M0.01%Q1 202603
UBS Group AG
CIK 0001610520
$112M4.7M0.02%Q1 202604
Northeast Financial Consultants Inc
CIK 0001599863
$103M3.4M4.22%Q2 202505
STRS OHIO
CIK 0000820478
$95M4.0M0.38%Q1 202606
NOMURA ASSET MANAGEMENT CO LTD
CIK 0001055964
$84M3.6M0.22%Q1 202607
Blackstone Inc.
CIK 0001393818
$76M3.2M0.30%Q1 202608
Ensign Peak Advisors, Inc
CIK 0001454984
$62M2.6M0.11%Q1 202609
Corient Private Wealth LLC
CIK 0001948780
$60M2.5M0.09%Q1 202610
Generali Asset Management SPA SGR
CIK 0002046751
$60M2.5M1.25%Q1 202611
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$55M2.3M0.01%Q1 202612
OMERS ADMINISTRATION Corp
CIK 0001053321
$53M2.2M0.34%Q1 202613
WELLS FARGO & COMPANY/MN
CIK 0000072971
$48M2.0M0.01%Q1 202614
Sound Income Strategies, LLC
CIK 0001730960
$40M1.7M1.94%Q1 202615
JPMORGAN CHASE & CO
CIK 0000019617
$34M1.4M0.00%Q1 202616
ROYAL BANK OF CANADA
CIK 0001000275
$34M1.4M0.01%Q1 202617
Creative Planning
CIK 0001540235
$32M1.4M0.02%Q1 202618
Muzinich & Co., Inc.
CIK 0001618824
$31M1.2M9.69%Q4 202519
KING STREET CAPITAL MANAGEMENT, L.P.
CIK 0001218199
$30M1.3M9.03%Q1 202620
Cresset Asset Management, LLC
CIK 0001761013
$23M951K0.10%Q1 2026
Page 1 of 21
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