Mariner
BXSL icon

Mariner’s Blackstone Secured Lending BXSL Stock Holding History

Mariner’s Portfolio BXSL Stock Details BXSL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$4.15M Buy
174,944
+43,625
+33% +$1.04M ﹤0.01% 1115
2026
Q1 		$3.11M Buy
131,319
+16,318
+14% +$406K ﹤0.01% 1275
2025
Q4 		$3.03M Buy
115,001
+53,661
+87% +$1.44M ﹤0.01% 1267
2025
Q3 		$1.6M Buy
61,340
+6,116
+11% +$184K ﹤0.01% 1574
2025
Q2 		$1.7M Buy
55,224
+562
+1% +$17.1K ﹤0.01% 1448
2025
Q1 		$1.77M Buy
54,662
+4,156
+8% +$137K ﹤0.01% 1309
2024
Q4 		$1.63M Sell
50,506
-22,285
-31% -$697K ﹤0.01% 1329
2024
Q3 		$2.14M Sell
72,791
-103,259
-59% -$3.12M ﹤0.01% 1153
2024
Q2 		$5.39M Sell
176,050
-47,477
-21% -$1.49M 0.01% 697
2024
Q1 		$6.96M Sell
223,527
-86,489
-28% -$2.53M 0.01% 619
2023
Q4 		$8.57M Sell
310,016
-19,855
-6% -$548K 0.02% 522
2023
Q3 		$9.03M Buy
329,871
+113,332
+52% +$3.14M 0.02% 463
2023
Q2 		$5.92M Buy
216,539
+107,351
+98% +$2.76M 0.02% 592
2023
Q1 		$2.72M Buy
109,188
+32,878
+43% +$806K 0.01% 834
2022
Q4 		$1.71M Sell
76,310
-7,235
-9% -$170K 0.01% 992
2022
Q3 		$1.9M Buy
83,545
+51,352
+160% +$1.22M 0.01% 790
2022
Q2 		$761K Buy
32,193
+11,129
+53% +$289K ﹤0.01% 1003
2022
Q1 		$587K Buy
+21,064
New +$617K ﹤0.01% 1086

Other funds holding BXSL

Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
SO
STRS Ohio Columbus, Ohio $26.7B AUM 43.32% 1-Year Est. Return
Ensign Peak Advisors
Ensign Peak Advisors Salt Lake City, Utah $60.8B AUM 42.06% 1-Year Est. Return
Blackstone Inc
Blackstone Inc New York $32.9B AUM 23.66% 1-Year Est. Return
Nomura Asset Management
Nomura Asset Management Tokyo, Japan $46.7B AUM 50.59% 1-Year Est. Return
GAM
Generali Asset Management Trieste, Italy $5.53B AUM 35.1% 1-Year Est. Return
Corient Private Wealth
Corient Private Wealth Miami, Florida $72.2B AUM 27.85% 1-Year Est. Return

Mariner's BXSL Position: Q2 2026 in Review

Mariner increased its Blackstone Secured Lending (BXSL) stake by 33% in Q2 2026, buying an estimated $1.04M and bringing the position to 174,944 shares worth $4.15M. The position accounts for ﹤0.01% of the portfolio, ranked #1115.

Mariner first reported a position in BXSL in Q1 2022 and has held it in 18 quarters since. The position peaked at $9.03M in Q3 2023. 359 funds tracked by Wall St. Rank hold BXSL as of Q2 2026.

  • Mariner held 174,944 shares of Blackstone Secured Lending worth $4.15M as of Q2 2026.
  • Mariner bought 43,625 Blackstone Secured Lending shares in Q2 2026, an estimated $1.04M.
  • Blackstone Secured Lending made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1115 holding.
  • Mariner first reported a position in Blackstone Secured Lending in Q1 2022 and has held it in 18 quarters since.
  • Mariner's Blackstone Secured Lending position peaked at $9.03M in Q3 2023.
  • 359 funds tracked by Wall St. Rank held Blackstone Secured Lending as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.