Marshall Wace
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Marshall Wace’s Sixth Street Specialty TSLX Stock Holding History

Marshall Wace’s Portfolio TSLX Stock Details TSLX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-39,941
Closed -$913K – 3489
2025
Q3 		$913K Sell
39,941
-35,870
-47% -$863K ﹤0.01% 1975
2025
Q2 		$1.81M Buy
75,811
+49,362
+187% +$1.08M ﹤0.01% 1605
2025
Q1 		$592K Buy
+26,449
New +$589K ﹤0.01% 2011
2022
Q4 		– Sell
-167,516
Closed -$2.74M – 3432
2022
Q3 		$2.74M Buy
167,516
+117,254
+233% +$2.18M 0.01% 1812
2022
Q2 		$930K Buy
+50,262
New +$1.06M ﹤0.01% 2474
2021
Q2 		– Sell
-16,543
Closed -$348K – 3100
2021
Q1 		$348K Sell
16,543
-44,516
-73% -$956K ﹤0.01% 2077
2020
Q4 		$1.27M Sell
61,059
-138,461
-69% -$2.63M 0.01% 1122
2020
Q3 		$3.43M Buy
199,520
+157,935
+380% +$2.71M 0.02% 644
2020
Q2 		$686K Buy
+41,585
New +$691K ﹤0.01% 1106
2020
Q1 		– Sell
-36,007
Closed -$773K – 2067
2019
Q4 		$773K Sell
36,007
-2,641
-7% -$56.2K 0.01% 1045
2019
Q3 		$811K Sell
38,648
-282,869
-88% -$5.74M 0.01% 992
2019
Q2 		$6.3M Sell
321,517
-343,862
-52% -$6.86M 0.05% 415
2019
Q1 		$13.3M Buy
665,379
+662,263
+21,254% +$13.1M 0.13% 208
2018
Q4 		$56K Sell
3,116
-228,279
-99% -$4.53M ﹤0.01% 1437
2018
Q3 		$4.72M Buy
+231,395
New +$4.53M 0.04% 465

Other funds holding TSLX

SSP
Sixth Street Partners Dallas, Texas $579M AUM 2.46% 1-Year Est. Return
SIS
Sound Income Strategies Ft Lauderdale, Florida $2.23B AUM 11.22% 1-Year Est. Return
P3I
Progeny 3 Inc Kirkland, Washington $1.94B AUM 19.13% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
UBP
Union Bancaire Privee Geneva 1, Switzerland $9.16B AUM 31.4% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $304B AUM 35.64% 1-Year Est. Return
SO
STRS Ohio Columbus, Ohio $26.7B AUM 43.32% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
AIM
Allen Investment Management New York $8.43B AUM 20.31% 1-Year Est. Return

Marshall Wace's TSLX Position: Q4 2025 in Review

Marshall Wace sold out of Sixth Street Specialty (TSLX) in Q4 2025, closing a stake of 39,941 shares — an estimated $913K sold.

Marshall Wace first reported a position in TSLX in Q3 2018 and held it in 15 quarters. The position peaked at $13.3M in Q1 2019. 258 funds tracked by Wall St. Rank hold TSLX as of Q4 2025.

  • Marshall Wace reported no remaining Sixth Street Specialty position as of Q4 2025 after selling out during the quarter.
  • Marshall Wace sold 39,941 Sixth Street Specialty shares in Q4 2025, an estimated $913K.
  • Marshall Wace first reported a position in Sixth Street Specialty in Q3 2018 and held it in 15 quarters.
  • Marshall Wace's Sixth Street Specialty position peaked at $13.3M in Q1 2019.
  • 258 funds tracked by Wall St. Rank held Sixth Street Specialty as of Q4 2025.

Based on Marshall Wace's 13F filing for Q4 2025, filed 13 Feb 2026.