Mariner
TSLX icon

Mariner’s Sixth Street Specialty TSLX Stock Holding History

Mariner’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
2026
Q2 		$282K Sell
16,405
-10,576
-39% -$189K ﹤0.01% 2889
2026
Q1 		$496K Sell
26,981
-5,161
-16% -$102K ﹤0.01% 2499
2025
Q4 		$698K Sell
32,142
-7,645
-19% -$167K ﹤0.01% 2212
2025
Q3 		$910K Buy
39,787
+1,158
+3% +$27.8K ﹤0.01% 1986
2025
Q2 		$920K Buy
38,629
+4,491
+13% +$98.6K ﹤0.01% 1855
2025
Q1 		$764K Sell
34,138
-5,481
-14% -$122K ﹤0.01% 1876
2024
Q4 		$844K Sell
39,619
-1,260
-3% -$26.1K ﹤0.01% 1771
2024
Q3 		$839K Buy
40,879
+851
+2% +$17.9K ﹤0.01% 1742
2024
Q2 		$855K Buy
40,028
+351
+0.9% +$7.48K ﹤0.01% 1627
2024
Q1 		$850K Sell
39,677
-2,880
-7% -$61.9K ﹤0.01% 1627
2023
Q4 		$919K Buy
42,557
+3,646
+9% +$74.9K ﹤0.01% 1490
2023
Q3 		$795K Buy
38,911
+389
+1% +$7.76K ﹤0.01% 1460
2023
Q2 		$720K Buy
38,522
+1,515
+4% +$27.6K ﹤0.01% 1499
2023
Q1 		$677K Sell
37,007
-375
-1% -$6.96K ﹤0.01% 1510
2022
Q4 		$666K Buy
37,382
+1,398
+4% +$25.1K ﹤0.01% 1477
2022
Q3 		$588K Buy
35,984
+22,704
+171% +$423K ﹤0.01% 1323
2022
Q2 		$246K Buy
+13,280
New +$281K ﹤0.01% 1327
2022
Q1 		– Sell
-10,152
Closed -$237K – 1402
2021
Q4 		$237K Buy
+10,152
New +$238K ﹤0.01% 1137
2021
Q2 		– Sell
-10,412
Closed -$219K – 933
2021
Q1 		$219K Sell
10,412
-1,307
-11% -$28.1K ﹤0.01% 845
2020
Q4 		$243K Buy
+11,719
New +$223K ﹤0.01% 769
2020
Q2 		– Sell
-13,374
Closed -$280K – 763
2020
Q1 		$280K Buy
+13,374
New +$270K ﹤0.01% 659

Other funds holding TSLX

SO
STRS Ohio Columbus, Ohio $26.7B AUM 43.32% 1-Year Est. Return
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
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
OAC
OMERS Administration Corp Toronto, Ontario, Canada $16.7B AUM 35.96% 1-Year Est. Return
AM
Ares Management Los Angeles, California $2.29B AUM 0.27% 1-Year Est. Return
AIM
Allen Investment Management New York $8.43B AUM 20.31% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return

Mariner's TSLX Position: Q2 2026 in Review

Mariner reduced its Sixth Street Specialty (TSLX) stake by 39% in Q2 2026, selling an estimated $189K and leaving 16,405 shares worth $282K. The position accounts for ﹤0.01% of the portfolio, ranked #2889.

Mariner first reported a position in TSLX in Q1 2020 and has held it in 21 quarters since. The position peaked at $920K in Q2 2025. 242 funds tracked by Wall St. Rank hold TSLX as of Q2 2026.

  • Mariner held 16,405 shares of Sixth Street Specialty worth $282K as of Q2 2026.
  • Mariner sold 10,576 Sixth Street Specialty shares in Q2 2026, an estimated $189K.
  • Sixth Street Specialty made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2889 holding.
  • Mariner first reported a position in Sixth Street Specialty in Q1 2020 and has held it in 21 quarters since.
  • Mariner's Sixth Street Specialty position peaked at $920K in Q2 2025.
  • 242 funds tracked by Wall St. Rank held Sixth Street Specialty as of Q2 2026.

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