Security Snapshot

Sixth Street Specialty Lending, Inc. - COM (TSLX) Institutional Ownership

CUSIP: 83012A109

13F Institutional Holders and Ownership History from Q2 2020 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

254

Shares (Excl. Options)

50,123,794

Price

$21.72

Type / Class
Equity / COM
Symbol
TSLX on NYSE
Price per share
$18.38
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
50,123,794
Total reported value
$1,140,657,357
% of total 13F portfolios
0%
Share change
+3,775,767
Value change
+$66,939,110
Number of holders
254
Price from insider filings
$18.38
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

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Quick Takeaways

  • TSLX - Sixth Street Specialty Lending, Inc. - COM is tracked under CUSIP 83012A109.
  • 254 institutions reported positions in Q4 2025.
  • Schedule 13D/13G significant owner rows are not currently available.

What Changed

  • Holder count moved from 254 to 6 between Q4 2025 and Q1 2026.
  • Reported value moved from $1,140,657,357 to $4,154,040.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Official SEC Source

Backed by Form 13F

Ownership context comes from SEC Form 13F and, when available, Schedule 13D/13G filings.

See Original Filing

Investment Quick Answers

What is CUSIP 83012A109?
CUSIP 83012A109 identifies TSLX - Sixth Street Specialty Lending, Inc. - COM in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

As of 31 Dec 2025, 254 institutional investors reported holding 50,123,794 shares of Sixth Street Specialty Lending, Inc. - COM (TSLX).

Institutional Holders of Sixth Street Specialty Lending, Inc. - COM (TSLX) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 226,063 $4,154,040 -$339,030 $18.38 6
2025 Q4 50,123,794 $1,140,657,357 +$66,939,110 $21.72 254
2025 Q3 48,553,154 $1,174,654,487 -$5,264,110 $22.86 243
2025 Q2 48,778,754 $1,161,571,925 +$29,108,108 $23.81 241
2025 Q1 47,608,532 $1,065,386,349 +$55,235,914 $22.38 233
2024 Q4 45,158,134 $961,884,080 +$17,897,505 $21.30 220
2024 Q3 43,980,378 $903,037,680 +$1,420,918 $20.53 198
2024 Q2 44,980,422 $960,373,810 +$33,033,755 $21.35 222
2024 Q1 43,597,642 $934,302,029 +$57,010,703 $21.43 217
2023 Q4 41,099,304 $887,776,921 +$21,139,742 $21.60 220
2023 Q3 39,380,464 $804,773,517 +$45,308,690 $20.44 203
2023 Q2 37,644,601 $703,608,276 +$69,053,199 $18.69 200
2023 Q1 33,874,930 $619,754,974 -$39,816,290 $18.30 192
2022 Q4 36,046,461 $641,646,665 -$8,457,717 $17.80 190
2022 Q3 36,672,777 $600,721,810 +$19,733,190 $16.34 171
2022 Q2 35,384,480 $654,539,779 -$7,124,632 $18.50 178
2022 Q1 35,516,375 $827,149,945 -$22,120,308 $23.29 169
2021 Q4 36,555,154 $855,043,078 -$14,023,799 $23.39 165
2021 Q3 36,500,539 $810,750,438 +$2,224,021 $22.21 154
2021 Q2 36,401,067 $807,833,999 +$6,427,386 $22.19 154
2021 Q1 36,018,205 $757,985,350 -$16,881,742 $21.03 155
2020 Q4 36,614,389 $759,751,277 -$28,368,264 $20.75 143
2020 Q3 38,270,351 $658,584,716 +$17,045,035 $17.21 130
2020 Q2 37,406,831 $616,767,988 +$616,767,972 $16.49 128

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