Latest Period
Q2 2026
Security Snapshot
Sixth Street Specialty Lending, Inc. - common stock (TSLX) Institutional Ownership
CUSIP: 83012A109
13F Institutional Holders and Ownership History from Q2 2020 to Q2 2026
Institutions Reporting
241
Shares (Excl. Options)
52,227,906
Price
$17.17
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- Security type / class
- Equity / common stock
- Symbol
- TSLX on NYSE
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 52,227,906
- Total 13F value
- $896,700,167
- Portfolio coverage rank
- 0%
- Share change
- +279,896
- Value change
- +$2,742,379
- Number of holders
- 241
- Shares outstanding
- 94,754,549
- SEC-reported price per share
- $17.24
- Insider filing price
- $17.24
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- TSLX - Sixth Street Specialty Lending, Inc. - common stock is tracked under CUSIP 83012A109.
- 241 institutions reported positions in Q2 2026.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 259 to 241 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $955,280,051 to $896,700,167.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 241 institutions filings for Q2 2026.
Security key
83012A109
Latest holder period
Q2 2026
13F holders
241
13D/G owners
0
CIK / CUSIP context first
Open Q2 2026 holders
TSLX full holder history
Sixth Street Specialty Lending, Inc. SEC filings
Sixth Street Specialty Lending, Inc. company facts
Sixth Street Specialty Lending, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 83012A109:
As of 30 Jun 2026, 241 institutional investors reported holding 52,227,906 shares of Sixth Street Specialty Lending, Inc. - common stock (TSLX). This represents 55% of the company’s total 94,754,549 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
40%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| STRS OHIO | 6.4% | 6,029,281 | +39% | 0.39% | $103,522,762 |
| Sixth Street Partners Management Company, L.P. | 2.9% | 2,714,226 | 0% | 8% | $46,603,260 |
| Sound Income Strategies, LLC | 2.9% | 2,706,290 | +5.3% | 2.1% | $46,467,004 |
| Progeny 3, Inc. | 2.6% | 2,476,398 | 0% | 2.2% | $42,519,754 |
| UBS Group AG | 2.5% | 2,373,275 | +28% | 0.01% | $40,749,132 |
| VAN ECK ASSOCIATES CORP | 2.5% | 2,366,266 | +28% | 0.02% | $40,628,787 |
| OMERS ADMINISTRATION Corp | 2.1% | 2,012,327 | +2.6% | 0.21% | $34,551,655 |
| ARES MANAGEMENT LLC | 1.5% | 1,404,779 | +3.7% | 1.1% | $24,120,055 |
| Allen Investment Management, LLC | 1.4% | 1,368,939 | -1.9% | 0.28% | $23,504,683 |
| WELLS FARGO & COMPANY/MN | 1.4% | 1,316,091 | -1.7% | 0% | $22,597,274 |
| Cerity Partners LLC | 1.3% | 1,207,716 | +6.3% | 0.03% | $20,736,486 |
| Callodine Capital Management, LP | 1.2% | 1,176,080 | +4.1% | 1.3% | $20,193,294 |
| Muzinich & Co., Inc. | 1.1% | 1,075,226 | +2.7% | 6.3% | $18,461,647 |
| MORGAN STANLEY | 1.1% | 1,069,572 | -19% | 0% | $18,364,554 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 1% | 969,599 | +233% | 0.79% | $16,648,015 |
| Advisors Capital Management, LLC | 0.91% | 864,107 | +10% | 0.16% | $14,836,730 |
| TECTONIC ADVISORS LLC | 0.89% | 845,203 | +16% | 0.7% | $14,512,144 |
| Sumitomo Mitsui Trust Group, Inc. | 0.84% | 792,452 | +2.9% | 0.01% | $13,606,401 |
| LSV ASSET MANAGEMENT | 0.83% | 789,100 | -0% | 0.02% | $13,549,000 |
| Legal & General Group Plc | 0.83% | 787,794 | +7.5% | 0% | $13,526,423 |
| BANK OF AMERICA CORP /DE/ | 0.81% | 764,474 | +3.9% | 0% | $13,126,019 |
| RAYMOND JAMES FINANCIAL INC | 0.78% | 736,813 | -20% | 0% | $12,651,082 |
| FRANKLIN RESOURCES INC | 0.76% | 719,709 | +18% | 0% | $12,357,404 |
| SCS Capital Management LLC | 0.73% | 692,199 | +3.9% | 0.11% | $11,885,058 |
| Pathstone Holdings, LLC | 0.71% | 672,162 | +52% | 0.03% | $11,541,016 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
25
Latest
Q2 2026
Rows shown
1-25 of 25
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 52,227,906 | $896,700,167 | +$2,742,379 | $17.17 | 241 |
| 2026 Q1 | 52,019,001 | $955,280,051 | +$19,680,351 | $18.38 | 259 |
| 2025 Q4 | 50,333,115 | $1,145,203,809 | +$67,933,148 | $21.72 | 258 |
| 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 |