Security key
83012A109
Sixth Street Specialty Lending, Inc. - common stock (TSLX)
CUSIP: 83012A109
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / common stock
- Total 13F shares
- 48,553,154
- Total 13F value
- $1,174,654,487
- Share change
- -156,463
- Put/Call ratio
- 91%
- SEC-reported price per share
- $22.86
- Number of holders
- 243
- Value change
- -$5,264,110
- Number of buys
- 125
- Number of sells
- 91
- Shares outstanding
- 94,754,549
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
243
Top holders
10
TSLX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
Sixth Street Specialty Lending, Inc. SEC filings
Sixth Street Specialty Lending, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 83012A109
Recent filing periods:
Ownership snapshot
Top reported holders of TSLX - Sixth Street Specialty Lending, Inc. - common stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
STRS OHIO
Disclosed value leader
STRS OHIO
Comparable rows
0/15
Latest evidence
30 Jun 2025
13F
Highest disclosed value: $75,634,992
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
STRS OHIO has the largest disclosed position value at $75.63M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens STRS OHIO's linked filing trail.
Disclosed position value
Top 5
STRS OHIO
$75.63M
Union Bancaire Privee, UBP SA
$65.56M
Sixth Street Partners Management ...
$64.63M
Progeny 3, Inc.
$58.96M
Sound Income Strategies, LLC
$57.29M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| STRS OHIO |
13F
Company
|
—
denominator unverified
|
$75,634,992
3,176,606 shares
|
— | 30 Jun 2025 |
| Union Bancaire Privee, UBP SA |
13F
Company
|
—
denominator unverified
|
$65,559,365
19,319 shares
|
— | 30 Jun 2025 |
| Sixth Street Partners Management Company, L.P. |
13F
Company
|
—
denominator unverified
|
$64,625,721
2,714,226 shares
|
— | 30 Jun 2025 |
| Progeny 3, Inc. |
13F
Company
|
—
denominator unverified
|
$58,963,040
2,476,398 shares
|
— | 30 Jun 2025 |
| Sound Income Strategies, LLC |
13F
Company
|
—
denominator unverified
|
$57,293,903
2,406,296 shares
|
— | 30 Jun 2025 |
| Burgundy Asset Management Ltd. |
13F
Company
|
—
denominator unverified
|
$56,643,228
2,378,968 shares
|
— | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
243
Shares
48,553,154
Rows available
243
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
241
Q3 2025 holders
243
Holder diff
2
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend