Sixth Street Specialty
TSLX
246 hedge funds and large institutions have $1.18B invested in Sixth Street Specialty in 2025 Q3 according to their latest regulatory filings, with 34 funds opening new positions, 94 increasing their positions, 65 reducing their positions, and 28 closing their positions.
45% more repeat investments, than reductions
Existing positions increased: 94 | Existing positions reduced: 65
41% more call options, than puts
Call options by funds: $3.46M | Put options by funds: $2.45M
21% more first-time investments, than exits
New positions opened: 34 | Existing positions closed: 28
0% more funds holding
Funds holding: 245 → 246 (+1)
0.33% less ownership
Funds ownership: 52.02% → 51.69% (-0.33%)
4% less capital invested
Capital invested by funds: $1.23B → $1.18B (-$50.8M)
14% less funds holding in top 10
Funds holding in top 10: 7 → 6 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TA
Tectonic Advisors
Frisco,
Texas
|
+$13.4M |
| 2 |
VanEck Associates
New York
|
+$9.27M |
| 3 |
AI
Atom Investors
Austin,
Texas
|
+$4.51M |
| 4 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
+$3.49M |
| 5 |
MC
Muzinich & Co
New York
|
+$3.33M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SO
STRS Ohio
Columbus,
Ohio
|
-$25.8M |
| 2 |
1832 Asset Management
Toronto,
Ontario, Canada
|
-$9.41M |
| 3 |
LCP
LGT Capital Partners
Pfaeffikon,
Switzerland
|
-$8.01M |
| 4 |
RRA
Round Rock Advisors
Wilton,
Connecticut
|
-$6.69M |
| 5 |
CCM
Callodine Capital Management
Boston,
Massachusetts
|
-$4.65M |
TSLX Hedge Fund Activity: Q3 2025 in Review
246 of the 7,638 institutional investors tracked by Wall St. Rank reported a position in Sixth Street Specialty (TSLX) for Q3 2025, worth a combined $1.18B — down 4.1% from $1.23B a quarter earlier.
Buyers outnumbered sellers: 34 funds opened new TSLX positions and 28 closed out — a net gain of 6 holders — while 94 added to existing stakes and 65 trimmed.
The largest buyer was Tectonic Advisors, opening a new position worth an estimated $13.4M. The largest seller was STRS Ohio, cutting an estimated $25.8M.
- 246 institutional investors held Sixth Street Specialty (TSLX) as of Q3 2025, up from 245 in Q2 2025.
- Funds reported $1.18B of Sixth Street Specialty stock for Q3 2025, down 4.1% quarter-over-quarter.
- 34 funds opened new Sixth Street Specialty positions in Q3 2025 and 28 closed out, a net change of +6 holders.
- The largest Sixth Street Specialty buyer in Q3 2025 was Tectonic Advisors, an estimated $13.4M added.
- The largest Sixth Street Specialty seller in Q3 2025 was STRS Ohio, an estimated $25.8M sold.
Based on aggregated 13F filings for Q3 2025.