Sixth Street Specialty
TSLX
258 hedge funds and large institutions have $1.15B invested in Sixth Street Specialty in 2025 Q4 according to their latest regulatory filings, with 38 funds opening new positions, 103 increasing their positions, 67 reducing their positions, and 23 closing their positions.
244% more call options, than puts
Call options by funds: $1.92M | Put options by funds: $560K
65% more first-time investments, than exits
New positions opened: 38 | Existing positions closed: 23
54% more repeat investments, than reductions
Existing positions increased: 103 | Existing positions reduced: 67
33% more funds holding in top 10
Funds holding in top 10: 6 → 8 (+2)
5% more funds holding
Funds holding: 246 → 258 (+12)
1.58% more ownership
Funds ownership: 51.69% → 53.27% (+1.6%)
3% less capital invested
Capital invested by funds: $1.18B → $1.15B (-$33.1M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of Montreal
Toronto,
Ontario, Canada
|
+$40.2M |
| 2 |
Morgan Stanley
New York
|
+$8.43M |
| 3 |
Goldman Sachs
New York
|
+$6.97M |
| 4 |
AS
Altshuler Shaham
Tel Aviv,
Israel
|
+$6.58M |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$6.53M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Two Sigma Advisers
New York
|
-$5.74M |
| 2 |
VanEck Associates
New York
|
-$4.08M |
| 3 |
LSV Asset Management
Chicago,
Illinois
|
-$3.96M |
| 4 |
Two Sigma Investments
New York
|
-$3.86M |
| 5 |
HF
HRT Financial
New York
|
-$3.71M |
TSLX Hedge Fund Activity: Q4 2025 in Review
258 of the 7,941 institutional investors tracked by Wall St. Rank reported a position in Sixth Street Specialty (TSLX) for Q4 2025, worth a combined $1.15B — down 2.8% from $1.18B a quarter earlier.
Buyers outnumbered sellers: 38 funds opened new TSLX positions and 23 closed out — a net gain of 15 holders — while 103 added to existing stakes and 67 trimmed.
The largest buyer was Bank of Montreal, adding an estimated $40.2M. The largest seller was Two Sigma Advisers, cutting an estimated $5.74M.
- 258 institutional investors held Sixth Street Specialty (TSLX) as of Q4 2025, up from 246 in Q3 2025.
- Funds reported $1.15B of Sixth Street Specialty stock for Q4 2025, down 2.8% quarter-over-quarter.
- 38 funds opened new Sixth Street Specialty positions in Q4 2025 and 23 closed out, a net change of +15 holders.
- The largest Sixth Street Specialty buyer in Q4 2025 was Bank of Montreal, an estimated $40.2M added.
- The largest Sixth Street Specialty seller in Q4 2025 was Two Sigma Advisers, an estimated $5.74M sold.
Based on aggregated 13F filings for Q4 2025.