Blackstone Mortgage Trust
BXMT
341 hedge funds and large institutions have $2.01B invested in Blackstone Mortgage Trust in 2025 Q4 according to their latest regulatory filings, with 53 funds opening new positions, 127 increasing their positions, 105 reducing their positions, and 29 closing their positions.
83% more first-time investments, than exits
New positions opened: 53 | Existing positions closed: 29
21% more repeat investments, than reductions
Existing positions increased: 127 | Existing positions reduced: 105
7% more capital invested
Capital invested by funds: $1.88B → $2.01B (+$136M)
7% more funds holding
Funds holding: 320 → 341 (+21)
3.32% more ownership
Funds ownership: 59.38% → 62.71% (+3.3%)
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
76% less call options, than puts
Call options by funds: $24.1M | Put options by funds: $101M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$13.2M |
| 2 |
Blackstone Inc
New York
|
+$12.9M |
| 3 |
Jane Street
New York
|
+$9.15M |
| 4 |
D.E. Shaw & Co
New York
|
+$8.23M |
| 5 |
UBS AM
Chicago,
Illinois
|
+$7.66M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$29M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
-$6.29M |
| 3 |
1832 Asset Management
Toronto,
Ontario, Canada
|
-$5.52M |
| 4 |
JP Morgan Chase
New York
|
-$3.52M |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$3.17M |
BXMT Hedge Fund Activity: Q4 2025 in Review
341 of the 8,264 institutional investors tracked by Wall St. Rank reported a position in Blackstone Mortgage Trust (BXMT) for Q4 2025, worth a combined $2.01B — up 7.2% from $1.88B a quarter earlier.
Buyers outnumbered sellers: 53 funds opened new BXMT positions and 29 closed out — a net gain of 24 holders — while 127 added to existing stakes and 105 trimmed.
The largest buyer was Qube Research & Technologies (QRT), adding an estimated $13.2M. The largest seller was UBS Group, cutting an estimated $29M.
- 341 institutional investors held Blackstone Mortgage Trust (BXMT) as of Q4 2025, up from 320 in Q3 2025.
- Funds reported $2.01B of Blackstone Mortgage Trust stock for Q4 2025, up 7.2% quarter-over-quarter.
- 53 funds opened new Blackstone Mortgage Trust positions in Q4 2025 and 29 closed out, a net change of +24 holders.
- The largest Blackstone Mortgage Trust buyer in Q4 2025 was Qube Research & Technologies (QRT), an estimated $13.2M added.
- The largest Blackstone Mortgage Trust seller in Q4 2025 was UBS Group, an estimated $29M sold.
Based on aggregated 13F filings for Q4 2025.