State Street Blackstone Senior Loan ETF
SRLN
525 hedge funds and large institutions have $5.1B invested in State Street Blackstone Senior Loan ETF in 2025 Q4 according to their latest regulatory filings, with 84 funds opening new positions, 222 increasing their positions, 165 reducing their positions, and 51 closing their positions.
65% more first-time investments, than exits
New positions opened: 84 | Existing positions closed: 51
35% more repeat investments, than reductions
Existing positions increased: 222 | Existing positions reduced: 165
5% more funds holding
Funds holding: 499 → 525 (+26)
0.73% less ownership
Funds ownership: 78.41% → 77.68% (-0.73%)
6% less capital invested
Capital invested by funds: $5.44B → $5.1B (-$338M)
7% less funds holding in top 10
Funds holding in top 10: 30 → 28 (-2)
21% less call options, than puts
Call options by funds: $2.97M | Put options by funds: $3.76M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$55.7M |
| 2 |
LMGAM
Liberty Mutual Group Asset Management
Boston,
Massachusetts
|
+$35.3M |
| 3 |
DAS
Diversify Advisory Services
Sandy,
Utah
|
+$30.3M |
| 4 |
Morgan Stanley
New York
|
+$29.2M |
| 5 |
State of Wisconsin Investment Board
Madison,
Wisconsin
|
+$25.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CF
Corebridge Financial
Houston,
Texas
|
-$399M |
| 2 |
Neuberger Berman Group
New York
|
-$115M |
| 3 |
Renaissance Technologies
New York
|
-$55.7M |
| 4 |
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Toronto,
Ontario, Canada
|
-$39.6M |
| 5 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
-$18M |
SRLN Hedge Fund Activity: Q4 2025 in Review
525 of the 8,263 institutional investors tracked by Wall St. Rank reported a position in State Street Blackstone Senior Loan ETF (SRLN) for Q4 2025, worth a combined $5.1B — down 6.2% from $5.44B a quarter earlier.
Buyers outnumbered sellers: 84 funds opened new SRLN positions and 51 closed out — a net gain of 33 holders — while 222 added to existing stakes and 165 trimmed.
The largest buyer was Jane Street, opening a new position worth an estimated $55.7M. The largest seller was Corebridge Financial, exiting entirely with an estimated $399M sold.
- 525 institutional investors held State Street Blackstone Senior Loan ETF (SRLN) as of Q4 2025, up from 499 in Q3 2025.
- Funds reported $5.1B of State Street Blackstone Senior Loan ETF stock for Q4 2025, down 6.2% quarter-over-quarter.
- 84 funds opened new State Street Blackstone Senior Loan ETF positions in Q4 2025 and 51 closed out, a net change of +33 holders.
- The largest State Street Blackstone Senior Loan ETF buyer in Q4 2025 was Jane Street, an estimated $55.7M added.
- The largest State Street Blackstone Senior Loan ETF seller in Q4 2025 was Corebridge Financial, an estimated $399M sold.
Based on aggregated 13F filings for Q4 2025.