State Street Blackstone Senior Loan ETF
SRLN
500 hedge funds and large institutions have $5.44B invested in State Street Blackstone Senior Loan ETF in 2025 Q3 according to their latest regulatory filings, with 37 funds opening new positions, 241 increasing their positions, 152 reducing their positions, and 44 closing their positions.
323% more call options, than puts
Call options by funds: $1.21M | Put options by funds: $287K
59% more repeat investments, than reductions
Existing positions increased: 241 | Existing positions reduced: 152
4% less funds holding
Funds holding: 523 → 500 (-23)
6% less capital invested
Capital invested by funds: $5.78B → $5.44B (-$336M)
7.07% less ownership
Funds ownership: 85.49% → 78.43% (-7.1%)
9% less funds holding in top 10
Funds holding in top 10: 33 → 30 (-3)
16% less first-time investments, than exits
New positions opened: 37 | Existing positions closed: 44
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Toronto,
Ontario, Canada
|
+$192M |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$53.6M |
| 3 |
LMGAM
Liberty Mutual Group Asset Management
Boston,
Massachusetts
|
+$25M |
| 4 |
Thrivent Financial for Lutherans
Minneapolis,
Minnesota
|
+$13.9M |
| 5 |
HF
HRT Financial
New York
|
+$13.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OPAM
Ocean Park Asset Management
Santa Monica,
California
|
-$219M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
-$107M |
| 3 |
Ensign Peak Advisors
Salt Lake City,
Utah
|
-$60.1M |
| 4 |
Morgan Stanley
New York
|
-$47.4M |
| 5 |
BlackRock
New York
|
-$43M |
SRLN Hedge Fund Activity: Q3 2025 in Review
500 of the 7,638 institutional investors tracked by Wall St. Rank reported a position in State Street Blackstone Senior Loan ETF (SRLN) for Q3 2025, worth a combined $5.44B — down 5.8% from $5.78B a quarter earlier.
Sellers outnumbered buyers: 44 funds closed out of SRLN and 37 opened new positions — a net loss of 7 holders — while 152 trimmed existing stakes and 241 added.
The largest buyer was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, adding an estimated $192M. The largest seller was Ocean Park Asset Management, cutting an estimated $219M.
- 500 institutional investors held State Street Blackstone Senior Loan ETF (SRLN) as of Q3 2025, down from 523 in Q2 2025.
- Funds reported $5.44B of State Street Blackstone Senior Loan ETF stock for Q3 2025, down 5.8% quarter-over-quarter.
- 37 funds opened new State Street Blackstone Senior Loan ETF positions in Q3 2025 and 44 closed out, a net change of -7 holders.
- The largest State Street Blackstone Senior Loan ETF buyer in Q3 2025 was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, an estimated $192M added.
- The largest State Street Blackstone Senior Loan ETF seller in Q3 2025 was Ocean Park Asset Management, an estimated $219M sold.
Based on aggregated 13F filings for Q3 2025.