State Street Blackstone Senior Loan ETF
SRLN
488 hedge funds and large institutions have $3.96B invested in State Street Blackstone Senior Loan ETF in 2026 Q1 according to their latest regulatory filings, with 41 funds opening new positions, 210 increasing their positions, 181 reducing their positions, and 70 closing their positions.
16% more repeat investments, than reductions
Existing positions increased: 210 | Existing positions reduced: 181
4.29% more ownership
Funds ownership: 77.72% → 82.01% (+4.3%)
7% less funds holding
Funds holding: 525 → 488 (-37)
7% less funds holding in top 10
Funds holding in top 10: 28 → 26 (-2)
22% less capital invested
Capital invested by funds: $5.1B → $3.96B (-$1.14B)
41% less first-time investments, than exits
New positions opened: 41 | Existing positions closed: 70
54% less call options, than puts
Call options by funds: $4.93M | Put options by funds: $10.7M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LMGAM
Liberty Mutual Group Asset Management
Boston,
Massachusetts
|
+$63.4M |
| 2 |
Ensign Peak Advisors
Salt Lake City,
Utah
|
+$59.1M |
| 3 |
DWM
Diversify Wealth Management
Sandy,
Utah
|
+$40.5M |
| 4 |
Wellington Management Group
Boston,
Massachusetts
|
+$36M |
| 5 |
BlackRock
New York
|
+$31.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Toronto,
Ontario, Canada
|
-$403M |
| 2 |
Morgan Stanley
New York
|
-$173M |
| 3 |
Goldman Sachs
New York
|
-$140M |
| 4 |
Bank of America
Charlotte,
North Carolina
|
-$125M |
| 5 |
Jane Street
New York
|
-$54.3M |
SRLN Hedge Fund Activity: Q1 2026 in Review
488 of the 8,172 institutional investors tracked by Wall St. Rank reported a position in State Street Blackstone Senior Loan ETF (SRLN) for Q1 2026, worth a combined $3.96B — down 22% from $5.1B a quarter earlier.
Sellers outnumbered buyers: 70 funds closed out of SRLN and 41 opened new positions — a net loss of 29 holders — while 181 trimmed existing stakes and 210 added.
The largest buyer was Liberty Mutual Group Asset Management, adding an estimated $63.4M. The largest seller was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, exiting entirely with an estimated $403M sold.
- 488 institutional investors held State Street Blackstone Senior Loan ETF (SRLN) as of Q1 2026, down from 525 in Q4 2025.
- Funds reported $3.96B of State Street Blackstone Senior Loan ETF stock for Q1 2026, down 22% quarter-over-quarter.
- 41 funds opened new State Street Blackstone Senior Loan ETF positions in Q1 2026 and 70 closed out, a net change of -29 holders.
- The largest State Street Blackstone Senior Loan ETF buyer in Q1 2026 was Liberty Mutual Group Asset Management, an estimated $63.4M added.
- The largest State Street Blackstone Senior Loan ETF seller in Q1 2026 was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, an estimated $403M sold.
Based on aggregated 13F filings for Q1 2026.