State Street Blackstone Senior Loan ETF
SRLN
525 hedge funds and large institutions have $6.17B invested in State Street Blackstone Senior Loan ETF in 2025 Q1 according to their latest regulatory filings, with 56 funds opening new positions, 224 increasing their positions, 175 reducing their positions, and 53 closing their positions.
28% more repeat investments, than reductions
Existing positions increased: 224 | Existing positions reduced: 175
3% more funds holding in top 10
Funds holding in top 10: 36 → 37 (+1)
2.13% more ownership
Funds ownership: 76.42% → 78.55% (+2.1%)
6% more first-time investments, than exits
New positions opened: 56 | Existing positions closed: 53
1% more capital invested
Capital invested by funds: $6.08B → $6.17B (+$88.6M)
1% less funds holding
Funds holding: 530 → 525 (-5)
82% less call options, than puts
Call options by funds: $329K | Put options by funds: $1.84M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CF
Corebridge Financial
Houston,
Texas
|
+$399M |
| 2 |
Morgan Stanley
New York
|
+$152M |
| 3 |
Neuberger Berman Group
New York
|
+$90.3M |
| 4 |
AA
Advisory Alpha
Holland,
Michigan
|
+$65.4M |
| 5 |
Ensign Peak Advisors
Salt Lake City,
Utah
|
+$49.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$288M |
| 2 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
-$114M |
| 3 |
OPAM
Ocean Park Asset Management
Santa Monica,
California
|
-$102M |
| 4 |
JP Morgan Chase
New York
|
-$92.5M |
| 5 |
Renaissance Technologies
New York
|
-$79.4M |
SRLN Hedge Fund Activity: Q1 2025 in Review
525 of the 7,472 institutional investors tracked by Wall St. Rank reported a position in State Street Blackstone Senior Loan ETF (SRLN) for Q1 2025, worth a combined $6.17B — up 1.5% from $6.08B a quarter earlier.
Buyers outnumbered sellers: 56 funds opened new SRLN positions and 53 closed out — a net gain of 3 holders — while 224 added to existing stakes and 175 trimmed.
The largest buyer was Corebridge Financial, opening a new position worth an estimated $399M. The largest seller was BlackRock, cutting an estimated $288M.
- 525 institutional investors held State Street Blackstone Senior Loan ETF (SRLN) as of Q1 2025, down from 530 in Q4 2024.
- Funds reported $6.17B of State Street Blackstone Senior Loan ETF stock for Q1 2025, up 1.5% quarter-over-quarter.
- 56 funds opened new State Street Blackstone Senior Loan ETF positions in Q1 2025 and 53 closed out, a net change of +3 holders.
- The largest State Street Blackstone Senior Loan ETF buyer in Q1 2025 was Corebridge Financial, an estimated $399M added.
- The largest State Street Blackstone Senior Loan ETF seller in Q1 2025 was BlackRock, an estimated $288M sold.
Based on aggregated 13F filings for Q1 2025.