State Street SPDR Portfolio Mortgage Backed Bond ETF
SPMB
248 hedge funds and large institutions have $6.26B invested in State Street SPDR Portfolio Mortgage Backed Bond ETF in 2025 Q4 according to their latest regulatory filings, with 38 funds opening new positions, 100 increasing their positions, 77 reducing their positions, and 11 closing their positions.
245% more first-time investments, than exits
New positions opened: 38 | Existing positions closed: 11
30% more repeat investments, than reductions
Existing positions increased: 100 | Existing positions reduced: 77
9% more funds holding
Funds holding: 227 → 248 (+21)
9% more funds holding in top 10
Funds holding in top 10: 11 → 12 (+1)
3% more capital invested
Capital invested by funds: $6.08B → $6.26B (+$176M)
0.5% less ownership
Funds ownership: 94.57% → 94.07% (-0.5%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Financial Engines Advisors
Santa Clara,
California
|
+$62.1M |
| 2 |
State Street
Boston,
Massachusetts
|
+$46.5M |
| 3 |
LPL Financial
San Diego,
California
|
+$44.4M |
| 4 |
Stifel Financial
St. Louis,
Missouri
|
+$11.8M |
| 5 |
SWP
Stratos Wealth Partners
Beachwood,
Ohio
|
+$8.42M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SFC
Strategic Financial Concepts
San Antonio,
Texas
|
-$43M |
| 2 |
BlackRock
New York
|
-$12.3M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$8.12M |
| 4 |
KWM
Kingsview Wealth Management
Grants Pass,
Oregon
|
-$5.45M |
| 5 |
CCA
Clearwater Capital Advisors
Hoffman Estates,
Illinois
|
-$5.35M |
SPMB Hedge Fund Activity: Q4 2025 in Review
248 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) for Q4 2025, worth a combined $6.26B — up 2.9% from $6.08B a quarter earlier.
Buyers outnumbered sellers: 38 funds opened new SPMB positions and 11 closed out — a net gain of 27 holders — while 100 added to existing stakes and 77 trimmed.
The largest buyer was Financial Engines Advisors, adding an estimated $62.1M. The largest seller was Strategic Financial Concepts, exiting entirely with an estimated $43M sold.
- 248 institutional investors held State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) as of Q4 2025, up from 227 in Q3 2025.
- Funds reported $6.26B of State Street SPDR Portfolio Mortgage Backed Bond ETF stock for Q4 2025, up 2.9% quarter-over-quarter.
- 38 funds opened new State Street SPDR Portfolio Mortgage Backed Bond ETF positions in Q4 2025 and 11 closed out, a net change of +27 holders.
- The largest State Street SPDR Portfolio Mortgage Backed Bond ETF buyer in Q4 2025 was Financial Engines Advisors, an estimated $62.1M added.
- The largest State Street SPDR Portfolio Mortgage Backed Bond ETF seller in Q4 2025 was Strategic Financial Concepts, an estimated $43M sold.
Based on aggregated 13F filings for Q4 2025.