State Street SPDR Portfolio Mortgage Backed Bond ETF
SPMB
258 hedge funds and large institutions have $6.3B invested in State Street SPDR Portfolio Mortgage Backed Bond ETF in 2026 Q2 according to their latest regulatory filings, with 43 funds opening new positions, 98 increasing their positions, 83 reducing their positions, and 23 closing their positions.
87% more first-time investments, than exits
New positions opened: 43 | Existing positions closed: 23
18% more repeat investments, than reductions
Existing positions increased: 98 | Existing positions reduced: 83
6% more funds holding
Funds holding: 243 → 258 (+15)
2% less capital invested
Capital invested by funds: $6.43B → $6.3B (-$131M)
3.7% less ownership
Funds ownership: 92.68% → 88.98% (-3.7%)
23% less funds holding in top 10
Funds holding in top 10: 13 → 10 (-3)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Financial Engines Advisors
Santa Clara,
California
|
+$191M |
| 2 |
Goldman Sachs
New York
|
+$40.6M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$32.1M |
| 4 |
LGW
Leslie Global Wealth
Itasca,
Illinois
|
+$7.28M |
| 5 |
VT
Vise Technologies
New York
|
+$6.29M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
State Street
Boston,
Massachusetts
|
-$141M |
| 2 |
Stifel Financial
St. Louis,
Missouri
|
-$43.9M |
| 3 |
BEI
Benjamin Edwards Inc
Clayton,
Missouri
|
-$36M |
| 4 |
IAA
Independent Advisor Alliance
Charlotte,
North Carolina
|
-$33.4M |
| 5 |
LPL Financial
San Diego,
California
|
-$22.5M |
SPMB Hedge Fund Activity: Q2 2026 in Review
258 of the 8,349 institutional investors tracked by Wall St. Rank reported a position in State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) for Q2 2026, worth a combined $6.3B — down 2% from $6.43B a quarter earlier.
Buyers outnumbered sellers: 43 funds opened new SPMB positions and 23 closed out — a net gain of 20 holders — while 98 added to existing stakes and 83 trimmed.
The largest buyer was Financial Engines Advisors, adding an estimated $191M. The largest seller was State Street, exiting entirely with an estimated $141M sold.
- 258 institutional investors held State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) as of Q2 2026, up from 243 in Q1 2026.
- Funds reported $6.3B of State Street SPDR Portfolio Mortgage Backed Bond ETF stock for Q2 2026, down 2% quarter-over-quarter.
- 43 funds opened new State Street SPDR Portfolio Mortgage Backed Bond ETF positions in Q2 2026 and 23 closed out, a net change of +20 holders.
- The largest State Street SPDR Portfolio Mortgage Backed Bond ETF buyer in Q2 2026 was Financial Engines Advisors, an estimated $191M added.
- The largest State Street SPDR Portfolio Mortgage Backed Bond ETF seller in Q2 2026 was State Street, an estimated $141M sold.
Based on aggregated 13F filings for Q2 2026.