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State Street SPDR Portfolio Mortgage Backed Bond ETF

250 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 40 funds opening new positions, 100 increasing their positions, 77 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

264% more first-time investments, than exits

New positions opened: 40 | Existing positions closed: 11

30% more repeat investments, than reductions

Existing positions increased: 100 | Existing positions reduced: 77

10% more funds holding

Funds holding: 227 → 250 (+23)

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%)

Holders
250
Holders Change
+23
Holders Change %
+10.13%
% of All Funds
3.02%
Holding in Top 10
12
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+9.09%
% of All Funds
0.14%
New
40
Increased
100
Reduced
77
Closed
11
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

SPMB Hedge Fund Activity: Q4 2025 in Review

250 of the 8,286 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: 40 funds opened new SPMB positions and 11 closed out — a net gain of 29 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.

  • 250 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.
  • 40 funds opened new State Street SPDR Portfolio Mortgage Backed Bond ETF positions in Q4 2025 and 11 closed out, a net change of +29 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.