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Vanguard Mortgage-Backed Securities ETF

692 hedge funds and large institutions have $13B invested in Vanguard Mortgage-Backed Securities ETF in 2025 Q4 according to their latest regulatory filings, with 127 funds opening new positions, 306 increasing their positions, 181 reducing their positions, and 43 closing their positions.

New
Increased
Maintained
Reduced
Closed

195% more first-time investments, than exits

New positions opened: 127 | Existing positions closed: 43

69% more repeat investments, than reductions

Existing positions increased: 306 | Existing positions reduced: 181

11% more funds holding in top 10

Funds holding in top 10: 4449 (+5)

10% more funds holding

Funds holding: 628692 (+64)

0.17% less ownership

Funds ownership: 90.26%90.09% (-0.17%)

4% less capital invested

Capital invested by funds: $13.5B → $13B (-$512M)

Holders
692
Holders Change
+64
Holders Change %
+10.19%
% of All Funds
8.37%
Holding in Top 10
49
Holding in Top 10 Change
+5
Holding in Top 10 Change %
+11.36%
% of All Funds
0.59%
New
127
Increased
306
Reduced
181
Closed
43
Calls
$292K
Puts
Net Calls
+$292K
Net Calls Change
+$292K

VMBS Hedge Fund Activity: Q4 2025 in Review

692 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Vanguard Mortgage-Backed Securities ETF (VMBS) for Q4 2025, worth a combined $13B — down 3.8% from $13.5B a quarter earlier.

Buyers outnumbered sellers: 127 funds opened new VMBS positions and 43 closed out — a net gain of 84 holders — while 306 added to existing stakes and 181 trimmed.

The largest buyer was Focus Partners Wealth, opening a new position worth an estimated $113M. The largest seller was JP Morgan Chase, cutting an estimated $1.24B.

  • 692 institutional investors held Vanguard Mortgage-Backed Securities ETF (VMBS) as of Q4 2025, up from 628 in Q3 2025.
  • Funds reported $13B of Vanguard Mortgage-Backed Securities ETF stock for Q4 2025, down 3.8% quarter-over-quarter.
  • 127 funds opened new Vanguard Mortgage-Backed Securities ETF positions in Q4 2025 and 43 closed out, a net change of +84 holders.
  • The largest Vanguard Mortgage-Backed Securities ETF buyer in Q4 2025 was Focus Partners Wealth, an estimated $113M added.
  • The largest Vanguard Mortgage-Backed Securities ETF seller in Q4 2025 was JP Morgan Chase, an estimated $1.24B sold.

Based on aggregated 13F filings for Q4 2025.