Vanguard Mortgage-Backed Securities ETF
VMBS
709 hedge funds and large institutions have $13.4B invested in Vanguard Mortgage-Backed Securities ETF in 2026 Q1 according to their latest regulatory filings, with 76 funds opening new positions, 337 increasing their positions, 199 reducing their positions, and 48 closing their positions.
69% more repeat investments, than reductions
Existing positions increased: 337 | Existing positions reduced: 199
58% more first-time investments, than exits
New positions opened: 76 | Existing positions closed: 48
3% more funds holding
Funds holding: 691 → 709 (+18)
2% more funds holding in top 10
Funds holding in top 10: 49 → 50 (+1)
3% more capital invested
Capital invested by funds: $13B → $13.4B (+$392M)
0.82% less ownership
Funds ownership: 90.09% → 89.28% (-0.82%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Envestnet Asset Management
Chicago,
Illinois
|
+$233M |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$180M |
| 3 |
UBS AM
Chicago,
Illinois
|
+$35.9M |
| 4 |
Raymond James Financial
St Petersburg,
Florida
|
+$33.2M |
| 5 |
DWM
Diversify Wealth Management
Sandy,
Utah
|
+$33.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
-$163M |
| 2 |
Envestnet Portfolio Solutions
Chicago,
Illinois
|
-$143M |
| 3 |
SMA
Seven Mile Advisory
Ewing,
New Jersey
|
-$28.6M |
| 4 |
AIA
Angeles Investment Advisors
Santa Monica,
California
|
-$25.4M |
| 5 |
Wealth Enhancement Advisory Services
Plymouth,
Minnesota
|
-$24.1M |
VMBS Hedge Fund Activity: Q1 2026 in Review
709 institutional investors reported a position in Vanguard Mortgage-Backed Securities ETF (VMBS) for Q1 2026, worth a combined $13.4B — up 3% from $13B a quarter earlier.
Buyers outnumbered sellers: 76 funds opened new VMBS positions and 48 closed out — a net gain of 28 holders — while 337 added to existing stakes and 199 trimmed.
The largest buyer was Envestnet Asset Management, adding an estimated $233M. The largest seller was Bank of America, cutting an estimated $163M.
- 709 institutional investors held Vanguard Mortgage-Backed Securities ETF (VMBS) as of Q1 2026, up from 691 in Q4 2025.
- Funds reported $13.4B of Vanguard Mortgage-Backed Securities ETF stock for Q1 2026, up 3% quarter-over-quarter.
- 76 funds opened new Vanguard Mortgage-Backed Securities ETF positions in Q1 2026 and 48 closed out, a net change of +28 holders.
- The largest Vanguard Mortgage-Backed Securities ETF buyer in Q1 2026 was Envestnet Asset Management, an estimated $233M added.
- The largest Vanguard Mortgage-Backed Securities ETF seller in Q1 2026 was Bank of America, an estimated $163M sold.
Based on aggregated 13F filings for Q1 2026.