Vanguard Mortgage-backed Sec
$44.910%
+$881.5M
Net Activity
+6.16% total shares
Institutions Holding
719
Popularity Rank
#758
Avg Weight
0.52%
Total Value
$14.1B
719 institutions currently hold VMBS, with 384 net buyers and 286 net sellers this quarter.
Institutional Moves (Q2 2026)
Neutral
Based on recent trading activity
Net Selling Institutions
286
Net Buying Institutions
384
Top 5 by Value
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Across its top 20 institutional holders, VMBS's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 6/100, avg. turnover score 24/100).
VMBS ranks #758 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
VMBS is a top-conviction position for Bell Investment Advisors, Inc — at 7.3% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.
The largest dollar stake in VMBS belongs to Bank Of America CORP /de/, but the position matters far more to Bell Investment Advisors, Inc, who has 7.3% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.
Mather Group, LLC. has added to its VMBS position for two straight quarters, increasing it by $77.0M to reach $420.5M today.
Acropolis Investment Management, LLC has trimmed its VMBS position for two straight quarters, cutting it by $8.0M while still holding $17.2M.
VMBS is down 0% today, but institutions show net buying of $881.5M this quarter — a divergence between today's price move and the underlying institutional flow.
+$1.1B
Total Buy Value
$243.5M
Total Sell Value
384
Net Buyers
286
Net Sellers
VMBS
Q2 2026
Top 5 Institutional Movers
+$114.8M
+$90.3M
+$81.4M
+$70.1M
VMBS does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
No Form 144 planned sale filings in the last 90 days
No Schedule 13D/13G filings for this ticker
No Form 8-K filings for this ticker
92206C771
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,278
Total reported value
$2.2T
3254 13F institutions increased their position this quarter
Institutions Holding
6,025
Total reported value
$3.6T
3054 13F institutions increased their position this quarter
Institutions Holding
6,188
Total reported value
$1.8T
2995 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,868
Total reported value
$1.5T
Held by 4868 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,789
Total reported value
$1.2T
Held by 4789 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,716
Total reported value
$473.6B
Held by 4716 institutions — one of the most-tracked stocks on AlphaSMO
Access VMBS's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/VMBSCLI
npx alphasmo stocks get VMBS