§ EQUITY
USDVMBS
VANGUARD MORTGAGE-BACKED SEC
USD
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
387 increased/new, 222 decreased/exited (13F)
AC 13F Analysis
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| Bank of America Corp | 56.3M | 0.2% | −6% |
| ENVESTNET ASSET MANAGEMENT INC | 27.3M | 0.3% | +22% |
| JPMORGAN CHASE & CO | 24.8M | n/a | +1% |
| Bank of New York Mellon Corp | 10.4M | 0.1% | −1% |
| Wells Fargo & Company | 9.4M | n/a | +4% |
| ASSETMARK, INC | 8.9M | 0.8% | +1% |
◇ AC INTELLIGENCE
Top institutional owners for VMBS as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER52.8% · 635 holders
DEALER / BANK42.9% · 47 holders
QUALITY / COMPOUNDER2.9% · 13 holders
PASSIVE / INDEX0.8% · 1 holder
INCOME / DEFENSIVE0.5% · 9 holders
SYSTEMATIC / QUANT0.1% · 2 holders
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for VMBS in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention VMBS yet.