JMBS vs VMBS

Janus Henderson Mortgage-Backed Securities ETF against Vanguard Mortgage-Backed Securities ETF: cost, size, returns, what they hold and how much of it is the same.

Overlap by weight
1%
7 shared positions
Fee gap
18 bp
VMBS is cheaper
1-year return gap
1.7 pts
VMBS is ahead
Larger fund
VMBS
$15.7B

Side by side

JMBSVMBS
FundJanus Henderson Mortgage-Backed Securities ETFVanguard Mortgage-Backed Securities ETF
IssuerJanus HendersonVanguard
CategoryMortgage & SecuritizedMortgage & Securitized
Expense ratio0.21%0.03%
Assets$6.2B$15.7B
Average daily dollar volume$50M$120M
ListedSep 12, 2018Nov 19, 2009
FrenzyCap score7699
1-month return−1.7%−1.1%
3-month return−3.7%−2.8%
Year to date−6.2%−4.7%
1-year return−6.8%−5.1%
30-day volatility7.0%6.2%
Worst drawdown, 1 year−9.1%−7.7%
Trailing 12-month yield5.48%4.38%
Holdings4454,939
Top 10 weight58.9%2.7%
Look-through P/E——
Holdings vs fair value——
Holdings above 200-day average——
Net flow, latest 3 reported months+$225M thru Jul 2026+$460M thru May 2026
30-day implied volatility26.4%7.9%
Holdings as ofas of Oct 19, 2026issuer dataas of Sep 30, 2026issuer data

Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.

Largest shared holdings

36% of JMBS · 1% of VMBS
HoldingJMBSVMBS
UMBS TBA 30yr 6.5% November Delivery, 6.50%, 11/12/26, due Nov 12, 20264.76%0.28%
UMBS TBA 30yr 2.5% November Delivery, 2.50%, 11/12/26, due Nov 12, 202617.64%0.16%
UMBS TBA 30yr 6% November Delivery, 6.00%, 11/12/26, due Nov 12, 20260.11%0.18%
UMBS TBA 30yr 2% November Delivery, 2.00%, 11/12/26, due Nov 12, 20264.37%0.11%
GNMA II TBA 30yr 3% November Delivery, 3.00%, 11/19/26, due Nov 19, 20262.46%0.06%
UMBS TBA 30yr 3% November Delivery, 3.00%, 11/12/26, due Nov 12, 20264.62%0.04%
UMBS TBA 30yr 3.5% November Delivery, 3.50%, 11/12/26, due Nov 12, 20262.46%0.01%

Sector mix of the stock holdings

No sector breakdown: these funds hold few classified stocks.

More: full overlap table · JMBS holdings · VMBS holdings

Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.