JHMB vs MBB
John Hancock Mortgage-Backed Securities ETF against iShares MBS ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
1%
24 shared positions
Fee gap
35 bp
MBB is cheaper
1-year return gap
0.8 pts
MBB is ahead
Larger fund
MBB
$35.2B
Side by side
| JHMB | MBB | |
|---|---|---|
| Fund | John Hancock Mortgage-Backed Securities ETF | iShares MBS ETF |
| Issuer | John Hancock | iShares |
| Category | Mortgage & Securitized | Mortgage & Securitized |
| Expense ratio | 0.39% | 0.04% |
| Assets | $201M | $35.2B |
| Average daily dollar volume | $1.7M | $690M |
| Listed | Aug 18, 2021 | Mar 13, 2007 |
| FrenzyCap score | 53 | 98 |
| 1-month return | −1.2% | −1.0% |
| 3-month return | −3.1% | −2.5% |
| Year to date | −5.2% | −4.9% |
| 1-year return | −6.4% | −5.7% |
| 30-day volatility | 5.1% | 6.7% |
| Worst drawdown, 1 year | −7.9% | −8.1% |
| Trailing 12-month yield | 5.00% | 4.50% |
| Holdings | 412 | 10,818 |
| Top 10 weight | 6.9% | 6.0% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | −$11M thru Jun 2026 | −$179M thru May 2026 |
| 30-day implied volatility | — | 7.8% |
| Holdings as of | as of Jun 30, 2026SEC filing | as of Oct 20, 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
6% of JHMB · 1% of MBB| Holding | JHMB | MBB |
|---|---|---|
| GINNIE MAE II POOL G2 07/51 FIXED 2.5, due Jul 20, 2051 | 0.20% | 0.52% |
| GINNIE MAE II POOL G2 02/51 FIXED 2, due Feb 20, 2051 | 0.63% | 0.16% |
| GINNIE MAE II POOL G2 02/51 FIXED 2.5, due Feb 20, 2051 | 0.09% | 0.13% |
| Fannie Mae Pool 4%, due Jun 1, 2052 | 0.28% | 0.04% |
| FREDDIE MAC POOL FR 12/52 FIXED 4.5, due Dec 1, 2052 | 0.27% | 0.04% |
| Fannie Mae Pool 2.5%, due Jul 1, 2051 | 0.09% | 0.04% |
| Fannie Mae Pool 2%, due Sep 1, 2051 | 0.21% | 0.04% |
| Fannie Mae Pool 2.5%, due Jul 1, 2051 | 0.11% | 0.03% |
| FREDDIE MAC POOL FR 08/50 FIXED 2.5, due Aug 1, 2050 | 0.05% | 0.03% |
| GINNIE MAE II POOL G2 06/50 FIXED 2.5, due Jun 20, 2050 | 0.17% | 0.03% |
| FREDDIE MAC POOL FR 08/52 FIXED 3.5, due Aug 1, 2052 | 0.45% | 0.03% |
| GINNIE MAE II POOL G2 10/51 FIXED 3, due Oct 20, 2051 | 0.54% | 0.02% |
| Fannie Mae Pool 3%, due Apr 1, 2052 | 0.45% | 0.02% |
| Fannie Mae Pool 4%, due Sep 1, 2052 | 0.12% | 0.01% |
| FREDDIE MAC POOL FR 01/52 FIXED 2.5, due Jan 1, 2052 | 0.48% | 0.01% |
| GINNIE MAE II POOL G2 03/53 FIXED 2.5, due Mar 20, 2053 | 0.17% | 0.01% |
| Fannie Mae Pool 3.5%, due Apr 1, 2052 | 0.07% | 0.01% |
| FREDDIE MAC POOL FR 08/51 FIXED 2.5, due Aug 1, 2051 | 0.59% | 0.01% |
| Fannie Mae Pool 4.5%, due Jun 1, 2052 | 0.12% | 0.01% |
| FREDDIE MAC POOL FR 11/51 FIXED 2.5, due Nov 1, 2051 | 0.07% | 0.00% |
| FREDDIE MAC POOL FR 05/51 FIXED 2.5, due May 1, 2051 | 0.49% | 0.00% |
| Fannie Mae Pool 2%, due Oct 1, 2050 | 0.13% | 0.00% |
| Fannie Mae Pool 2%, due Sep 1, 2050 | 0.20% | 0.00% |
| FREDDIE MAC POOL FR 09/51 FIXED 2.5, due Sep 1, 2051 | 0.09% | 0.00% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · JHMB holdings · MBB 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.