RMAFX Holdings — American Funds Mortgage Fund
Data updated: 2026-07-29
RMAFX holds 1,289 securities. The top 10 make up 23.1% of net assets, led by Capital Group Central Cash Fund (6.53%) and Umbs 30yr Tba(reg A) 2.5 Umbs Tba 07-01-56 (3.33%). Mortgage / Securitized (62.3%) and Government Bonds (31.6%) are the largest sectors, and 113.1% of the portfolio is in United States. Debt holdings: 58 positions, 27.4% of assets.
Holdings cover 113.40% of net asset value (86.65% of total assets; remainder is cash and receivables). As of May 31, 2026 · N-PORT.
RMAFX Portfolio Holdings
1,289 holdings of American Funds Mortgage Fund by percentage of net assets, from the fund's SEC N-PORT filing as of May 31, 2026. The 100 largest are listed below; the interactive table on this page lists all 1,289.
| Holding | Ticker | Sector | % of net assets | Value (USD) |
|---|---|---|---|---|
| Capital Group Central Cash Fund | CMQXX | Funds & ETFs | 6.53% | $854.51M |
| Umbs 30yr Tba(reg A) 2.5 Umbs Tba 07-01-56 | — | Mortgage / Securitized | 3.33% | $435.19M |
| Fed Hm Ln Bk Bd 8/6/2026 | — | Government Bonds | 1.90% | $248.34M |
| Fed Hm Ln Bk Bd 12/31/2026 | — | Government Bonds | 1.87% | $244.59M |
| Fed Hm Ln Bk Bd 7/29/2026 | — | Government Bonds | 1.71% | $223.69M |
| United States Treasury Note 4.75% 02-15-56 | — | Government Bonds | 1.62% | $211.51M |
| Fncl Umbs 6.0 Sd8534 05-01-55 | — | Mortgage / Securitized | 1.61% | $210.38M |
| Fed Hm Ln Bk Bd 7/31/2026 | — | Government Bonds | 1.52% | $198.79M |
| Fed Hm Ln Bk Bd 9/4/2026 | — | Government Bonds | 1.51% | $198.09M |
| Fed Hm Ln Bk Bd 9/16/2026 | — | Government Bonds | 1.51% | $197.84M |
| Fed Hm Ln Bk Bd 9/24/2026 | — | Government Bonds | 1.51% | $197.68M |
| Fncl 6.5 Umbs Tba 07-01-56 | — | Mortgage / Securitized | 1.48% | $193.40M |
| Fncl 2.0 Umbs Tba 07-01-56 | — | Mortgage / Securitized | 1.33% | $174.27M |
| Fncl 5.5 Umbs Tba 07-01-56 | — | Mortgage / Securitized | 1.32% | $173.02M |
| Fhlbdn 8/3/2026 | — | Government Bonds | 1.29% | $168.93M |
| Fed Hm Ln Bk Bd 6/18/2026 | — | Government Bonds | 1.22% | $159.73M |
| Fncl 4.0 Umbs Tba 07-01-56 | — | Mortgage / Securitized | 1.21% | $158.10M |
| Fed Hm Ln Bk Bd 9/9/2026 | — | Government Bonds | 1.19% | $155.43M |
| Fed Hm Ln Bk Bd 6/8/2026 | — | Government Bonds | 1.15% | $149.90M |
| Fncl Umbs 6.0 Rq0028 07-01-55 | — | Mortgage / Securitized | 1.05% | $137.79M |
| United States Treasury Note 4.5% 05-31-29 | — | Government Bonds | 1.05% | $137.68M |
| Fncl Umbs 6.0 Ma5701 05-01-55 | — | Mortgage / Securitized | 0.97% | $126.84M |
| Fed Hm Ln Bk Bd 6/3/2026 | — | Government Bonds | 0.96% | $124.98M |
| Fed Hm Ln Bk Bd 8/27/2026 | — | Government Bonds | 0.95% | $123.91M |
| United States Treasury Note 3.875% 12-31-32 | — | Government Bonds | 0.91% | $119.34M |
| G2sf 2.0 Ma7192 02-20-51 | — | Mortgage / Securitized | 0.91% | $118.69M |
| United States Treasury Note 4.125% 07-31-28 | — | Government Bonds | 0.90% | $118.28M |
| Fncl Umbs 5.5 Sd8342 07-01-53 | — | Mortgage / Securitized | 0.84% | $109.49M |
| United States Treasury Note 3.5% 10-31-27 | — | Government Bonds | 0.84% | $109.31M |
| Fncl Umbs 2.0 Ra5054 04-01-51 | — | Mortgage / Securitized | 0.81% | $106.50M |
| Fncl 3.5 Umbs Tba 07-01-56 | — | Mortgage / Securitized | 0.81% | $106.30M |
| Fed Hm Ln Bk Bd 7/9/2026 | — | Government Bonds | 0.76% | $99.62M |
| Fed Hm Ln Bk Bd 7/13/2026 | — | Government Bonds | 0.76% | $99.58M |
| Fed Hm Ln Bk Bd 7/17/2026 | — | Government Bonds | 0.76% | $99.54M |
| Fed Hm Ln Bk Bd 7/30/2026 | — | Government Bonds | 0.76% | $99.41M |
| Fed Hm Ln Bk Bd 8/5/2026 | — | Government Bonds | 0.76% | $99.35M |
| Fed Hm Ln Bk Bd 8/21/2026 | — | Government Bonds | 0.76% | $99.19M |
| Fed Hm Ln Bk Bd 10/16/2026 | — | Government Bonds | 0.75% | $98.62M |
| Fed Hm Ln Bk Bd 8/28/2026 | — | Government Bonds | 0.72% | $94.16M |
| Fncl Umbs 2.5 Fa2839 07-01-52 | — | Mortgage / Securitized | 0.72% | $94.08M |
| Fnmdi4 3.5 Bf0765 09-01-63 | — | Mortgage / Securitized | 0.71% | $92.44M |
| Fnct Umbs 1.5 Rb5113 06-01-41 | — | Mortgage / Securitized | 0.69% | $89.83M |
| Fncl Umbs 5.0 Rq0094 02-01-56 | — | Mortgage / Securitized | 0.69% | $89.77M |
| Fncl Umbs 6.0 Rq0050 09-01-55 | — | Mortgage / Securitized | 0.67% | $87.88M |
| Fncl Umbs 6.0 Ma5880 11-01-55 | — | Mortgage / Securitized | 0.65% | $85.06M |
| Fncl Umbs 6.5 190445 03-01-55 | — | Mortgage / Securitized | 0.62% | $80.60M |
| Fncl Umbs 6.0 Sd8507 02-01-55 | — | Mortgage / Securitized | 0.59% | $76.62M |
| Fed Hm Ln Bk Bd 6/26/2026 | — | Government Bonds | 0.57% | $74.82M |
| United States Treasury Note 4.625% 11-15-55 | — | Government Bonds | 0.57% | $74.61M |
| Fncl Umbs 3.0 Sd8213 05-01-52 | — | Mortgage / Securitized | 0.56% | $73.05M |
| Fncl 2.5 Umbs Tba 06-01-56 | — | Mortgage / Securitized | 0.55% | $72.49M |
| Fncl 6.0 Umbs Tba 06-01-56 | — | Mortgage / Securitized | 0.49% | $64.18M |
| Fncl Umbs 6.0 Ma5674 04-01-55 | — | Mortgage / Securitized | 0.48% | $63.38M |
| Fncl Umbs 5.5 Fa0608 02-01-55 | — | Mortgage / Securitized | 0.47% | $61.53M |
| Fncl Umbs 6.0 Qx4065 01-01-55 | — | Mortgage / Securitized | 0.47% | $60.91M |
| United States Treasury Note 4.75% 08-15-55 | — | Government Bonds | 0.46% | $60.69M |
| Fncl 3.0 Umbs Tba 06-01-56 | — | Mortgage / Securitized | 0.46% | $60.46M |
| G2sf 2.5 785792 12-20-51 | — | Mortgage / Securitized | 0.46% | $59.97M |
| United States Treasury Note 3.5% 02-28-31 | — | Government Bonds | 0.46% | $59.96M |
| Fncl Umbs 6.5 Sd8374 11-01-53 | — | Mortgage / Securitized | 0.40% | $52.09M |
| Fncl Umbs 6.5 Sl2625 07-01-55 | — | Mortgage / Securitized | 0.39% | $50.50M |
| Fed Hm Ln Bk Bd 8/7/2026 | — | Government Bonds | 0.38% | $49.66M |
| Fncl Umbs 6.0 Sd8290 01-01-53 | — | Mortgage / Securitized | 0.37% | $48.34M |
| Fncl 7.0 Umbs Tba 06-01-56 | — | Mortgage / Securitized | 0.37% | $48.30M |
| Scrt 2024-2 Mt 3.5% 05-25-64 | — | Mortgage / Securitized | 0.36% | $47.55M |
| Fncl Umbs 6.0 Sd8525 04-01-55 | — | Mortgage / Securitized | 0.36% | $47.43M |
| Fncl Umbs 3.0 Sd8225 07-01-52 | — | Mortgage / Securitized | 0.35% | $45.94M |
| Fncl Umbs 3.0 Sd8220 06-01-52 | — | Mortgage / Securitized | 0.35% | $45.77M |
| Fncl Umbs 6.0 Ma5040 06-01-53 | — | Mortgage / Securitized | 0.35% | $45.15M |
| Fncl Umbs 6.0 Fa0287 12-01-54 | — | Mortgage / Securitized | 0.34% | $45.01M |
| Fed Hm Ln Bk Bd 9/11/2026 | — | Government Bonds | 0.34% | $44.54M |
| G2sf 2.5 785575 08-20-51 | — | Mortgage / Securitized | 0.34% | $44.52M |
| Fncl Umbs 6.5 Sd6911 10-01-54 | — | Mortgage / Securitized | 0.34% | $44.35M |
| United States Treasury Note 3.5% 09-30-26 | — | Government Bonds | 0.34% | $43.96M |
| Fncl 6.5 Umbs Tba 06-01-56 | — | Mortgage / Securitized | 0.33% | $43.28M |
| Fncl Umbs 6.0 Sd8496 01-01-55 | — | Mortgage / Securitized | 0.33% | $43.03M |
| Fncl Umbs 6.0 Sd8447 07-01-54 | — | Mortgage / Securitized | 0.33% | $42.95M |
| United States Treasury Note 4.625% 02-15-55 | — | Government Bonds | 0.32% | $42.45M |
| Fncl Umbs 2.5 Sl2621 07-01-52 | — | Mortgage / Securitized | 0.32% | $42.10M |
| Fncl Umbs 6.0 Cb7932 02-01-54 | — | Mortgage / Securitized | 0.32% | $41.60M |
| Fncl Umbs 6.0 Ma5793 08-01-55 | — | Mortgage / Securitized | 0.32% | $41.29M |
| Fncl Umbs 6.0 Qx2593 01-01-55 | — | Mortgage / Securitized | 0.32% | $41.20M |
| Fncl Umbs 6.5 Sd5706 06-01-54 | — | Mortgage / Securitized | 0.31% | $40.38M |
| Fnmdi4 3.5 Bm6693 08-01-59 | — | Mortgage / Securitized | 0.30% | $39.08M |
| Fncl Umbs 6.5 Sd4966 02-01-54 | — | Mortgage / Securitized | 0.29% | $37.88M |
| United States Treasury Note 4.375% 07-31-26 | — | Government Bonds | 0.28% | $37.04M |
| Fed Hm Ln Bk Bd 11/13/2026 | — | Government Bonds | 0.28% | $36.38M |
| Fncl Umbs 6.0 Rj6302 12-01-55 | — | Mortgage / Securitized | 0.27% | $35.24M |
| Fncl Umbs 6.5 Sd5404 05-01-54 | — | Mortgage / Securitized | 0.27% | $35.25M |
| Fncl Umbs 2.0 Si2080 10-01-50 | — | Mortgage / Securitized | 0.27% | $34.70M |
| Fncl Umbs 5.5 Sd8533 05-01-55 | — | Mortgage / Securitized | 0.26% | $34.40M |
| Fncl Umbs 2.0 Si2062 09-01-50 | — | Mortgage / Securitized | 0.25% | $32.96M |
| Fncl Umbs 6.5 Cb8872 07-01-54 | — | Mortgage / Securitized | 0.25% | $32.92M |
| Fncl 5.0 Umbs Tba 06-01-56 | — | Mortgage / Securitized | 0.25% | $32.58M |
| Fncl Umbs 4.5 Qf2363 11-01-52 | — | Mortgage / Securitized | 0.25% | $32.58M |
| Fncl Umbs 6.5 Sl1959 07-01-55 | — | Mortgage / Securitized | 0.25% | $32.55M |
| Fncl Umbs 6.5 Ma5675 04-01-55 | — | Mortgage / Securitized | 0.25% | $32.45M |
| Cgcmt 23-Smrt A 144a Frn 10-12-40 | — | Mortgage / Securitized | 0.25% | $32.36M |
| Fncl Umbs 5.0 Sd4977 11-01-53 | — | Mortgage / Securitized | 0.24% | $31.90M |
| Fncl 3.5 Umbs Tba 06-01-56 | — | Mortgage / Securitized | 0.24% | $31.88M |
RMAFX Sector Allocation
American Funds Mortgage Fund holdings grouped by sector, by share of the portfolio's market value.
| Sector | Weight | Holdings |
|---|---|---|
| Mortgage / Securitized | 62.3% | 1213 |
| Government Bonds | 31.6% | 58 |
| Funds & ETFs | 5.8% | 1 |
| Unknown | 0.3% | 17 |
RMAFX Country Allocation
Where American Funds Mortgage Fund's holdings are domiciled, by percentage of net assets (largest 2).
| Country | % of net assets |
|---|---|
| United States | 113.1% |
| Cayman Islands | 0.3% |
RMAFX Portfolio Allocation
Asset-class allocation of American Funds Mortgage Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Securitized | 70.7% |
| Fixed Income | 35.8% |
| Cash & Equivalents | 6.5% |
| Real Estate | 0.4% |
RMAFX Debt Constituents
Largest debt holdings of American Funds Mortgage Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Federal Home Loan Banks | 1.90% |
| Federal Home Loan Banks | 1.87% |
| Federal Home Loan Banks | 1.71% |
| United States Treasury | 1.62% |
| Federal Home Loan Banks | 1.52% |
| Federal Home Loan Banks | 1.51% |
| Federal Home Loan Banks | 1.51% |
| Federal Home Loan Banks | 1.51% |
| Federal Home Loan Banks | 1.29% |
| Federal Home Loan Banks | 1.22% |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.