RMAFX Mutual Fund

NAV$8.50

AUM$1M

TER0.32%

Holdings1,289

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RMAFX Mutual Fund

NAV$8.50

American Funds Mortgage Fund Class R-5

AUM$1M

TER0.32%

Holdings1,289

See how much of RMAFX you already own

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Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

Showing top 50 of 1,149 holdings · as of Sep 30, 2026

RMAFX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value
1	—	NA	20.47%	20.5%	25,408,504	$2.54B
2	Debt	Uniform Mortgage-Backed Security	6.70%	27.2%	850,113,552	$831.39M
3	Debt	Us Treas Nts	3.87%	31.0%	495,000,000	$480.27M
4	Debt	Uniform Mortgage-Backed Security	3.86%	34.9%	517,805,383	$479.03M
5	—	Fed Hm Ln Bk Bd 11/12/2026	3.58%	38.5%	447,000,000	$444.97M
6	Debt	Uniform Mortgage-Backed Security	3.08%	41.6%	491,499,569	$381.87M
7	—	Fed Hm Ln Bk Bd 11/2/2026	3.01%	44.6%	375,000,000	$373.72M
8	—	Fed Nat Mtge Disc Nt 11/13/2026	2.41%	47.0%	300,000,000	$298.63M
9	—	Fed Hm Ln Bk Bd 10/22/2026	2.41%	49.4%	300,000,000	$299.31M
10	—	Fed Hm Ln Bk Bd 12/2/2026	2.40%	51.8%	300,000,000	$297.95M
11	Debt	Uniform Mortgage-Backed Security	2.27%	54.1%	313,840,846	$281.57M
12	—	Fed Hm Ln Bk Bd 10/30/2026	2.21%	56.3%	275,000,000	$274.15M
13	Debt	Uniform Mortgage-Backed Security	2.19%	58.5%	294,314,148	$271.93M
14	Debt	Uniform Mortgage-Backed Security	2.00%	60.5%	284,417,271	$247.68M
15	—	Fed Hm Ln Bk Bd 12/31/2026	1.99%	62.4%	250,000,000	$247.44M
16	Debt	Government National Mortgage Assn	1.95%	64.4%	271,433,862	$241.96M
17	—	Federal Home Loan Bank Discount Notes 2026-10-16	1.61%	66.0%	200,000,000	$199.67M
18	—	Gnma_25-128 Ad 16-Oct-56	1.60%	67.6%	230,411,963	$198.11M
19	—	Fed Hm Ln Bk Bd 11/18/2026	1.51%	69.1%	187,900,000	$186.92M
20	Debt	Uniform Mortgage-Backed Security	1.36%	70.5%	168,748,576	$169.08M
21	Debt	Uniform Mortgage-Backed Security	1.33%	71.8%	195,636,685	$165.45M
22	—	Fed Hm Ln Bk Bd 10/28/2026	1.20%	73.0%	150,000,000	$149.57M
23	Debt	Uniform Mortgage-Backed Security	1.14%	74.1%	157,473,266	$141.14M
24	Debt	U.S. Treasury	1.08%	75.2%	136,000,000	$134.46M
25	Debt	U.S. Treasury	0.94%	76.2%	118,000,000	$116.54M
26	Debt	Government National Mortgage Assn. Pool #MB1283	0.94%	77.1%	130,473,814	$116.24M
27	Debt	U.S. Treasury	0.88%	78.0%	110,000,000	$108.68M
28	Debt	Government National Mortgage Assn	0.88%	78.9%	111,216,253	$109.30M
29	Debt	Uniform Mortgage-Backed Security	0.85%	79.7%	129,631,886	$105.49M
30	—	Fed Hm Ln Bk Bd 11/27/2026	0.85%	80.6%	106,000,000	$105.34M
31	Debt	Uniform Mortgage-Backed Security	0.81%	81.4%	135,031,855	$100.23M
32	—	Fed Hm Ln Bk Bd 10/9/2026	0.80%	82.2%	100,000,000	$99.91M
33	—	Fed Hm Ln Bk Bd 11/4/2026	0.80%	83.0%	100,000,000	$99.64M
34	—	Fed Hm Ln Bk Bd 10/13/2026	0.80%	83.8%	100,000,000	$99.87M
35	—	Fed Farm Cr Disc Nt 10/19/2026	0.80%	84.6%	100,000,000	$99.80M
36	Debt	Freddie Mac Pool #Sd8342	0.80%	85.4%	102,634,800	$98.85M
37	—	Fncl Umbs 2.0 Ra5054 04-01-51	0.78%	86.2%	128,255,067	$96.76M
38	Debt	Government National Mortgage Assn	0.71%	86.9%	95,543,030	$88.53M
39	Debt	Freddie Mac Pool Rb5113	0.67%	87.5%	103,302,304	$82.67M
40	Debt	Uniform Mortgage-Backed Security	0.66%	88.2%	97,391,103	$82.28M
41	Debt	Fannie Mae Pool #Bf0765	0.66%	88.9%	98,464,977	$81.70M
42	Debt	Freddie Mac Pool #RQ0094	0.66%	89.5%	89,010,149	$82.54M
43	Debt	Fannie Mae Pool #Fa2839	0.65%	90.2%	103,463,928	$80.69M
44	Debt	Uniform Mortgage-Backed Security	0.64%	90.8%	79,403,730	$79.79M
45	Debt	Government National Mortgage Assn. Pool #MB1476	0.62%	91.4%	86,325,634	$76.83M
46	Debt	Uniform Mortgage-Backed Security	0.62%	92.0%	103,042,914	$76.55M
47	—	Government National Mortgage Assn. Pool #MA7192 2.00% 2051	0.58%	92.6%	93,339,812	$71.68M
48	Debt	U.S. Treasury	0.54%	93.2%	79,000,000	$67.57M
49	Debt	Uniform Mortgage-Backed Security	0.53%	93.7%	69,548,755	$66.29M
50	Debt	Government National Mortgage Assn	0.53%	94.2%	76,446,064	$65.69M
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RMAFX Mutual Fund All Holdings

RMAFX holdings total 1289 positions. The top 10 holdings account for 51.8% of the fund, led by NA at 20.5%, Uniform Mortgage-Backed Security 6.00% 11/1/2056 at 6.7%, Us Treas Nts 4.375% 08/31/31 at 3.9%.

RMAFX portfolio concentration is relatively high, with the top 10 representing 51.8% of total assets. The largest sector exposure is Financials at 0.7%.

RMAFX sectors provide a detailed breakdown. RMAFX overlap shows how holdings compare to other funds in your portfolio.