GWSBX Mutual Fund

NAV$9.69

AUM$120M

Holdings174

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GWSBX Mutual Fund

NAV$9.69

AMG GW&K Securitized Bond SMA Class

AUM$120M

Holdings174

See how much of GWSBX you already own

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

Showing top 50 of 172 holdings · as of Sep 30, 2026

GWSBX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	—	Federal Home Loan Mortgage Corp. 3.5%	3.73%	3.7%	4,998,812	$4.38M	-	-
2	Debt	Federal National Mortgage Association 5%	3.41%	7.1%	4,270,537	$4.00M	-	-
3	—	Freddie Mac Pool 2051-12-01	3.29%	10.4%	4,844,060	$3.86M	-	-
4	Debt	Fnma 30YrFinancials · Thrifts	3.00%	13.4%	4,416,141	$3.52M	Financials	Thrifts
5	—	Fannie Mae Pool 11/01/2051	2.78%	16.2%	4,108,848	$3.26M	-	-
6	Debt	Government National Mortgage AFinancials · Mortgage Real Estate Investment Trusts (REITs)	2.73%	18.9%	3,969,504	$3.20M	Financials	Mortgage Real Estate Investment Trusts (REITs)
7	Debt	-Financials · Mortgage Real Estate Investment Trusts (REITs)	2.55%	21.5%	3,617,863	$3.00M	Financials	Mortgage Real Estate Investment Trusts (REITs)
8	Debt	-Financials · Thrifts	2.50%	24.0%	3,245,549	$2.94M	Financials	Thrifts
9	Debt	-Financials · Thrifts	2.43%	26.4%	3,796,488	$2.86M	Financials	Thrifts
10	Debt	Fr Sd7568	2.18%	28.6%	2,637,982	$2.55M	-	-
11	—	Federal National Mortgage Association 6%	2.12%	30.7%	2,497,635	$2.49M	-	-
12	—	Fannie Mae Pool Umbs P#Ma4236 1.50000000Financials · Thrifts	2.08%	32.8%	3,411,269	$2.44M	Financials	Thrifts
13	—	Ginnie Mae Ii PoolFinancials · Thrifts	2.06%	34.9%	2,522,099	$2.42M	Financials	Thrifts
14	—	Federal National Mortgage Association 3 2050-08-01	1.97%	36.8%	2,770,429	$2.31M	-	-
15	—	Freddie Mac Pool Fr 06/54 Fixed 4.5 4.5 2054-06-01	1.91%	38.7%	2,457,377	$2.24M	-	-
16	Debt	Gnma Ii P#784114Financials · Thrifts	1.76%	40.5%	2,374,139	$2.06M	Financials	Thrifts
17	—	Fannie Mae Pool Umbs P#Ma4437 2.00000000Financials · Thrifts	1.46%	42.0%	2,286,988	$1.71M	Financials	Thrifts
18	—	Federal Home Loan Mortgage Corp. 6%	1.37%	43.3%	1,613,643	$1.61M	-	-
19	Debt	-Financials · Thrifts	1.18%	44.5%	1,835,000	$1.38M	Financials	Thrifts
20	—	Fannie Mae Pool 2.5 2051-07-01	1.17%	45.7%	1,728,223	$1.37M	-	-
21	—	Federal Home Loan Mortgage Corp. 6 2053-10-01	1.14%	46.8%	1,346,385	$1.34M	-	-
22	—	Fnma 30Yr Umbs Super 2% Dec 01, 2050Financials · Thrifts	1.10%	47.9%	1,693,054	$1.29M	Financials	Thrifts
23	—	Fannie Mae Pool Umbs P#Ca8234 3.00000000	1.06%	49.0%	1,500,348	$1.25M	-	-
24	Debt	Fr Sl1899	1.05%	50.0%	1,500,847	$1.24M	-	-
25	Debt	Us Treas BdsUtilities · Power & Renewables	0.97%	51.0%	1,229,500	$1.14M	Utilities	Power & Renewables
26	—	Ginnie Mae Ii Poolg2 Ma8874Financials · Thrifts	0.79%	51.8%	1,102,205	$922.9K	Financials	Thrifts
27	—	Government National Mtg Assn Gtd 2018-121 Remic Passthru Secs Cl Ql 3.0 2047-12-20	0.79%	52.6%	1,150,783	$925.0K	-	-
28	—	Federal Home Loan Mortgage Corp. 2%	0.76%	53.3%	1,291,512	$890.5K	-	-
29	—	Fhlmc Pass Thru Pools 5 2053-11-01	0.76%	54.1%	947,994	$890.6K	-	-
30	—	J.P. Morgan Mortgage Trust 2022-1 Jpmmt 2022-1 A3	0.70%	54.8%	1,080,630	$826.4K	-	-
31	—	Voya_21-2A A1R 144A 5.05% Apr 20, 2038	0.68%	55.5%	800,000	$799.6K	-	-
32	Debt	Fannie Mae PoolFinancials · Thrifts	0.64%	56.1%	952,640	$750.4K	Financials	Thrifts
33	—	Ginnie Mae Ii Pool G2 785359 2.000000% 03/20/2051Financials · Thrifts	0.64%	56.8%	976,665	$746.1K	Financials	Thrifts
34	—	Bank_25-Bnk49 A5 5.62% Mar 15, 2058Financials · Banks	0.63%	57.4%	750,000	$736.0K	Financials	Banks
35	—	Bank 2024-Bnk47 A5 5.716 2057-06-15Financials · Banks	0.63%	58.0%	750,000	$741.6K	Financials	Banks
36	—	Bbcms_24-C30 A5 5.5% Nov 15, 2057Financials · Mortgage Real Estate Investment Trusts (REITs)	0.62%	58.6%	750,000	$729.2K	Financials	Mortgage Real Estate Investment Trusts (REITs)
37	—	Freddie Mac Pool Umbs P#Sd7549 2.00000000Financials · Thrifts	0.61%	59.3%	928,741	$713.3K	Financials	Thrifts
38	Debt	Freddie MacFinancials · Thrifts	0.59%	59.8%	974,887	$696.6K	Financials	Thrifts
39	—	Freddie Mac Pool 2 2051-08-01	0.57%	60.4%	879,740	$670.7K	-	-
40	Debt	Ct Avenue Securities Transactions 2026 R05 4.64%	0.54%	61.0%	628,640	$628.2K	-	-
41	—	Obx 2022-Inv2 Tr 3%	0.53%	61.5%	925,000	$618.4K	-	-
42	—	Freddie Mac Pool Umbs P#Ra6503 2.00000000Financials · Thrifts	0.51%	62.0%	794,437	$597.8K	Financials	Thrifts
43	—	Agl_39 A1 144A 5.34% Apr 20, 2038	0.51%	62.5%	600,000	$599.5K	-	-
44	—	Ginnie Mae Remics	0.51%	63.0%	692,113	$601.5K	-	-
45	Debt	-Financials · Thrifts	0.49%	63.5%	754,036	$578.6K	Financials	Thrifts
46	—	Federal National Mortgage Association 5.5%	0.49%	64.0%	594,580	$572.5K	-	-
47	—	Fannie Mae Pool 2Financials · Thrifts	0.48%	64.5%	740,217	$563.7K	Financials	Thrifts
48	Debt	Us Treasury N/B 4.63 2055-02-15Financials · Banks	0.48%	65.0%	653,400	$559.0K	Financials	Banks
49	—	Onslow Bay Financial Llc Obx 2022 Inv2 A1 144A	0.48%	65.4%	706,355	$563.2K	-	-
50	—	Voya Clo Ltd. Series 2024-7A, Class A1 5.64%, 01/20/38	0.47%	65.9%	550,000	$550.7K	-	-
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GWSBX Mutual Fund All Holdings

GWSBX holdings total 174 positions. The top 10 holdings account for 28.6% of the fund, led by Federal Home Loan Mortgage Corp. 3.5% at 3.7%, Federal National Mortgage Association 5% 5 01/01/2053 at 3.4%, Freddie Mac Pool 2051-12-01 at 3.3%.

GWSBX portfolio concentration is well-diversified, with the top 10 representing 28.6% of total assets. The largest sector exposure is Financials at 35.6%.

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