CSTBX Mutual Fund

NAV$9.50

TER0.64%

Holdings484

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CSTBX Mutual Fund

NAV$9.50

Calamos Short-Term Bond Fund Class A

TER0.64%

Holdings484

See how much of CSTBX you already own

Just $25 once·$69/mo·Download sample

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

Showing top 50 of 461 holdings · as of Jan 31, 2026

CSTBX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	GVMXX	State Street Navigator Securities Lending Government Money Market PortfolioFinancials · Capital Markets	4.29%	4.3%	17,887,137	$17.89M	Financials	Capital Markets
2	Debt	United States Treasury Note 2029-02-28Financials · Banks	1.47%	5.8%	-	$6.11M	Financials	Banks
Sector and industry · Pro
3	Debt	Us Treas Nts	1.22%	7.0%	-	$5.10M
4	Debt	Treasury Note (Otr) 3.38% Sep 15, 2028	0.96%	7.9%	-	$3.98M
5	—	Fannie Mae Pool 2 2040-09-01	0.90%	8.8%	-	$3.73M
6	—	Alloya Auto Receivables Trust 2025-1 4.69 2028-12-26	0.72%	9.6%	-	$3.01M
7	Debt	Treasury Note (Otr) 3.5% Sep 30, 2029	0.72%	10.3%	-	$2.98M
8	—	Gs Mortgage Securities Corporation Trust Gsms_23-Ship 4.4664 09-15-2038	0.64%	10.9%	-	$2.65M
9	Debt	Cnh Equipment Trust 2024-B	0.58%	11.5%	-	$2.42M
10	Debt	Sclp 2025-1 B	0.53%	12.0%	-	$2.19M
11	—	Amxca 24-2 A 5.24% 04-16-29	0.50%	12.5%	-	$2.08M
12	Debt	Dllaa 2025-1 Llc	0.49%	13.0%	-	$2.03M
13	—	Gmf Floorplan Owner Revolving Trust Ser 2024-4A Cl A1 Regd 144A P/P 4.73000000	0.49%	13.5%	-	$2.03M
14	Debt	Great America Leasing Receivables Funding Llc Series 2025-1	0.49%	14.0%	-	$2.02M
15	Debt	Sccu 2023	0.49%	14.5%	-	$2.05M
16	—	Cyrusone Data Centers Issuer I Llc	0.49%	15.0%	-	$2.02M
17	—	Ford Credit Auto Owner Trust 4.87 2036-08-15	0.49%	15.5%	-	$2.05M
18	—	Talnt 2023-1A A 4.93 2036/06/25	0.49%	16.0%	-	$2.05M
19	Debt	Wheels Fleet Lease Funding 1 Llc	0.48%	16.4%	-	$2.02M
20	Debt	Bmw Vehicle Lease Trust Bmwlt 2024 2 A3	0.48%	16.9%	-	$2.01M
21	Debt	-	0.48%	17.4%	-	$2.02M
22	Debt	Penfed Auto Receivables Owner Trust 2025-A	0.48%	17.9%	-	$2.00M
23	Debt	Tesla Auto Lease Trust 2024-B Tesla 2024-B A3	0.48%	18.4%	-	$2.01M
24	Debt	American Heritage Auto Receivables Issuer Trust 2025-1	0.48%	18.8%	-	$2.01M
25	—	Compass Datacenters Issuer II LLC	0.48%	19.3%	-	$2.01M
26	—	Aligned Data Centers Issuer Ll 2046-08-15	0.47%	19.8%	-	$1.97M
27	Debt	Asian Development Bank	0.47%	20.3%	-	$1.97M
28	—	Ansley Park 4.43% 04/35	0.47%	20.7%	-	$1.97M
29	—	Databank Issuer Ii Llc	0.47%	21.2%	-	$1.97M
30	—	Mmaf Equipment Finance Llc 2023-A Ser 2023-A Cl A3 Regd 144A P/P 5.54000000	0.46%	21.7%	-	$1.90M
31	—	Peac Solutions Receivables Llc Peac 2025 1A A2 144A 4.94 2028-10-20	0.46%	22.1%	-	$1.91M
32	—	Scf Equipment Leasing 2025-2 Llc Scfet 2025-2A A3 4.33 2036-06-20	0.46%	22.6%	-	$1.90M
33	—	Usaa Auto Owner Trust 2024-A 03/15/2029	0.44%	23.0%	-	$1.84M
34	Debt	Enterprise Fleet Financing 2024-2 Llc	0.37%	23.4%	-	$1.52M
35	—	Avis Budget Rental Car Funding Aesop Llc	0.36%	23.8%	-	$1.52M
36	—	Nextgear Floorplan Master Owner Trust Ser 2023-1A Cl A2 Regd 144A P/P 5.74000000	0.36%	24.1%	-	$1.50M
37	Debt	Veros Auto Receivables Trust 2026-1	0.36%	24.5%	-	$1.50M
38	—	Domino'S Pizza Master Issuer Llc Dpabs 2021-1A A2I 2.662000% 04/25/2051	0.33%	24.8%	-	$1.39M
39	Debt	Discover Financial Services	0.30%	25.1%	-	$1.25M
40	—	Baat 2023-2A A4	0.28%	25.4%	-	$1.15M
41	Debt	Murphy Oil Usa, Inc	0.28%	25.7%	-	$1.16M
42	Debt	Amur Eqipment Finance Receivables Xiii LLC	0.27%	25.9%	-	$1.12M
43	—	Crh Smw Finance Dac 5.13% Jan 09, 2030	0.27%	26.2%	-	$1.13M
44	—	Eaton Capital Ulc Company Guar 05/30 4.45	0.27%	26.5%	-	$1.11M
45	Debt	Alaska Airlines	0.26%	26.7%	-	$1.10M
46	—	Volvo Financial Equipment Llc Series 2024-1	0.26%	27.0%	-	$1.10M
47	—	United Airlines 2019-2 Class A Pass Through Trust	0.26%	27.3%	-	$1.06M
48	—	Hess Midstream Operation 6.5% 01Jun2029	0.25%	27.5%	-	$1.04M
49	Debt	Ingersoll Rand Inc	0.25%	27.8%	-	$1.03M
50	Debt	Iqvia Inc	0.25%	28.0%	-	$1.03M
More holdings · Pro

Not reported for this fund: share changes.

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CSTBX Mutual Fund All Holdings

CSTBX holdings total 484 positions. The top 10 holdings account for 12.0% of the fund, led by State Street Navigator Securities Lending Government Money Market Portfolio at 4.3%, United States Treasury Note 2029-02-28 at 1.5%, Us Treas Nts 4.25% 01/31/30 at 1.2%.

CSTBX portfolio concentration is well-diversified, with the top 10 representing 12.0% of total assets. The largest sector exposure is Financials at 36.9%.

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