COSIX Mutual Fund

COSIX Mutual Fund

NAV$21.07
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Showing top 50 of 1,262 holdings · as of Jun 30, 2026
COSIX holdings, by weight
#TickerNameWeightCumulativeMkt value
1—Columbia Short Term Cash Fund 0.00% 2222-12-31
7.07%		7.1%$423.00M
2—Umbs 30Yr Tba(Reg A) 5.00% 2056-07-13
3.33%		10.4%$199.45M
3—Umbs 30Yr Tba(Reg A) 5.50% 2056-07-13
2.95%		13.4%$176.66M
4—Umbs 30Yr Tba(Reg A) 4.00% 2056-07-13
2.72%		16.1%$163.08M
5—Umbs 30Yr Tba(Reg A) 6.00% 2056-07-13
2.60%		18.7%$155.38M
6—Umbs 30Yr Tba(Reg A) 4.50% 2056-07-13
1.62%		20.3%$96.75M
7—Umbs 30Yr Tba(Reg A) 3.00% 2056-07-13
1.05%		21.3%$62.76M
8
HYSD
Columbia Shrt Dur Hi Yld Etf
0.97%		22.3%$58.11M
9—Fnma 30Yr Umbs Super 3.50% 2052-05-01
0.91%		23.2%$54.63M
10—Fnma 30Yr Umbs Super 3.50% 2052-05-01
0.83%		24.1%$49.53M
11—Fnma_22-60A 4.33% 2052-09-25
0.73%		24.8%$43.62M
12—Fhlmc 30Yr Umbs Super 3.00% 2052-05-01
0.72%		25.5%$42.93M
13—Turkey (Republic Of) 7.13% 2032-02-12
0.71%		26.2%$42.57M
14—JPMorgan Chase & Co 4.62% 2032-04-23
0.60%		26.8%$35.90M
15—Fhlmc 30Yr Umbs Super 5.00% 2052-12-01
0.59%		27.4%$35.05M
16—Aspwp-29-1A 6.71% 2029-03-29
0.57%		28.0%$33.85M
17—Glm_25-27 4.87% 2039-01-20
0.55%		28.5%$33.01M
18—Fhlmc 30Yr Umbs Super 6.00% 2053-12-01
0.53%		29.1%$31.55M
19—Fhlmc 30Yr Umbs Super 5.50% 2053-12-01
0.52%		29.6%$31.07M
20—Mdpk_18-29Ar 4.86% 2038-03-25
0.51%		30.1%$30.46M
21—South Africa (Republic Of) 5.75% 2049-09-30
0.51%		30.6%$30.27M
22—Bcat_26-1 6.67% 2031-06-12
0.51%		31.1%$30.37M
23—Fnma 30Yr Umbs Super 5.50% 2053-10-01
0.49%		31.6%$29.41M
24—Paid_26-1 5.37% 2033-09-15
0.48%		32.1%$28.45M
25—Bravo_26-Nmr1 5.40% 2062-08-25
0.48%		32.6%$28.67M
26—Bank Of America Corp 4.70% 2032-04-23
0.48%		33.0%$28.76M
27—Msrm_26-Dsc2 5.44% 2071-04-27
0.48%		33.5%$28.44M
28—Gnma2 30Yr Tba(Reg C) 3.00% 2056-07-20
0.47%		34.0%$28.39M
29—Bacardi Ltd / Martini Bv 5.40% 2033-06-15
0.47%		34.4%$27.84M
30—Prpm_25-Nqm6 4.99% 2070-10-25
0.46%		34.9%$27.25M
31—Fnma 30Yr Umbs 3.00% 2052-04-01
0.44%		35.3%$26.59M
32—Ghana (Republic Of) 5.00% 2035-07-03
0.42%		35.8%$25.03M
33—Fhlmc_5513 7.58% 2054-06-25
0.41%		36.2%$24.53M
34—Mfra_24-Npl1 6.33% 2054-09-25
0.39%		36.6%$23.27M
35—Gnma_25-39 7.61% 2055-03-20
0.38%		36.9%$22.54M
36—Jpmmt_26-Nqm2 5.61% 2066-09-25
0.38%		37.3%$22.88M
37—Fhlmc 30Yr Umbs Super 5.00% 2053-10-01
0.38%		37.7%$22.91M
38—Prpm_26-Nqm2 5.26% 2071-04-25
0.36%		38.1%$21.55M
39—South Africa (Republic Of) 7.30% 2052-04-20
0.36%		38.4%$21.59M
40—Fhlmc_5517 7.58% 2055-03-25
0.35%		38.8%$20.91M
41—Hca Inc 3.50% 2030-09-01
0.34%		39.1%$20.13M
42—Petroleos Mexicanos 6.35% 2048-02-12
0.34%		39.5%$20.57M
43—Trk_24-Rrtl2 5.50% 2039-09-25
0.33%		39.8%$19.67M
44—Grade_26-Loc6 5.08% 2056-06-25
0.33%		40.1%$20.02M
45—Cygpk_20-1A 4.88% 2038-10-17
0.33%		40.5%$19.94M
46—Petroleos Mexicanos 7.69% 2050-01-23
0.33%		40.8%$19.58M
47—Peru (Republic Of) 5.50% 2036-03-30
0.32%		41.1%$19.22M
48—Paid_26-4 6.25% 2034-01-16
0.32%		41.4%$19.17M
49—Mpowr_25-1 6.25% 2042-12-22
0.32%		41.7%$18.90M
50—Ardonagh Group Finance Ltd 8.88% 2032-02-15
0.31%		42.1%$18.72M
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COSIX Mutual Fund All Holdings

COSIX holdings total 1296 positions. The top 10 holdings account for 24.1% of the fund, led by Columbia Short Term Cash Fund 0.00% 2222-12-31 at 7.1%, Umbs 30Yr Tba(Reg A) 5.00% 2056-07-13 at 3.3%, Umbs 30Yr Tba(Reg A) 5.50% 2056-07-13 at 3.0%.

COSIX portfolio concentration is well-diversified, with the top 10 representing 24.1% of total assets. The largest sector exposure is Real Estate at 0.0%.

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