COSIX Mutual Fund

COSIX Mutual Fund

NAV$21.63
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Showing the top 10 of 1,305 holdings · as of Feb 28, 2026
Top 10 weight
23.49%
COSIX top 10 holdings, by weight
#TickerNameWeightCumulativeSharesMkt value
1—Columbia Short Term Cash Fund
6.10%		6.1%369,469,698$369.40M
2—Fannie Mae Or Freddie Mac 03/01/2053
3.37%		9.5%-$203.91M
3—Umbs 30Yr Tba(Reg A) 5.5% Mar 13, 2023
2.96%		12.4%-$178.92M
4DebtFnma Tba 30 Yr 4 Single Family Mortgage
2.80%		15.2%-$169.58M
5—Fannie Mae Pool 0.06% Mar 13/2053
2.58%		17.8%-$155.90M
6—Umbs 30Yr Tba(Reg A) 4.5 Umbs Tba 03-01-50
1.65%		19.5%-$99.87M
7—Fnma 30Yr Umbs Super
1.11%		20.6%-$66.96M
8—Umbs 30Yr Tba(Reg A) 3% Mar 11, 2021
1.08%		21.6%-$65.10M
9
HYSD
Columbia Short Duration High Yield Etf
0.96%		22.6%2,876,000$58.39M
10—Fnma 30Yr Umbs Super
0.88%		23.5%-$53.30M
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COSIX Mutual Fund Top Holdings

COSIX holdings top 10 positions. The top 10 holdings account for 23.5% of the fund, led by Columbia Short Term Cash Fund at 6.1%, Fannie Mae Or Freddie Mac 03/01/2053 at 3.4%, Umbs 30Yr Tba(Reg A) 5.5% Mar 13, 2023 at 3.0%.

COSIX portfolio concentration is well-diversified, with the top 10 representing 23.5% of total assets. The largest sector exposure is Financials at 16.7%.

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