Which funds can replace FCIXX?

Which mutual funds can replace FCIXX?

Which mutual funds can replace FCIXX? ranked by return similarity
RankTickerFundReturn similarity
1FZDXXFidelity Money Market Fund - Premium Class99.9%
2FCEXXFidelity Investments Money Market Treasury Portfolio - Class II99.5%
3FNBXXFidelity Government Money Market Fund - Class K699.5%
4FGNXXFidelity Series Government Money Market Fund99.4%
5FDLXXFidelity Treasury Only Money Market Fund99.4%
6FCGXXFidelity Investments Money Market Government Portfolio - Class III99.4%
7FOIXXFidelity Investments Money Market Treasury Only Portfolio - Class III99.3%
8FLGXXFidelity Flex Government Money Market Fund99.2%
9FDRXXFidelity Government Cash Reserves99.1%
10BRIXXBlackRock Cash Funds Treasury Institutional Shares98.2%
11AFAXXAmerican Funds U.S. Government Money Market Fund Class A98.1%
12JHMXXJohn Hancock Money Market Fund Class A97.9%
13IDSXXColumbia Government Money Market Fund Class A97.8%
14AMMXXThrivent Money Market Fund Class A97.2%
15FYHXXFidelity Treasury Digital Liquidity Fund97.2%
16SWVXXSchwab® Prime Advantage Money Fund Investor Shares97.1%
17SNOXXSchwab Treasury Obligations Money Fund™ - Investor Shares97.0%
18SNRXXSchwab Retirement Government Money Fund96.8%
19NOGXXNorthern U.S. Government Money Market Fund96.8%
20TRGXXT. Rowe Price U.S. Treasury Money Fund I Class96.8%