Which funds can replace MXMDX?

Which mutual funds can replace MXMDX?

Which mutual funds can replace MXMDX? ranked by return similarity
RankTickerFundReturn similarity
1PESPXBNY Mellon MidCap Index Fund Investor Shares100.0%
2NOMIXNorthern Mid Cap Index Fund100.0%
3PMFJXPrincipal MidCap S&P 400 Index Fund Class J100.0%
4VMIDXVALIC Company I Mid Cap Index Fund100.0%
5NTIAXColumbia Mid Cap Index Fund Class A100.0%
6MDPIXProFunds Mid Cap Fund Investor Class100.0%
7GMXAXNationwide Mid Cap Market Index Fund Class A100.0%
8FMCLXFederated Hermes Mid-Cap Index Fund Class R6 Shares100.0%
9SPMIXShelton Capital Management S&P Midcap Index Fund Investor Shares100.0%
10IPMSXVoya Index Plus MidCap Portfolio Class S99.5%
11PQCCXPGIM Quant Solutions Mid-Cap Index Fund- Class R699.5%
12SCECXSteward Values-Focused Small-Mid Cap Enhanced Fund Instl99.5%
13SAUMXSA U.S. Small Company Fund98.9%
14MSCGXMercer US Small/Mid Cap Equity Fund Class Y398.9%
15VYMQXVoya MI Dynamic SMID Cap Fund Class A98.8%
16FMCDXFidelity Advisor Stock Selector Mid Cap Fund - Class A98.7%
17NAESXVanguard Morningstar Small-Cap Index Fund Investor Shares98.6%
18RTSAXRussell Investment Tax-Managed U.S. Mid & Small Cap Fund Class A98.5%
19BBTSXBridge Builder Tax Managed Small/Mid Cap Fund98.4%
20VSEQXVanguard Strategic Equity Fund Investor Shares98.3%