WM Technology (MAPSW) had the highest return in July 2023 by a mid-cap US stock, returning 105.7%.

ASSET	MONTH	% RETURN
WM Technology (MAPSW)	July 2023	105.67%
Rigetti Computing (RGTI)	July 2023	102.44%
BridgeBio Pharma (BBIO)	July 2023	100.86%
Upstart Holdings (UPST)	July 2023	92.62%
Recursion Pharmaceuticals (RXRX)	July 2023	89.53%
Vicor (VICR)	July 2023	70.08%
Terawulf (WULF)	July 2023	64.97%
Quantumscape (QS)	July 2023	63.51%
Archer Aviation (ACHR)	July 2023	60.24%
Trupanion (TRUP)	July 2023	56.04%
Riot Blockchain (RIOT)	July 2023	55.37%
Nio Inc Class A ADR (NIO)	July 2023	50.74%
ServisFirst Bancshares (SFBS)	July 2023	46.02%
Canoo (GOEVW)	July 2023	44.33%
CVB Financial (CVBF)	July 2023	42.88%
Tandem Diabetes Care (TNDM)	July 2023	41.72%
Western Alliance Bancorporation (WAL)	July 2023	40.6%
Zions Bancorporation (ZION)	July 2023	40.32%
Iris Energy (IREN)	July 2023	40.21%
BankUnited (BKU)	July 2023	39.02%
CleanSpark (CLSK)	July 2023	38.8%
Lemonade (LMND)	July 2023	37.41%
Bank of Hawaii (BOH)	July 2023	36.87%
Independent Bank (INDB)	July 2023	34.37%
Trump Media & Technology (DJT)	July 2023	34.32%

Mid-cap stocks are treated as having a market cap between $2B and $10B.