Top Stock Gainers October 2025 - Monthly Performance Ranked
The top US-listed stocks of October 2025 by monthly gain, on split-adjusted closes. Ranks 4,061 companies above $100M on NYSE, Nasdaq and NYSE American.
Filter by sector or market cap, or find a symbol
2 stocks are withheld from this ranking because their price history is under review.
The gain covers the period; price, market cap, sector and country show each company as it is today.
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Rank
Symbol
Company Name
Oct Gain
Market Cap (today)
Price (today)
Country
Sector
780
+7.56%
$203.79M
$3.98
United States
Communication Services
Top gain on this page
+8.68% RIO
Rows on this page
100 ranks 701–800
Page
8 of 41
Period
October 2025 closed
Looking for a specific symbol?
52-WEEK LEADER
MGRT
+1,875%
Mega Fortune Company L..
2025 YTD LEADER
RGC
+16,054%
Regencell Bioscience H..
OCT 2025 LEADER
SPRB
+1,130%
Spruce Biosciences, Inc.
This ranking shows the top performing stocks and biggest stock gainers of October 2025, measured from the last close of September to the last close of October.
Monthly performance rankings can reveal price strength, sustained momentum, sector rotation, and event-driven moves that are not visible in one-day movers lists. The table is informational only and does not recommend any stock to buy, sell, or hold.
Gains are computed on split-adjusted closes, so a split inside the month does not read as a move. This ranking is informational and is not investment advice.