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Top Stock Gainers September 2026 - Monthly Performance Ranked

The top US-listed stocks of September 2026 by monthly gain, on split-adjusted closes. Ranks companies above $100M on NYSE, Nasdaq and NYSE American.

Looking for intraday moves instead? Today's stock movers ranks the current session's alert board, so it measures against whichever session is running rather than covering a fixed window.

2026
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Rank
Symbol
Company Name
Sep Gain
Market Cap
Price
Country
Sector
Top gain on this page —
Rows on this page 0
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Period September 2026 running
Looking for a specific Symbol?
MARKET LEADERS
52-WEEK LEADER
SNDK +2968%
SanDisk Corp
2026 YTD LEADER
MGRT +1262%
Mega Fortune Company L..
52-Week Top 5 Full List →
1 SNDK +2967.8% 2 MGRT +2726.2% 3 AXTI +1747.9% 4 ERAS +1017.5% 5 NUAI +1014.1%
2026 YTD Top 5 Full List →
1 MGRT +1262.1% 2 ANL +928.3% 3 XHLD +627.2% 4 SNDK +469.2% 5 ROMA +455.6%
September 2026 Top 5 Full List →
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Quick Access: 52-Week 2026 YTD Sep 2026 Market Cap Dividends

This ranking shows the top performing stocks and biggest stock gainers during September 2026, calculated from the first to the last trading day of the month. It shows which stocks are going up this month, with split-adjusted data used for consistent performance calculations.

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.

Understanding Monthly Stock Performance

Monthly performance rankings reveal short-term momentum patterns and help identify stocks experiencing rapid price movements:

  • Momentum Research: Stocks showing strong monthly performance can help identify where market attention and price strength are concentrated.
  • Sector Rotation: Monthly rankings can reveal which sectors are gaining favor with investors and where market leadership is shifting.
  • Event-Driven Moves: Earnings releases, product launches, and regulatory approvals often create significant monthly price movements.

Using Monthly Data Effectively

  • Combine Timeframes: Compare monthly gainers with 52-week and YTD performance to identify stocks with both short and long-term momentum.
  • Research the Catalyst: Investigate why top monthly performers moved significantly. The reason for the move matters as much as the percentage gain.
  • Watch for Reversals: Extreme monthly gains sometimes precede corrections, so treat the ranking as a research starting point rather than a buy list.

Evaluate Your Positions

Researching one of this month's top movers? Use our Stock Return Calculator to review historical performance, or the Position Size Calculator to model position sizing and risk before making your own decision.