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The gain covers the period; price, market cap, sector and country show each company as it is today.
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Over June 2026, 58% of the 4,314 ranked companies finished higher and the median move was +1.3%; Healthcare led on median (+7.5%) and Basic Materials lagged (-12.1%). The S&P 500 fund (SPY) moved -1.28% between its May 29, 2026 and Jun 30, 2026 closes. A company that began trading during the period is measured from its first close, over a shorter window.
This page answers a question about a finished month with data: which US-listed stocks posted the strongest price gains in June 2026. The ranking is based on observed market performance, not analyst ratings, price targets, or investment recommendations.
Use the list to research momentum, market breadth, sector strength, and catalysts behind large moves. Before acting on any stock, review the company's news, SEC filings, liquidity, volatility, and your own risk constraints.
Among the 4,314 NYSE, Nasdaq and NYSE American stocks currently eligible for this ranking, RTB (RTB Digital, Inc.) has the highest gain in June 2026 with +246%. Following are OTLK (+118%) and HQ (+110%).
This ranking shows the top performing stocks and biggest stock gainers of June 2026, measured from the last close of May to the last close of June.
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.
RTB (RTB Digital, Inc.) has the highest monthly gain in this ranking for June 2026, with a gain of 246%. Top performers include RTB, OTLK, HQ.
The biggest gainers in June 2026 were: RTB (+246%), OTLK (+118%), HQ (+110%), DFTX (+94%), TOP (+92%). These monthly rankings show which stocks had the strongest short-term momentum.
No. This page is an informational ranking of stocks that have already gone up during June 2026. It does not make buy, sell, or hold recommendations and should be used as a research starting point, not financial advice.
The ranking shows where price strength is concentrated during June 2026. Comparing the top gainers by sector, market cap, and recent catalysts can help identify momentum themes and market rotation without implying that any listed stock is a recommendation.
4,314 companies with a market capitalization above $100 million traded on NYSE, Nasdaq and NYSE American, each with at least one trading day inside June 2026. One close inside the month is enough to qualify, so a company that listed during the month is ranked on the part of it that it traded.
The five highest-gaining companies in June 2026 sit in Technology, Healthcare and Financial Services, with the leader RTB in Technology. That describes the top of this list, not a sector ranking; the market-context strip under the table reports the median move of each sector's ranked companies.
Each gain runs from the last split-adjusted close of the previous month to the last close of the month. A company whose trading history begins inside the month is measured from its first close.
This page ranks stocks by their full-month performance in June 2026. For today's top stock gainers, real-time stock movers, and the most active stocks right now, visit our Momentum Scanner, which tracks live intraday activity across US-listed symbols.
Monthly performance rankings reveal short-term momentum patterns and help identify stocks experiencing rapid price movements:
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.
