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#1 THAR leads with +380% August 2025

Among the 3,778 NYSE, Nasdaq and NYSE American stocks currently eligible for this ranking, THAR (Canton Strategic Holdings Inc) has the highest gain in August 2025 with +380%. Following are MENS (+187%) and PGEN (+170%). Top performing sectors: Real Estate (+112% avg), Communication Services (+109% avg), Healthcare (+94% avg, 6 in top 10).

Top Stock Gainers August 2025 - Monthly Performance Ranked

Track the top performing stocks of August 2025 ranked by monthly price gain. See which stock gainers delivered the highest gains this month, with market caps over $100 million on Nasdaq and NYSE.

Best performing large-cap stocks in August 2025

SATS EchoStar Corporation +129.45% $30.12B
VSAT Viasat, Inc. +94.99% $10.60B
IREN IREN Limited +71.95% $13.15B
GH Guardant Health, Inc. +62.77% $21.48B
CDE Coeur Mining, Inc. +51.5% $15.37B
2025

This ranking shows the top performing stocks and biggest stock gainers during August 2025, 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.

August 2025 Stock Market Momentum

This page answers a current-month trend question with data: which NYSE and NASDAQ stocks have shown the strongest price gains so far in August 2025. 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.

Looking for a specific Symbol?

August 2025 ranking, complete through August 29, 2025

2 stocks are withheld from this ranking because their price history is under review.

The gain covers the period above. Price, market cap, sector and country show each company as it is today, not as it was then.

Rank
Symbol
Company Name
Aug Gain
Market Cap (today)
Price (today)
Country
Sector
1
379.84%
187.37 M
$ 4.74
United States
Healthcare
2
186.66%
163.46 M
$ 2.15
Taiwan
Healthcare
3
170.06%
2.24 B
$ 6.27
United States
Healthcare
4
166.36%
4.27 B
$ 7.49
United States
Technology
5
156%
414.34 M
$ 2.22
United States
Healthcare
6
153.39%
280.66 M
$ 6.49
Singapore
Technology
7
149.19%
332.20 M
$ 4.44
United States
Technology
8
145.07%
139.10 M
$ 2.2
United States
Healthcare
9
142.66%
618.36 M
$ 4.54
Canada
Healthcare
10
139.07%
1.39 B
$ 9.32
United States
Industrials
11
134.69%
375.39 M
$ 3.98
United States
Healthcare
12
134.24%
546.93 M
$ 4.94
China
Communication Services
13
129.45%
30.12 B
$ 103.915
United States
Communication Services
14
125.83%
261.05 M
$ 1.94
United States
Healthcare
15
117.04%
208.50 M
$ 5.75
United States
Industrials
16
113.9%
2.04 B
$ 9.39
United States
Healthcare
17
113.71%
6.83 B
$ 119.4
Hong Kong
Communication Services
18
112.34%
233.88 M
$ 1.92
United States
Consumer Defensive
19
111.9%
3.64 B
$ 3.77
United States
Real Estate
20
105.91%
4.34 B
$ 19.58
United States
Technology
21
104.52%
321.39 M
$ 2.67
United States
Consumer Cyclical
22
103.64%
934.35 M
$ 11.11
United States
Financial Services
23
100.8%
481.18 M
$ 8.73
United States
Basic Materials
24
98.87%
1.08 B
$ 7.04
United States
Healthcare
25
98.53%
8.75 B
$ 17.66
United States
Financial Services
26
94.99%
10.60 B
$ 76.93
United States
Technology
27
94.67%
106.26 M
$ 1.05
United States
Consumer Cyclical
28
93.26%
736.92 M
$ 5.95
Germany
Consumer Cyclical
29
92.66%
114.43 M
$ 7.03
United States
Technology
30
92.45%
292.55 M
$ 4.95
United States
Consumer Cyclical
31
92.38%
516.53 M
$ 2.85
United States
Utilities
32
92.24%
1.06 B
$ 4.48
France
Healthcare
33
89.7%
557.48 M
$ 5.31
United States
Healthcare
34
89.12%
184.46 M
$ 9.14
United States
Healthcare
35
88.85%
143.05 M
$ 17.36
Malaysia
Healthcare
36
88.74%
390.32 M
$ 8.59
United States
Healthcare
37
88.14%
299.54 M
$ 80
United States
Technology
38
86.05%
250.40 M
$ 1.7
Germany
Healthcare
39
80.74%
651.13 M
$ 10.37
United States
Technology
40
80.4%
1.82 B
$ 19.17
United States
Healthcare
41
79.64%
154.93 M
$ 3.78
United States
Industrials
42
77.32%
681.06 M
$ 36.81
United States
Healthcare
43
75.34%
579.11 M
$ 15.49
United States
Healthcare
44
75.31%
268.87 M
$ 82.25
Israel
Healthcare
45
74.58%
191.48 M
$ 1.79
United States
Basic Materials
46
73.39%
161.92 M
$ 4.32
France
Healthcare
47
71.95%
13.15 B
$ 36.8
Australia
Financial Services
48
71.43%
411.33 M
$ 0.9173
Canada
Healthcare
49
71.12%
696.31 M
$ 4.23
United States
Healthcare
50
71.06%
117.98 M
$ 1.16
United States
Industrials
51
70.76%
823.40 M
$ 13.72
United States
Technology
52
70.62%
267.20 M
$ 4.13
United States
Healthcare
53
70.16%
1.96 B
$ 15.29
United States
Healthcare
54
69.55%
299.02 M
$ 10.82
United States
Technology
55
69.51%
443.44 M
$ 23.5
United States
Financial Services
56
69.45%
510.48 M
$ 7.39
United States
Technology
57
68.88%
239.99 M
$ 5.38
United States
Technology
58
68.51%
160.64 M
$ 0.7403
United States
Healthcare
59
67.31%
317.51 M
$ 1.42
United States
Industrials
60
66.64%
149.56 M
$ 10.37
United States
Healthcare
61
66.48%
356.92 M
$ 11.86
United States
Technology
62
66.43%
1.02 B
$ 123.76
United States
Industrials
63
66.23%
103.68 M
$ 2.44
United States
Healthcare
64
65.67%
186.28 M
$ 2.12
Canada
Healthcare
65
64.44%
1.95 B
$ 17
United States
Consumer Cyclical
66
64.17%
403.63 M
$ 7.93
United States
Healthcare
67
63.95%
339.91 M
$ 5.34
China
Technology
68
63.89%
849.24 M
$ 28
United States
Healthcare
69
63.63%
1.69 B
$ 19.05
United States
Healthcare
70
63.32%
443.78 M
$ 28.07
United States
Basic Materials
71
62.92%
270.12 M
$ 2.86
United States
Healthcare
72
62.77%
21.48 B
$ 161.99
United States
Healthcare
73
62.6%
806.42 M
$ 5.49
United States
Basic Materials
74
62.5%
376.81 M
$ 22.57
Hong Kong
Industrials
75
62.42%
320.17 M
$ 1.23
Canada
Consumer Defensive
76
62.13%
2.34 B
$ 9.81
United States
Technology
77
62.07%
167.65 M
$ 1.51
United States
Healthcare
78
61.54%
995.35 M
$ 6.46
United States
Basic Materials
79
60.86%
471.62 M
$ 11.19
United States
Healthcare
80
60.37%
2.40 B
$ 43
Israel
Technology
81
60.24%
1.12 B
$ 21.07
United States
Industrials
82
59.98%
5.32 B
$ 25.62
United States
Basic Materials
83
59.56%
454.51 M
$ 1.74
Canada
Basic Materials
84
59.25%
4.74 B
$ 85.72
United States
Industrials
85
59.18%
409.44 M
$ 8.16
Hong Kong
Technology
86
58.78%
318.48 M
$ 3.9
United States
Healthcare
87
58.57%
819.46 M
$ 3.18
United States
Healthcare
88
58.11%
594.73 M
$ 24.73
United States
Industrials
89
56.77%
1.23 B
$ 9.12
United States
Communication Services
90
56.56%
7.48 B
$ 84.11
United States
Healthcare
91
55.04%
2.25 B
$ 6.37
United States
Consumer Cyclical
92
54.97%
9.13 B
$ 22.32
United States
Technology
93
54.79%
1.24 B
$ 4.03
Bermuda
Energy
94
54.73%
423.80 M
$ 2.09
Canada
Basic Materials
95
54.17%
194.77 M
$ 1.01
United States
Technology
96
54.05%
1.21 B
$ 24.36
United States
Healthcare
97
53.79%
681.43 M
$ 11.9
United States
Healthcare
98
53.72%
751.30 M
$ 5.07
United States
Basic Materials
99
53.59%
121.53 M
$ 3.21
United States
Consumer Cyclical
100
53.5%
137.63 M
$ 8.3601
Hong Kong
Technology
Return measured from the start of the stock's current trading history (a recent listing or relisting), not from the start of the month.
For the most accurate results, consider cross-referencing our data with other sources.

Frequently Asked Questions

Q Which stock has gained the most in August 2025?
A

THAR (Canton Strategic Holdings Inc) has the highest monthly gain in this ranking for August 2025, with a gain of 380%. Top performers this month include THAR, MENS, PGEN.

Q What stocks gained the most in August 2025?
A

The biggest gainers in August 2025 were: THAR (+380%), MENS (+187%), PGEN (+170%), ONDS (+166%), OVID (+156%). These monthly rankings show which stocks had the strongest short-term momentum.

Q Does this page recommend the best stocks to buy now?
A

No. This page is an informational ranking of stocks that have already gone up during August 2025. It does not make buy, sell, or hold recommendations and should be used as a research starting point, not financial advice.

Q How can this ranking help explain current stock market trends?
A

The ranking shows where price strength is concentrated during August 2025. 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.

Q Which sectors performed best in August 2025?
A

The top performing sectors in August 2025 included Healthcare, Technology, based on the stocks with highest monthly gains. THAR led the Healthcare sector.

Q How is monthly stock performance calculated?
A

Monthly stock performance is calculated by comparing the closing price on the last trading day of the month to the opening price on the first trading day. Split-adjusted prices ensure accuracy.

Q Where can I find today's top stock gainers and most active stocks?
A

This page ranks stocks by their full-month performance in August 2025. 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 market activity across NYSE and NASDAQ.

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.