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Top Stock Gainers August 2021 - Monthly Performance Ranked

Track the top performing stocks of August 2021 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.
2021

This ranking shows the top performing stocks and biggest stock gainers during August 2021, 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.

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Data as of May 9, 2026 at 7:58 PM EDT

Rank
Symbol
Company Name
Aug Gain
Market Cap
Price
Country
Sector
3901
-25.17%
7.59 B
$ 56.81
United States
Technology
3902
-25.27%
292.73 M
$ 5.38
United States
Healthcare
3903
-25.29%
1.65 B
$ 48.75
United States
Energy
3904
-25.32%
6.45 B
$ 94.17
United States
Healthcare
3905
-25.64%
4.67 B
$ 80.12
Israel
Technology
3906
-25.99%
123.43 M
$ 19.86
United States
Industrials
3907
-26.22%
7.21 B
$ 9.08
Canada
Basic Materials
3908
-26.5%
955.07 M
$ 3.93
Canada
Basic Materials
3909
-26.62%
867.89 M
$ 8.74
United States
Healthcare
3910
-26.92%
130.61 M
$ 3.575
United States
Technology
3911
-27.54%
329.56 M
$ 1.83
United States
Healthcare
3912
-27.98%
227.08 M
$ 10.3294
China
Communication Services
3913
-28.09%
275.03 M
$ 2.93
China
Consumer Defensive
3914
-28.32%
2.91 B
$ 23.06
United States
Healthcare
3915
-28.57%
1.75 B
$ 75.91
United States
Industrials
3916
-28.92%
114.97 M
$ 2.38
United States
Healthcare
3917
-29.14%
3.32 B
$ 100.99
United States
Healthcare
3918
-29.98%
101.99 M
$ 10.2
United States
Healthcare
3919
-30.42%
331.80 M
$ 10.27
United States
Financial Services
3920
-30.46%
400.69 M
$ 3.64
United States
Consumer Defensive
3921
-31.12%
194.84 M
$ 8.64
United States
Healthcare
3922
-31.44%
675.36 M
$ 17.78
United States
Communication Services
3923
-32.31%
303.05 M
$ 1.195
China
Consumer Cyclical
3924
-32.56%
1.01 B
$ 2.82
Turkey
Consumer Cyclical
3925
-32.58%
492.51 M
$ 9.11
United States
Communication Services
3926
-33.33%
220.03 M
$ 3.16
Canada
Basic Materials
3927
-34.28%
725.15 M
$ 20.5
United States
Communication Services
3928
-35.88%
917.14 M
$ 5.9
United States
Healthcare
3929
-37.56%
192.58 M
$ 5
China
Financial Services
3930
-37.98%
164.72 M
$ 5.74
United States
Healthcare
3931
-38.72%
2.99 B
$ 7.7
United States
Healthcare
3932
-39.12%
348.25 M
$ 8.1
United States
Technology
3933
-39.94%
876.92 M
$ 17.01
United States
Healthcare
3934
-41.02%
894.00 M
$ 16.16
United States
Communication Services
3935
-41.32%
283.87 M
$ 7.25
China
Technology
3936
-45.57%
465.38 M
$ 34.71
United States
Financial Services
3937
-46.07%
711.04 M
$ 27.31
United States
Financial Services
3938
-46.97%
197.51 M
$ 1.12
United States
Financial Services
3939
-48.43%
115.17 M
$ 1.655
United States
Healthcare
3940
-48.97%
11.19 B
$ 217.38
United States
Healthcare
3941
-50.62%
1.52 B
$ 2.48
China
Technology
3942
-89.84%
2.44 B
$ 31.34
United States
Real Estate
For the most accurate results, consider cross-referencing our data with other sources.