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Top Stock Gainers September 2021 - Monthly Performance Ranked

Discover the best stocks of September 2021 ranked by monthly performance. Find out which public companies delivered the highest returns this month, with market caps over $100 million on Nasdaq and NYSE.
2021

This ranking shows the best performing stocks during September 2021, calculated from the first to the last trading day of the month. Using split-adjusted data ensures accurate performance calculations.

Monthly performance rankings help identify short-term momentum and sector rotation patterns that may not be visible in longer timeframes. These rapid movers often present opportunities for traders and momentum investors.

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Data as of March 20, 2026 at 8:10 PM EDT

Rank
Symbol
Company Name
Sep Gain
Market Cap
Price
Country
Sector
1801
-11.87%
102.00 M
$ 5.45
United States
Financial Services
1802
-11.93%
580.25 M
$ 14.1
United States
Technology
1803
-12.09%
17.04 B
$ 39.5
United States
Industrials
1804
-12.13%
16.74 B
$ 477.21
United States
Industrials
1805
-12.15%
13.73 B
$ 32.34
United Kingdom
Healthcare
1806
-12.2%
6.45 B
$ 16.49
United States
Consumer Cyclical
1807
-12.26%
5.35 B
$ 70.92
United States
Utilities
1808
-12.3%
148.70 M
$ 3.39
United States
Basic Materials
1809
-12.4%
6.90 B
$ 266.61
United States
Technology
1810
-12.41%
36.47 B
$ 40.75
South Africa
Basic Materials
1811
-12.44%
37.10 B
$ 85.07
United States
Real Estate
1812
-12.45%
7.28 B
$ 40.37
United States
Utilities
1813
-12.65%
1.81 B
$ 11.92
United States
Technology
1814
-12.69%
4.71 B
$ 36.76
United States
Financial Services
1815
-12.69%
1.47 B
$ 19.93
United States
Technology
1816
-12.75%
1.23 B
$ 8.47
United States
Technology
1817
-12.75%
93.80 B
$ 423.03
Ireland
Industrials
1818
-12.77%
283.87 M
$ 7.25
China
Technology
1819
-12.77%
9.48 B
$ 56.87
China
Consumer Defensive
1820
-12.83%
5.35 B
$ 6.14
Turkey
Communication Services
1821
-12.83%
2.60 B
$ 6.11
United States
Consumer Cyclical
1822
-12.83%
3.68 B
$ 63.48
United States
Utilities
1823
-12.85%
18.60 B
$ 19.15
China
Consumer Cyclical
1824
-12.89%
547.19 M
$ 0.9807
United States
Communication Services
1825
-12.89%
30.96 B
$ 85.6
United States
Consumer Defensive
1826
-12.95%
984.75 M
$ 5.52
United States
Healthcare
1827
-12.95%
5.40 B
$ 86.15
United States
Utilities
1828
-12.97%
6.85 B
$ 32.57
United States
Real Estate
1829
-12.99%
3.00 B
$ 15.37
United States
Financial Services
1830
-13.09%
257.50 M
$ 2.9
China
Communication Services
1831
-13.18%
2.84 B
$ 18.94
United States
Basic Materials
1832
-13.2%
6.22 B
$ 168.58
United States
Industrials
1833
-13.2%
590.82 M
$ 4.79
United States
Technology
1834
-13.22%
680.93 M
$ 7.7
United States
Consumer Defensive
1835
-13.25%
2.65 B
$ 24.84
Canada
Basic Materials
1836
-13.26%
176.48 M
$ 2.03
China
Financial Services
1837
-13.27%
357.60 M
$ 10.55
United States
Consumer Cyclical
1838
-13.28%
1.98 B
$ 45.04
Luxembourg
Technology
1839
-13.3%
62.91 B
$ 179.85
United States
Real Estate
1840
-13.36%
3.25 B
$ 26.8
Canada
Basic Materials
1841
-13.39%
4.01 B
$ 46.6
United States
Consumer Cyclical
1842
-13.4%
5.49 B
$ 107.1
United States
Energy
1843
-13.44%
297.98 M
$ 2.04
United States
Technology
1844
-13.44%
40.17 B
$ 137.98
United States
Consumer Cyclical
1845
-13.48%
15.29 B
$ 104.91
United States
Consumer Cyclical
1846
-13.48%
2.53 B
$ 5.94
United States
Consumer Cyclical
1847
-13.52%
405.25 M
$ 0.5606
United States
Industrials
1848
-13.53%
2.57 B
$ 8.69
Canada
Basic Materials
1849
-13.53%
874.40 M
$ 7.06
Germany
Consumer Cyclical
1850
-13.55%
10.09 B
$ 202.36
United States
Industrials
1851
-13.58%
352.00 M
$ 2.18
Canada
Basic Materials
1852
-13.58%
552.02 M
$ 97.32
United States
Communication Services
1853
-13.64%
153.81 M
$ 5.49
United States
Consumer Cyclical
1854
-13.64%
2.92 B
$ 30.16
Canada
Industrials
1855
-13.68%
30.51 B
$ 185.59
United States
Healthcare
1856
-13.69%
477.01 M
$ 7.76
1857
-13.7%
238.77 M
$ 15.68
United States
Consumer Cyclical
1858
-13.71%
396.75 M
$ 30.24
United States
Basic Materials
1859
-13.73%
23.21 B
$ 93.72
United States
Consumer Cyclical
1860
-13.86%
4.56 B
$ 37.45
United States
Energy
1861
-13.9%
772.47 M
$ 20.65
United States
Consumer Cyclical
1862
-13.95%
1.57 B
$ 2.93
Mexico
Communication Services
1863
-13.96%
558.54 M
$ 25.23
United States
Consumer Cyclical
1864
-14.14%
29.39 B
$ 299.57
United States
Healthcare
1865
-14.14%
2.92 B
$ 17.22
United States
Consumer Cyclical
1866
-14.15%
2.16 B
$ 11.67
Chile
Consumer Defensive
1867
-14.18%
8.96 B
$ 24.08
United States
Consumer Cyclical
1868
-14.27%
12.94 B
$ 136.57
United States
Consumer Cyclical
1869
-14.3%
6.57 B
$ 48.79
United States
Technology
1870
-14.31%
876.67 M
$ 16.81
Switzerland
Consumer Cyclical
1871
-14.4%
2.83 B
$ 36.43
United States
Consumer Cyclical
1872
-14.44%
935.35 M
$ 52.01
United States
Utilities
1873
-14.48%
2.69 B
$ 9.62
Brazil
Technology
1874
-14.51%
37.42 B
$ 3.54
Brazil
Financial Services
1875
-14.52%
46.76 B
$ 166.69
United States
Industrials
1876
-14.56%
298.19 B
$ 124.9
Hong Kong
Consumer Cyclical
1877
-14.6%
8.71 B
$ 8.33
China
Technology
1878
-14.62%
3.21 B
$ 122.87
United States
Consumer Cyclical
1879
-14.63%
9.74 B
$ 84.1
United States
Industrials
1880
-14.63%
8.62 B
$ 13.65
South Africa
Basic Materials
1881
-14.74%
7.36 B
$ 272.7
United States
Consumer Cyclical
1882
-14.75%
3.08 B
$ 64
United States
Consumer Cyclical
1883
-14.79%
270.70 M
$ 5.54
United States
Industrials
1884
-14.83%
165.47 M
$ 0.4554
United States
Financial Services
1885
-14.86%
4.24 B
$ 60.2
United States
Consumer Cyclical
1886
-14.91%
145.49 M
$ 15.34
United States
Financial Services
1887
-14.95%
4.24 B
$ 17.23
United States
Technology
1888
-15.01%
365.57 M
$ 46.47
United States
Industrials
1889
-15.02%
4.93 B
$ 64.54
United States
Financial Services
1890
-15.05%
33.19 B
$ 3.14
Brazil
Financial Services
1891
-15.06%
102.98 B
$ 269.17
United States
Industrials
1892
-15.15%
918.92 M
$ 19.67
United States
Consumer Defensive
1893
-15.15%
26.41 B
$ 1113.16
United States
Technology
1894
-15.2%
6.55 B
$ 12.24
United States
Technology
1895
-15.25%
1.92 B
$ 36.25
United States
Industrials
1896
-15.28%
37.06 B
$ 161.95
United States
Basic Materials
1897
-15.29%
2.21 B
$ 18.54
United Kingdom
Consumer Cyclical
1898
-15.32%
46.61 B
$ 21.31
Taiwan
Technology
1899
-15.46%
535.21 M
$ 29.9
United States
Industrials
1900
-15.5%
6.58 B
$ 57.9
United States
Industrials
For the most accurate results, consider cross-referencing our data with other sources.