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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 17, 2026 at 9:08 AM EDT

Rank
Symbol
Company Name
Sep Gain
Market Cap
Price
Country
Sector
1901
-15.5%
6.75 B
$ 59.38
United States
Industrials
1902
-15.54%
12.53 B
$ 10.14
Brazil
Basic Materials
1903
-15.58%
14.67 B
$ 20.7
United States
Industrials
1904
-15.6%
1.79 B
$ 37.4
United States
Healthcare
1905
-15.61%
1.72 B
$ 58.38
United States
Real Estate
1906
-15.64%
1.56 B
$ 2.44
United Kingdom
Technology
1907
-15.67%
2.90 B
$ 2.28
China
Consumer Defensive
1908
-15.74%
633.18 M
$ 9.65
United States
Communication Services
1909
-15.85%
45.29 B
$ 2.9
Brazil
Consumer Defensive
1910
-15.87%
292.29 M
$ 3.45
United States
Consumer Cyclical
1911
-15.88%
9.18 B
$ 66.4
United States
Industrials
1912
-15.94%
6.00 B
$ 187.23
United States
Basic Materials
1913
-15.99%
282.94 M
$ 11.16
Singapore
Financial Services
1914
-16.04%
23.50 B
$ 122.17
United States
Consumer Cyclical
1915
-16.04%
63.28 B
$ 139.19
Canada
Basic Materials
1916
-16.06%
1.35 B
$ 25.59
United States
Industrials
1917
-16.11%
110.46 M
$ 10.05
United States
Consumer Cyclical
1918
-16.11%
9.49 B
$ 63.13
United States
Consumer Cyclical
1919
-16.14%
1.78 B
$ 4.46
Brazil
Basic Materials
1920
-16.22%
2.48 B
$ 14.9
United States
Consumer Cyclical
1921
-16.22%
1.22 B
$ 8.91
Canada
Technology
1922
-16.52%
697.55 M
$ 1.56
United States
Financial Services
1923
-16.65%
16.89 B
$ 187.78
United States
Consumer Cyclical
1924
-16.7%
1.95 B
$ 3.3
Canada
Technology
1925
-16.7%
3.20 B
$ 37.38
United States
Technology
1926
-16.86%
2.69 B
$ 30.58
South Africa
Basic Materials
1927
-16.95%
995.61 M
$ 3.91
United States
Healthcare
1928
-17.04%
36.31 B
$ 53.7
United States
Consumer Cyclical
1929
-17.05%
710.04 M
$ 4.3
China
Financial Services
1930
-17.14%
552.73 M
$ 2.87
Hong Kong
Consumer Cyclical
1931
-17.4%
5.75 B
$ 98.94
United States
Healthcare
1932
-17.43%
1.30 B
$ 15.89
United States
Consumer Cyclical
1933
-17.51%
422.53 M
$ 5.47
United States
Healthcare
1934
-17.54%
83.14 B
$ 352.35
United States
Industrials
1935
-17.56%
4.91 B
$ 8.61
United States
Basic Materials
1936
-17.61%
10.43 B
$ 23.28
United States
Consumer Cyclical
1937
-17.83%
1.46 B
$ 15.77
United States
Consumer Cyclical
1938
-17.84%
142.76 M
$ 0.826
United States
Consumer Cyclical
1939
-17.89%
1.46 B
$ 13.04
United States
Consumer Cyclical
1940
-18.01%
179.26 B
$ 70.31
Australia
Basic Materials
1941
-18.14%
1.58 B
$ 15.29
United States
Consumer Defensive
1942
-18.31%
190.11 M
$ 4.65
China
Financial Services
1943
-18.42%
12.40 B
$ 153.56
United States
Technology
1944
-18.48%
3.62 B
$ 45.05
United States
Consumer Cyclical
1945
-18.7%
662.69 M
$ 3.83
Cayman Islands
Technology
1946
-18.82%
1.74 B
$ 10.26
United States
Technology
1947
-18.83%
740.11 M
$ 5.33
United States
Industrials
1948
-18.86%
44.60 B
$ 5.86
Brazil
Financial Services
1949
-18.87%
744.69 M
$ 15.48
United States
Technology
1950
-18.91%
219.44 M
$ 7.15
China
Communication Services
1951
-18.93%
1.03 B
$ 6.06
United States
Consumer Defensive
1952
-18.94%
412.68 M
$ 1.17
United States
Communication Services
1953
-19.16%
4.41 B
$ 106.08
United States
Industrials
1954
-19.22%
1.94 B
$ 2.21
United States
Consumer Defensive
1955
-19.39%
9.62 B
$ 9.82
United States
Industrials
1956
-19.4%
2.14 B
$ 2.26
China
Financial Services
1957
-19.59%
6.10 B
$ 8.22
United States
Real Estate
1958
-20%
2.84 B
$ 65.25
United States
Consumer Cyclical
1959
-20.08%
2.29 B
$ 24.01
United States
Consumer Cyclical
1960
-20.35%
4.86 B
$ 14.29
United States
Technology
1961
-20.75%
1.06 B
$ 14.79
United States
Real Estate
1962
-20.76%
346.99 M
$ 7.21
United States
Consumer Defensive
1963
-21.02%
25.41 B
$ 15.09
China
Communication Services
1964
-21.31%
381.83 M
$ 1.47
United States
Technology
1965
-21.35%
437.49 M
$ 8.33
United States
Healthcare
1966
-21.66%
157.66 M
$ 8.97
United States
Communication Services
1967
-21.84%
7.49 B
$ 38.14
Luxembourg
Basic Materials
1968
-21.84%
1.55 B
$ 1.17
Brazil
Basic Materials
1969
-22.1%
10.42 B
$ 25.12
United States
Consumer Cyclical
1970
-22.33%
3.26 B
$ 11.39
United States
Real Estate
1971
-22.63%
5.15 B
$ 34.04
United States
Industrials
1972
-22.96%
232.85 M
$ 5.18
United States
Financial Services
1973
-23.27%
745.78 M
$ 6.39
United States
Financial Services
1974
-23.87%
9.65 B
$ 13.34
South Africa
Basic Materials
1975
-24.35%
1.49 B
$ 2.44
China
Technology
1976
-24.85%
1.02 B
$ 6.42
United Arab Emirates
Technology
1977
-25.01%
246.93 M
$ 0.5952
United States
Healthcare
1978
-26.03%
1.14 B
$ 2.43
United States
Communication Services
1979
-26.06%
772.98 M
$ 3.46
China
Communication Services
1980
-26.89%
64.25 B
$ 15.05
Brazil
Basic Materials
1981
-27.13%
237.22 M
$ 16.22
Netherlands
Technology
1982
-27.7%
370.38 M
$ 3.94
China
Consumer Defensive
1983
-30.64%
7.85 B
$ 15.93
China
Consumer Cyclical
1984
-31.4%
695.60 M
$ 4.24
United States
Technology
1985
-32.8%
125.98 M
$ 1.27
United States
Consumer Cyclical
1986
-35.23%
638.27 M
$ 1.73
China
Financial Services
1987
-37.73%
335.38 M
$ 4.86
For the most accurate results, consider cross-referencing our data with other sources.