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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 18, 2026 at 3:34 AM EDT

Rank
Symbol
Company Name
Sep Gain
Market Cap
Price
Country
Sector
1901
-15.58%
14.78 B
$ 20.86
United States
Industrials
1902
-15.6%
1.79 B
$ 37.48
United States
Healthcare
1903
-15.61%
1.72 B
$ 58.45
United States
Real Estate
1904
-15.64%
1.63 B
$ 2.54
United Kingdom
Technology
1905
-15.67%
3.00 B
$ 2.36
China
Consumer Defensive
1906
-15.74%
634.50 M
$ 9.67
United States
Communication Services
1907
-15.85%
45.29 B
$ 2.9
Brazil
Consumer Defensive
1908
-15.87%
294.83 M
$ 3.48
United States
Consumer Cyclical
1909
-15.88%
9.09 B
$ 65.74
United States
Industrials
1910
-15.94%
6.04 B
$ 188.5
United States
Basic Materials
1911
-15.99%
281.42 M
$ 11.1
Singapore
Financial Services
1912
-16.04%
23.46 B
$ 121.96
United States
Consumer Cyclical
1913
-16.04%
62.37 B
$ 137.19
Canada
Basic Materials
1914
-16.06%
1.38 B
$ 26.12
United States
Industrials
1915
-16.11%
110.46 M
$ 10.05
United States
Consumer Cyclical
1916
-16.11%
9.49 B
$ 63.13
United States
Consumer Cyclical
1917
-16.14%
1.90 B
$ 4.78
Brazil
Basic Materials
1918
-16.22%
2.40 B
$ 14.4
United States
Consumer Cyclical
1919
-16.22%
1.25 B
$ 9.14
Canada
Technology
1920
-16.52%
697.55 M
$ 1.56
United States
Financial Services
1921
-16.65%
17.15 B
$ 190.64
United States
Consumer Cyclical
1922
-16.7%
1.97 B
$ 3.33
Canada
Technology
1923
-16.7%
3.25 B
$ 37.95
United States
Technology
1924
-16.86%
2.62 B
$ 29.83
South Africa
Basic Materials
1925
-16.95%
1.09 B
$ 4.27
United States
Healthcare
1926
-17.04%
36.61 B
$ 54.15
United States
Consumer Cyclical
1927
-17.05%
710.04 M
$ 4.3
China
Financial Services
1928
-17.14%
583.54 M
$ 3.03
Hong Kong
Consumer Cyclical
1929
-17.4%
5.98 B
$ 102.93
United States
Healthcare
1930
-17.43%
1.36 B
$ 16.6
United States
Consumer Cyclical
1931
-17.51%
422.53 M
$ 5.47
United States
Healthcare
1932
-17.54%
83.68 B
$ 354.66
United States
Industrials
1933
-17.56%
4.76 B
$ 8.35
United States
Basic Materials
1934
-17.61%
10.57 B
$ 23.59
United States
Consumer Cyclical
1935
-17.83%
1.41 B
$ 15.19
United States
Consumer Cyclical
1936
-17.84%
140.77 M
$ 0.8145
United States
Consumer Cyclical
1937
-17.89%
1.42 B
$ 12.69
United States
Consumer Cyclical
1938
-18.01%
179.69 B
$ 70.48
Australia
Basic Materials
1939
-18.14%
1.61 B
$ 15.55
United States
Consumer Defensive
1940
-18.31%
206.05 M
$ 5.04
China
Financial Services
1941
-18.42%
12.49 B
$ 154.72
United States
Technology
1942
-18.48%
3.69 B
$ 46.02
United States
Consumer Cyclical
1943
-18.7%
690.38 M
$ 3.99
Cayman Islands
Technology
1944
-18.82%
1.74 B
$ 10.26
United States
Technology
1945
-18.83%
762.33 M
$ 5.49
United States
Industrials
1946
-18.86%
43.59 B
$ 5.82
Brazil
Financial Services
1947
-18.87%
744.69 M
$ 15.48
United States
Technology
1948
-18.91%
222.20 M
$ 7.24
China
Communication Services
1949
-18.93%
1.03 B
$ 6.07
United States
Consumer Defensive
1950
-18.94%
412.68 M
$ 1.17
United States
Communication Services
1951
-19.16%
4.38 B
$ 105.42
United States
Industrials
1952
-19.22%
1.91 B
$ 2.17
United States
Consumer Defensive
1953
-19.39%
9.72 B
$ 9.93
United States
Industrials
1954
-19.4%
2.16 B
$ 2.28
China
Financial Services
1955
-19.59%
6.33 B
$ 8.53
United States
Real Estate
1956
-20%
2.85 B
$ 65.52
United States
Consumer Cyclical
1957
-20.08%
2.29 B
$ 24.01
United States
Consumer Cyclical
1958
-20.35%
4.92 B
$ 14.49
United States
Technology
1959
-20.75%
1.06 B
$ 14.83
United States
Real Estate
1960
-20.76%
349.88 M
$ 7.27
United States
Consumer Defensive
1961
-21.02%
19.15 B
$ 11.37
China
Communication Services
1962
-21.31%
389.62 M
$ 1.5
United States
Technology
1963
-21.35%
424.36 M
$ 8.08
United States
Healthcare
1964
-21.66%
157.66 M
$ 8.97
United States
Communication Services
1965
-21.84%
7.47 B
$ 38.07
Luxembourg
Basic Materials
1966
-21.84%
1.60 B
$ 1.2
Brazil
Basic Materials
1967
-22.1%
10.47 B
$ 25.22
United States
Consumer Cyclical
1968
-22.33%
3.42 B
$ 11.98
United States
Real Estate
1969
-22.63%
5.18 B
$ 34.24
United States
Industrials
1970
-22.96%
228.36 M
$ 5.08
United States
Financial Services
1971
-23.27%
757.45 M
$ 6.49
United States
Financial Services
1972
-23.87%
9.66 B
$ 13.36
South Africa
Basic Materials
1973
-24.35%
1.47 B
$ 2.41
China
Technology
1974
-24.85%
1.00 B
$ 6.31
United Arab Emirates
Technology
1975
-25.01%
254.73 M
$ 0.614
United States
Healthcare
1976
-26.03%
1.14 B
$ 2.43
United States
Communication Services
1977
-26.06%
703.73 M
$ 3.15
China
Communication Services
1978
-26.89%
64.46 B
$ 15.1
Brazil
Basic Materials
1979
-27.13%
221.86 M
$ 15.17
Netherlands
Technology
1980
-27.7%
364.74 M
$ 3.88
China
Consumer Defensive
1981
-30.64%
7.84 B
$ 15.9
China
Consumer Cyclical
1982
-31.4%
705.44 M
$ 4.3
United States
Technology
1983
-32.8%
128.96 M
$ 1.3
United States
Consumer Cyclical
1984
-35.23%
634.58 M
$ 1.72
China
Financial Services
1985
-37.73%
341.60 M
$ 4.95
For the most accurate results, consider cross-referencing our data with other sources.