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Top Stock Gainers May 2021 - Monthly Performance Ranked

Track the top performing stocks of May 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 May 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 July 17, 2026 at 6:40 PM EDT

Rank
Symbol
Company Name
May Gain
Market Cap
Price
Country
Sector
801
5.84%
29.78 B
$ 125.3
United States
Industrials
802
5.83%
821.09 M
$ 595.98
United States
Technology
803
5.83%
968.80 M
$ 55.44
United States
Financial Services
804
5.82%
15.62 B
$ 63.02
United States
Technology
805
5.82%
6.83 B
$ 323.39
United States
Industrials
806
5.81%
847.17 M
$ 27.78
United States
Financial Services
807
5.81%
6.50 B
$ 6.31
United States
Communication Services
808
5.8%
7.68 B
$ 16.91
United States
Communication Services
809
5.79%
125.36 M
$ 7.21
United States
Industrials
810
5.79%
6.66 B
$ 74.4
United States
Technology
811
5.78%
157.39 B
$ 81.46
Belgium
Consumer Defensive
812
5.78%
435.36 M
$ 2.67
United States
Healthcare
813
5.77%
171.19 M
$ 8.78
United States
Communication Services
814
5.76%
22.42 B
$ 332
United States
Technology
815
5.75%
1.62 B
$ 20.61
Ireland
Consumer Cyclical
816
5.75%
190.85 M
$ 23.96
United States
Financial Services
817
5.75%
73.75 B
$ 138.46
United States
Energy
818
5.75%
897.69 M
$ 26.51
United States
Consumer Defensive
819
5.75%
714.39 M
$ 37.47
United States
Financial Services
820
5.74%
518.11 M
$ 8.62
United States
Technology
821
5.73%
583.59 M
$ 10.3
United States
Financial Services
822
5.73%
205.71 M
$ 26.91
United States
Consumer Cyclical
823
5.73%
2.52 B
$ 49.58
United States
Communication Services
824
5.72%
262.55 B
$ 169.29
United Kingdom
Healthcare
825
5.72%
30.90 B
$ 49.4
United States
Energy
826
5.72%
256.87 M
$ 16.02
United States
Financial Services
827
5.72%
21.49 B
$ 3.81
Spain
Communication Services
828
5.71%
1.30 B
$ 97.82
United States
Energy
829
5.71%
29.41 B
$ 202.76
United States
Healthcare
830
5.7%
261.46 M
$ 10.38
United States
Technology
831
5.7%
121.53 M
$ 3.21
United States
Consumer Cyclical
832
5.69%
137.47 B
$ 112.84
United States
Energy
833
5.68%
57.59 B
$ 69.34
United States
Industrials
834
5.68%
3.11 B
$ 11.11
United States
Financial Services
835
5.67%
5.33 B
$ 149.67
United States
Technology
836
5.66%
404.02 B
$ 877.17
United States
Industrials
837
5.65%
643.87 M
$ 15.78
Bermuda
Industrials
838
5.64%
485.03 M
$ 5.8
United States
Technology
839
5.64%
344.75 B
$ 100.52
United Kingdom
Financial Services
840
5.64%
15.58 B
$ 335.85
United States
Real Estate
841
5.63%
1.66 B
$ 12.57
Luxembourg
Basic Materials
842
5.63%
4.21 B
$ 19.5
Philippines
Communication Services
843
5.61%
82.11 B
$ 82.51
United Kingdom
Utilities
844
5.61%
27.25 B
$ 92.92
United States
Technology
845
5.6%
1.78 B
$ 5.72
United States
Financial Services
846
5.6%
1.47 B
$ 78.29
United States
Consumer Defensive
847
5.59%
310.06 M
$ 3.82
United States
Consumer Defensive
848
5.59%
423.80 M
$ 2.09
Canada
Basic Materials
849
5.58%
34.89 B
$ 188.52
United States
Financial Services
850
5.54%
378.37 M
$ 14.33
United States
Utilities
851
5.54%
10.62 B
$ 65.69
United Kingdom
Industrials
852
5.54%
32.92 B
$ 543.92
United States
Technology
853
5.52%
561.57 M
$ 12.72
United States
Financial Services
854
5.52%
27.05 B
$ 70
United States
Real Estate
855
5.49%
242.93 M
$ 8.47
United States
Technology
856
5.48%
12.36 B
$ 46.85
United States
Basic Materials
857
5.47%
1.75 B
$ 13.7
United States
Real Estate
858
5.45%
41.07 B
$ 118.25
United States
Financial Services
859
5.43%
10.44 B
$ 204.1
United States
Technology
860
5.43%
261.74 B
$ 194.36
United States
Industrials
861
5.43%
120.13 M
$ 3.91
United Kingdom
Technology
862
5.42%
1.98 B
$ 78.34
United States
Technology
863
5.42%
17.64 B
$ 32.54
United States
Communication Services
864
5.41%
860.19 M
$ 41.22
United States
Industrials
865
5.41%
253.39 M
$ 5.69
Canada
Technology
866
5.41%
45.40 B
$ 234.1
United States
Industrials
867
5.41%
869.31 M
$ 19.25
United States
Technology
868
5.39%
2.97 B
$ 9.71
United States
Financial Services
869
5.34%
692.31 M
$ 22.53
United States
Communication Services
870
5.34%
25.61 B
$ 362.44
United States
Healthcare
871
5.29%
71.65 B
$ 60.68
Canada
Energy
872
5.28%
401.38 B
$ 320.96
United States
Technology
873
5.28%
1.03 B
$ 14.34
United States
Communication Services
874
5.26%
4.67 B
$ 153.8
United States
Consumer Cyclical
875
5.26%
112.45 M
$ 7.45
United States
Technology
876
5.24%
109.91 B
$ 89.64
Canada
Financial Services
877
5.24%
2.88 B
$ 26.81
United States
Consumer Cyclical
878
5.24%
3.37 B
$ 23.25
United States
Financial Services
879
5.24%
530.44 M
$ 10.8
United States
Financial Services
880
5.23%
77.90 B
$ 139.08
United States
Industrials
881
5.23%
2.16 B
$ 22.14
United States
Real Estate
882
5.19%
683.76 M
$ 3.69
United States
Technology
883
5.18%
845.49 M
$ 28.94
United States
Healthcare
884
5.17%
4.51 B
$ 86.82
United States
Financial Services
885
5.17%
2.05 B
$ 16.51
United States
Healthcare
886
5.17%
1.22 B
$ 47.6
United States
Healthcare
887
5.16%
1.45 B
$ 15.16
United States
Consumer Cyclical
888
5.14%
1.64 B
$ 11.76
United Kingdom
Consumer Defensive
889
5.14%
304.62 M
$ 1.2
United States
Energy
890
5.12%
204.69 B
$ 123.9
Canada
Financial Services
891
5.11%
1.09 B
$ 1.26
United States
Basic Materials
892
5.1%
1.44 B
$ 28.98
United States
Healthcare
893
5.09%
6.85 B
$ 26.95
United States
Industrials
894
5.09%
57.95 B
$ 10.38
Finland
Technology
895
5.08%
1.42 B
$ 61.04
United States
Consumer Cyclical
896
5.08%
1.06 B
$ 35.74
United States
Financial Services
897
5.08%
1.50 B
$ 6.53
United States
Industrials
898
5.05%
9.78 B
$ 26.7
United States
Communication Services
899
5.04%
861.09 M
$ 78.17
United States
Financial Services
900
5.03%
168.96 B
$ 214.34
United States
Industrials
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.