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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 8, 2026 at 3:42 PM EDT

Rank
Symbol
Company Name
May Gain
Market Cap
Price
Country
Sector
601
7.87%
15.56 B
$ 247.72
Ireland
Healthcare
602
7.86%
2.79 B
$ 35.75
United States
Real Estate
603
7.84%
209.60 B
$ 166.46
United States
Technology
604
7.8%
3.74 B
$ 84.44
United States
Technology
605
7.8%
3.52 B
$ 67.48
Singapore
Utilities
606
7.8%
4.61 B
$ 39.24
United States
Industrials
607
7.76%
2.85 B
$ 3.15
Canada
Energy
608
7.75%
956.36 M
$ 2.4
Brazil
Basic Materials
609
7.74%
53.44 B
$ 255
United States
Energy
610
7.73%
42.98 B
$ 81.06
United States
Financial Services
611
7.72%
1.88 B
$ 65.42
United States
Real Estate
612
7.7%
712.74 M
$ 8.21
United States
Technology
613
7.69%
479.43 M
$ 10.15
United Kingdom
Healthcare
614
7.68%
30.12 B
$ 103.915
United States
Communication Services
615
7.67%
12.82 B
$ 30.52
Canada
Basic Materials
616
7.66%
2.86 B
$ 26.55
Canada
Basic Materials
617
7.65%
195.58 M
$ 27.595
United States
Industrials
618
7.62%
358.26 M
$ 74.33
United States
Financial Services
619
7.62%
298.11 M
$ 9.49
United States
Technology
620
7.62%
243.50 M
$ 4.12
United States
Consumer Cyclical
621
7.61%
199.92 B
$ 184.73
United States
Communication Services
622
7.59%
9.60 B
$ 51.55
United States
Technology
623
7.59%
286.09 M
$ 4.41
United States
Healthcare
624
7.58%
6.76 B
$ 646.58
United States
Financial Services
625
7.58%
2.62 B
$ 18.65
United States
Energy
626
7.57%
4.22 B
$ 85.23
United States
Energy
627
7.56%
116.25 B
$ 158.67
United States
Technology
628
7.56%
731.93 M
$ 15.53
United States
Utilities
629
7.56%
124.14 B
$ 10.19
Japan
Financial Services
630
7.54%
24.18 B
$ 149.5
United States
Technology
631
7.52%
1.76 B
$ 19.68
Norway
Communication Services
632
7.5%
3.18 B
$ 31.83
United States
Energy
633
7.5%
1.04 B
$ 6.735
United States
Basic Materials
634
7.44%
1.60 B
$ 2.51
United Kingdom
Technology
635
7.43%
1.10 T
$ 1235.56
United States
Healthcare
636
7.4%
57.93 B
$ 127.55
United States
Consumer Defensive
637
7.4%
17.99 B
$ 208.82
United States
Healthcare
638
7.39%
86.99 B
$ 240.75
United States
Financial Services
639
7.39%
26.10 B
$ 30.59
United States
Financial Services
640
7.39%
14.25 B
$ 89.2
United States
Financial Services
641
7.37%
1.10 B
$ 8.87
United States
Communication Services
642
7.35%
5.58 B
$ 39.86
United States
Consumer Defensive
643
7.35%
11.45 B
$ 142.22
United States
Industrials
644
7.34%
192.99 M
$ 20.34
United States
Financial Services
645
7.33%
625.57 M
$ 4.2
United States
Healthcare
646
7.32%
33.65 B
$ 321.08
United States
Technology
647
7.29%
1.35 B
$ 14.77
Brazil
Consumer Defensive
648
7.29%
183.41 B
$ 532.1
United States
Technology
649
7.27%
75.17 B
$ 150.33
Canada
Basic Materials
650
7.27%
11.86 B
$ 142.8
United States
Financial Services
651
7.27%
14.78 B
$ 31.01
Canada
Financial Services
652
7.26%
1.55 B
$ 52.62
United States
Financial Services
653
7.26%
9.63 B
$ 121.49
United States
Financial Services
654
7.24%
124.98 B
$ 202.89
United States
Financial Services
655
7.24%
20.69 B
$ 674.39
United States
Industrials
656
7.21%
243.50 M
$ 1.57
United States
Technology
657
7.2%
1.98 B
$ 21.71
United States
Basic Materials
658
7.19%
162.99 M
$ 3.61
United States
Technology
659
7.18%
17.66 B
$ 114.94
United States
Basic Materials
660
7.18%
46.05 B
$ 82.84
United Kingdom
Consumer Defensive
661
7.17%
3.54 B
$ 71.15
United States
Energy
662
7.14%
4.25 B
$ 27.84
United States
Technology
663
7.14%
41.65 B
$ 128.31
United States
Industrials
664
7.12%
62.54 B
$ 14.69
Brazil
Basic Materials
665
7.09%
908.94 B
$ 339.22
United States
Financial Services
666
7.08%
5.05 B
$ 110.95
United States
Consumer Cyclical
667
7.06%
20.08 B
$ 37.92
United States
Consumer Cyclical
668
7.05%
9.72 B
$ 15.4
South Africa
Basic Materials
669
7.05%
2.40 B
$ 69.33
Bermuda
Energy
670
7.04%
8.38 B
$ 37.66
Cyprus
Energy
671
7.02%
699.59 M
$ 5.37
United States
Real Estate
672
7.02%
240.08 B
$ 21.29
Japan
Financial Services
673
7.02%
1.34 B
$ 33.12
United States
Healthcare
674
7.01%
202.09 M
$ 57.975
United States
Real Estate
675
7%
5.14 B
$ 247.2
United States
Basic Materials
676
6.99%
6.53 B
$ 419.08
United States
Industrials
677
6.98%
85.28 B
$ 195.72
United States
Consumer Cyclical
678
6.96%
591.41 M
$ 21.21
United States
Financial Services
679
6.96%
6.99 B
$ 11.04
United States
Communication Services
680
6.95%
7.39 B
$ 146.57
United States
Technology
681
6.94%
556.91 M
$ 15.7
United States
Technology
682
6.94%
12.49 B
$ 77.09
United States
Financial Services
683
6.93%
138.19 M
$ 15.29
United States
Basic Materials
684
6.92%
15.26 B
$ 77.91
United States
Healthcare
685
6.88%
5.31 B
$ 11.09
United States
Financial Services
686
6.86%
104.91 M
$ 9.3
United States
Industrials
687
6.84%
6.39 B
$ 4.95
Israel
Basic Materials
688
6.82%
3.94 B
$ 23.83
United States
Healthcare
689
6.82%
21.17 B
$ 408.74
United States
Industrials
690
6.82%
21.22 B
$ 13.28
Brazil
Communication Services
691
6.82%
36.81 B
$ 374.93
United States
Healthcare
692
6.81%
5.14 B
$ 50.495
Bermuda
Energy
693
6.81%
722.23 M
$ 4.05
United States
Consumer Cyclical
694
6.81%
83.82 B
$ 130.82
China
Communication Services
695
6.8%
9.40 B
$ 38.57
United States
Basic Materials
696
6.79%
986.46 M
$ 20.43
United States
Technology
697
6.78%
15.45 B
$ 54.97
United States
Energy
698
6.76%
262.43 M
$ 13.87
United States
Financial Services
699
6.75%
76.91 B
$ 281.17
United States
Technology
700
6.75%
356.03 M
$ 62.65
United States
Financial Services
For the most accurate results, consider cross-referencing our data with other sources.