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Top Stock Gainers May 2021 - Monthly Performance Ranked

Discover the best stocks of May 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 May 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.

Looking for a specific Symbol?

Data as of March 28, 2026 at 3:27 PM EDT

Rank
Symbol
Company Name
May Gain
Market Cap
Price
Country
Sector
501
4.4%
15.00 B
$ 24.47
United States
Real Estate
502
4.4%
25.92 B
$ 80.45
United Kingdom
Basic Materials
503
4.39%
259.74 M
$ 5.53
United States
Technology
504
4.38%
304.98 M
$ 5.51
United States
Financial Services
505
4.38%
114.38 M
$ 14.84
United States
Financial Services
506
4.38%
56.96 B
$ 44.53
United States
Financial Services
507
4.36%
147.45 M
$ 6.64
United States
Financial Services
508
4.36%
20.79 B
$ 38.49
Canada
Communication Services
509
4.33%
3.29 B
$ 57.83
United States
Technology
510
4.32%
115.69 M
$ 4.91
United States
Financial Services
511
4.3%
334.89 M
$ 14.62
United States
Financial Services
512
4.29%
58.55 B
$ 180.19
United States
Real Estate
513
4.27%
4.26 B
$ 107.25
United States
Industrials
514
4.24%
629.82 M
$ 4.16
United States
Financial Services
515
4.22%
7.68 B
$ 102.53
Sweden
Consumer Cyclical
516
4.21%
9.69 B
$ 39.42
United States
Financial Services
517
4.21%
22.19 B
$ 189.05
United States
Industrials
518
4.19%
6.29 B
$ 118.26
United States
Consumer Cyclical
519
4.16%
19.78 B
$ 551.97
Cayman Islands
Technology
520
4.15%
80.36 B
$ 131.29
Ireland
Industrials
521
4.13%
27.67 B
$ 79.58
United States
Consumer Defensive
522
4.12%
62.93 B
$ 108.42
United States
Financial Services
523
4.12%
11.23 B
$ 54.24
United States
Consumer Cyclical
524
4.12%
50.08 B
$ 1057.07
United States
Industrials
525
4.1%
164.12 B
$ 92.36
United States
Financial Services
526
4.09%
14.91 B
$ 279
United States
Industrials
527
4.08%
783.70 M
$ 10.91
United States
Financial Services
528
4.06%
20.63 B
$ 28.77
Brazil
Utilities
529
4.05%
10.29 B
$ 23.2
United States
Financial Services
530
4.03%
744.69 M
$ 15.48
United States
Technology
531
4.01%
37.17 B
$ 107.57
Mexico
Consumer Defensive
532
4%
7.19 B
$ 51.79
United States
Financial Services
533
3.99%
2.69 B
$ 20.59
United States
Financial Services
534
3.99%
264.22 M
$ 16.91
United States
Financial Services
535
3.98%
999.43 M
$ 26.49
United States
Industrials
536
3.98%
481.80 M
$ 5.81
United States
Financial Services
537
3.97%
1.24 B
$ 19.95
United States
Financial Services
538
3.96%
55.77 B
$ 106.41
United States
Financial Services
539
3.96%
284.89 M
$ 16.77
United States
Financial Services
540
3.96%
26.60 B
$ 45.77
Canada
Energy
541
3.95%
387.26 M
$ 31.13
United States
Energy
542
3.93%
303.70 M
$ 27.97
United States
Consumer Cyclical
543
3.92%
1.41 B
$ 18.18
United States
Real Estate
544
3.92%
10.69 B
$ 22.13
United States
Financial Services
545
3.92%
7.47 B
$ 135.19
United States
Technology
546
3.92%
510.89 M
$ 8.35
United States
Financial Services
547
3.9%
9.93 B
$ 36.32
United States
Consumer Cyclical
548
3.89%
338.46 M
$ 10.45
United States
Financial Services
549
3.88%
23.23 B
$ 103.82
United States
Basic Materials
550
3.85%
31.94 B
$ 24.34
Japan
Consumer Cyclical
551
3.83%
7.88 B
$ 36.67
United States
Utilities
552
3.83%
925.25 M
$ 8.52
United States
Financial Services
553
3.82%
6.76 B
$ 3.42
Brazil
Basic Materials
554
3.82%
865.12 M
$ 78.13
United States
Industrials
555
3.8%
628.10 M
$ 12.77
United States
Financial Services
556
3.79%
11.05 B
$ 279.05
United States
Financial Services
557
3.79%
860.48 M
$ 6.19
United States
Technology
558
3.78%
43.32 B
$ 213.73
United States
Consumer Defensive
559
3.78%
68.08 B
$ 72.98
United States
Consumer Cyclical
560
3.78%
46.26 B
$ 734.3
United States
Industrials
561
3.78%
3.29 B
$ 72.13
United States
Financial Services
562
3.76%
353.87 M
$ 10.44
United States
Consumer Cyclical
563
3.75%
20.08 B
$ 95.57
Mexico
Consumer Defensive
564
3.74%
6.47 B
$ 165.26
United States
Industrials
565
3.74%
12.70 B
$ 23.07
United States
Consumer Defensive
566
3.74%
7.09 B
$ 39.35
United States
Utilities
567
3.73%
1.52 B
$ 20.84
United States
Real Estate
568
3.72%
3.70 B
$ 30.93
United States
Financial Services
569
3.71%
29.43 B
$ 58.29
Luxembourg
Energy
570
3.71%
31.18 B
$ 110.24
United States
Healthcare
571
3.7%
127.23 M
$ 10.52
United States
Financial Services
572
3.68%
79.96 B
$ 114.66
United States
Financial Services
573
3.68%
1.72 B
$ 7.21
United States
Real Estate
574
3.67%
5.16 B
$ 118.14
United States
Industrials
575
3.66%
4.98 B
$ 34.79
United States
Financial Services
576
3.65%
8.05 B
$ 39.07
Netherlands
Healthcare
577
3.65%
4.70 B
$ 82.97
United States
Financial Services
578
3.65%
20.50 B
$ 31.74
Canada
Utilities
579
3.63%
65.04 B
$ 38.59
Canada
Basic Materials
580
3.61%
705.73 M
$ 10.1
China
Financial Services
581
3.6%
27.72 B
$ 42.38
United States
Utilities
582
3.6%
290.28 M
$ 20.13
Mexico
Financial Services
583
3.6%
115.07 M
$ 3.65
United States
Financial Services
584
3.6%
1.27 B
$ 24.6
United States
Real Estate
585
3.6%
19.23 B
$ 140.43
United States
Industrials
586
3.55%
967.27 M
$ 10.27
United States
Financial Services
587
3.55%
541.91 M
$ 9.44
United States
Consumer Cyclical
588
3.54%
7.10 B
$ 63.41
United States
Basic Materials
589
3.53%
119.52 B
$ 58.54
United States
Healthcare
590
3.52%
6.47 B
$ 58.28
United States
Industrials
591
3.52%
12.47 B
$ 82.95
United States
Financial Services
592
3.52%
18.19 B
$ 69.98
Colombia
Financial Services
593
3.52%
371.73 M
$ 7.71
United States
Financial Services
594
3.51%
652.14 M
$ 36.925
United States
Financial Services
595
3.51%
486.38 M
$ 3.69
United States
Financial Services
596
3.5%
6.81 B
$ 97.56
United States
Industrials
597
3.49%
81.83 B
$ 202.39
United States
Financial Services
598
3.47%
5.11 B
$ 48.52
Netherlands
Technology
599
3.46%
1.50 B
$ 31.65
United States
Healthcare
600
3.45%
335.17 M
$ 5.2
United States
Financial Services
For the most accurate results, consider cross-referencing our data with other sources.