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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.

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Data as of March 24, 2026 at 1:33 PM EDT

Rank
Symbol
Company Name
May Gain
Market Cap
Price
Country
Sector
401
5.79%
101.33 M
$ 5.97
402
5.78%
135.34 B
$ 68.55
Belgium
Consumer Defensive
403
5.75%
75.79 B
$ 139.68
United States
Energy
404
5.75%
1.62 B
$ 20.5
Ireland
Consumer Cyclical
405
5.73%
1.90 B
$ 37
United States
Communication Services
406
5.72%
21.49 B
$ 3.81
Spain
Communication Services
407
5.72%
40.72 B
$ 65.23
United States
Energy
408
5.72%
285.36 B
$ 184.07
United Kingdom
Healthcare
409
5.71%
1.61 B
$ 121.52
United States
Energy
410
5.71%
33.28 B
$ 227.97
United States
Healthcare
411
5.69%
155.47 B
$ 127.19
United States
Energy
412
5.68%
48.73 B
$ 58.3
United States
Industrials
413
5.68%
2.91 B
$ 10.38
United States
Financial Services
414
5.66%
328.38 B
$ 701.7
United States
Industrials
415
5.65%
615.04 M
$ 15.1
Bermuda
Industrials
416
5.64%
274.42 B
$ 79.83
United Kingdom
Financial Services
417
5.64%
14.14 B
$ 299.6
United States
Real Estate
418
5.63%
1.27 B
$ 9.6
Luxembourg
Basic Materials
419
5.63%
4.68 B
$ 21.4
Philippines
Communication Services
420
5.61%
81.59 B
$ 82.06
United Kingdom
Utilities
421
5.6%
1.75 B
$ 5.6
United States
Financial Services
422
5.59%
391.89 M
$ 4.9
United States
Consumer Defensive
423
5.54%
14.47 B
$ 88.44
United Kingdom
Industrials
424
5.54%
48.98 B
$ 809.36
United States
Technology
425
5.54%
380.07 M
$ 14.23
United States
Utilities
426
5.52%
510.36 M
$ 11.56
United States
Financial Services
427
5.52%
22.90 B
$ 58.41
United States
Real Estate
428
5.48%
14.80 B
$ 56.08
United States
Basic Materials
429
5.47%
1.44 B
$ 11.53
United States
Real Estate
430
5.45%
32.81 B
$ 94.29
United States
Financial Services
431
5.43%
7.21 B
$ 139.9
United States
Technology
432
5.43%
262.22 B
$ 194.82
United States
Industrials
433
5.41%
44.67 B
$ 222.5
United States
Industrials
434
5.39%
2.64 B
$ 8.62
United States
Financial Services
435
5.34%
17.40 B
$ 241.4
United States
Healthcare
436
5.34%
507.81 M
$ 16.5
United States
Communication Services
437
5.29%
75.24 B
$ 63.19
Canada
Energy
438
5.26%
4.91 B
$ 161.19
United States
Consumer Cyclical
439
5.24%
514.28 M
$ 10.7
United States
Financial Services
440
5.24%
85.68 B
$ 69.26
Canada
Financial Services
441
5.24%
3.58 B
$ 32.68
United States
Consumer Cyclical
442
5.23%
73.00 B
$ 129.83
United States
Industrials
443
5.23%
2.09 B
$ 19.02
United States
Real Estate
444
5.17%
4.46 B
$ 85.5
United States
Financial Services
445
5.17%
2.02 B
$ 16.27
United States
Healthcare
446
5.16%
1.35 B
$ 13.77
United States
Consumer Cyclical
447
5.14%
1.43 B
$ 9.77
United Kingdom
Consumer Defensive
448
5.12%
156.99 B
$ 93.63
Canada
Financial Services
449
5.09%
5.88 B
$ 22.78
United States
Industrials
450
5.09%
45.00 B
$ 8.06
Finland
Technology
451
5.08%
925.13 M
$ 30.77
United States
Financial Services
452
5.05%
9.78 B
$ 26.7
United States
Communication Services
453
5.03%
155.92 B
$ 198.41
United States
Industrials
454
5.03%
110.60 B
$ 494.58
United States
Healthcare
455
5.02%
922.55 M
$ 4.66
United States
Communication Services
456
4.99%
7.62 B
$ 4.51
United States
Communication Services
457
4.97%
35.07 B
$ 25.37
United States
Consumer Cyclical
458
4.97%
1.03 B
$ 48.88
United States
Financial Services
459
4.96%
8.52 B
$ 37.15
United States
Real Estate
460
4.95%
5.11 B
$ 66.87
United States
Financial Services
461
4.92%
6.10 B
$ 20.08
United States
Real Estate
462
4.92%
561.13 M
$ 4.82
United States
Communication Services
463
4.91%
881.58 M
$ 2.95
Canada
Basic Materials
464
4.89%
253.40 M
$ 1.55
United States
Real Estate
465
4.89%
11.15 B
$ 211.47
United States
Consumer Cyclical
466
4.89%
30.45 B
$ 185.23
United States
Healthcare
467
4.87%
15.13 B
$ 70.98
Switzerland
Consumer Cyclical
468
4.83%
129.55 M
$ 21.9936
469
4.83%
59.65 B
$ 58.65
United States
Energy
470
4.83%
18.47 B
$ 18.64
Indonesia
Communication Services
471
4.81%
2.61 B
$ 5.89
United States
Real Estate
472
4.81%
24.09 B
$ 25.76
Canada
Communication Services
473
4.8%
43.83 B
$ 226.85
Canada
Basic Materials
474
4.78%
405.18 M
$ 10.53
United States
Financial Services
475
4.77%
10.43 B
$ 209.79
United States
Technology
476
4.77%
9.45 B
$ 74.26
United States
Industrials
477
4.77%
218.09 M
$ 5.295
United States
Financial Services
478
4.74%
133.65 B
$ 109.35
United States
Financial Services
479
4.73%
21.41 B
$ 19.65
United States
Financial Services
480
4.73%
164.13 B
$ 36.82
Denmark
Healthcare
481
4.72%
11.35 B
$ 88.67
United States
Financial Services
482
4.72%
2.73 B
$ 30.84
Bermuda
Industrials
483
4.71%
127.64 M
$ 7.88
United States
Financial Services
484
4.7%
3.81 B
$ 40.16
United States
Financial Services
485
4.69%
9.11 B
$ 90.63
United States
Financial Services
486
4.69%
200.42 M
$ 21.02
United States
Financial Services
487
4.67%
1.47 B
$ 27.72
United States
Industrials
488
4.67%
15.26 B
$ 129.21
United States
Industrials
489
4.67%
418.75 M
$ 16.45
United States
Financial Services
490
4.66%
3.58 B
$ 98.54
United States
Consumer Defensive
491
4.65%
5.85 B
$ 182.46
United States
Basic Materials
492
4.64%
33.34 B
$ 744.66
United States
Industrials
493
4.6%
158.62 M
$ 8.95
494
4.6%
4.29 B
$ 33.69
United States
Consumer Cyclical
495
4.54%
307.52 B
$ 291.54
United States
Industrials
496
4.51%
347.01 B
$ 47.52
United States
Financial Services
497
4.49%
10.44 B
$ 98.15
United States
Real Estate
498
4.48%
3.61 B
$ 84.83
United States
Basic Materials
499
4.47%
115.28 M
$ 6.5
United States
Financial Services
500
4.44%
15.51 B
$ 89.03
United States
Industrials
For the most accurate results, consider cross-referencing our data with other sources.