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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 5, 2026 at 1:41 AM EDT

Rank
Symbol
Company Name
May Gain
Market Cap
Price
Country
Sector
301
13.47%
5.00 B
$ 17.84
United States
Financial Services
302
13.44%
117.03 M
$ 44.59
United States
Energy
303
13.43%
21.14 B
$ 236.18
United States
Consumer Cyclical
304
13.38%
6.21 B
$ 42.15
United States
Consumer Cyclical
305
13.35%
4.46 B
$ 86.35
United States
Basic Materials
306
13.33%
119.72 M
$ 13.35
Canada
Healthcare
307
13.26%
8.00 B
$ 10.14
Canada
Basic Materials
308
13.26%
3.29 B
$ 8.66
United States
Energy
309
13.25%
1.14 B
$ 4.83
China
Financial Services
310
13.21%
2.44 B
$ 49.17
United States
Healthcare
311
13.2%
1.03 B
$ 12.71
United States
Technology
312
13.17%
5.60 B
$ 5.06
Switzerland
Energy
313
13.16%
261.25 M
$ 2.1
Greece
Industrials
314
13.14%
12.49 B
$ 25
United States
Healthcare
315
13.14%
939.47 M
$ 25.59
United States
Technology
316
13.13%
4.80 B
$ 25.2
United States
Energy
317
13.11%
2.54 B
$ 24.47
Canada
Basic Materials
318
13.1%
273.93 M
$ 21.17
United States
Technology
319
13.09%
2.28 B
$ 16.82
United States
Industrials
320
13.05%
17.72 B
$ 34.11
United States
Financial Services
321
13.04%
5.89 B
$ 31.44
Canada
Basic Materials
322
13.02%
177.56 M
$ 9.77
United States
Technology
323
12.96%
389.54 M
$ 4.13
United States
Healthcare
324
12.92%
590.10 M
$ 34.66
United States
Financial Services
325
12.89%
19.45 B
$ 16.7
United States
Healthcare
326
12.88%
2.61 B
$ 36.3
United States
Technology
327
12.85%
103.97 B
$ 113.9
Canada
Financial Services
328
12.77%
201.39 M
$ 6.19
United States
Industrials
329
12.74%
9.71 B
$ 120.95
United States
Technology
330
12.73%
325.28 M
$ 77.84
United States
Consumer Cyclical
331
12.72%
780.89 M
$ 11.01
Argentina
Industrials
332
12.65%
9.68 B
$ 140.15
United States
Financial Services
333
12.64%
902.55 M
$ 9.55
Argentina
Financial Services
334
12.62%
1.61 B
$ 9.91
United States
Technology
335
12.55%
129.52 M
$ 0.3758
United States
Technology
336
12.55%
1.88 B
$ 15.46
China
Financial Services
337
12.53%
6.07 B
$ 11.71
United States
Technology
338
12.53%
3.51 B
$ 2.17
United States
Financial Services
339
12.5%
2.34 B
$ 49.42
United States
Healthcare
340
12.49%
52.36 B
$ 52.78
United States
Energy
341
12.45%
13.29 B
$ 10.72
United Kingdom
Industrials
342
12.45%
46.68 B
$ 40.47
United States
Energy
343
12.44%
204.37 M
$ 15.36
United States
Healthcare
344
12.43%
89.50 B
$ 8.12
Brazil
Financial Services
345
12.36%
428.03 M
$ 20.23
United States
Financial Services
346
12.33%
343.21 M
$ 1.41
United States
Basic Materials
347
12.33%
4.68 B
$ 85.25
United States
Consumer Cyclical
348
12.33%
2.02 B
$ 26.01
United States
Industrials
349
12.31%
1.46 B
$ 21.42
United States
Consumer Cyclical
350
12.21%
1.13 B
$ 18.9
Canada
Basic Materials
351
12.17%
174.95 M
$ 1.79
United States
Healthcare
352
12.11%
5.25 B
$ 41.03
United States
Healthcare
353
12.09%
17.51 B
$ 28.515
Denmark
Healthcare
354
12.03%
6.53 B
$ 9.31
Brazil
Utilities
355
11.98%
1.17 B
$ 5.36
United States
Industrials
356
11.97%
450.70 M
$ 10.26
United States
Communication Services
357
11.97%
8.77 B
$ 33.68
Canada
Basic Materials
358
11.95%
326.92 M
$ 12.54
United States
Financial Services
359
11.94%
4.77 B
$ 106.475
United States
Technology
360
11.93%
116.03 M
$ 1.15
China
Consumer Cyclical
361
11.91%
430.82 M
$ 5.56
United States
Basic Materials
362
11.86%
382.49 M
$ 5.41
Germany
Communication Services
363
11.85%
713.90 M
$ 7.64
Canada
Basic Materials
364
11.84%
3.50 B
$ 50.42
United States
Energy
365
11.79%
426.45 M
$ 13.2
United States
Healthcare
366
11.78%
1.89 B
$ 6.59
United States
Consumer Cyclical
367
11.67%
3.44 B
$ 11.74
Canada
Basic Materials
368
11.61%
13.49 B
$ 94
Switzerland
Technology
369
11.52%
1.32 B
$ 3.76
Canada
Basic Materials
370
11.51%
88.12 B
$ 6.06
United Kingdom
Financial Services
371
11.48%
6.35 B
$ 30.62
United States
Basic Materials
372
11.43%
1.16 B
$ 24.8
United States
Energy
373
11.42%
52.56 B
$ 115.73
Canada
Basic Materials
374
11.36%
271.59 M
$ 30.04
United States
Financial Services
375
11.34%
121.96 B
$ 174.13
Canada
Financial Services
376
11.29%
175.92 M
$ 2.84
Canada
Healthcare
377
11.26%
133.62 B
$ 104.72
United States
Healthcare
378
11.26%
502.06 M
$ 2.69
United States
Healthcare
379
11.2%
476.27 M
$ 5.83
380
11.18%
618.00 M
$ 47.6
United States
Industrials
381
11.16%
1.90 B
$ 15.19
United States
Energy
382
11.15%
21.92 B
$ 167.57
United States
Industrials
383
11.15%
5.08 B
$ 40.04
United States
Consumer Cyclical
384
11.13%
8.80 B
$ 17.82
Canada
Basic Materials
385
11.13%
6.21 B
$ 149.98
United States
Technology
386
11.11%
357.37 M
$ 0.9129
United States
Healthcare
387
11.11%
12.69 B
$ 113.76
United States
Healthcare
388
11.07%
7.02 B
$ 78.93
United States
Healthcare
389
11.06%
31.23 B
$ 65.06
Canada
Basic Materials
390
11.04%
631.92 M
$ 4.31
United States
Communication Services
391
11.04%
241.79 M
$ 16.61
United States
Technology
392
11.02%
781.75 M
$ 31.11
United States
Financial Services
393
11.02%
144.95 M
$ 3.11
United States
Energy
394
11.02%
67.47 B
$ 45.13
United States
Energy
395
10.99%
373.13 M
$ 8.65
United States
Real Estate
396
10.98%
1.73 B
$ 8.23
Uruguay
Consumer Cyclical
397
10.95%
9.70 B
$ 32.18
United States
Healthcare
398
10.9%
1.61 B
$ 13.86
United States
Consumer Defensive
399
10.88%
9.80 B
$ 32.26
United States
Technology
400
10.88%
6.19 B
$ 30.39
United States
Consumer Cyclical
For the most accurate results, consider cross-referencing our data with other sources.