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Top Stock Gainers August 2021 - Monthly Performance Ranked

Track the top performing stocks of August 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 August 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 May 20, 2026 at 3:11 AM EDT

Rank
Symbol
Company Name
Aug Gain
Market Cap
Price
Country
Sector
301
16.44%
28.18 B
$ 175.25
United States
Technology
302
16.4%
2.94 B
$ 20.3
United States
Healthcare
303
16.4%
10.57 B
$ 21.34
United States
Financial Services
304
16.39%
2.22 B
$ 21.53
United States
Healthcare
305
16.38%
126.72 M
$ 14.02
United States
Basic Materials
306
16.38%
1.66 B
$ 12.49
Bermuda
Industrials
307
16.33%
349.37 M
$ 7.15
United States
Industrials
308
16.31%
1.59 B
$ 7.98
Bermuda
Industrials
309
16.27%
2.08 B
$ 13.9
Argentina
Utilities
310
16.23%
3.07 B
$ 26.3
United States
Communication Services
311
16.2%
23.28 B
$ 107.41
United States
Healthcare
312
16.19%
449.46 M
$ 238.06
United States
Financial Services
313
16.19%
269.98 M
$ 1.39
United States
Energy
314
16.05%
312.68 M
$ 2.43
United States
Healthcare
315
16.04%
6.17 B
$ 37
Ireland
Healthcare
316
16%
782.66 M
$ 1.22
United States
Healthcare
317
15.97%
288.22 M
$ 15.75
318
15.95%
360.41 M
$ 13.65
United States
Utilities
319
15.94%
335.29 M
$ 3.55
United States
Healthcare
320
15.93%
57.29 B
$ 49.69
United States
Energy
321
15.84%
7.58 B
$ 57.4
United States
Consumer Cyclical
322
15.78%
357.52 M
$ 4.945
United States
Technology
323
15.77%
16.90 B
$ 97.5
United States
Consumer Cyclical
324
15.73%
3.01 B
$ 58.82
United States
Financial Services
325
15.52%
94.61 B
$ 493.87
United States
Technology
326
15.41%
1.07 B
$ 4.1
United States
Healthcare
327
15.36%
207.82 M
$ 1.46
United States
Basic Materials
328
15.31%
6.33 B
$ 9.72
United States
Technology
329
15.3%
329.20 M
$ 4.4
United States
Technology
330
15.3%
798.67 M
$ 3.78
United States
Technology
331
15.29%
1.54 B
$ 1.78
China
Financial Services
332
15.27%
1.68 B
$ 217.21
United States
Healthcare
333
15.24%
855.24 M
$ 16.27
United States
Healthcare
334
15.21%
2.38 B
$ 69.93
United States
Consumer Defensive
335
15.21%
743.68 M
$ 8.08
United States
Communication Services
336
15.18%
41.11 B
$ 77.53
United States
Financial Services
337
15.17%
194.75 B
$ 240.13
United States
Technology
338
15.16%
50.50 B
$ 221.73
United States
Basic Materials
339
15.14%
5.84 B
$ 11.91
United States
Energy
340
15.11%
5.70 B
$ 47.56
United States
Healthcare
341
15.04%
596.00 M
$ 1.5
United States
Energy
342
15.01%
456.83 M
$ 4.45
United States
Healthcare
343
15.01%
21.06 B
$ 481.56
United States
Consumer Cyclical
344
14.98%
256.38 M
$ 6.78
United States
Healthcare
345
14.93%
3.58 B
$ 62.36
United States
Financial Services
346
14.9%
2.15 B
$ 34.42
United States
Healthcare
347
14.88%
400.76 M
$ 42.1
United States
Financial Services
348
14.87%
1.57 B
$ 54.45
United States
Real Estate
349
14.84%
10.66 B
$ 208.19
United States
Technology
350
14.84%
302.21 M
$ 5.63
United States
Healthcare
351
14.83%
706.86 M
$ 50.1
United States
Technology
352
14.82%
448.68 M
$ 10.15
United States
Healthcare
353
14.82%
7.42 B
$ 88.43
United States
Consumer Cyclical
354
14.76%
3.52 B
$ 13.42
United States
Healthcare
355
14.75%
312.71 M
$ 33.96
United States
Financial Services
356
14.7%
1.67 B
$ 87.77
United States
Consumer Defensive
357
14.7%
1.03 B
$ 3.3
United States
Technology
358
14.66%
5.06 B
$ 42.76
United States
Energy
359
14.64%
222.58 M
$ 15.29
United States
Technology
360
14.6%
10.38 B
$ 76.45
United States
Healthcare
361
14.59%
107.16 B
$ 714.13
United States
Industrials
362
14.54%
1.70 B
$ 1.93
United States
Consumer Defensive
363
14.49%
263.74 M
$ 1.96
United States
Healthcare
364
14.49%
5.47 B
$ 57.61
United States
Consumer Cyclical
365
14.46%
716.44 M
$ 12.64
United States
Financial Services
366
14.45%
1.99 B
$ 36.08
United States
Consumer Defensive
367
14.43%
898.32 M
$ 11.94
United States
Industrials
368
14.42%
19.93 B
$ 169
United States
Basic Materials
369
14.27%
1.32 B
$ 11.74
United States
Consumer Cyclical
370
14.16%
6.12 B
$ 108.52
United States
Healthcare
371
14.15%
3.52 B
$ 100.09
United States
Technology
372
14.15%
424.22 M
$ 14.11
China
Communication Services
373
14.09%
2.88 B
$ 88.19
United States
Technology
374
14.05%
9.22 B
$ 36.02
United States
Consumer Cyclical
375
14.04%
11.18 B
$ 69.86
United States
Technology
376
14%
849.50 M
$ 13.97
Israel
Healthcare
377
13.96%
332.11 M
$ 4.15
United States
Healthcare
378
13.95%
2.48 B
$ 73.28
United States
Financial Services
379
13.89%
1.76 B
$ 16.64
United States
Healthcare
380
13.88%
691.37 M
$ 4.8
United States
Technology
381
13.86%
192.33 M
$ 15.9
United States
Financial Services
382
13.84%
158.89 M
$ 2.68
United States
Communication Services
383
13.84%
319.14 M
$ 5.82
United States
Consumer Defensive
384
13.83%
6.32 B
$ 2.21
Brazil
Utilities
385
13.79%
21.98 B
$ 86.62
Australia
Technology
386
13.77%
463.33 M
$ 0.8465
United States
Technology
387
13.72%
460.45 M
$ 15.3
United States
Technology
388
13.67%
663.22 M
$ 10.11
United States
Communication Services
389
13.66%
1.25 B
$ 4.5
Canada
Technology
390
13.64%
1.56 B
$ 9.28
United States
Technology
391
13.59%
6.04 B
$ 86.73
United States
Consumer Cyclical
392
13.59%
2.29 B
$ 66.13
United States
Healthcare
393
13.55%
9.30 B
$ 48.96
United States
Industrials
394
13.51%
171.36 M
$ 19.79
United States
Financial Services
395
13.51%
424.76 M
$ 26.88
United States
Healthcare
396
13.49%
6.97 B
$ 10.53
Canada
Energy
397
13.49%
9.89 B
$ 296.08
United States
Industrials
398
13.47%
368.28 M
$ 10.72
United States
Healthcare
399
13.46%
3.26 B
$ 68.81
United States
Communication Services
400
13.45%
4.84 B
$ 135.33
United States
Communication Services
For the most accurate results, consider cross-referencing our data with other sources.