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Top Stock Gainers October 2021 - Monthly Performance Ranked

Track the top performing stocks of October 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 October 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 April 28, 2026 at 10:02 PM EDT

Rank
Symbol
Company Name
Oct Gain
Market Cap
Price
Country
Sector
3801
-15.53%
675.37 M
$ 6.6
Monaco
Industrials
3802
-15.56%
389.47 M
$ 15.11
United States
Healthcare
3803
-15.63%
1.02 B
$ 4.6
China
Consumer Cyclical
3804
-15.73%
1.69 B
$ 26.92
United States
Technology
3805
-15.75%
1.06 B
$ 6.7
United Arab Emirates
Technology
3806
-15.79%
316.76 M
$ 3.31
United States
Healthcare
3807
-15.8%
308.85 M
$ 2.5
Greece
Industrials
3808
-15.86%
486.65 M
$ 5.54
United States
Healthcare
3809
-15.9%
154.52 M
$ 57.18
United States
Healthcare
3810
-15.92%
509.91 M
$ 3.735
United States
Consumer Cyclical
3811
-15.95%
360.08 M
$ 8.43
United States
Communication Services
3812
-15.99%
2.93 B
$ 23.42
United States
Healthcare
3813
-15.99%
350.48 M
$ 0.8985
United States
Healthcare
3814
-16.05%
2.59 B
$ 29.48
United States
Healthcare
3815
-16.06%
3.73 B
$ 108.12
United States
Healthcare
3816
-16.12%
1.03 B
$ 23.75
United States
Industrials
3817
-16.21%
390.32 M
$ 8.59
United States
Healthcare
3818
-16.21%
1.72 B
$ 36.4
United States
Healthcare
3819
-16.24%
107.25 M
$ 9.81
United States
Communication Services
3820
-16.27%
414.03 M
$ 29.96
United States
Energy
3821
-16.31%
631.92 M
$ 4.31
United States
Communication Services
3822
-16.49%
2.31 B
$ 13.45
Hong Kong
Healthcare
3823
-16.53%
8.82 B
$ 14.56
United Kingdom
Communication Services
3824
-16.54%
75.58 B
$ 83.95
United States
Financial Services
3825
-16.58%
156.01 M
$ 2.37
United States
Healthcare
3826
-16.67%
275.52 M
$ 3.46
United States
Healthcare
3827
-16.68%
2.13 B
$ 18.46
China
Communication Services
3828
-16.72%
475.62 M
$ 4.93
United States
Industrials
3829
-16.72%
377.92 M
$ 1.42
United Kingdom
Healthcare
3830
-16.78%
235.02 M
$ 8.89
United States
Financial Services
3831
-16.82%
490.05 M
$ 12.19
United States
Industrials
3832
-16.91%
6.53 B
$ 9.31
Brazil
Utilities
3833
-17.02%
205.21 M
$ 19.06
China
Healthcare
3834
-17.08%
6.26 B
$ 5.8
Brazil
Energy
3835
-17.18%
718.82 M
$ 17.16
United States
Healthcare
3836
-17.19%
41.16 B
$ 308.51
United States
Healthcare
3837
-17.22%
3.31 B
$ 83.53
United States
Industrials
3838
-17.32%
5.54 B
$ 14.49
United States
Technology
3839
-17.36%
727.12 M
$ 1.84
United States
Technology
3840
-17.5%
178.93 M
$ 0.8059
United States
Healthcare
3841
-17.51%
4.02 B
$ 79.74
Monaco
Energy
3842
-17.55%
112.99 M
$ 3.8
United States
Technology
3843
-17.62%
2.21 B
$ 20.98
United States
Healthcare
3844
-17.65%
2.88 B
$ 86.735
United States
Healthcare
3845
-17.67%
4.92 B
$ 16.44
China
Technology
3846
-17.72%
3.12 B
$ 62.51
United States
Consumer Cyclical
3847
-17.81%
5.52 B
$ 46.29
United States
Healthcare
3848
-17.87%
718.13 M
$ 12.58
United States
Healthcare
3849
-17.88%
5.17 B
$ 149.1
United States
Technology
3850
-17.93%
5.64 B
$ 92.48
United States
Healthcare
3851
-17.94%
4.92 B
$ 50.99
Switzerland
Healthcare
3852
-18.03%
293.28 M
$ 6.38
United States
Financial Services
3853
-18.05%
1.33 B
$ 8.07
United States
Healthcare
3854
-18.12%
2.80 B
$ 24.58
Greece
Industrials
3855
-18.18%
435.96 M
$ 3.31
United States
Industrials
3856
-18.2%
3.63 B
$ 88
United States
Financial Services
3857
-18.26%
2.73 B
$ 52.75
United States
Healthcare
3858
-18.38%
675.15 M
$ 12.15
United States
Financial Services
3859
-18.4%
1.20 B
$ 5.65
Bermuda
Energy
3860
-18.54%
1.86 B
$ 6.46
United States
Healthcare
3861
-18.58%
5.40 B
$ 32.16
Israel
Consumer Cyclical
3862
-18.58%
1.14 B
$ 2.43
United States
Communication Services
3863
-18.59%
744.69 M
$ 15.48
United States
Technology
3864
-18.61%
181.65 M
$ 7.04
United States
Healthcare
3865
-18.67%
307.45 M
$ 2.39
United States
Healthcare
3866
-18.72%
4.47 B
$ 21.26
United States
Technology
3867
-18.87%
518.26 M
$ 6.08
United States
Consumer Cyclical
3868
-18.91%
841.55 M
$ 7.32
Mexico
Industrials
3869
-18.92%
117.60 M
$ 1.72
United States
Healthcare
3870
-18.97%
696.73 M
$ 7.63
United States
Healthcare
3871
-18.97%
766.12 M
$ 25.15
United States
Healthcare
3872
-19.05%
235.53 M
$ 7.9
United States
Technology
3873
-19.15%
1.76 B
$ 8.99
United Kingdom
Consumer Cyclical
3874
-19.3%
7.37 B
$ 18.16
United States
Technology
3875
-19.33%
1.13 B
$ 15.74
United States
Communication Services
3876
-19.34%
6.09 B
$ 3.8
Brazil
Consumer Defensive
3877
-19.4%
1.59 B
$ 7.98
Bermuda
Industrials
3878
-19.44%
261.42 M
$ 3.42
United States
Healthcare
3879
-19.58%
4.14 B
$ 78.68
United States
Consumer Cyclical
3880
-19.63%
5.84 B
$ 134.13
United States
Consumer Cyclical
3881
-20.14%
632.27 M
$ 16.41
United States
Industrials
3882
-20.24%
3.91 B
$ 3.99
Brazil
Energy
3883
-20.32%
300.15 M
$ 3.55
United States
Technology
3884
-20.65%
1.42 B
$ 7.18
United States
Financial Services
3885
-20.78%
4.34 B
$ 19.58
United States
Technology
3886
-20.79%
216.37 M
$ 4.57
United States
Healthcare
3887
-20.87%
3.89 B
$ 88.41
United States
Technology
3888
-21.09%
117.59 M
$ 1.69
United States
Healthcare
3889
-21.12%
235.22 M
$ 3.56
China
Healthcare
3890
-21.17%
382.08 M
$ 7.51
United States
Healthcare
3891
-21.32%
1.54 B
$ 79.88
United States
Consumer Defensive
3892
-21.32%
239.82 M
$ 2.54
United States
Industrials
3893
-21.45%
243.86 M
$ 3.47
United States
Healthcare
3894
-21.76%
580.86 M
$ 10.79
Ireland
Healthcare
3895
-21.78%
7.53 B
$ 7.29
United States
Healthcare
3896
-21.97%
10.13 B
$ 19.58
Cayman Islands
Financial Services
3897
-21.98%
239.27 M
$ 7.07
United States
Energy
3898
-22.07%
514.15 M
$ 7.72
United States
Healthcare
3899
-22.11%
283.87 M
$ 7.25
China
Technology
3900
-22.18%
750.04 M
$ 13.16
United States
Communication Services
For the most accurate results, consider cross-referencing our data with other sources.