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Top Stock Gainers September 2021 - Monthly Performance Ranked

Track the top performing stocks of September 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 September 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 26, 2026 at 2:13 AM EDT

Rank
Symbol
Company Name
Sep Gain
Market Cap
Price
Country
Sector
3301
-33.22%
176.39 M
$ 0.2366
Singapore
Technology
3302
-33.52%
994.04 M
$ 11.13
United States
Healthcare
3303
-33.83%
233.56 M
$ 2.94
United States
Financial Services
3304
-33.95%
1.35 B
$ 24.42
United States
Technology
3305
-35.23%
402.42 M
$ 1.12
China
Financial Services
3306
-36.32%
9.81 B
$ 123.96
United States
Healthcare
3307
-37.73%
472.51 M
$ 4.96
3308
-37.86%
488.13 M
$ 4.78
France
Healthcare
3309
-38.37%
399.00 M
$ 2.6
United States
Healthcare
3310
-38.39%
239.43 M
$ 1.96
Hong Kong
Financial Services
3311
-38.4%
1.28 B
$ 7.56
United States
Healthcare
3312
-40.98%
1.92 B
$ 22.78
United States
Healthcare
3313
-42.06%
160.50 M
$ 3.75
United States
Healthcare
3314
-42.76%
484.16 M
$ 1.37
United States
Financial Services
3315
-47.58%
265.71 M
$ 3.16
United States
Utilities
3316
-49.08%
5.25 B
$ 41.03
United States
Healthcare
3317
-51.43%
2.05 B
$ 3.67
Canada
Basic Materials
3318
-55.43%
1.57 B
$ 11.56
United States
Healthcare
3319
-55.57%
589.86 M
$ 5.94
United States
Healthcare
3320
-59.92%
625.57 M
$ 4.2
United States
Healthcare
3321
-64.34%
8.75 B
$ 136.11
United States
Healthcare
3322
-64.76%
498.21 M
$ 10.28
United States
Financial Services
3323
-90.11%
1.12 B
$ 54.78
United States
Healthcare
3324
-100%
27.60 B
$ 42.33
Return measured from the start of the stock's current trading history (a recent listing or relisting), not from the start of the month.
For the most accurate results, consider cross-referencing our data with other sources.