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#1 TSHA leads with +372% August 2023

TSHA (Taysha Gene Therapies, Inc.) is the best performing stock in August 2023. Following are AHG (+218%) and TDS (+171%). Top performing sectors: Communication Services (+76% avg, 2 in top 10), Healthcare (+67% avg, 5 in top 10), Energy (+46% avg, 1 in top 10).

Top Stock Gainers August 2023 - Monthly Performance Ranked

Track the top performing stocks of August 2023 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.
2023

This ranking shows the top performing stocks and biggest stock gainers during August 2023, 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.

August 2023 Stock Market Momentum

This page answers a current-month trend question with data: which NYSE and NASDAQ stocks have shown the strongest price gains so far in August 2023. The ranking is based on observed market performance, not analyst ratings, price targets, or investment recommendations.

Use the list to research momentum, market breadth, sector strength, and catalysts behind large moves. Before acting on any stock, review the company's news, SEC filings, liquidity, volatility, and your own risk constraints.

Looking for a specific Symbol?

Data as of April 28, 2026 at 11:32 AM EDT

Rank
Symbol
Company Name
Aug Gain
Market Cap
Price
Country
Sector
1
372.32%
1.84 B
$ 6.4
United States
Healthcare
2
218.34%
1.74 B
$ 2.035
China
Healthcare
3
171%
5.15 B
$ 45.21
United States
Communication Services
4
162.41%
6.62 B
$ 77.01
United States
Communication Services
5
126.27%
570.37 M
$ 16.8
United States
Healthcare
6
113.61%
2.43 B
$ 47.69
Canada
Technology
7
110.53%
112.92 M
$ 1.16
United States
Energy
8
99.08%
3.72 B
$ 25.77
United States
Healthcare
9
95.87%
12.60 B
$ 162.17
United States
Technology
10
83.41%
156.22 M
$ 4.34
United States
Healthcare
11
78.76%
254.79 M
$ 17.6
United States
Financial Services
12
74.28%
5.23 B
$ 40.94
United States
Healthcare
13
71.15%
363.70 M
$ 7.7
United Kingdom
Healthcare
14
67.71%
421.23 M
$ 27.66
United States
Consumer Defensive
15
66.67%
12.91 B
$ 81.3
United States
Basic Materials
16
60.86%
597.71 M
$ 14.67
United States
Communication Services
17
59.57%
628.09 M
$ 23.02
United States
Healthcare
18
57.5%
6.44 B
$ 161.26
United States
Healthcare
19
55.56%
679.38 M
$ 7.44
United States
Healthcare
20
55.04%
755.46 M
$ 24.8
United States
Healthcare
21
54.01%
134.91 M
$ 1.7
United States
Industrials
22
53.48%
9.60 B
$ 344.82
United States
Healthcare
23
50%
246.69 M
$ 3.22
Singapore
Technology
24
49.19%
699.78 M
$ 42.54
United States
Financial Services
25
49.06%
522.15 M
$ 7.84
United States
Healthcare
26
48.47%
124.24 B
$ 323.46
United States
Industrials
27
48.07%
655.34 M
$ 16.37
Israel
Healthcare
28
47.8%
1.31 B
$ 10.63
United States
Communication Services
29
44.12%
2.46 B
$ 20.63
United Kingdom
Consumer Cyclical
30
42.08%
4.06 B
$ 13.76
Uruguay
Technology
31
41.55%
109.21 M
$ 0.8515
United Kingdom
Consumer Defensive
32
41.18%
2.04 B
$ 35.27
United States
Healthcare
33
40.59%
618.69 M
$ 6.45
United States
Financial Services
34
39.57%
581.08 M
$ 12.02
United States
Financial Services
35
39.57%
2.46 B
$ 24.44
United States
Energy
36
39.22%
207.38 M
$ 3
United States
Healthcare
37
39%
1.71 B
$ 46.74
United States
Technology
38
37.83%
3.69 B
$ 56.1
United States
Technology
39
37.64%
8.89 B
$ 34.59
United States
Consumer Defensive
40
37.51%
150.74 B
$ 448.29
United States
Communication Services
41
37.03%
3.43 B
$ 27.25
United States
Technology
42
37%
9.21 B
$ 252.76
United States
Industrials
43
36.55%
539.53 M
$ 33.72
Cayman Islands
Utilities
44
36.08%
3.91 B
$ 87.1
United States
Consumer Cyclical
45
35.66%
1.46 B
$ 4.13
United States
Healthcare
46
35.16%
473.30 M
$ 12.92
United States
Healthcare
47
34.26%
192.94 M
$ 10.56
United States
Technology
48
34%
3.57 B
$ 170.7
United States
Basic Materials
49
33.84%
307.49 M
$ 5.39
United States
Healthcare
50
33.45%
2.62 B
$ 9.22
China
Technology
51
33.33%
2.41 B
$ 17.71
United States
Technology
52
32.84%
2.93 B
$ 12.06
Singapore
Technology
53
32.61%
3.72 B
$ 23.76
United States
Technology
54
32.15%
1.15 B
$ 96.19
United States
Industrials
55
32.08%
1.24 B
$ 8.11
United States
Technology
56
32.03%
756.26 M
$ 7.21
United States
Healthcare
57
31.47%
903.24 M
$ 133.35
United States
Consumer Defensive
58
31.41%
15.25 B
$ 497.18
United States
Industrials
59
31.01%
2.70 B
$ 30.73
United States
Healthcare
60
30.92%
4.94 B
$ 46.06
United States
Healthcare
61
30.76%
131.31 M
$ 6.41
United States
Industrials
62
30.64%
917.45 M
$ 133.33
United States
Consumer Defensive
63
30.6%
722.67 M
$ 12.02
Ireland
Industrials
64
30.38%
267.55 M
$ 6.3
United States
Basic Materials
65
30.25%
358.36 M
$ 12.74
United States
Industrials
66
30.04%
25.80 B
$ 720.19
Cayman Islands
Technology
67
29.97%
292.22 M
$ 15.66
United States
Industrials
68
29.72%
11.95 B
$ 599.8
United States
Industrials
69
29.55%
1.91 B
$ 14.43
Luxembourg
Basic Materials
70
29.48%
29.09 B
$ 203.75
United States
Healthcare
71
29.19%
235.37 M
$ 12.69
United States
Industrials
72
29.02%
3.99 B
$ 12.52
United States
Healthcare
73
28.53%
719.22 M
$ 1.82
United States
Technology
74
28.28%
412.89 M
$ 1.46
United States
Healthcare
75
28.16%
9.45 B
$ 203
Israel
Technology
76
28.07%
1.81 B
$ 7.46
United States
Real Estate
77
28.06%
4.04 B
$ 205.63
United States
Energy
78
28%
493.26 M
$ 12.27
United States
Industrials
79
27.86%
4.44 B
$ 21.08
United States
Technology
80
27.43%
10.50 B
$ 81.81
United States
Communication Services
81
26.95%
2.60 B
$ 7.67
United States
Industrials
82
26.87%
30.26 B
$ 438.91
United States
Energy
83
26.8%
1.79 B
$ 78.64
United States
Healthcare
84
26.59%
583.14 M
$ 29.21
United States
Consumer Cyclical
85
26.48%
12.22 B
$ 233.62
United States
Financial Services
86
26.47%
230.79 M
$ 8.73
United States
Financial Services
87
26.29%
1.42 B
$ 14.25
United States
Industrials
88
26.03%
565.49 M
$ 13.71
United States
Technology
89
25.58%
6.37 B
$ 12.53
Guernsey
Consumer Cyclical
90
25.51%
4.37 B
$ 46.02
India
Consumer Cyclical
91
25.01%
13.27 B
$ 251.7
United States
Consumer Cyclical
92
25%
153.38 M
$ 2.33
United States
Healthcare
93
24.58%
3.06 B
$ 13.57
United States
Technology
94
24.55%
480.01 M
$ 68.03
Greece
Industrials
95
24.37%
807.33 M
$ 6.75
Canada
Healthcare
96
24.37%
460.61 M
$ 5.05
Isle of Man
Basic Materials
97
24.02%
809.96 M
$ 22.1
United States
Technology
98
23.58%
675.46 M
$ 1.7
United States
Energy
99
23.51%
4.70 B
$ 15.08
China
Consumer Cyclical
100
23.39%
886.49 M
$ 16.03
United States
Communication Services
For the most accurate results, consider cross-referencing our data with other sources.

Frequently Asked Questions

Q Which stock has gained the most in August 2023?
A

TSHA (Taysha Gene Therapies, Inc.) has the highest monthly gain in this ranking for August 2023, with a gain of 372%. Top performers this month include TSHA, AHG, TDS.

Q What stocks gained the most in August 2023?
A

The biggest gainers in August 2023 were: TSHA (+372%), AHG (+218%), TDS (+171%), USM (+162%), NPCE (+126%). These monthly rankings show which stocks had the strongest short-term momentum.

Q Does this page recommend the best stocks to buy now?
A

No. This page is an informational ranking of stocks that have already gone up during August 2023. It does not make buy, sell, or hold recommendations and should be used as a research starting point, not financial advice.

Q How can this ranking help explain current stock market trends?
A

The ranking shows where price strength is concentrated during August 2023. Comparing the top gainers by sector, market cap, and recent catalysts can help identify momentum themes and market rotation without implying that any listed stock is a recommendation.

Q Which sectors performed best in August 2023?
A

The top performing sectors in August 2023 included Healthcare, Communication Services, based on the stocks with highest monthly gains. TSHA led the Healthcare sector.

Q How is monthly stock performance calculated?
A

Monthly stock performance is calculated by comparing the closing price on the last trading day of the month to the opening price on the first trading day. Split-adjusted prices ensure accuracy.

Q Where can I find today's top stock gainers and most active stocks?
A

This page ranks stocks by their full-month performance in August 2023. For today's top stock gainers, real-time stock movers, and the most active stocks right now, visit our Momentum Scanner which tracks live intraday market activity across NYSE and NASDAQ.

Understanding Monthly Stock Performance

Monthly performance rankings reveal short-term momentum patterns and help identify stocks experiencing rapid price movements:

  • Momentum Research: Stocks showing strong monthly performance can help identify where market attention and price strength are concentrated.
  • Sector Rotation: Monthly rankings can reveal which sectors are gaining favor with investors and where market leadership is shifting.
  • Event-Driven Moves: Earnings releases, product launches, and regulatory approvals often create significant monthly price movements.

Using Monthly Data Effectively

  • Combine Timeframes: Compare monthly gainers with 52-week and YTD performance to identify stocks with both short and long-term momentum.
  • Research the Catalyst: Investigate why top monthly performers moved significantly. The reason for the move matters as much as the percentage gain.
  • Watch for Reversals: Extreme monthly gains sometimes precede corrections, so treat the ranking as a research starting point rather than a buy list.

Evaluate Your Positions

Researching one of this month's top movers? Use our Stock Return Calculator to review historical performance, or the Position Size Calculator to model position sizing and risk before making your own decision.