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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 (+64% avg, 5 in top 10), Financial Services (+44% 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 June 21, 2026 at 12:10 AM EDT

Rank
Symbol
Company Name
Aug Gain
Market Cap
Price
Country
Sector
1
372.32%
1.84 B
$ 6.42
United States
Healthcare
2
218.34%
1.15 B
$ 1.34
China
Healthcare
3
171%
4.51 B
$ 39.59
United States
Communication Services
4
162.41%
6.62 B
$ 77.01
United States
Communication Services
5
126.27%
532.89 M
$ 15.63
United States
Healthcare
6
113.61%
2.34 B
$ 45.61
Canada
Technology
7
99.08%
4.55 B
$ 27.97
United States
Healthcare
8
95.87%
12.99 B
$ 161.85
United States
Technology
9
83.41%
180.08 M
$ 5
United States
Healthcare
10
78.76%
235.38 M
$ 16.25
United States
Financial Services
11
74.28%
5.25 B
$ 41.03
United States
Healthcare
12
71.15%
327.34 M
$ 6.93
United Kingdom
Healthcare
13
67.71%
388.62 M
$ 25.43
United States
Consumer Defensive
14
66.67%
13.59 B
$ 85.57
United States
Basic Materials
15
60.86%
614.96 M
$ 16.19
United States
Communication Services
16
59.57%
889.70 M
$ 32.48
United States
Healthcare
17
57.5%
5.86 B
$ 146.12
United States
Healthcare
18
55.56%
606.43 M
$ 6.25
United States
Healthcare
19
55.04%
487.80 M
$ 17.69
United States
Healthcare
20
53.48%
7.87 B
$ 282.31
United States
Healthcare
21
50%
340.21 M
$ 3.03
Singapore
Technology
22
49.19%
536.47 M
$ 28.43
United States
Financial Services
23
49.06%
246.54 M
$ 3.7
United States
Healthcare
24
48.47%
127.93 B
$ 333.05
United States
Industrials
25
48.07%
597.44 M
$ 14.89
Israel
Healthcare
26
47.8%
994.32 M
$ 8.05
United States
Communication Services
27
44.12%
2.34 B
$ 20.32
United Kingdom
Consumer Cyclical
28
42.08%
3.76 B
$ 12.79
Uruguay
Technology
29
41.55%
212.91 M
$ 1.66
United Kingdom
Consumer Defensive
30
41.18%
1.64 B
$ 28.38
United States
Healthcare
31
40.59%
618.69 M
$ 6.45
United States
Financial Services
32
39.57%
508.87 M
$ 10.5
United States
Financial Services
33
39.57%
2.47 B
$ 24.54
United States
Energy
34
39.22%
292.61 M
$ 4.25
United States
Healthcare
35
39%
1.24 B
$ 33.98
United States
Technology
36
37.83%
7.59 B
$ 109.87
United States
Technology
37
37.64%
7.87 B
$ 30.8
United States
Consumer Defensive
38
37.51%
157.79 B
$ 469.71
United States
Communication Services
39
37.14%
441.65 M
$ 3.9
United States
Healthcare
40
37.03%
2.65 B
$ 21.07
United States
Technology
41
37%
10.83 B
$ 297.2
United States
Industrials
42
36.55%
478.25 M
$ 29.89
Cayman Islands
Utilities
43
36.08%
3.88 B
$ 87.24
United States
Consumer Cyclical
44
35.66%
1.72 B
$ 4.82
United States
Healthcare
45
35.16%
259.91 M
$ 7.08
United States
Healthcare
46
34.26%
737.56 M
$ 11.24
United States
Technology
47
34%
3.37 B
$ 161.45
United States
Basic Materials
48
33.84%
328.86 M
$ 5.77
United States
Healthcare
49
33.45%
2.49 B
$ 8.75
China
Technology
50
33.33%
2.48 B
$ 18.18
United States
Technology
51
32.84%
4.36 B
$ 17.93
Singapore
Technology
52
32.61%
2.80 B
$ 17.9
United States
Technology
53
32.15%
955.47 M
$ 80.15
United States
Industrials
54
32.08%
1.23 B
$ 8
United States
Technology
55
32.03%
705.91 M
$ 6.73
United States
Healthcare
56
31.47%
1.07 B
$ 158.5
United States
Consumer Defensive
57
31.41%
26.45 B
$ 861.88
United States
Industrials
58
31.01%
2.95 B
$ 31.23
United States
Healthcare
59
30.92%
8.58 B
$ 79.91
United States
Healthcare
60
30.76%
143.90 M
$ 7.03
United States
Industrials
61
30.64%
1.06 B
$ 155.85
United States
Consumer Defensive
62
30.6%
855.02 M
$ 11.4
Ireland
Industrials
63
30.38%
247.36 M
$ 5.88
United States
Basic Materials
64
30.25%
393.31 M
$ 13.98
United States
Industrials
65
30.04%
20.56 B
$ 573.76
Cayman Islands
Technology
66
29.97%
316.28 M
$ 16.95
United States
Industrials
67
29.72%
14.19 B
$ 712.39
United States
Industrials
68
29.55%
1.89 B
$ 14.24
Luxembourg
Basic Materials
69
29.48%
33.14 B
$ 231.41
United States
Healthcare
70
29.19%
233.24 M
$ 11
United States
Industrials
71
29.02%
5.17 B
$ 16.21
United States
Healthcare
72
28.53%
743.19 M
$ 1.88
United States
Technology
73
28.28%
285.74 M
$ 0.9699
United States
Healthcare
74
28.16%
8.99 B
$ 195.16
Israel
Technology
75
28.07%
2.15 B
$ 8.86
United States
Real Estate
76
28.06%
3.77 B
$ 191.39
United States
Energy
77
28%
643.22 M
$ 15.89
United States
Industrials
78
27.86%
4.44 B
$ 21.1
United States
Technology
79
27.43%
10.36 B
$ 80.41
United States
Communication Services
80
26.95%
2.60 B
$ 7.65
United States
Industrials
81
26.87%
24.49 B
$ 355.11
United States
Energy
82
26.8%
1.81 B
$ 79.49
United States
Healthcare
83
26.59%
603.90 M
$ 30.25
United States
Consumer Cyclical
84
26.48%
11.56 B
$ 221.14
United States
Financial Services
85
26.47%
1.21 B
$ 8.43
United States
Financial Services
86
26.29%
2.01 B
$ 20.16
United States
Industrials
87
26.03%
630.65 M
$ 15.29
United States
Technology
88
25.58%
6.77 B
$ 13.32
Guernsey
Consumer Cyclical
89
25.51%
4.43 B
$ 46.72
India
Consumer Cyclical
90
25.01%
15.71 B
$ 297.37
United States
Consumer Cyclical
91
25%
186.05 M
$ 2.825
United States
Healthcare
92
24.58%
2.42 B
$ 11
United States
Technology
93
24.55%
484.03 M
$ 68.6
Greece
Industrials
94
24.37%
571.47 M
$ 4.73
Canada
Healthcare
95
24.37%
442.37 M
$ 4.85
Isle of Man
Basic Materials
96
24.02%
976.55 M
$ 26.6
United States
Technology
97
23.58%
596.00 M
$ 1.5
United States
Energy
98
23.51%
3.72 B
$ 11.94
China
Consumer Cyclical
99
23.39%
784.47 M
$ 14.18
United States
Communication Services
100
23.01%
1.84 B
$ 36.27
France
Healthcare
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.