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#1 PIII leads with +316% May 2026

PIII (P3 Health Partners Inc.) is the best performing stock in May 2026. Following are JDZG (+303%) and AIIO (+285%). Top performing sectors: Consumer Defensive (+303% avg, 1 in top 10), Consumer Cyclical (+151% avg, 2 in top 10), Communication Services (+122% avg).

Top Stock Gainers May 2026 - Monthly Performance Ranked

Track the top performing stocks of May 2026 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.

Best performing large-cap stocks in May 2026

DELL Dell Technologies Inc. +100.27% $287.46B
RKLB Rocket Lab Corporation +82.06% $41.95B
SNOW Snowflake Inc. +81.24% $90.73B
DDOG Datadog, Inc. +76.01% $88.13B
SMCI Super Micro Computer, Inc. +70.14% $20.07B
2026

This ranking shows the top performing stocks and biggest stock gainers during May 2026, 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.

May 2026 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 May 2026. 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 July 24, 2026 at 10:56 AM EDT

Rank
Symbol
Company Name
May Gain
Market Cap
Price
Country
Sector
1
315.7%
1.98 B
$ 9.76
United States
Healthcare
2
303.36%
274.00 M
$ 50
China
Consumer Defensive
3
284.55%
510.84 M
$ 3.0599
United Arab Emirates
Consumer Cyclical
4
247.6%
908.29 M
$ 10.82
United States
Healthcare
5
242.65%
775.72 M
$ 4.35
United States
Consumer Cyclical
6
211.97%
1.86 B
$ 111.235
United States
Healthcare
7
192.09%
1.02 B
$ 3.9986
United States
Technology
8
178.41%
242.16 M
$ 1.295
United States
Healthcare
9
171.19%
151.32 M
$ 0.6818
United States
Industrials
10
163.06%
2.18 B
$ 9.13
United States
Industrials
11
138.59%
1.02 B
$ 8.45
United States
Technology
12
138.48%
1.98 B
$ 60.7
United States
Technology
13
137.08%
969.17 M
$ 10.53
United States
Communication Services
14
133.21%
332.80 M
$ 2.5891
United States
Industrials
15
123.96%
968.78 M
$ 20.27
United States
Technology
16
119.25%
452.61 M
$ 15.235
United States
Healthcare
17
115.61%
168.25 M
$ 6.64
United States
Technology
18
111.95%
191.93 M
$ 2.11
United States
Technology
19
107.91%
100.30 M
$ 1.205
United States
Communication Services
20
107.71%
399.67 M
$ 4.42
United States
Utilities
21
105.05%
1.59 B
$ 5.69
United States
Industrials
22
101.95%
5.10 B
$ 38.72
United States
Technology
23
100.99%
118.18 M
$ 3.96
Hong Kong
Consumer Cyclical
24
100.27%
287.46 B
$ 444.88
United States
Technology
25
97.23%
1.34 B
$ 12.53
United States
Healthcare
26
95.61%
115.83 M
$ 3.7701
United Kingdom
Technology
27
92.86%
300.09 M
$ 2.07
United States
Healthcare
28
90.41%
139.84 M
$ 6.2409
United States
Technology
29
88.84%
2.43 B
$ 12.335
United States
Healthcare
30
87.74%
191.92 M
$ 3.395
United States
Technology
31
86.2%
1.55 B
$ 26.14
United States
Industrials
32
86.07%
806.00 M
$ 13.43
United States
Technology
33
86.02%
254.63 M
$ 3.925
United States
Healthcare
34
86.01%
862.46 M
$ 3.225
United States
Financial Services
35
85.62%
295.48 M
$ 2.535
United States
Healthcare
36
85.55%
940.60 M
$ 3.12
Canada
Industrials
37
85.46%
125.36 M
$ 7.21
United States
Industrials
38
83.82%
2.92 B
$ 4.835
United States
Technology
39
82.06%
41.95 B
$ 67.142
United States
Industrials
40
81.26%
328.07 M
$ 13.245
United States
Technology
41
81.24%
90.73 B
$ 261.785
United States
Technology
42
79.65%
2.45 B
$ 68.855
United States
Technology
43
78.71%
3.02 B
$ 59.02
United States
Technology
44
78.62%
1.04 B
$ 26.85
United States
Technology
45
78.36%
134.84 M
$ 2.915
United States
Technology
46
77.93%
2.72 B
$ 44.8
Israel
Technology
47
77.72%
298.28 M
$ 10.0092
United States
Technology
48
77.55%
4.81 B
$ 87.13
United States
Industrials
49
76.01%
88.13 B
$ 247.58
United States
Technology
50
75.96%
6.11 B
$ 39.85
United States
Technology
51
74.43%
1.13 B
$ 10.5499
United States
Technology
52
74.1%
2.56 B
$ 38.05
United States
Technology
53
73.07%
1.10 B
$ 5.35
Australia
Technology
54
72.56%
242.41 M
$ 3.325
United States
Technology
55
71.09%
137.49 M
$ 6.41
China
Industrials
56
71.08%
2.23 B
$ 13.92
United States
Industrials
57
71%
1.12 B
$ 16.56
United States
Technology
58
70.14%
20.07 B
$ 31.025
United States
Technology
59
69.96%
51.60 B
$ 20.565
Taiwan
Technology
60
69.91%
183.18 M
$ 65.85
United States
Consumer Cyclical
61
69.16%
56.85 B
$ 331.655
United States
Technology
62
68.13%
1.32 B
$ 7.6199
Canada
Technology
63
67.36%
498.16 M
$ 3.46
Canada
Technology
64
67.29%
300.90 B
$ 281.72
United Kingdom
Technology
65
67.1%
2.37 B
$ 13.61
Taiwan
Technology
66
66.05%
5.19 B
$ 8.86
Canada
Technology
67
65.98%
6.07 B
$ 87.8351
United States
Technology
68
64.43%
47.65 B
$ 130.06
United States
Technology
69
62.86%
207.40 M
$ 35
China
Financial Services
70
62.75%
113.31 M
$ 4.69
United States
Healthcare
71
62.73%
1.97 B
$ 24.6
United States
Industrials
72
62.67%
23.45 B
$ 134.91
United States
Technology
73
62.37%
1.47 B
$ 23.8685
United States
Technology
74
62.19%
7.66 B
$ 86.1328
United States
Healthcare
75
62.16%
13.16 B
$ 116.855
United States
Financial Services
76
62.05%
337.21 M
$ 4.78
United States
Healthcare
77
61.97%
192.93 M
$ 2.32
United States
Technology
78
61.61%
21.79 B
$ 710.12
United States
Industrials
79
61.26%
1.35 B
$ 26.06
United States
Technology
80
60.62%
193.99 M
$ 11.61
United States
Healthcare
81
60.45%
417.88 M
$ 30.75
United States
Technology
82
60.43%
187.27 B
$ 183.915
United States
Technology
83
60.07%
9.47 B
$ 62.2
United States
Healthcare
84
59.98%
24.16 B
$ 62.255
United States
Technology
85
59.89%
111.71 B
$ 152.48
United States
Technology
86
59.81%
247.07 M
$ 3.11
United States
Financial Services
87
59.33%
1.31 B
$ 6.68
United States
Financial Services
88
59.31%
9.65 B
$ 79.64
United States
Technology
89
58.82%
279.33 M
$ 5.21
United States
Healthcare
90
57.63%
1.21 B
$ 6.03
United States
Industrials
91
57.5%
4.91 B
$ 9.41
United Kingdom
Consumer Cyclical
92
57.5%
209.22 M
$ 5.77
United States
Industrials
93
56.01%
8.21 B
$ 14.48
United States
Technology
94
56%
12.92 B
$ 34.61
United States
Technology
95
55.76%
137.03 M
$ 13.705
United States
Healthcare
96
55.56%
264.48 B
$ 324.51
United States
Technology
97
55.5%
32.78 B
$ 167.29
United States
Technology
98
55.03%
204.25 M
$ 14.995
United States
Healthcare
99
54.88%
2.72 B
$ 14.75
United States
Utilities
100
54.08%
2.14 B
$ 61.55
Taiwan
Technology
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.

Frequently Asked Questions

Q Which stock has gained the most in May 2026?
A

PIII (P3 Health Partners Inc.) has the highest monthly gain in this ranking for May 2026, with a gain of 316%. Top performers this month include PIII, JDZG, AIIO.

Q What stocks gained the most in May 2026?
A

The biggest gainers in May 2026 were: PIII (+316%), JDZG (+303%), AIIO (+285%), REPL (+248%), HYLN (+243%). 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 May 2026. 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 May 2026. 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 May 2026?
A

The top performing sectors in May 2026 included Healthcare, Consumer Defensive, Consumer Cyclical, based on the stocks with highest monthly gains. PIII 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 May 2026. 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.