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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 (+137% 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% $281.15B
RKLB Rocket Lab Corporation +82.06% $40.93B
SNOW Snowflake Inc. +81.24% $92.26B
DDOG Datadog, Inc. +76.01% $86.62B
SMCI Super Micro Computer, Inc. +70.14% $19.31B
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 25, 2026 at 4:04 AM EDT

Rank
Symbol
Company Name
May Gain
Market Cap
Price
Country
Sector
1
315.7%
1.89 B
$ 9.295
United States
Healthcare
2
303.36%
274.00 M
$ 50
China
Consumer Defensive
3
284.55%
477.46 M
$ 2.86
United Arab Emirates
Consumer Cyclical
4
247.6%
845.33 M
$ 10.07
United States
Healthcare
5
242.65%
686.56 M
$ 3.85
United States
Consumer Cyclical
6
211.97%
1.67 B
$ 100.27
United States
Healthcare
7
192.09%
1.02 B
$ 4.03
United States
Technology
8
178.41%
244.95 M
$ 1.3099
United States
Healthcare
9
171.19%
153.16 M
$ 0.6901
United States
Industrials
10
163.06%
2.10 B
$ 8.785
United States
Industrials
11
138.59%
982.00 M
$ 8.12
United States
Technology
12
138.48%
1.89 B
$ 57.9432
United States
Technology
13
137.08%
964.57 M
$ 10.48
United States
Communication Services
14
133.21%
321.34 M
$ 2.5
United States
Industrials
15
123.96%
975.00 M
$ 20.4
United States
Technology
16
119.25%
450.98 M
$ 15.18
United States
Healthcare
17
115.61%
156.21 M
$ 6.1648
United States
Technology
18
111.95%
179.08 M
$ 1.9687
United States
Technology
19
107.71%
367.57 M
$ 4.065
United States
Utilities
20
105.05%
1.44 B
$ 5.155
United States
Industrials
21
101.95%
4.96 B
$ 37.65
United States
Technology
22
100.99%
118.18 M
$ 3.96
Hong Kong
Consumer Cyclical
23
100.27%
281.15 B
$ 435.12
United States
Technology
24
97.23%
1.30 B
$ 12.16
United States
Healthcare
25
95.61%
128.62 M
$ 4.1864
United Kingdom
Technology
26
92.86%
295.02 M
$ 2.035
United States
Healthcare
27
90.41%
134.55 M
$ 6.005
United States
Technology
28
88.84%
2.26 B
$ 11.495
United States
Healthcare
29
87.74%
190.51 M
$ 3.37
United States
Technology
30
86.2%
1.51 B
$ 25.41
United States
Industrials
31
86.07%
762.19 M
$ 12.7
United States
Technology
32
86.02%
259.49 M
$ 4
United States
Healthcare
33
86.01%
821.01 M
$ 3.07
United States
Financial Services
34
85.62%
284.40 M
$ 2.44
United States
Healthcare
35
85.55%
862.22 M
$ 2.86
Canada
Industrials
36
85.46%
125.36 M
$ 7.21
United States
Industrials
37
83.82%
2.68 B
$ 4.435
United States
Technology
38
82.06%
40.93 B
$ 65.5
United States
Industrials
39
81.26%
303.67 M
$ 12.26
United States
Technology
40
81.24%
92.26 B
$ 266.18
United States
Technology
41
79.65%
2.39 B
$ 67.13
United States
Technology
42
78.71%
2.76 B
$ 53.82
United States
Technology
43
78.62%
963.81 M
$ 24.96
United States
Technology
44
78.36%
118.88 M
$ 2.57
United States
Technology
45
77.93%
2.62 B
$ 43
Israel
Technology
46
77.72%
293.84 M
$ 9.86
United States
Technology
47
77.55%
4.80 B
$ 86.845
United States
Industrials
48
76.01%
86.62 B
$ 243.33
United States
Technology
49
75.96%
5.94 B
$ 38.73
United States
Technology
50
74.43%
1.04 B
$ 9.755
United States
Technology
51
74.1%
2.31 B
$ 34.395
United States
Technology
52
73.07%
1.23 B
$ 5.95
Australia
Technology
53
72.56%
235.12 M
$ 3.225
United States
Technology
54
71.09%
134.05 M
$ 6.25
China
Industrials
55
71.08%
2.10 B
$ 13.09
United States
Industrials
56
71%
1.09 B
$ 16.1
United States
Technology
57
70.14%
19.31 B
$ 29.85
United States
Technology
58
69.96%
48.58 B
$ 19.36
Taiwan
Technology
59
69.91%
185.49 M
$ 66.68
United States
Consumer Cyclical
60
69.16%
53.85 B
$ 314.19
United States
Technology
61
68.13%
1.22 B
$ 7.055
Canada
Technology
62
67.36%
472.96 M
$ 3.285
Canada
Technology
63
67.29%
305.67 B
$ 286.189
United Kingdom
Technology
64
67.1%
2.22 B
$ 12.73
Taiwan
Technology
65
66.05%
5.14 B
$ 8.769
Canada
Technology
66
65.98%
6.11 B
$ 88.42
United States
Technology
67
64.43%
44.70 B
$ 122
United States
Technology
68
62.86%
201.59 M
$ 34.02
China
Financial Services
69
62.75%
114.40 M
$ 4.735
United States
Healthcare
70
62.73%
1.72 B
$ 21.54
United States
Industrials
71
62.67%
23.74 B
$ 136.595
United States
Technology
72
62.37%
1.43 B
$ 23.21
United States
Technology
73
62.19%
7.81 B
$ 87.8777
United States
Healthcare
74
62.16%
12.90 B
$ 114.555
United States
Financial Services
75
62.05%
335.09 M
$ 4.75
United States
Healthcare
76
61.97%
192.10 M
$ 2.31
United States
Technology
77
61.61%
21.07 B
$ 686.65
United States
Industrials
78
61.26%
1.25 B
$ 24.14
United States
Technology
79
60.62%
185.97 M
$ 11.13
United States
Healthcare
80
60.45%
407.82 M
$ 30.01
United States
Technology
81
60.43%
185.86 B
$ 182.525
United States
Technology
82
60.07%
9.39 B
$ 61.67
United States
Healthcare
83
59.98%
22.95 B
$ 59.12
United States
Technology
84
59.89%
111.40 B
$ 152.05
United States
Technology
85
59.81%
227.21 M
$ 2.86
United States
Financial Services
86
59.33%
1.26 B
$ 6.435
United States
Financial Services
87
59.31%
9.77 B
$ 80.665
United States
Technology
88
58.82%
257.35 M
$ 4.8
United States
Healthcare
89
57.63%
1.17 B
$ 5.83
United States
Industrials
90
57.5%
4.92 B
$ 9.42
United Kingdom
Consumer Cyclical
91
57.5%
218.65 M
$ 6.03
United States
Industrials
92
56.01%
8.36 B
$ 14.735
United States
Technology
93
56%
12.25 B
$ 32.82
United States
Technology
94
55.76%
133.68 M
$ 13.37
United States
Healthcare
95
55.56%
263.97 B
$ 323.89
United States
Technology
96
55.5%
32.34 B
$ 165.09
United States
Technology
97
55.03%
188.66 M
$ 13.85
United States
Healthcare
98
54.88%
2.55 B
$ 13.815
United States
Utilities
99
54.08%
1.95 B
$ 56.0099
Taiwan
Technology
100
52.58%
428.17 M
$ 39.435
United States
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.