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MARKET LEADERS
52-WEEK LEADER
WOLF +2368%
Wolfspeed, Inc.
2025 YTD LEADER
RGC +4537%
Regencell Bioscience H..
DEC 2025 LEADER
SIDU +395%
Sidus Space, Inc.
📈 52-Week Top 5 Full List →
1 WOLF +2367.8% 2 BW +1035.9% 3 BE +842.3% 4 CIEN +465.9% 5 TE +389.3%
📅 2025 YTD Top 5 Full List →
1 RGC +4537.2% 2 SNDK +3842.2% 3 AXTI +2512.3% 4 MGRT +2120.5% 5 TOI +1907.5%
🗓 December 2025 Top 5 Full List →
1 SIDU +395.0% 2 CAPR +334.0% 3 VELO +178.4% 4 GLSI +155.0% 5 SLS +151.3%
Quick Access: 52-Week 2025 YTD Dec 2025 Market Cap Dividends
#1 SIDU leads with +395% December 2025

SIDU (Sidus Space, Inc.) is the best performing stock in December 2025. Following are CAPR (+334%) and VELO (+178%). Top performing sectors: Industrials (+83% avg, 2 in top 10), Healthcare (+67% avg, 5 in top 10), Financial Services (+65% avg, 1 in top 10).

Top Stock Gainers December 2025 - Monthly Performance Ranked

Track the top performing stocks of December 2025 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 December 2025

RKLB Rocket Lab Corporation +72.8% $50.64B
SATS EchoStar Corporation +48.9% $30.12B
CFLT Confluent, Inc. +38.27% $11.13B
ASTS AST SpaceMobile, Inc. +38.05% $28.46B
MDB MongoDB, Inc. +27.62% $27.51B
2025
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

This ranking shows the top performing stocks and biggest stock gainers during December 2025, 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.

December 2025 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 December 2025. 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 13, 2026 at 4:15 PM EDT

Rank
Symbol
Company Name
Dec Gain
Market Cap
Price
Country
Sector
1
SIDU
Sidus Space, Inc.
394.96%
210.28 M
$ 2.16
United States
Industrials
2
CAPR
Capricor Therapeutics, Inc.
333.98%
1.25 B
$ 21.51
United States
Healthcare
3
VELO
Velo3D, Inc.
178.42%
394.57 M
$ 13.24
United States
Technology
4
GLSI
Greenwich LifeSciences, Inc.
154.98%
290.63 M
$ 19.8
United States
Healthcare
5
SLS
SELLAS Life Sciences Group,...
151.33%
2.51 B
$ 12.76
United States
Healthcare
6
TROO
TROOPS, Inc.
144.27%
252.87 M
$ 2.07
Hong Kong
Financial Services
7
WVE
Wave Life Sciences Ltd.
129.42%
1.20 B
$ 6.25
Singapore
Healthcare
8
CLYM
Climb Bio, Inc.
123.46%
801.68 M
$ 14
United States
Healthcare
9
AP
Ampco-Pittsburgh Corporation
114.92%
159.56 M
$ 7.85
United States
Industrials
10
HYMC
Hycroft Mining Holding Corp...
101.27%
1.95 B
$ 21.38
United States
Basic Materials
11
GPCR
Structure Therapeutics Inc.
101.19%
3.79 B
$ 53.36
United States
Healthcare
12
ISSC
Innovative Aerosystems, Inc.
99.16%
337.28 M
$ 18.85
United States
Industrials
13
FEIM
Frequency Electronics, Inc.
92.97%
564.24 M
$ 57.33
United States
Technology
14
CV
CapsoVision, Inc.
91.58%
299.28 M
$ 5.99
United States
Healthcare
15
SOC
Sable Offshore Corp.
88.31%
751.47 M
$ 3.92
United States
Energy
16
PRLD
Prelude Therapeutics Incorp...
87.1%
382.70 M
$ 4.805
United States
Healthcare
17
KDK
Kodiak AI, Inc.
84.15%
938.71 M
$ 4.86
United States
Technology
18
IPSC
Century Therapeutics, Inc.
83.44%
405.80 M
$ 2.25
United States
Healthcare
19
EQ
Equillium, Inc.
80.23%
183.99 M
$ 2.91
United States
Healthcare
20
EB
Eventbrite Inc
79.44%
452.96 M
$ 4.51
United States
Communication Services
21
OPTX
Syntec Optics Holdings, Inc.
78.75%
366.14 M
$ 9.09
United States
Technology
22
OMER
Omeros Corporation
77.43%
744.02 M
$ 10.28
United States
Healthcare
23
RGC
Regencell Bioscience Holdin...
75.73%
2.91 B
$ 5.88
Hong Kong
Healthcare
24
VNDA
Vanda Pharmaceuticals Inc.
75.7%
375.25 M
$ 6.24
United States
Healthcare
25
DBI
Designer Brands Inc.
75.65%
280.29 M
$ 5.52
United States
Consumer Cyclical
26
LUNR
Intuitive Machines, Inc.
75.27%
2.59 B
$ 16.14
United States
Industrials
27
RKLB
Rocket Lab Corporation
72.8%
50.64 B
$ 81.04
United States
Industrials
28
ELVA
Electrovaya Inc.
71.74%
426.75 M
$ 8.62
Canada
Industrials
29
SNCR
Synchronoss Technologies, Inc.
70.52%
103.56 M
$ 9
United States
Technology
30
VOR
Vor Biopharma Inc.
70.31%
1.04 B
$ 19.14
United States
Healthcare
31
VTVT
vTv Therapeutics Inc.
70.17%
131.91 M
$ 33.49
United States
Healthcare
32
PL
Planet Labs PBC
68.55%
9.28 B
$ 26.05
United States
Industrials
33
RENT
Rent the Runway, Inc.
62.42%
112.51 M
$ 3.35
United States
Consumer Cyclical
34
DBRG
DigitalBridge Group, Inc.
60.8%
2.92 B
$ 15.77
United States
Financial Services
35
JXG
JX Luxventure Group Inc.
60%
134.59 M
$ 11.16
China
Consumer Cyclical
36
PRAX
Praxis Precision Medicines,...
59.7%
9.06 B
$ 324.99
United States
Healthcare
37
ASYS
Amtech Systems, Inc.
59.47%
326.25 M
$ 18.66
United States
Technology
38
TRT
Trio-Tech International
56.69%
104.87 M
$ 10.37
United States
Technology
39
KLRS
Kalaris Therapeutics, Inc.
54.86%
105.64 M
$ 4.44
United States
Healthcare
40
CPAC
Cementos Pacasmayo S.A.A.
53.91%
977.80 M
$ 11.42
Peru
Basic Materials
41
VERA
Vera Therapeutics, Inc.
53.45%
3.01 B
$ 42
United States
Healthcare
42
VUZI
Vuzix Corporation
52.42%
207.90 M
$ 2.5
United States
Technology
43
AXTI
AXT, Inc.
51.6%
3.74 B
$ 57.21
United States
Technology
44
STTK
Shattuck Labs, Inc.
51.45%
634.17 M
$ 6.64
United States
Healthcare
45
UMAC
Unusual Machines, Inc.
50.77%
899.00 M
$ 18.81
United States
Technology
46
LPTH
LightPath Technologies, Inc.
50.63%
737.15 M
$ 11.74
United States
Technology
47
FBRX
Forte Biosciences, Inc.
49.84%
899.43 M
$ 43.92
United States
Healthcare
48
TE
T1 Energy Inc.
49.44%
1.91 B
$ 6.85
United States
Industrials
49
INDP
Indaptus Therapeutics, Inc.
49.23%
350.43 M
$ 2.63
United States
Healthcare
50
SATS
EchoStar Corporation
48.9%
30.12 B
$ 103.915
United States
Communication Services
51
KRRO
Korro Bio, Inc.
48.88%
209.99 M
$ 14.56
United States
Healthcare
52
RDW
Redwire Corporation
48.44%
2.43 B
$ 10.18
United States
Industrials
53
BIOA
BioAge Labs, Inc.
48.15%
1.08 B
$ 24.34
United States
Healthcare
54
DBVT
DBV Technologies S.A.
47.69%
975.99 M
$ 16.49
France
Healthcare
55
AGCC
Agencia Comercial Spirits Ltd
47.21%
366.63 M
$ 16.09
Taiwan
Consumer Defensive
56
QIPT
Quipt Home Medical Corp
47.08%
162.30 M
$ 3.65
United States
Healthcare
57
TERN
Terns Pharmaceuticals, Inc.
46.75%
6.12 B
$ 52.95
United States
Healthcare
58
DHIL
Diamond Hill Investment Gro...
46.08%
473.29 M
$ 174.99
United States
Financial Services
59
FOLD
Amicus Therapeutics Inc
45.31%
4.55 B
$ 14.49
United States
Healthcare
60
DDL
Dingdong (Cayman) Limited
44.77%
472.30 M
$ 2.16
China
Consumer Defensive
61
STRO
Sutro Biopharma, Inc.
44.35%
492.64 M
$ 29.73
United States
Healthcare
62
AUTL
Autolus Therapeutics plc
44.2%
428.49 M
$ 1.61
United Kingdom
Healthcare
63
DVAX
Dynavax Technologies Corp
43.6%
1.82 B
$ 15.5
United States
Healthcare
64
PLAB
Photronics, Inc.
42.6%
1.76 B
$ 29.9
United States
Technology
65
EDAP
Edap TMS SA
41.2%
161.92 M
$ 4.32
France
Healthcare
66
GUTS
Fractyl Health, Inc.
41.03%
125.76 M
$ 0.7927
United States
Healthcare
67
ZURA
Zura Bio Limited
40.86%
484.84 M
$ 5.11
United States
Healthcare
68
ONTF
ON24, Inc.
40.39%
348.25 M
$ 8.1
United States
Technology
69
SRZN
Surrozen, Inc.
40.2%
269.24 M
$ 23.19
United States
Healthcare
70
EVCM
EverCommerce Inc.
40%
1.80 B
$ 10.17
United States
Technology
71
PNBK
Patriot National Bancorp, Inc.
40%
138.76 M
$ 1.18
United States
Financial Services
72
KYTX
Kyverna Therapeutics, Inc.
39.67%
515.85 M
$ 8.485
United States
Healthcare
73
LYEL
Lyell Immunopharma, Inc.
39.28%
350.24 M
$ 15.01
United States
Healthcare
74
NXDT
NexPoint Diversified Real E...
39.27%
268.96 M
$ 5.2
United States
Real Estate
75
ADEA
Adeia Inc.
39.23%
3.20 B
$ 28.98
United States
Technology
76
TORO
Toro Corp.
38.95%
170.72 M
$ 4.94
Cyprus
Energy
77
FTRE
Fortrea Holdings Inc.
38.67%
1.68 B
$ 17.76
United States
Healthcare
78
CFLT
Confluent, Inc.
38.27%
11.13 B
$ 30.99
United States
Technology
79
ASTS
AST SpaceMobile, Inc.
38.05%
28.46 B
$ 73.32
United States
Technology
80
AARD
Aardvark Therapeutics, Inc.
37.87%
165.80 M
$ 7.6
United States
Healthcare
81
NUTX
Nutex Health Inc.
37.67%
1.27 B
$ 183.91
United States
Healthcare
82
NRGV
Energy Vault Holdings, Inc.
37.61%
618.99 M
$ 3.44
United States
Utilities
83
POET
POET Technologies Inc.
37.31%
1.43 B
$ 8.31
Canada
Technology
84
ALM
Almonty Industries Inc.
37.01%
4.71 B
$ 16.61
United States
Basic Materials
85
IKT
Inhibikase Therapeutics, Inc.
36.67%
269.35 M
$ 2.04
United States
Healthcare
86
FLNT
Fluent, Inc.
36.36%
110.62 M
$ 3.71
United States
Communication Services
87
AIRJ
AirJoule Technologies Corpo...
36.33%
311.32 M
$ 4.3
United States
Industrials
88
CYBN
Cybin Inc.
36.33%
148.61 M
$ 6.01
Canada
Healthcare
89
RAIL
FreightCar America, Inc.
35.83%
261.88 M
$ 7.99
United States
Industrials
90
BFLY
Butterfly Network, Inc.
35.71%
2.09 B
$ 7.98
United States
Healthcare
91
TLYS
Tilly's, Inc.
35.37%
125.61 M
$ 4.12
United States
Consumer Cyclical
92
ELVR
Elevra Lithium Limited
35.04%
1.13 B
$ 62.63
Australia
Basic Materials
93
DXYZ
Destiny Tech100 Inc.
34.64%
842.98 M
$ 27.67
United States
Financial Services
94
FBIO
Fortress Biotech, Inc.
34.56%
109.62 M
$ 3.3
United States
Healthcare
95
TENX
Tenax Therapeutics, Inc.
34.4%
465.52 M
$ 17.55
United States
Healthcare
96
SSTI
SoundThinking, Inc.
34.28%
112.05 M
$ 8.65
United States
Technology
97
PAMT
PAMT CORP
34.07%
295.30 M
$ 14.1
United States
Industrials
98
SHMD
SCHMID Group N.V.
33.23%
292.26 M
$ 4.45
Germany
Industrials
99
FLY
Firefly Aerospace Inc.
33.08%
3.96 B
$ 24.09
United States
Industrials
100
ALMS
Alumis Inc.
32.79%
3.61 B
$ 28.31
United States
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 December 2025?
A

SIDU (Sidus Space, Inc.) has the highest monthly gain in this ranking for December 2025, with a gain of 395%. Top performers this month include SIDU, CAPR, VELO.

Q What stocks gained the most in December 2025?
A

The biggest gainers in December 2025 were: SIDU (+395%), CAPR (+334%), VELO (+178%), GLSI (+155%), SLS (+151%). 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 December 2025. 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 December 2025. 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 December 2025?
A

The top performing sectors in December 2025 included Industrials, Healthcare, Technology, based on the stocks with highest monthly gains. SIDU led the Industrials 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 December 2025. 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.