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Top Stock Gainers December 2025 - Monthly Performance Ranked

The top US-listed stocks of December 2025 by monthly gain, on split-adjusted closes. Ranks 4,340 companies above $100M on NYSE, Nasdaq and NYSE American.
2025
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

December 2025 ranking, complete through December 31, 2025

Filter by sector or market cap, or find a symbol

2 stocks are withheld from this ranking because their price history is under review.

The gain covers the period; price, market cap, sector and country show each company as it is today.

Swipe or scroll the table sideways for more columns.

Rank
Symbol
Company Name
Dec Gain
Market Cap (today)
Price (today)
Country
Sector
4301
CODI
Compass Diversified
-34.78%
$773.43M
$10.28
United States
Industrials
4302
GOGO
Gogo Inc.
-34.83%
$281.86M
$2.08
United States
Communication Services
4303
NKTR
Nektar Therapeutics
-35.16%
$1.31B
$38.27
United States
Healthcare
4304
IMSR
Terrestrial Energy Inc.
-35.28%
$311.45M
$2.94
United States
Utilities
4305
DLTH
Duluth Holdings Inc.
-35.60%
$151.64M
$3.99
United States
Consumer Cyclical
4306
FDMT
4D Molecular Therapeutics, Inc.
-35.68%
$697.18M
$12.62
United States
Healthcare
4307
GLOO
Gloo Holdings, Inc.
-35.71%
$286.49M
$3.13
United States
Technology
4308
NVA
Nova Minerals Corp
-36.07%
$122.99M
$3.22
United States
Basic Materials
4309
AMC
AMC ENTERTAINMENT HOLDINGS, INC.
-36.33%
$2.71B
$3.04
United States
Communication Services
4310
BKKT
Bakkt, Inc.
-36.33%
$253.29M
$5.62
United States
Technology
4311
BDTX
Black Diamond Therapeutics, Inc.
-36.39%
$119.50M
$2.08
United States
Healthcare
4312
HLP
Hongli Group Inc.
-36.59%
$214.50M
$2.87
China
Basic Materials
4313
BLLN
BillionToOne, Inc.
-37.13%
$4.94B
$104.67
United States
Healthcare
4314
DGXX
Digi Power X Inc.
-37.50%
$259.58M
$2.56
United States
Utilities
4315
YSG
Yatsen Holding Limited
-37.86%
$237.32M
$2.53
China
Consumer Defensive
4316
ROMA
Roma Green Finance Limited
-38.10%
$440.78M
$7.40
Hong Kong
Industrials
4317
ZJK
ZJK Industrial Co., Ltd.
-38.46%
$108.70M
$1.69
China
Industrials
4318
SAVA
Cassava Sciences, Inc.
-39.08%
$114.97M
$2.38
United States
Healthcare
4319
ALTS
ALT5 Sigma Corporation
-41.18%
$119.56M
$0.8550
United States
Technology
4320
TONX
TON Strategy Company
-41.64%
$171.27M
$3.11
United States
Technology
4321
NUAI
New Era Energy & Digital, Inc.
-42.44%
$401.05M
$3.32
United States
Technology
4322
AEHL
Antelope Enterprise Holdings Limited
-42.72%
$172.85M
$9.09
China
Industrials
4323
OCC
Optical Cable Corp.
-45.06%
$116.10M
$13.13
United States
Technology
4324
LENZ
LENZ Therapeutics, Inc.
-47.58%
$101.17M
$3.22
United States
Healthcare
4325
SUPX
SuperX AI Technology Limited
-47.96%
$277.59M
$6.42
Singapore
Technology
4326
CD
Chaince Digital Holdings Inc.
-48.44%
$843.18M
$7.67
United States
Financial Services
4327
DEFT
Defi Technologies, Inc.
-50.36%
$164.20M
$0.4190
Canada
Financial Services
4328
FRMI
Fermi Inc.
-51.49%
$1.83B
$2.86
United States
Real Estate
4329
CUE
Cue Biopharma, Inc.
-51.52%
$137.66M
$18.95
United States
Healthcare
4330
BGM
BGM Group Ltd.
-52.08%
$110.04M
$8.24
China
Healthcare
4331
CORT
Corcept Therapeutics Inc.
-56.17%
$12.57B
$116.28
United States
Healthcare
4332
JANX
Janux Therapeutics, Inc.
-59.52%
$1.04B
$16.93
United States
Healthcare
4333
ABTC
American Bitcoin Corp.
-59.91%
$629.16M
$8.64
United States
Financial Services
4334
HURA
TuHURA Biosciences, Inc.
-62.17%
$132.87M
$2.09
United States
Healthcare
4335
BRR
ProCap Financial, Inc.
-65.22%
$359.66M
$4.07
United States
Financial Services
4336
DVLT
Datavault AI Inc.
-67.88%
$132.87M
$0.1439
United States
Technology
4337
IRBT
iRobot Corporation
-70.48%gain through Dec 19
$113.87M
$3.63
United States
Consumer Cyclical
4338
RZLT
Rezolute, Inc.
-75.72%
$357.87M
$3.70
United States
Healthcare
4339
PYXS
Pyxis Oncology, Inc.
-77.84%
$146.80M
$1.76
United States
Healthcare
4340
MENS
Jyong Biotech Ltd.
-85.48%
$140.30M
$1.89
Taiwan
Healthcare
Top gain on this page -34.78% CODI
Rows on this page 40 ranks 4301–4340
Page 44 of 44
Period December 2025 closed

The same month on news: the biggest gains on news in December 2025 and the biggest drops, each ranked by the move on the day its story landed.

For moves inside a single day, Today's stock movers ranks the biggest gainers and losers on our alert board in the latest trading session.

Looking for a specific symbol?
MARKET LEADERS
52-WEEK LEADER
MGRT +2,159%
Mega Fortune Company L..
2025 YTD LEADER
RGC +16,054%
Regencell Bioscience H..
DEC 2025 LEADER
CAPR +439%
Capricor Therapeutics ..
52-Week Top 5 Full List →
1 MGRT +2,159.1% 2 AXTI +1,044.4% 3 MRNA +836.4% 4 SNDK +725.0% 5 MTC +621.8%
2025 YTD Top 5 Full List →
1 RGC +16,053.9% 2 QMMM +9,228.1% 3 ABVX +1,742.3% 4 SRM +1,537.5% 5 TOI +1,052.1%
December 2025 Top 5 Full List →
1 CAPR +439.4% 2 SIDU +349.2% 3 VELO +156.8% 4 GLSI +140.7% 5 TROO +133.6%
Quick Access: 52-Week 2025 YTD Dec 2025 Market Cap Dividends

This ranking shows the top performing stocks and biggest stock gainers of December 2025, measured from the last close of November to the last close of December.

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.

Gains are computed on split-adjusted closes, so a split inside the month does not read as a move. This ranking is informational and is not investment advice.