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Top Stock Gainers December 2020 - Monthly Performance Ranked

The top US-listed stocks of December 2020 by monthly gain, on split-adjusted closes. Ranks 2,999 companies above $100M on NYSE, Nasdaq and NYSE American.

Looking for intraday moves instead? Today's stock movers ranks the current session's alert board, so it measures against whichever session is running rather than covering a fixed window.

2020
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

December 2020 ranking, complete through December 31, 2020

60 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
1
GLSI
Greenwich Lifesciences Inc
+565.64%
$244.69M
$16.67
United States
Healthcare
2
ABAT
American Battery Technology Co
+490.72%
$350.59M
$2.57
United States
Industrials
3
OCGN
Ocugen Inc
+437.76%
$471.36M
$1.39
United States
Healthcare
4
ARVN
Arvinas
+244.26%
$604.24M
$9.37
United States
Healthcare
5
RCAT
Red Cat Hldgs Inc
+233.33%
$1.47B
$9.62
United States
Industrials
6
BITF
Bitfarms
+216.67%
$1.20B
$1.98
United States
Financial Services
7
HPK
Highpeak Energy，Inc
+192.49%
$1.05B
$8.32
United States
Energy
8
BTBT
Bit Digital Inc
+174.56%
$551.77M
$1.53
United States
Financial Services
9
CLSK
Cleanspark Inc
+150.43%
$3.08B
$11.98
United States
Financial Services
10
QUBT
Quantum Computing Inc
+150.18%
$2.02B
$8.92
United States
Technology
11
ACIC
American Coastal Insurance
+144.68%
$433.93M
$9.18
United States
Financial Services
12
QS
Quantumscape Corp
+138.42%
$3.68B
$5.98
United States
Consumer Cyclical
13
LXRX
Lexicon Pharmaceuticals Inc
+134.25%
$1.02B
$2.30
United States
Healthcare
14
SLNH
SOLUNA HOLDINGS INC
+132.02%
$288.62M
$1.18
United States
Financial Services
15
GEVO
Gevo Inc
+124.87%
$380.75M
$1.54
United States
Basic Materials
16
NRXP
Nrx Pharmaceuticals Inc
+123.85%
$154.13M
$3.56
United States
Healthcare
17
EDIT
Editas Medicine Inc
+119.78%
$477.63M
$3.11
United States
Healthcare
18
SLDB
Solid Bioscience
+119.71%
$997.19M
$9.30
United States
Healthcare
19
VUZI
Vuzix
+117.75%
$248.18M
$2.94
United States
Technology
20
TUSK
Mammoth Energy Svcs Inc
+116.02%
$147.27M
$3.06
United States
Industrials
21
UUUU
Energy Fuels
+115.15%
$3.78B
$15.14
United States
Energy
22
HUT
Hut 8 Mining
+108.33%
$9.97B
$80.86
United States
Financial Services
23
SI
Shoulder Innovations, Inc.
+106.24%
$459.27M
$22.06
—
—
24
HIVE
HIVE Digital Technologies Ltd
+103.23%
$831.06M
$3.03
United States
Financial Services
25
DMAC
Diamedica Therapeutics Inc
+95.38%
$351.60M
$6.52
United States
Healthcare
26
WULF
Terawulf Inc
+93.22%
$7.80B
$15.64
United States
Financial Services
27
RIOT
Riot Platforms
+92.85%
$7.44B
$19.83
United States
Financial Services
28
LMND
Lemonade Inc
+92.46%
$4.13B
$53.37
United States
Financial Services
29
MNMD
Mind Medicine
+90.63%
$1.46B
$15.02
United States
Healthcare
30
TGTX
Tg Therapeutics Inc
+85.06%
$8.31B
$54.27
United States
Healthcare
31
ANTE
Airnet Technology Inc
+84.03%
$546.93M
$4.94
China
Communication Services
32
ACRS
Aclaris Therapeutics Inc
+83.81%
$943.54M
$6.41
United States
Healthcare
33
NKTX
Nkarta, Inc.
+79.42%
$190.52M
$2.66
United States
Healthcare
34
TARS
Tarsus Pharmaceuticals, Inc.
+79.07%
$3.19B
$72.70
United States
Healthcare
35
CLNE
Clean Energy Fuels Corp
+78.64%
$357.12M
$1.62
United States
Energy
36
BWEN
Broadwind Inc
+76.61%
$105.51M
$4.46
United States
Industrials
37
DNN
Denison Mines
+72.53%
$3.17B
$3.50
Canada
Energy
38
RCKT
Rocket Pharmaceu
+72.18%
$385.31M
$3.51
United States
Healthcare
39
EGHT
8X8 Inc
+71.83%
$290.32M
$2.01
United States
Technology
40
POET
Poet Technologies Inc
+71.05%
$1.43B
$8.25
Canada
Technology
41
DOMO
Domo Inc
+69.29%
$178.74M
$3.80
United States
Technology
42
MARA
MARA Holdings Inc
+68.66%
$4.35B
$11.26
United States
Financial Services
43
LQDT
Liquidity Svcs Inc
+68.18%
$1.36B
$43.27
United States
Consumer Cyclical
44
PERI
Perion Network Ltd
+67.06%
$405.18M
$9.81
Israel
Communication Services
45
VTLE
Vital Energy Inc
+66.67%
$648.56M
$16.76
United States
Energy
46
SLS
Sellas Life Sciences Group Inc
+66.00%
$3.12B
$15.46
United States
Healthcare
47
ATOM
Atomera Inc
+65.20%
$186.53M
$4.78
United States
Technology
48
CLOV
Clover Health Investments Corp
+63.45%
$2.20B
$4.15
United States
Healthcare
49
CTOS
Custom Truck One Source Inc
+63.41%
$2.22B
$9.77
United States
Industrials
50
LEU
Centrus Energy
+62.89%
$3.72B
$186.26
United States
Energy
51
SNCR
Synchronoss Technologies Inc
+62.63%
$103.56M
$9.00
United States
Technology
52
AKTS
AKTIS ONCOLOGY INC
+62.20%
$1.34B
$24.07
United States
Healthcare
53
MGNI
Magnite Inc
+61.67%
$3.37B
$23.50
United States
Communication Services
54
GENI
Genius Sports Limited
+61.38%
$2.16B
$8.06
United Kingdom
Communication Services
55
STTK
Shattuck Labs, Inc.
+61.36%
$755.74M
$7.53
United States
Healthcare
56
HNRG
Hallador Energy Company
+59.78%
$725.06M
$15.38
United States
Utilities
57
ATLC
Atlanticus Holdings Corp
+58.80%
$1.46B
$96.09
United States
Financial Services
58
CLPT
Clearpoint Neuro Inc
+58.27%
$469.46M
$15.39
United States
Healthcare
59
SPRY
ARS Pharms
+57.62%
$547.46M
$5.50
United States
Healthcare
60
MP
Mp Materials Corporation
+56.55%
$10.70B
$60.05
United States
Basic Materials
61
CTRA
Coterra Energy Inc
+56.40%
$24.72B
$32.56
United States
Energy
62
HCAC
Hall Chadwick Acquisition Corp
+56.17%
$294.34M
$10.08
Singapore
Financial Services
63
OBE
Obsidian Energy
+55.81%
$797.37M
$11.95
Canada
Energy
64
PLSE
Pulse Biosciences Inc
+55.24%
$3.60B
$50.42
United States
Healthcare
65
KFS
Kingsway Finl
+55.12%
$307.15M
$10.73
United States
Financial Services
66
EH
Ehang Holdings Ltd
+54.99%
$417.91M
$5.51
China
Industrials
67
BIDU
Baidu Inc
+54.17%
$31.62B
$93.21
China
Communication Services
68
MITK
Mitek Sys Inc
+53.54%
$837.47M
$18.56
United States
Technology
69
BCRX
Biocryst Pharmaceuticals Inc
+52.98%
$2.44B
$9.55
United States
Healthcare
70
NXE
Nexgen Energy
+52.49%
$7.28B
$10.86
Canada
Energy
71
AEHR
Aehr Test Sys
+52.41%
$3.32B
$101.73
United States
Technology
72
ONDS
Ondas Holdings Inc.
+51.71%
$4.97B
$8.71
United States
Technology
73
USAU
U S Gold
+51.70%
$270.70M
$16.38
United States
Basic Materials
74
EOSE
Eos Energy Enterprises Inc
+51.34%
$1.38B
$3.81
United States
Industrials
75
NOAH
Noah Hldgs Ltd
+51.15%
$604.08M
$8.80
Singapore
Financial Services
76
FATE
Fate Therapeutic
+51.00%
$279.18M
$2.33
United States
Healthcare
77
MVST
Microvast Holdings Inc
+49.21%
$309.43M
$0.8047
United States
Consumer Cyclical
78
NMM
Navios
+49.13%
$2.52B
$88.78
Greece
Industrials
79
BEAM
Beam Therapeutics Inc.
+48.82%
$3.07B
$29.76
United States
Healthcare
80
SM
Sm Energy
+48.54%
$8.85B
$37.20
United States
Energy
81
TIGR
Up Fintech Hldg Ltd
+48.41%
$952.47M
$5.33
Singapore
Financial Services
82
LSAK
Lesaka Tech
+48.19%
$394.67M
$4.60
South Africa
Technology
83
MG
Mistras
+48.09%
$603.87M
$18.96
United States
Industrials
84
DJCO
Daily Journal Corp
+47.45%
$826.54M
$599.83
United States
Technology
85
SFIX
Stitch Fix
+46.54%
$445.64M
$3.34
United States
Consumer Cyclical
86
FLNT
Fluent, Inc.
+46.28%
$130.38M
$4.13
United States
Communication Services
87
CURI
Curiositystream Inc
+45.46%
$163.77M
$2.76
United States
Communication Services
88
JMIA
Jumia
+45.09%
$839.59M
$6.74
Germany
Consumer Cyclical
89
TENB
Tenable Holdings
+45.09%
$3.79B
$34.38
United States
Technology
90
STEP
Stepstone Group Inc.
+44.99%
$6.45B
$49.99
United States
Financial Services
91
ORGO
Organogenesis Hldgs Inc
+44.81%
$231.61M
$1.80
United States
Healthcare
92
CELH
Celsius Hldgs Inc
+44.78%
$8.44B
$33.36
United States
Consumer Defensive
93
INVZ
Innoviz Technologies Ltd
+44.64%
$101.30M
$0.3398
Israel
Consumer Cyclical
94
SMTI
Sanara Medtech Inc
+44.64%
$316.53M
$34.45
United States
Healthcare
95
PACB
Pacific Biosc
+44.51%
$419.62M
$1.35
United States
Healthcare
96
ESTA
Establishment Labs Hldgs Inc
+44.33%
$2.17B
$72.67
United States
Healthcare
97
GPRK
Geopark Ltd
+44.33%
$635.33M
$9.79
Colombia
Energy
98
PSFE
Paysafe Limited
+44.08%
$358.72M
$6.87
United Kingdom
Technology
99
nndm
Nano Dimension Ltd.
+43.76%
$324.69M
$1.54
United States
Technology
100
CRWD
Crowdstrike Holdings
+43.61%
$195.45B
$191.95
United States
Technology
Top gain on this page +565.64% GLSI
Rows on this page 100 ranks 1–100
Page 1 of 30
Period December 2020 closed

Best performing large-cap stocks in December 2020

MP MP Materials Corp. +56.55% $10.70B
CTRA Coterra Energy Inc. +56.40% $24.72B
BIDU Baidu, Inc. +54.17% $31.62B
CRWD CrowdStrike Holdings, Inc. +43.61% $195.45B
CYBR CyberArk Software Ltd +43.04% $20.64B

December 2020 Stock Market Momentum

This page answers a current-month trend question with data: which US-listed stocks have shown the strongest price gains so far in December 2020. 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?
#1 GLSI leads with +566% December 2020

Among the 2,999 NYSE, Nasdaq and NYSE American stocks currently eligible for this ranking, GLSI (Greenwich Lifesciences Inc) has the highest gain in December 2020 with +566%. Following are ABAT (+491%) and OCGN (+438%). Top performing sectors: Industrials (+132% avg, 2 in top 10), Healthcare (+110% avg, 3 in top 10), Financial Services (+100% avg, 3 in top 10).

MARKET LEADERS
52-WEEK LEADER
SNDK +3312%
SanDisk Corp
2020 YTD LEADER
HSDT +9999%
Solana Company
DEC 2020 LEADER
GLSI +566%
Greenwich Lifesciences..
52-Week Top 5 Full List →
1 SNDK +3311.9% 2 MGRT +2754.7% 3 AXTI +2390.8% 4 ERAS +1008.8% 5 NUAI +899.0%
2020 YTD Top 5 Full List →
1 HSDT +9999.0% 2 BTBT +5377.5% 3 MNMD +5346.4% 4 ABAT +3900.0% 5 HIVE +2600.0%
December 2020 Top 5 Full List →
1 GLSI +565.6% 2 ABAT +490.7% 3 OCGN +437.8% 4 ARVN +244.3% 5 RCAT +233.3%
Quick Access: 52-Week 2020 YTD Dec 2020 Market Cap Dividends

This ranking shows the top performing stocks and biggest stock gainers during December 2020, 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.

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.

Frequently Asked Questions

Q Which stock has gained the most in December 2020?
A

GLSI (Greenwich Lifesciences Inc) has the highest monthly gain in this ranking for December 2020, with a gain of 566%. Top performers this month include GLSI, ABAT, OCGN.

Q What stocks gained the most in December 2020?
A

The biggest gainers in December 2020 were: GLSI (+566%), ABAT (+491%), OCGN (+438%), ARVN (+244%), RCAT (+233%). 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 2020. 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 2020. 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 companies does this ranking include?
A

2,999 companies with a market capitalization above $100 million traded on NYSE, Nasdaq and NYSE American, each with at least one trading day inside December 2020. One close inside the month is enough to qualify, so a company that listed during the month is ranked on the part of it that it traded.

Q Which sectors performed best in December 2020?
A

The top performing sectors in December 2020 included Healthcare, Industrials, based on the stocks with highest monthly gains. GLSI 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 December 2020. 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 activity across US-listed symbols.

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.