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Top Stock Gainers October 2026 - Monthly Performance Ranked

The top US-listed stocks of October 2026 by monthly gain, on split-adjusted closes. Ranks 4,420 companies above $100M on NYSE, Nasdaq and NYSE American.
2026
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Data through October 22, 2026

Filter by sector or market cap, or find a symbol

Swipe or scroll the table sideways for more columns.

Rank
Symbol
Company Name
Oct Gain
Market Cap
Price
Country
Sector
4001
NVMI
Nova Ltd.
-19.49%
$9.86B
$310.13
Israel
Technology
4002
PS
Pershing Square Inc.
-19.49%
$18.02B
$45.04
United States
Financial Services
4003
RSI
Rush Street Interactive, Inc.
-19.53%
$3.79B
$16.36
United States
Consumer Cyclical
4004
NSTR
NorthStar Earth & Space Enterprises, Inc.
-19.55%†
$147.34M
$3.58
Canada
Industrials
4005
WOLF
Wolfspeed, Inc.
-19.55%
$1.20B
$24.64
United States
Technology
4006
MU
Micron Technology, Inc.
-19.59%
$969.05B
$856.49
United States
Technology
4007
RWT
Redwood Trust, Inc.
-19.59%
$391.91M
$3.12
United States
Real Estate
4008
HESM
Hess Midstream LP
-19.61%
$6.19B
$30.04
United States
Energy
4009
BBAI
BigBear.ai Holdings, Inc.
-19.62%
$1.02B
$2.13
United States
Technology
4010
ACHV
Achieve Life Sciences, Inc.
-19.65%
$670.17M
$6.50
United States
Healthcare
4011
EH
EHang Holdings Limited
-19.67%
$257.12M
$3.39
China
Industrials
4012
MTZ
MasTec, Inc.
-19.69%
$13.78B
$171.55
United States
Industrials
4013
RMBS
Rambus Inc
-19.70%
$9.30B
$85.73
United States
Technology
4014
CADL
Candel Therapeutics, Inc.
-19.73%
$641.23M
$8.38
United States
Healthcare
4015
BDSX
Biodesix, Inc.
-19.75%
$252.59M
$23.94
United States
Healthcare
4016
IMMX
Immix Biopharma, Inc.
-19.75%
$692.24M
$8.35
United States
Healthcare
4017
TCGX
TCGX Acquisition Corp.
-19.82%
$113.38M
$10.00
United States
Financial Services
4018
TRX
TRX Gold Corporation
-19.83%
$317.65M
$1.05
Canada
Basic Materials
4019
PRQR
ProQR Therapeutics N.V.
-19.88%
$187.69M
$1.33
Netherlands
Healthcare
4020
CSIQ
Canadian Solar Inc.
-19.97%
$626.01M
$9.22
Canada
Technology
4021
AMCX
AMC Global Media Inc.
-19.98%
$384.86M
$9.33
United States
Communication Services
4022
PPTA
Perpetua Resources Corp.
-19.98%
$2.16B
$17.26
United States
Basic Materials
4023
SRZN
Surrozen, Inc.
-19.98%
$302.65M
$25.32
United States
Healthcare
4024
TARA
Protara Therapeutics, Inc.
-20.00%
$144.19M
$2.50
United States
Healthcare
4025
BHE
Benchmark Electronics
-20.03%
$2.38B
$66.30
United States
Technology
4026
GYRE
Gyre Therapeutics, Inc.
-20.05%
$621.36M
$5.86
United States
Healthcare
4027
VCX
Fundrise Innovation Fund, LLC
-20.05%
$847.68M
$24.40
United States
Financial Services
4028
LAC
Lithium Americas Corp.
-20.15%
$762.39M
$2.10
Canada
Basic Materials
4029
ACLS
Axcelis Technologies Inc
-20.16%
$3.23B
$104.74
United States
Technology
4030
CEVA
CEVA Inc.
-20.18%
$793.94M
$28.20
United States
Technology
4031
HUMA
Humacyte, Inc.
-20.20%
$114.23M
$0.4131
United States
Healthcare
4032
PL
Planet Labs PBC
-20.20%
$4.76B
$13.08
United States
Industrials
4033
SY
So-Young International Inc.
-20.22%
$214.31M
$2.19
China
Healthcare
4034
MOS
The Mosaic Company
-20.23%
$5.49B
$17.27
United States
Basic Materials
4035
ELVA
Electrovaya Inc.
-20.25%
$259.99M
$5.20
Canada
Industrials
4036
IOND
Ionic Digital Inc.
-20.29%
$2.88B
$64.03
United States
Financial Services
4037
LUMN
Lumen Technologies, Inc.
-20.36%
$4.60B
$4.46
United States
Communication Services
4038
LANV
Lanvin Group Holdings Limited
-20.38%
$117.41M
$0.8400
China
Consumer Cyclical
4039
NVT
nVent Electric plc
-20.39%
$20.66B
$127.67
United Kingdom
Industrials
4040
SGML
Sigma Lithium Corporation
-20.43%
$842.01M
$8.14
Canada
Basic Materials
4041
IE
Ivanhoe Electric Inc.
-20.46%
$1.26B
$7.89
United States
Basic Materials
4042
SSII
SS Innovations International Inc.
-20.47%
$475.16M
$2.41
India
Healthcare
4043
ECC
Eagle Point Credit Company
-20.52%
$365.78M
$2.75
United States
Financial Services
4044
LXRX
Lexicon Pharmaceuticals, Inc.
-20.53%
$662.98M
$1.49
United States
Healthcare
4045
KALU
Kaiser Aluminum Corporation
-20.60%
$1.88B
$114.99
United States
Basic Materials
4046
ROMA
Roma Green Finance Limited
-20.65%
$406.46M
$6.82
Hong Kong
Industrials
4047
IKT
Inhibikase Therapeutics, Inc.
-20.68%
$227.44M
$1.63
United States
Healthcare
4048
MTA
Metalla Royalty & Streaming Ltd.
-20.70%
$698.41M
$7.47
Canada
Basic Materials
4049
XNET
Xunlei Limited
-20.70%
$244.13M
$3.90
China
Technology
4050
VECO
Veeco Instruments Inc
-20.71%
$2.51B
$46.66
United States
Technology
4051
VKTX
Viking Therapeutics, Inc
-20.77%
$3.28B
$26.38
United States
Healthcare
4052
CABA
Cabaletta Bio, Inc.
-20.83%
$257.71M
$1.52
United States
Healthcare
4053
UEC
Uranium Energy Corp.
-20.85%
$3.71B
$7.90
United States
Energy
4054
FTK
Flotek Industries, Inc.
-20.87%
$840.31M
$23.20
United States
Energy
4055
GPRO
GoPro, Inc.
-20.93%
$210.48M
$1.02
United States
Technology
4056
NNE
Nano Nuclear Energy Inc.
-20.95%
$672.84M
$12.53
United States
Industrials
4057
ENGN
enGene Therapeutics Inc.
-21.00%
$105.89M
$1.58
Canada
Healthcare
4058
RBBN
Ribbon Communications Inc.
-21.02%
$248.56M
$1.39
United States
Technology
4059
RAPP
Rapport Therapeutics, Inc.
-21.04%
$1.27B
$26.53
United States
Healthcare
4060
IRD
Opus Genetics, Inc.
-21.07%
$317.81M
$3.82
United States
Healthcare
4061
OWLT
Owlet, Inc.
-21.10%
$121.27M
$4.15
United States
Healthcare
4062
HIMX
Himax Technologies, Inc.
-21.11%
$1.94B
$11.10
Taiwan
Technology
4063
ASPI
ASP Isotopes Inc.
-21.13%
$320.42M
$2.09
United States
Basic Materials
4064
CDE
Coeur Mining, Inc.
-21.14%
$14.27B
$13.88
United States
Basic Materials
4065
GHRS
GH Research PLC
-21.21%
$1.27B
$18.50
Ireland
Healthcare
4066
USBC
USBC, Inc.
-21.23%
$166.32M
$0.4638
United States
Technology
4067
VOYG
Voyager Technologies, Inc.
-21.26%
$1.45B
$24.52
United States
Industrials
4068
PESI
Perma-Fix Environmental Services, Inc.
-21.34%
$261.20M
$12.31
United States
Industrials
4069
BE
Bloom Energy Corporation
-21.38%
$64.14B
$217.77
United States
Industrials
4070
GLDG
GoldMining Inc.
-21.43%
$160.91M
$0.7491
Canada
Basic Materials
4071
THRM
Gentherm Inc
-21.47%
$1.42B
$28.44
United States
Consumer Cyclical
4072
BMM
Blue Moon Metals Inc.
-21.51%
$413.16M
$3.94
Canada
Basic Materials
4073
ARCT
Arcturus Therapeutics Holdings Inc.
-21.62%
$304.98M
$10.73
United States
Healthcare
4074
QNC
Quantum eMotion Corp.
-21.62%
$254.53M
$1.16
Canada
Technology
4075
CHRN
ChronoScale Holdings Corporation
-21.64%
$2.25B
$15.46
United States
Technology
4076
SPIR
Spire Global, Inc.
-21.65%
$342.65M
$9.01
United States
Industrials
4077
APLD
Applied Digital Corporation
-21.67%
$5.77B
$19.09
United States
Technology
4078
BKSY
BlackSky Technology Inc.
-21.68%
$683.04M
$16.69
United States
Industrials
4079
CNTN
Canton Strategic Holdings, Inc.
-21.68%
$148.21M
$1.86
United States
Healthcare
4080
MPT
Medical Properties Trust, Inc.
-21.68%
$1.62B
$2.71
United States
Real Estate
4081
TONX
TON Strategy Company
-21.69%
$163.01M
$3.11
United States
Technology
4082
PWP
Perella Weinberg Partners
-21.77%
$1.24B
$12.76
United States
Financial Services
4083
DOYU
DouYu International Holdings Limited
-21.79%
$108.34M
$3.59
China
Communication Services
4084
VLN
Valens Semiconductor Ltd.
-21.81%
$159.17M
$1.61
Israel
Technology
4085
ANGO
AngioDynamics, Inc.
-21.85%
$505.49M
$12.02
United States
Healthcare
4086
TLRY
Tilray Brands, Inc.
-21.87%
$433.02M
$2.92
Canada
Healthcare
4087
ALLO
Allogene Therapeutics, Inc.
-21.88%
$431.86M
$1.25
United States
Healthcare
4088
BIOA
BioAge Labs, Inc.
-22.00%
$253.81M
$5.53
United States
Healthcare
4089
QUBT
Quantum Computing Inc.
-22.01%
$1.49B
$6.59
United States
Technology
4090
RDW
Redwire Corporation
-22.03%
$2.03B
$8.14
United States
Industrials
4091
MSLE
Satellos Bioscience Inc.
-22.06%
$140.56M
$6.63
Canada
Healthcare
4092
WDC
Western Digital Corp.
-22.06%
$132.58B
$378.51
United States
Technology
4093
ABCL
AbCellera Biologics Inc.
-22.07%
$3.68B
$11.37
Canada
Healthcare
4094
TEM
Tempus AI, Inc.
-22.09%
$11.51B
$67.76
United States
Healthcare
4095
KLIC
Kulicke & Soffa Industries Inc
-22.12%
$3.84B
$73.40
Singapore
Technology
4096
LTRX
Lantronix Inc
-22.19%
$262.99M
$5.61
United States
Technology
4097
WRD
WeRide Inc.
-22.22%
$1.36B
$4.27
China
Technology
4098
AVIR
Atea Pharmaceuticals, Inc.
-22.26%
$324.83M
$4.05
United States
Healthcare
4099
MVST
Microvast Holdings, Inc.
-22.26%
$191.80M
$0.4970
United States
Consumer Cyclical
4100
SE
Sea Limited
-22.26%
$46.36B
$75.69
Singapore
Consumer Cyclical
Top gain on this page -19.49% NVMI
Rows on this page 100 ranks 4001–4100
Page 41 of 45
Period October 2026 running

The same month on news: the biggest gains on news in October 2026 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
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OCT 2026 LEADER
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52-Week Top 5 Full List →
1 MGRT +2,212.1% 2 AXTI +750.8% 3 MRNA +657.8% 4 MTC +593.1% 5 SNDK +577.3%
2026 YTD Top 5 Full List →
1 MGRT +1,377.8% 2 BUUU +646.1% 3 ANL +645.1% 4 MRNA +587.1% 5 SNDK +431.2%
October 2026 Top 5 Full List →
1 XLAB +154.6% 2 BMBL +125.9% 3 GIBO +102.3% 4 XHG +99.0% 5 NAUT +83.1%
Quick Access: 52-Week 2026 YTD Oct 2026 Market Cap Dividends

This ranking shows the top performing stocks and biggest stock gainers of October 2026 so far, measured from the last close of September to the latest close.

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.

† Return measured from the start of the stock's current trading history (a recent listing or relisting), not from the start of the month.
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.