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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 4,416 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
4201
OKLO
Oklo Inc.
-27.04%
$5.02B
$27.01
United States
Utilities
4202
RGTI
Rigetti Computing, Inc.
-27.06%
$3.83B
$11.48
United States
Technology
4203
OCC
Optical Cable Corp.
-27.10%
$106.81M
$12.08
United States
Technology
4204
FEIM
Frequency Electronics, Inc.
-27.13%
$694.43M
$61.60
United States
Technology
4205
KOPN
Kopin Corp
-27.17%
$605.07M
$3.35
United States
Technology
4206
ACRS
Aclaris Therapeutics, Inc.
-27.19%
$563.77M
$3.83
United States
Healthcare
4207
SDGR
Schrodinger, Inc.
-27.21%
$1.69B
$22.60
United States
Healthcare
4208
SENS
Senseonics Holdings, Inc.
-27.24%
$391.27M
$7.40
United States
Healthcare
4209
RMIX
Suncrete, Inc.
-27.35%
$687.09M
$9.35
United States
Basic Materials
4210
SABR
Sabre Corporation
-27.36%
$621.52M
$1.54
United States
Technology
4211
AIBZ
Bitzero Holdings Inc.
-27.40%
$192.49M
$3.02
Canada
Technology
4212
PHOS
First Phosphate Corp.
-27.42%
$212.79M
$11.25
Canada
Basic Materials
4213
ARM
Arm Holdings
-27.47%
$224.39B
$210.10
United Kingdom
Technology
4214
SNDK
Sandisk Corporation
-27.53%
$182.24B
$1,260.93
United States
Technology
4215
VPG
Vishay Precision Group, Inc.
-27.56%
$701.85M
$52.69
United States
Technology
4216
ALAB
Astera Labs
-27.57%
$44.73B
$257.82
United States
Technology
4217
KLXE
KLX Energy Services Holdings, Inc.
-27.59%
$110.33M
$1.05
United States
Energy
4218
AVEX
AEVEX Corp.
-27.61%
$758.41M
$10.96
United States
Industrials
4219
AIRO
AIRO Group Holdings, Inc.
-27.69%
$150.84M
$4.78
United States
Industrials
4220
MXL
MaxLinear, Inc.
-27.72%
$5.92B
$65.28
United States
Technology
4221
VIAV
Viavi Solutions Inc.
-27.72%
$7.45B
$30.30
United States
Technology
4222
BW
Babcock & Wilcox Enterprises, Inc.
-27.74%
$628.63M
$4.22
United States
Industrials
4223
SION
Sionna Therapeutics, Inc.
-27.76%
$171.81M
$3.80
United States
Healthcare
4224
COHR
Coherent Corp.
-27.79%
$40.93B
$207.82
United States
Technology
4225
MOD
Modine Manufacturing Co
-27.79%
$7.19B
$135.17
United States
Consumer Cyclical
4226
SNDX
Syndax Pharmaceuticals, Inc.
-27.82%
$1.21B
$13.57
United States
Healthcare
4227
TRVG
trivago N.V.
-27.98%
$268.83M
$3.81
Germany
Communication Services
4228
SILC
Silicom Ltd
-28.07%
$216.23M
$37.62
Israel
Technology
4229
CURR
Currenc Group Inc.
-28.08%
$248.70M
$2.22
Singapore
Technology
4230
SANM
Sanmina Corp
-28.12%
$8.28B
$154.47
United States
Technology
4231
BRAI
Braiin Limited
-28.33%
$797.56M
$3.87
Australia
Technology
4232
NERV
Minerva Neurosciences, Inc
-28.36%
$114.59M
$2.40
United States
Healthcare
4233
PRE
Prenetics Global Limited
-28.36%
$323.35M
$16.57
Hong Kong
Consumer Defensive
4234
PSEC
Prospect Capital Corporation
-28.37%
$795.39M
$1.49
United States
Financial Services
4235
AESI
Atlas Energy Solutions Inc.
-28.39%
$1.08B
$8.60
United States
Energy
4236
EU
enCore Energy Corp.
-28.43%
$150.18M
$0.7730
United States
Energy
4237
SKHY
SK hynix Inc.
-28.49%
$959.84B
$131.69
South Korea
Technology
4238
GLOO
Gloo Holdings, Inc.
-28.50%
$280.08M
$3.06
United States
Technology
4239
REA
Rare Earths Americas, Inc.
-28.54%
$147.89M
$7.21
United States
Basic Materials
4240
POET
POET Technologies Inc.
-28.74%
$922.40M
$5.33
Canada
Technology
4241
FUFU
BitFuFu Inc.
-28.76%
$166.26M
$0.9974
Singapore
Financial Services
4242
PLUG
Plug Power Inc.
-28.87%
$1.93B
$1.38
United States
Industrials
4243
IDR
Idaho Strategic Resources, Inc.
-28.89%
$315.10M
$19.91
United States
Basic Materials
4244
INTC
Intel Corp
-28.89%
$451.91B
$85.49
United States
Technology
4245
LRMR
Larimar Therapeutics, Inc.
-28.95%
$235.81M
$2.27
United States
Healthcare
4246
IONQ
IonQ, Inc.
-28.96%
$12.62B
$31.16
United States
Technology
4247
SITM
SiTime
-29.03%
$13.91B
$462.72
United States
Technology
4248
GDS
GDS Holdings Limited
-29.11%
$4.44B
$22.14
China
Technology
4249
GSIT
GSI Technology
-29.11%
$148.35M
$3.86
United States
Technology
4250
TH
Target Hospitality Corp.
-29.21%
$1.37B
$13.96
United States
Industrials
4251
PDYN
Palladyne AI Corp.
-29.26%
$180.09M
$3.65
United States
Technology
4252
PURR
Hyperliquid Strategies Inc
-29.26%
$1.72B
$8.68
United States
Financial Services
4253
TTRX
Turn Therapeutics Inc.
-29.26%
$309.14M
$10.18
United States
Healthcare
4254
ATOM
Atomera Incorporated
-29.36%
$120.19M
$3.08
United States
Technology
4255
FCEL
FuelCell Energy Inc NEW (DE)
-29.48%
$925.87M
$11.58
United States
Industrials
4256
YSS
York Space Systems Inc.
-29.48%
$837.88M
$6.10
United States
Industrials
4257
SPMC
Sound Point Meridian Capital, Inc.
-29.49%
$122.33M
$5.93
United States
Financial Services
4258
AEVA
Aeva Technologies, Inc.
-29.63%
$688.69M
$9.88
United States
Technology
4259
BTQ
BTQ Technologies Corp.
-29.66%
$300.04M
$2.04
Canada
Technology
4260
QBTS
D-Wave Quantum Inc.
-29.81%
$4.42B
$11.63
United States
Technology
4261
SMTC
Semtech Corp
-29.85%
$11.68B
$125.12
United States
Technology
4262
GPCR
Structure Therapeutics Inc.
-29.87%
$1.56B
$21.93
United States
Healthcare
4263
IVVD
Invivyd, Inc.
-29.88%
$179.83M
$0.6101
United States
Healthcare
4264
TWST
Twist Bioscience Corporation
-29.90%
$8.98B
$135.47
United States
Healthcare
4265
LRCX
Lam Research Corp
-29.94%
$288.02B
$230.15
United States
Technology
4266
DFDV
DeFi Development Corp.
-30.07%
$122.49M
$3.76
United States
Financial Services
4267
FLEX
Flex Ltd.
-30.28%
$28.33B
$76.69
United States
Technology
4268
UUUU
Energy Fuels Inc.
-30.28%
$2.04B
$7.69
United States
Energy
4269
STX
Seagate Technology Holdings plc
-30.38%
$146.02B
$642.14
Singapore
Technology
4270
BBOT
BridgeBio Oncology Therapeutics, Inc.
-30.49%
$228.50M
$2.85
United States
Healthcare
4271
LU
Lufax Holding Ltd.
-30.58%
$728.02M
$0.8400
China
Financial Services
4272
BTDR
Bitdeer Technologies Group
-30.60%
$1.98B
$7.28
Singapore
Technology
4273
VYGR
Voyager Therapeutics, Inc.
-30.60%
$114.61M
$1.86
United States
Healthcare
4274
OUST
Ouster, Inc.
-30.64%
$2.02B
$27.98
United States
Technology
4275
CRDL
Cardiol Therapeutics Inc.
-30.72%
$139.74M
$1.15
Canada
Healthcare
4276
SVCO
Silvaco Group, Inc.
-30.82%
$205.35M
$6.06
United States
Technology
4277
TKNO
Alpha Teknova, Inc.
-30.90%
$330.27M
$6.15
United States
Healthcare
4278
FAC
Factorial Energy Inc.
-30.91%
$468.76M
$4.38
United States
Industrials
4279
DOCN
DigitalOcean Holdings, Inc.
-31.03%
$10.82B
$92.00
United States
Technology
4280
TMS
Teamshares Inc.
-31.11%
$370.34M
$5.01
United States
Financial Services
4281
IESC
IES Holdings, Inc.
-31.25%
$9.36B
$220.75
United States
Industrials
4282
TMQ
Trilogy Metals Inc
-31.29%
$386.30M
$2.13
Canada
Basic Materials
4283
MOVE
Corvex, Inc.
-31.32%
$254.63M
$8.07
United States
Technology
4284
LGN
Legence Corp.
-31.33%
$2.83B
$36.86
United States
Industrials
4285
AAOI
Applied Optoelectronics, Inc.
-31.42%
$5.78B
$68.07
United States
Technology
4286
ANTX
AN2 Therapeutics, Inc.
-31.58%
$137.36M
$3.64
United States
Healthcare
4287
USAR
USA Rare Earth, Inc.
-31.61%
$3.62B
$9.63
United States
Basic Materials
4288
VNET
VNET Group, Inc.
-31.71%
$1.08B
$3.79
China
Technology
4289
ACCV
Accelevation Holdings Corp.
-31.75%
$1.47B
$12.25
United States
Industrials
4290
RZLV
Rezolve AI PLC
-31.80%
$616.97M
$1.48
United Kingdom
Technology
4291
SMR
NuScale Power Corporation
-31.90%
$2.21B
$5.38
United States
Industrials
4292
LPTH
Lightpath Technologies Inc
-31.91%
$491.65M
$7.02
United States
Technology
4293
COHU
Cohu Inc
-32.11%
$2.19B
$46.26
United States
Technology
4294
DUOT
Duos Technologies Group, Inc.
-32.24%
$188.52M
$5.99
United States
Technology
4295
OSS
One Stop Systems, Inc.
-32.30%
$147.43M
$5.91
United States
Technology
4296
RCAT
Red Cat Holdings, Inc.
-32.35%
$667.36M
$4.37
United States
Industrials
4297
SATL
Satellogic Inc.
-32.37%
$574.99M
$3.74
United States
Industrials
4298
FUN
Six Flags Entertainment Corporation
-32.40%
$740.77M
$7.24
United States
Consumer Cyclical
4299
FTH
Faeth Therapeutics, Inc.
-32.41%
$519.39M
$20.10
United States
Healthcare
4300
EROC
ERock, Inc.
-32.46%
$398.88M
$8.28
United States
Industrials
Top gain on this page -27.04% OKLO
Rows on this page 100 ranks 4201–4300
Page 43 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.

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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.

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.