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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 4,425 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 23, 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
AEVA
Aeva Technologies, Inc.
-27.56%
$708.91M
$10.17
United States
Technology
4202
TWST
Twist Bioscience Corporation
-27.59%
$9.28B
$139.92
United States
Healthcare
4203
INTC
Intel Corp
-27.67%
$459.68B
$86.96
United States
Technology
4204
PGEN
Precigen, Inc.
-27.69%
$2.22B
$6.19
United States
Healthcare
4205
STRL
Sterling Infrastructure, Inc.
-27.75%
$10.87B
$355.30
United States
Industrials
4206
ALAB
Astera Labs
-27.76%
$44.61B
$257.16
United States
Technology
4207
NVTS
Navitas Semiconductor Corporation
-27.82%
$2.20B
$8.38
United States
Technology
4208
CUE
Cue Biopharma, Inc.
-27.87%
$135.55M
$18.66
United States
Healthcare
4209
TKNO
Alpha Teknova, Inc.
-27.87%
$396.13M
$6.42
United States
Healthcare
4210
AESI
Atlas Energy Solutions Inc.
-27.89%
$1.08B
$8.66
United States
Energy
4211
PYXS
Pyxis Oncology, Inc.
-27.90%
$200.69M
$1.68
United States
Healthcare
4212
PSNYW
Polestar Automotive Holding UK PLC
-27.93%
$454.27M
$5.65
Sweden
Consumer Cyclical
4213
BLDP
Ballard Power Systems Inc.
-27.94%
$516.10M
$1.47
Canada
Industrials
4214
MOVE
Corvex, Inc.
-28.00%
$266.93M
$8.46
United States
Technology
4215
IMSR
Terrestrial Energy Inc.
-28.02%
$296.62M
$2.80
United States
Utilities
4216
CLS
Celestica, Inc.
-28.06%
$32.79B
$260.01
Canada
Technology
4217
BIOA
BioAge Labs, Inc.
-28.07%
$234.07M
$5.10
United States
Healthcare
4218
ARCT
Arcturus Therapeutics Holdings Inc.
-28.12%
$279.68M
$9.84
United States
Healthcare
4219
AIRO
AIRO Group Holdings, Inc.
-28.14%
$149.89M
$4.75
United States
Industrials
4220
OCGN
Ocugen, Inc.
-28.18%
$250.84M
$0.7397
United States
Healthcare
4221
RCUS
Arcus Biosciences, Inc.
-28.22%
$2.33B
$18.54
United States
Healthcare
4222
CURR
Currenc Group Inc.
-28.25%
$248.70M
$2.21
Singapore
Technology
4223
USAU
U.S. Gold Corp.
-28.26%
$176.20M
$10.66
United States
Basic Materials
4224
PDYN
Palladyne AI Corp.
-28.29%
$182.55M
$3.70
United States
Technology
4225
SABR
Sabre Corporation
-28.30%
$613.45M
$1.52
United States
Technology
4226
IRD
Opus Genetics, Inc.
-28.31%
$288.69M
$3.47
United States
Healthcare
4227
TRVG
trivago N.V.
-28.36%
$267.42M
$3.79
Germany
Communication Services
4228
QNC
Quantum eMotion Corp.
-28.38%
$232.58M
$1.06
Canada
Technology
4229
PURR
Hyperliquid Strategies Inc
-28.44%
$2.44B
$8.78
United States
Financial Services
4230
AVEX
AEVEX Corp.
-28.47%
$749.41M
$10.83
United States
Industrials
4231
TTRX
Turn Therapeutics Inc.
-28.56%
$312.18M
$10.28
United States
Healthcare
4232
IONQ
IonQ, Inc.
-28.70%
$12.67B
$31.27
United States
Technology
4233
ACRS
Aclaris Therapeutics, Inc.
-28.71%
$552.00M
$3.75
United States
Healthcare
4234
SNDX
Syndax Pharmaceuticals, Inc.
-28.72%
$1.20B
$13.40
United States
Healthcare
4235
GDS
GDS Holdings Limited
-28.77%
$4.46B
$22.25
China
Technology
4236
MOD
Modine Manufacturing Co
-28.77%
$7.09B
$133.34
United States
Consumer Cyclical
4237
TSSI
TSS, Inc.
-28.78%
$195.56M
$6.93
United States
Technology
4238
OKLO
Oklo Inc.
-28.82%
$4.90B
$26.35
United States
Utilities
4239
SNDK
Sandisk Corporation
-28.84%
$178.93B
$1,238.03
United States
Technology
4240
PSEC
Prospect Capital Corporation
-28.85%
$790.05M
$1.48
United States
Financial Services
4241
PLUG
Plug Power Inc.
-28.87%
$1.93B
$1.38
United States
Industrials
4242
HUT
Hut 8 Corp.
-28.89%
$7.55B
$61.23
United States
Financial Services
4243
BW
Babcock & Wilcox Enterprises, Inc.
-28.94%
$618.21M
$4.15
United States
Industrials
4244
BDSX
Biodesix, Inc.
-29.00%
$223.47M
$21.18
United States
Healthcare
4245
GSIT
GSI Technology
-29.11%
$148.35M
$3.86
United States
Technology
4246
HYLN
Hyliion Holdings Corp.
-29.26%
$526.86M
$2.95
United States
Consumer Cyclical
4247
LPTH
Lightpath Technologies Inc
-29.29%
$510.56M
$7.29
United States
Technology
4248
OCC
Optical Cable Corp.
-29.33%
$103.54M
$11.71
United States
Technology
4249
DJT
Trump Media & Technology Group Corp.
-29.36%
$1.78B
$6.40
United States
Communication Services
4250
SITM
SiTime
-29.42%
$13.79B
$460.22
United States
Technology
4251
IVVD
Invivyd, Inc.
-29.50%
$179.83M
$0.6134
United States
Healthcare
4252
CECO
CECO ENVIRONMENTAL CORP
-29.52%
$2.87B
$49.08
United States
Industrials
4253
USAS
Americas Gold and Silver Corporation
-29.59%
$1.04B
$3.07
Canada
Basic Materials
4254
COHU
Cohu Inc
-29.62%
$2.27B
$47.96
United States
Technology
4255
QBTS
D-Wave Quantum Inc.
-29.63%
$4.43B
$11.66
United States
Technology
4256
MXL
MaxLinear, Inc.
-29.73%
$5.76B
$63.46
United States
Technology
4257
FIX
Comfort Systems USA, Inc.
-29.82%
$40.86B
$1,160.86
United States
Industrials
4258
NN
NextNav Inc.
-29.90%
$1.70B
$10.08
United States
Technology
4259
LRCX
Lam Research Corp
-29.96%
$287.95B
$230.10
United States
Technology
4260
TH
Target Hospitality Corp.
-30.07%
$1.35B
$13.79
United States
Industrials
4261
DOCN
DigitalOcean Holdings, Inc.
-30.11%
$10.96B
$93.22
United States
Technology
4262
REA
Rare Earths Americas, Inc.
-30.13%
$144.61M
$7.05
United States
Basic Materials
4263
BE
Bloom Energy Corporation
-30.21%
$56.93B
$193.30
United States
Industrials
4264
RMIX
Suncrete, Inc.
-30.23%
$659.90M
$8.98
United States
Basic Materials
4265
ROMA
Roma Green Finance Limited
-30.23%
$357.39M
$6.00
Hong Kong
Industrials
4266
RFAI
RF Acquisition Corp II
-30.36%
$218.19M
$26.15
Singapore
Financial Services
4267
FLEX
Flex Ltd.
-30.40%
$28.28B
$76.55
United States
Technology
4268
UMAC
Unusual Machines, Inc.
-30.47%
$850.26M
$17.02
United States
Technology
4269
TRDA
Entrada Therapeutics, Inc.
-30.55%
$171.71M
$4.41
United States
Healthcare
4270
SATL
Satellogic Inc.
-30.74%
$588.82M
$3.83
United States
Industrials
4271
GLOO
Gloo Holdings, Inc.
-30.84%
$274.04M
$2.96
United States
Technology
4272
DFDV
DeFi Development Corp.
-31.01%
$120.86M
$3.71
United States
Financial Services
4273
ACCV
Accelevation Holdings Corp.
-31.03%
$2.76B
$12.38
United States
Industrials
4274
BTQ
BTQ Technologies Corp.
-31.03%
$294.16M
$2.00
Canada
Technology
4275
NERV
Minerva Neurosciences, Inc
-31.34%
$109.82M
$2.30
United States
Healthcare
4276
RCAT
Red Cat Holdings, Inc.
-31.42%
$676.52M
$4.43
United States
Industrials
4277
IDR
Idaho Strategic Resources, Inc.
-31.50%
$303.55M
$19.18
United States
Basic Materials
4278
SVCO
Silvaco Group, Inc.
-31.51%
$203.31M
$6.00
United States
Technology
4279
SION
Sionna Therapeutics, Inc.
-31.56%
$162.54M
$3.60
United States
Healthcare
4280
STX
Seagate Technology Holdings plc
-31.64%
$143.37B
$630.49
Singapore
Technology
4281
NKTX
Nkarta, Inc.
-31.68%
$128.21M
$1.79
United States
Healthcare
4282
MRAM
Everspin Technologies, Inc
-31.72%
$306.57M
$12.59
United States
Technology
4283
SPMC
Sound Point Meridian Capital, Inc.
-31.75%
$118.41M
$5.74
United States
Financial Services
4284
ARQQ
Arqit Quantum Inc.
-31.80%
$285.57M
$16.41
United Kingdom
Technology
4285
UUUU
Energy Fuels Inc.
-31.82%
$1.99B
$7.52
United States
Energy
4286
SMR
NuScale Power Corporation
-31.90%
$2.21B
$5.38
United States
Industrials
4287
AAOI
Applied Optoelectronics, Inc.
-31.99%
$5.73B
$67.51
United States
Technology
4288
GPCR
Structure Therapeutics Inc.
-32.24%
$1.51B
$21.19
United States
Healthcare
4289
RZLV
Rezolve AI PLC
-32.26%
$586.28M
$1.47
United Kingdom
Technology
4290
OSS
One Stop Systems, Inc.
-32.30%
$147.43M
$5.91
United States
Technology
4291
FCEL
FuelCell Energy Inc NEW (DE)
-32.34%
$888.29M
$11.11
United States
Industrials
4292
SLBT
SL Science Holding Limited
-32.35%
$644.87M
$1.15
Taiwan
Healthcare
4293
ASTS
AST SpaceMobile, Inc.
-32.40%
$15.48B
$39.79
United States
Technology
4294
AIBZ
Bitzero Holdings Inc.
-32.45%
$179.10M
$2.81
Canada
Technology
4295
CRDL
Cardiol Therapeutics Inc.
-32.53%
$136.09M
$1.12
Canada
Healthcare
4296
ATOM
Atomera Incorporated
-32.57%
$114.73M
$2.94
United States
Technology
4297
ALM
Almonty Industries Inc.
-32.71%
$2.55B
$8.86
United States
Basic Materials
4298
AXTI
AXT Inc
-32.72%
$3.42B
$52.08
United States
Technology
4299
LGN
Legence Corp.
-32.81%
$5.93B
$36.07
United States
Industrials
4300
BNR
Burning Rock Biotech Limited
-32.96%
$124.66M
$11.82
China
Healthcare
Top gain on this page -27.56% AEVA
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 +2,350.0% 2 AXTI +759.4% 3 MRNA +648.3% 4 MTC +599.5% 5 BUUU +565.4%
2026 YTD Top 5 Full List →
1 MGRT +1,465.9% 2 BUUU +739.6% 3 ANL +645.1% 4 MRNA +578.5% 5 SNDK +421.5%
October 2026 Top 5 Full List →
1 SAIQ +230.8% 2 NAUT +128.2% 3 BMBL +126.6% 4 GIBO +102.2% 5 XHG +98.4%
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.