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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
3501
MRCY
Mercury Systems Inc.
-8.96%
$4.60B
$75.56
United States
Industrials
3502
APP
Applovin Corporation
-9.00%
$88.78B
$264.28
United States
Communication Services
3503
IGR
CBRE Global Real Estate Income Fund
-9.01%
$541.28M
$10.70
United States
Financial Services
3504
VALE
Vale S.A.
-9.02%
$51.92B
$12.70
Brazil
Basic Materials
3505
POWI
Power Integrations Inc
-9.03%
$2.63B
$47.12
United States
Technology
3506
RTB
RTB Digital, Inc.
-9.03%
$116.58M
$8.06
United States
Technology
3507
CXW
CoreCivic, Inc.
-9.05%
$2.90B
$29.33
United States
Industrials
3508
IVR
Invesco Mortgage Capital Inc.
-9.06%
$601.68M
$5.52
United States
Real Estate
3509
ELDN
Eledon Pharmaceuticals, Inc.
-9.09%
$186.90M
$2.30
United States
Healthcare
3510
FOA
Finance of America Companies Inc.
-9.10%
$198.86M
$11.49
United States
Financial Services
3511
MSM
MSC Industrial Direct Co., Inc.
-9.13%
$7.42B
$112.43
United States
Industrials
3512
GNRC
GENERAC HOLDINGS INC
-9.15%
$11.11B
$188.02
United States
Industrials
3513
YB
Yuanbao Inc.
-9.16%
$520.71M
$11.41
China
Technology
3514
FLNG
FLEX LNG Ltd.
-9.17%
$1.51B
$27.94
Bermuda
Energy
3515
GOLD
Gold.com, Inc.
-9.18%
$1.12B
$38.66
United States
Financial Services
3516
AMBA
Ambarella, Inc.
-9.19%
$2.79B
$63.12
United States
Technology
3517
IEP
Icahn Enterprises L.P
-9.19%
$4.36B
$6.13
United States
Energy
3518
FLGT
Fulgent Genetics, Inc.
-9.22%
$550.03M
$19.99
United States
Healthcare
3519
INOD
Innodata Inc.
-9.23%
$2.05B
$59.69
United States
Technology
3520
DXCM
DexCom, Inc.
-9.24%
$29.55B
$78.32
United States
Healthcare
3521
PI
Impinj, Inc.
-9.25%
$4.97B
$162.70
United States
Technology
3522
CENX
Century Aluminum Co
-9.26%
$3.23B
$32.65
United States
Basic Materials
3523
NNBR
NN Inc
-9.26%
$312.17M
$3.33
United States
Industrials
3524
SLGL
Sol-Gel Technologies Ltd.
-9.28%
$220.63M
$65.72
Israel
Healthcare
3525
COIN
Coinbase Global, Inc.
-9.29%
$44.61B
$169.09
United States
Financial Services
3526
BCS
Barclays PLC
-9.31%
$73.36B
$22.01
United Kingdom
Financial Services
3527
FLR
Fluor Corporation
-9.31%
$5.81B
$43.42
United States
Industrials
3528
AU
AngloGold Ashanti plc
-9.32%
$43.09B
$85.19
United States
Basic Materials
3529
GRAL
GRAIL, Inc.
-9.32%
$5.68B
$127.06
United States
Healthcare
3530
PLAB
Photronics Inc
-9.36%
$1.65B
$27.90
United States
Technology
3531
SCCO
Southern Copper Corporation
-9.40%
$155.01B
$183.59
United States
Basic Materials
3532
ATEN
A10 NETWORKS INC
-9.41%
$1.78B
$24.56
United States
Technology
3533
REPL
Replimune Group, Inc.
-9.44%
$1.13B
$11.99
United States
Healthcare
3534
TECX
Tectonic Therapeutic, Inc.
-9.45%
$412.30M
$21.84
United States
Healthcare
3535
WVE
Wave Life Sciences Ltd.
-9.46%
$660.11M
$3.37
United States
Healthcare
3536
GFS
GlobalFoundries Inc.
-9.49%
$24.18B
$43.37
United States
Technology
3537
IQ
iQIYI, Inc.
-9.50%
$873.35M
$0.9050
China
Communication Services
3538
KOD
Kodiak Sciences Inc
-9.51%
$5.39B
$85.78
United States
Healthcare
3539
MDA
MDA Space Ltd.
-9.55%
$4.35B
$26.80
Canada
Industrials
3540
PDEX
Pro-Dex Inc New
-9.59%
$201.69M
$62.38
United States
Healthcare
3541
TSM
Taiwan Semiconductor Manufacturing
-9.61%
$2.14T
$431.89
Taiwan
Technology
3542
CRSP
CRISPR Therapeutics AG
-9.63%
$4.83B
$49.99
Switzerland
Healthcare
3543
TRVI
Trevi Therapeutics, Inc.
-9.64%
$1.84B
$12.77
United States
Healthcare
3544
DNLI
Denali Therapeutics Inc.
-9.72%
$2.98B
$18.66
United States
Healthcare
3545
CWH
Camping World Holdings, Inc.
-9.76%
$289.14M
$4.53
United States
Consumer Cyclical
3546
ORC
Orchid Island Capital, Inc.
-9.76%
$967.30M
$4.90
United States
Real Estate
3547
PAAS
Pan American Silver Corp.
-9.76%
$17.03B
$41.07
Canada
Basic Materials
3548
BVN
Compania de Minas Buenaventura S.A.
-9.78%
$7.24B
$28.49
Peru
Basic Materials
3549
BXBL
BOXABL, Inc.
-9.79%
$712.59M
$2.95
United States
Consumer Cyclical
3550
LBTYK
Liberty Global Ltd.
-9.79%
$2.74B
$10.42
Bermuda
Communication Services
3551
GASS
StealthGas, Inc.
-9.80%
$304.79M
$8.10
Greece
Industrials
3552
MT
ArcelorMittal
-9.83%
$45.25B
$60.18
Luxembourg
Basic Materials
3553
AVO
Mission Produce, Inc.
-9.84%
$1.04B
$11.82
United States
Consumer Defensive
3554
GGG
Graco Inc
-9.84%
$11.22B
$69.28
United States
Industrials
3555
SNDA
Sonida Senior Living, Inc.
-9.87%
$1.63B
$33.47
United States
Healthcare
3556
CNH
CNH INDUSTRIAL N.V.
-9.88%
$18.62B
$11.58
United Kingdom
Industrials
3557
LX
LexinFintech Holdings Ltd.
-9.88%
$107.00M
$0.6493
China
Financial Services
3558
ISOU
IsoEnergy Ltd.
-9.89%
$523.36M
$8.02
Canada
Energy
3559
SPPP
Sprott Physical Platinum and Palladium Trust
-9.90%
$512.82M
$12.53
—
—
3560
TLSA
Tiziana Life Sciences Ltd.
-9.91%
$127.26M
$1.01
United Kingdom
Healthcare
3561
EAF
GrafTech International Ltd.
-9.92%
$194.39M
$7.45
United States
Industrials
3562
ANNX
Annexon, Inc.
-9.93%
$722.30M
$3.81
United States
Healthcare
3563
CBIO
Crescent Biopharma, Inc.
-9.94%
$488.11M
$13.14
United States
Healthcare
3564
EVO
Evotec SE
-9.94%
$547.30M
$1.54
Germany
Healthcare
3565
CGNX
Cognex Corp
-9.98%
$9.19B
$54.60
United States
Technology
3566
WCC
Wesco International Inc.
-9.99%
$15.77B
$348.92
United States
Industrials
3567
MLI
Mueller Industries, Inc.
-10.03%
$12.06B
$54.53
United States
Industrials
3568
VERA
Vera Therapeutics, Inc.
-10.03%
$2.09B
$31.20
United States
Healthcare
3569
MDGL
Madrigal Pharmaceuticals, Inc.
-10.04%
$10.47B
$453.34
United States
Healthcare
3570
TATT
TAT Technologies Ltd
-10.05%
$409.70M
$32.42
United States
Industrials
3571
VSEC
VSE Corp
-10.05%
$4.16B
$153.67
United States
Industrials
3572
ARIS
Aris Mining Corporation
-10.06%
$3.23B
$15.65
Canada
Basic Materials
3573
IRWD
Ironwood Pharmaceuticals, Inc.
-10.08%
$589.91M
$3.57
United States
Healthcare
3574
AMBR
Amber International Holding Limited
-10.11%
$150.84M
$1.60
Singapore
Financial Services
3575
CRWD
CrowdStrike Holdings
-10.13%
$243.64B
$237.94
United States
Technology
3576
IONR
ioneer Ltd
-10.13%
$220.54M
$2.75
Australia
Basic Materials
3577
DCH
Dauch Corporation
-10.15%
$1.11B
$4.69
United States
Consumer Cyclical
3578
KN
KNOWLES CORPORATION
-10.15%
$2.85B
$33.38
United States
Technology
3579
PRIM
Primoris Services Corporation
-10.17%
$3.63B
$66.94
United States
Industrials
3580
BBVA
Banco Bilbao Vizcaya Argentaria, S.A.
-10.19%
$137.66B
$25.03
Spain
Financial Services
3581
APPS
Digital Turbine, Inc.
-10.23%
$1.21B
$9.97
United States
Technology
3582
BIDU
Baidu, Inc.
-10.23%
$26.55B
$77.98
China
Communication Services
3583
CLNE
Clean Energy Fuels Corp.
-10.26%
$308.62M
$1.40
United States
Energy
3584
CTMX
CytomX Therapeutics, Inc.
-10.29%
$531.67M
$2.44
United States
Healthcare
3585
ASLE
AerSale Corporation
-10.31%
$224.32M
$4.70
United States
Industrials
3586
BILI
Bilibili Inc.
-10.32%
$5.55B
$13.47
China
Communication Services
3587
SEVN
Seven Hills Realty Trust
-10.32%
$139.79M
$6.17
United States
Real Estate
3588
KTOS
Kratos Defense & Security Solutions, Inc.
-10.35%
$7.18B
$38.27
United States
Industrials
3589
MWH
SOLV Energy, Inc.
-10.37%
$4.36B
$21.53
United States
Utilities
3590
FWDI
Forward Industries, Inc.
-10.38%
$533.25M
$6.99
United States
Financial Services
3591
BKTI
BK Technologies Corporation
-10.42%
$251.53M
$66.73
United States
Technology
3592
MOG.A
Moog Inc.
-10.42%
$10.82B
$341.71
United States
Industrials
3593
TECK
Teck Resources Limited
-10.47%
$28.90B
$62.78
Canada
Basic Materials
3594
CYPH
Cypherpunk Technologies Inc.
-10.51%
$321.14M
$2.98
United States
Financial Services
3595
HUBG
HUB Group Inc
-10.51%
$1.62B
$26.47
United States
Industrials
3596
FUTU
Futu Holdings Limited
-10.52%
$13.87B
$98.92
Hong Kong
Financial Services
3597
META
Meta Platforms, Inc.
-10.53%
$1.65T
$648.85
United States
Communication Services
3598
SSMR
Sunshine Silver Mining & Refining Company
-10.53%
$1.89B
$13.28
United States
Basic Materials
3599
CLDX
Celldex Therapeutics, Inc
-10.61%
$2.28B
$28.97
United States
Healthcare
3600
KOP
Koppers Holdings, Inc.
-10.62%
$770.65M
$40.75
United States
Basic Materials
Top gain on this page -8.96% MRCY
Rows on this page 100 ranks 3501–3600
Page 36 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.