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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 4,288 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.

2026
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Data through October 5, 2026

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.

Swipe or scroll the table sideways for more columns.

Rank
Symbol
Company Name
Oct Gain
Market Cap
Price
Country
Sector
1
XRPN
Armada Acquisition Corp. II
+68.25%
$1.25B
$39.42
United States
Financial Services
2
XP
XP Inc.
+34.72%
$10.91B
$21.50
Cayman Islands
Financial Services
3
PCVX
Vaxcyte, Inc.
+34.55%
$8.40B
$56.48
United States
Healthcare
4
GOW
GOWell Energy Technology
+29.87%
$180.88M
$3.87
Singapore
Energy
5
NAUT
Nautilus Biotechnolgy, Inc.
+24.84%
$249.42M
$1.96
United States
Healthcare
6
NNBR
NN Inc
+24.24%
$372.44M
$4.51
United States
Industrials
7
NEOV
NeoVolta Inc.
+21.03%
$179.99M
$3.05
United States
Industrials
8
FEAM
5E Advanced Materials, Inc.
+20.12%
$161.59M
$3.88
United States
Basic Materials
9
SBS
COMPANHIA DE SANEAMENTO B SICO DO ESTADO DE SAO PAULO-SABESP
+19.54%
$18.92B
$5.38
Brazil
Utilities
10
BGM
BGM Group Ltd.
+19.44%
$124.73M
$9.34
China
Healthcare
11
MXL
MaxLinear, Inc.
+14.99%
$9.61B
$105.93
United States
Technology
12
ACB
Aurora Cannabis Inc.
+14.74%
$285.84M
$4.51
Canada
Healthcare
13
IMOS
ChipMOS TECHNOLOGIES INC
+14.61%
$2.90B
$83.30
Taiwan
Technology
14
IMC
IMC Rare Earths Ltd
+13.87%
$962.93M
$9.11
Brazil
Basic Materials
15
WOLF
Wolfspeed, Inc.
+13.19%
$1.87B
$35.28
United States
Technology
16
SYNA
Synaptics Inc
+12.86%
$4.81B
$121.10
United States
Technology
17
AHG
Akso Health Group
+12.75%
$985.21M
$1.15
China
Healthcare
18
OPTX
Syntec Optics Holdings, Inc.
+12.70%
$368.16M
$9.14
United States
Technology
19
WNC
Wabash National Corp.
+12.68%
$571.95M
$14.04
United States
Industrials
20
AZTA
Azenta, Inc.
+12.38%
$1.70B
$38.75
United States
Healthcare
21
INDP
Indaptus Therapeutics, Inc.
+12.26%
$317.12M
$2.38
United States
Healthcare
22
SILC
Silicom Ltd
+11.93%
$345.03M
$60.03
Israel
Technology
23
PENG
Penguin Solutions, Inc.
+11.60%
$3.14B
$61.36
United States
Technology
24
VSH
Vishay Intertechnology, Inc.
+11.41%
$5.86B
$38.18
United States
Technology
25
ABLV
Able View Global Inc.
+11.11%
$134.19M
$2.43
China
Consumer Cyclical
26
MYGN
Myriad Genetics Inc
+10.96%
$434.25M
$4.54
United States
Healthcare
27
IBRX
ImmunityBio, Inc.
+10.83%
$10.90B
$10.29
United States
Healthcare
28
PPC
Pilgrims Pride Corporation
+10.79%
$6.55B
$27.50
United States
Consumer Defensive
29
SVIA
Silvia, Inc.
+10.45%
$378.22M
$4.28
United States
Financial Services
30
VIRT
Virtu Financial, Inc.
+10.21%
$5.19B
$58.79
United States
Financial Services
31
CURV
Torrid Holdings Inc.
+10.13%
$249.30M
$2.50
United States
Consumer Cyclical
32
MEI
Methode Electronics
+9.94%
$561.05M
$15.74
United States
Technology
33
AZ
A2Z Cust2Mate Solutions Corp.
+9.75%
$272.52M
$6.19
Canada
Technology
34
EVGO
EVgo Inc.
+9.52%
$434.03M
$1.38
United States
Consumer Cyclical
35
MTRN
Materion Corporation
+9.48%
$6.50B
$312.16
United States
Basic Materials
36
RXO
RXO, Inc.
+9.46%
$3.86B
$23.38
United States
Industrials
37
TBCH
Turtle Beach Corporation
+9.38%
$250.56M
$13.99
United States
Technology
38
INIO
INNIO N.V.
+9.35%
$14.99B
$19.99
Germany
Industrials
39
RTB
RTB Digital, Inc.
+9.33%
$133.94M
$9.26
United States
Technology
40
QMCO
Quantum Corporation
+9.14%
$1.36B
$34.50
United States
Technology
41
SGML
Sigma Lithium Corporation
+9.06%
$1.02B
$9.09
Canada
Basic Materials
42
ADCT
ADC Therapeutics SA
+8.80%
$151.29M
$1.19
Switzerland
Healthcare
43
MSC
Studio City International Holdings Limited
+8.79%
$202.22M
$1.05
Hong Kong
Consumer Cyclical
44
ELMT
The Elmet Group Co.
+8.75%
$674.07M
$22.13
United States
Industrials
45
BOT
RoboStrategy, Inc.
+8.73%
$714.10M
$29.32
United States
Financial Services
46
TITN
Titan Machinery Inc.
+8.73%
$598.21M
$25.42
United States
Industrials
47
BSET
Bassett Furniture Industries I
+8.71%
$179.26M
$20.72
United States
Consumer Cyclical
48
AFYA
Afya Limited
+8.69%
$1.08B
$12.22
Brazil
Consumer Defensive
49
ALGM
Allegro MicroSystems, Inc.
+8.66%
$7.37B
$39.53
United States
Technology
50
OUST
Ouster, Inc.
+8.61%
$3.20B
$44.39
United States
Technology
51
PL
Planet Labs PBC
+8.43%
$6.37B
$17.50
United States
Industrials
52
BMHL
Bluemount Holdings Limited
+8.39%
$114.79M
$4.50
Hong Kong
Financial Services
53
QSI
Quantum-Si Incorporated
+8.39%
$339.27M
$1.55
United States
Healthcare
54
SES
SES AI Corporation
+8.38%
$328.48M
$0.8847
United States
Consumer Cyclical
55
TGB
Trekor Metals Limited
+8.36%
$3.28B
$8.95
Canada
Basic Materials
56
ACLS
Axcelis Technologies Inc
+8.09%
$4.45B
$144.17
United States
Technology
57
FPS
Forgent Power Solutions, Inc.
+8.09%
$12.87B
$40.35
United States
Industrials
58
GRAL
GRAIL, Inc.
+8.07%
$6.40B
$143.26
United States
Healthcare
59
AADX
Applied Aerospace & Defense, Inc.
+8.04%
$2.07B
$12.02
United States
Industrials
60
TER
Teradyne, Inc.
+8.00%
$70.20B
$449.04
United States
Technology
61
AP
Ampco-Pittsburgh Corp.
+7.90%
$200.39M
$9.70
United States
Industrials
62
VECO
Veeco Instruments Inc
+7.88%
$3.50B
$57.38
United States
Technology
63
PICS
PicS N.V.
+7.83%
$1.96B
$9.09
Brazil
Technology
64
CBRL
Cracker Barrel Old Country Store, Inc,.
+7.81%
$1.25B
$55.76
United States
Consumer Cyclical
65
ASPI
ASP Isotopes Inc.
+7.78%
$446.13M
$2.91
United States
Basic Materials
66
HYLN
Hyliion Holdings Corp.
+7.60%
$809.05M
$4.53
United States
Consumer Cyclical
67
QMLS
QumulusAI, Inc.
+7.58%
$218.48M
$6.53
United States
Technology
68
FISN
Deep Fission, Inc.
+7.53%
$328.11M
$5.57
United States
Industrials
69
JBS
JBS N.V.
+7.46%
$12.50B
$11.67
Netherlands
Consumer Defensive
70
SWRD
Stewards, Inc.
+7.46%
$552.78M
$2.45
United States
Financial Services
71
WW
WW International, Inc.
+7.43%
$147.38M
$14.74
United States
Healthcare
72
CAMT
Camtek Ltd
+7.41%
$7.71B
$165.19
Israel
Technology
73
MENS
Jyong Biotech Ltd.
+7.39%
$165.74M
$2.18
Taiwan
Healthcare
74
HPE
Hewlett Packard Enterprise Company
+7.36%
$92.03B
$69.33
United States
Technology
75
SPCX
SpaceX
+7.35%
$2.10T
$158.96
United States
Industrials
76
OIO
OIO Group
+7.34%
$661.24M
$1.90
Singapore
Industrials
77
IPX
IperionX Limited
+7.27%
$614.72M
$16.97
United States
Basic Materials
78
SEDG
SolarEdge Technologies, Inc.
+7.19%
$2.04B
$33.09
Israel
Technology
79
SUJA
Suja Life, Inc.
+7.18%
$374.66M
$9.70
United States
Consumer Defensive
80
ANGI
Angi Inc.
+7.17%
$245.37M
$6.05
United States
Communication Services
81
KRMN
Karman Holdings Inc.
+7.06%
$4.52B
$34.14
United States
Industrials
82
GPGI
GPGI, Inc.
+7.05%
$3.74B
$12.90
United States
Industrials
83
STM
STMicroelectronics N.V.
+7.03%
$51.07B
$57.26
Netherlands
Technology
84
OSG
Octave Specialty Group, Inc.
+6.98%
$207.24M
$4.60
United States
Financial Services
85
EP
Empire Petroleum Corporation
+6.97%
$108.58M
$2.61
United States
Energy
86
VELO
Velo3D, Inc.
+6.97%
$360.07M
$11.20
United States
Technology
87
LIF
Life360, Inc.
+6.95%
$3.51B
$43.10
United States
Technology
88
MPWR
Monolithic Power Systems, Inc.
+6.86%
$70.75B
$1439.73
United States
Technology
89
TSLA
Tesla, Inc.
+6.85%
$1.46T
$370.59
United States
Consumer Cyclical
90
ACCV
Accelevation Holdings Corp.
+6.84%
$3.82B
$17.16
United States
Industrials
91
ECHO
EchoStar Corporation
+6.80%
$27.41B
$94.25
United States
Communication Services
92
DDD
3D Systems Corporation
+6.78%
$628.04M
$3.78
United States
Technology
93
PACB
Pacific Biosciences of California, Inc.
+6.77%
$789.51M
$2.54
United States
Healthcare
94
CGEM
Cullinan Therapeutics, Inc.
+6.74%
$953.21M
$15.51
United States
Healthcare
95
QTRX
Quanterix Corporation
+6.74%
$172.15M
$3.64
United States
Healthcare
96
RXT
Rackspace Technology, Inc.
+6.74%
$1.05B
$4.12
United States
Technology
97
SOC
Sable Offshore Corp.
+6.69%
$673.46M
$3.51
United States
Energy
98
FUN
Six Flags Entertainment Corporation
+6.62%
$1.19B
$11.60
United States
Consumer Cyclical
99
MTSI
MACOM Technology Solutions Holdings, Inc
+6.62%
$24.56B
$321.60
United States
Technology
100
HOG
Harley-Davidson, Inc.
+6.56%
$2.55B
$24.55
United States
Consumer Cyclical
S&P 500 fund (SPY) +0.74%
Finished higher 59% of 4,288
Median move +0.4%
Leading sector Industrials +1.1% median
Lagging sector Communication Services 0.0% median

Over October 2026 so far, 59% of the 4,288 ranked companies finished higher and the median move was +0.4%; Industrials led on median (+1.1%) and Communication Services lagged (0.0%). The S&P 500 fund (SPY) moved +0.74% between its Oct 1, 2026 and Oct 2, 2026 closes. Each ranked company's gain runs from its own first close inside the period, so a company listed later in the period is measured over a shorter window.

Top gain on this page +68.25% XRPN
Rows on this page 100 ranks 1–100
Page 1 of 43
Period October 2026 running

Best performing large-cap stocks in October 2026

XP XP Inc. +34.72% $10.91B
SBS Companhia de Saneamento Bás... +19.54% $18.92B
IBRX ImmunityBio, Inc. +10.83% $10.90B
INIO Innio N.V. +9.35% $14.99B
FPS Forgent Power Solutions, Inc. +8.09% $12.87B

October 2026 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 October 2026. 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 XRPN leads with +68% October 2026

Among the 4,288 NYSE, Nasdaq and NYSE American stocks currently eligible for this ranking, XRPN (Armada Acquisition Corp. II) has the highest gain so far in October 2026 with +68%. Following are XP (+35%) and PCVX (+35%). Top performing sectors: Utilities (+20% avg, 1 in top 10), Financial Services (+19% avg, 2 in top 10), Energy (+15% avg, 1 in top 10).

MARKET LEADERS
52-WEEK LEADER
MGRT +2028%
Mega Fortune Company L..
2026 YTD LEADER
MGRT +1331%
Mega Fortune Company L..
OCT 2026 LEADER
XRPN +68%
Armada Acquisition Cor..
52-Week Top 5 Full List →
1 MGRT +2028.3% 2 AXTI +1490.2% 3 SNDK +1319.5% 4 ANL +762.3% 5 TXG +639.7%
2026 YTD Top 5 Full List →
1 MGRT +1330.7% 2 TJGC +1090.9% 3 ANL +993.5% 4 SNDK +524.9% 5 MRNA +515.7%
October 2026 Top 5 Full List →
1 XRPN +68.3% 2 GOW +29.9% 3 NAUT +24.8% 4 NNBR +24.2% 5 NEOV +21.0%
Quick Access: 52-Week 2026 YTD Oct 2026 Market Cap Dividends

This ranking shows the top performing stocks and biggest stock gainers during October 2026, 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.
What this ranking covers
Universe
US-listed companies on NYSE, Nasdaq and NYSE American.
Floors
Market cap of at least $100 million, and one close inside the month to measure from.
Measured on
Split-adjusted closes, from the first close inside the month to the last one in it.
Refreshed
Rebuilt once the session behind those closes has settled. The date above the table names that session, not the moment the table was written.

Frequently Asked Questions

Q Which stock has gained the most in October 2026?
A

XRPN (Armada Acquisition Corp. II) has the highest monthly gain in this ranking for October 2026, with a gain of 68%. Top performers this month include XRPN, XP, PCVX.

Q What stocks gained the most in October 2026?
A

The biggest gainers in October 2026 were: XRPN (+68%), XP (+35%), PCVX (+35%), GOW (+30%), NAUT (+25%). 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 October 2026. 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 October 2026. 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

4,288 companies with a market capitalization above $100 million traded on NYSE, Nasdaq and NYSE American, each with at least one trading day inside October 2026. 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 October 2026?
A

The five highest-gaining companies in October 2026 sit in Financial Services, Healthcare, Energy, with the leader XRPN in Financial Services. That describes the top of this list, not a sector ranking; the market-context strip above the table reports the median move of each sector's ranked companies.

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 closing price on its first trading day, both split-adjusted. A company whose trading history begins inside the month is measured from its first close.

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 October 2026. 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.