Best AI Microcap Stocks Under $400 Million

Explore microcap AI stocks, nano-cap innovators, and emerging tech companies on the front lines of artificial intelligence disruption.

Following is a hand-picked list of public companies trading under $400 million in market cap — each actively building or leveraging artificial intelligence in unique ways. These are the early-stage innovators and niche players often overlooked by Wall Street but ripe with potential.

We built this list to help retail investors discover AI companies before they're mainstream — and to spotlight the diverse, under-the-radar ways AI is transforming everything from defense to biotech to industrial automation.

We update this list regularly as we track the fast-moving microcap landscape. Prices and market caps are updated weekly.

If we are missing a company please let us know: contact@neuralcapital.ai

CompanyMarket Cap Price
Wellgistics Health, Inc.
WGRX • NASDAQ Capital Market
$8.67M
$3.52
ZenaTech, Inc.
ZENA • NASDAQ Capital Market
$40.39M
$0.6532
DIAGNOS Inc.
DGNOF • Other OTC
$29.48M
$0.2448
Arrive AI Inc.
ARAI • NASDAQ Global Market
$4.65M
$0.0890
OneMedNet Corporation
ONMD • NASDAQ Global Market
$24.29M
$4.17
Predictmedix AI Inc.
PMEDF • OTCQB
$4.60M
$0.0200
AI/ML Innovations Inc.
AIMLF • OTCQB
$4.73M
$0.0281
GBT Technologies Inc.
GTCH • OTCPink
$2.44M
$0.0001
Gecko Systems International Corp.
GOSY • OTCPink
$82.50K
$0.0001
VERSES AI Inc.
VRSSF • OTCQB
$3.51M
$0.2456
Nextech3D.AI Corp. (NexTech AR Solutions)
NEXCF • OTCQX
$8.99M
$0.0380
Plurilock Security Inc.
PLCKF • OTCQB
$13.39M
$0.1192
Treatment.Com International Inc.
TREIF • OTC
$36.62M
$0.4851
Predictive Oncology Inc.
POAI • NASDAQ
$3.57M
$4.91
Inuvo, Inc.
INUV • AMEX
$6.76M
$0.4103
Nerdy, Inc.
NRDY • NYSE
$50.06M
$5.89
Lantern Pharma Inc.
LTRN • NASDAQ
$7.95M
$0.5320
Avant Technologies Inc.
AVAI • OTC
$13.78M
$0.0895
Artificial Intelligence Technology Solutions Inc.
AITX • OTC
$172.81K
$0.0004
Perimeter Medical Imaging AI, Inc.
PYNKF • OTC
$18.15M
$0.1183
Eva Live, Inc.
GOAI • OTC
$24.31M
$0.6000
Tenet Fintech Group Inc.
PKKFF • OTC
$43.55M
$0.0872
Epazz, Inc.
EPAZ • OTC
$1.71M
$0.1069
Datametrex AI Limited
DTMXF • OTC
$466.81K
$0.0129
AnalytixInsight Inc.
ATIXF • OTC
$247.37K
$0.0020
mCloud Technologies Corp.
MCLDF • OTC
$232.00
$0.0000
Visium Technologies, Inc.
VISM • OTC
$969.75K
$0.0009
NowVertical Group Inc.
NOWVF • OTC
$10.22M
$0.1071
LZG International, Inc.
LZGI • OTC
$30.68K
$0.0002
Cognetivity Neurosciences Ltd.
CGNSF • OTC
$8.96K
$0.0001
infinitii ai inc.
CDTAF • OTC
$3.13M
$0.0224
VSBLTY Groupe Technologies Corp.
VSBGF • OTC
$4.53M
$0.0400
Reliq Health Technologies Inc.
RQHTF • OTC
$2.63M
$0.0100
FansUnite Entertainment Inc.
FUNFF • OTC
$71.91K
$0.0002
QuantGate Systems Inc.
QGSI • OTC
$1.71M
$0.0052
Resgreen Group International Inc.
RGGI • OTC
$48.75K
$0.0001
HUMBL, Inc.
HMBL • OTC
$9.34M
$0.0002
BlueRush Inc.
BTVRF • OTC
$78.82K
$0.0008
Rekor Systems, Inc.
REKR • NASDAQ
$44.32M
$0.3220
Lantronix, Inc.
LTRX • NASDAQ
$234.40M
$5.00
AudioEye, Inc.
AEYE • NASDAQ
$152.98M
$12.06
Knightscope, Inc.
KSCP • NASDAQ
$9.69M
$0.4152
Nauticus Robotics, Inc.
KITT • NASDAQ
$1.43M
$1.15
Guardforce AI Co., Limited
GFAI • NASDAQ
$5.49M
$0.1718
Veritone, Inc.
VERI • NASDAQ
$48.57M
$0.4779
LivePerson, Inc.
LPSN • NASDAQ
$38.25M
$3.10
Remark Holdings, Inc.
MARK • OTC
$6.19K
$0.0001
iCAD, Inc.
ICAD • NASDAQ
$106.31M
$3.87
Amesite Inc.
AMST • NASDAQ
$3.52M
$0.5374
BioXcel Therapeutics, Inc.
BTAI • NASDAQ
$2.28M
$0.0739
Hyperfine, Inc.
HYPR • NASDAQ
$62.37M
$0.6854
GSI Technology, Inc.
GSIT • NASDAQ
$122.98M
$3.20
QuickLogic Corporation
QUIK • NASDAQ
$134.45M
$7.34
One Stop Systems, Inc.
OSS • NASDAQ
$98.15M
$3.92
Duos Technologies Group, Inc.
DUOT • NASDAQ
$148.86M
$4.73
Arbe Robotics Ltd.
ARBE • NASDAQ
$52.58M
$0.4100
Foresight Autonomous Holdings Ltd.
FRSX • NASDAQ
$906.31K
$0.5800
SoundThinking, Inc.
SSTI • NASDAQ
$110.16M
$8.32
Spectral AI, Inc.
MDAI • NASDAQ
$44.42M
$1.38
Bullfrog AI Holdings, Inc. Common Stock
BFRG • NASDAQ
$9.14M
$0.4931
Presto Automation, Inc.
PRST • OTC
$31.80K
$0.0001
Stem, Inc.
STEM • NYSE
$20.99M
$2.18
AgEagle Aerial Systems, Inc.
UAVS • AMEX
$19.51M
$0.3101
BuzzFeed, Inc.
BZFD • NASDAQ
$49.07M
$0.5601
T Stamp Inc.
IDAI • NASDAQ
$12.39M
$2.18
ON24, Inc.
ONTF • NYSE
$348.25M
$8.10
Marpai, Inc.
MRAI • OTC
$74.32M
$2.77
Airship AI Holdings, Inc.
AISP • NASDAQ
$59.92M
$1.74
AEye, Inc.
LIDR • NASDAQ
$41.34M
$0.8857
WISeKey International Holding AG
WKEY • NASDAQ
$18.97M
$6.09
MicroAlgo Inc.
MLGO • NASDAQ
$25.17M
$2.30
iCoreConnect Inc.
ICCT • NASDAQ
$5.37K
$0.0011
Cerberus Cyber Sentinel Corporation
CISO • NASDAQ
$7.24M
$0.1588
Healwell AI Inc.
HWAIF • OTC
$137.17M
$0.4519
Palladyne AI Corp.
PDYN • NASDAQ
$133.46M
$2.71
Cerence Inc.
CRNC • NASDAQ
$363.20M
$8.03
Nixxy, Inc.
NIXX • OTC
$5.93M
$0.2050
Upland Software, Inc.
UPLD • OTC
$11.62M
$3.93
Jet.AI Inc.
JTAI • OTC
$3.18M
$0.8948
Carlsmed, Inc. Common Stock
CARL • OTC
$418.28M
$15.32
Ainos, Inc.
AIMD • OTC
$4.64M
$0.6281
Viant Technology Inc.
DSP • OTC
$841.21M
$12.65
Information Services Group, Inc.
III • OTC
$283.76M
$5.96
iQSTEL Inc.
IQST • OTC
$7.42M
$0.7701
Invitae Corporation
NVTA • OTC
$5.44M
$0.0190
Cloudastructure Inc.
CSAI • OTC
$1.59M
$1.79
Bridgeline Digital, Inc.
BLIN • OTC
$8.43M
$0.6688
Profound Medical Corp.
PROF • OTC
$251.34M
$6.88
Vuzix Corporation
VUZI • OTC
$154.48M
$1.83
Blaize Holdings, Inc.
BZAI • OTC
$28.87M
$0.1991
NextNRG Inc.
NXXT • OTC
$3.92M
$2.33
Yxt.Com Group Holding Ltd
YXT • OTC
$8.34M
$1.40
Soluna Holdings, Inc.
SLNH • OTC
$72.15M
$0.4574
VCI Global Limited
VCIG • OTC
$203.58K
$5.92
Currenc Group, Inc.
CURR • OTC
$208.84M
$1.86
YY Group Holding Limited
YYGH • OTC
$4.71M
$1.47
Alpha Modus Holdings, Inc.
AMOD • OTC
$4.55M
$0.9321
Micropolis Holding Company
MCRP • OTC
$11.96M
$0.3427
Datasea Inc.
DTSS • OTC
$5.64M
$0.5400
Datavault AI Inc.
DVLT • OTC
$50.65M
$0.0592
iBio, Inc.
IBIO • OTC
$46.95M
$0.7301
Safe Pro Group Inc. Common Stock
SPAI • OTC
$56.20M
$2.76
VisionWave Holdings, Inc.
VWAV • OTC
$5.23M
$1.61
Yiren Digital Ltd.
YRD • OTC
$31.51M
$0.3624
Rackspace Technology, Inc.
RXT • OTC
$606.60M
$2.38
Absci Corporation
ABSI • OTC
$1.61B
$9.39
CID HoldCo, Inc. Common Stock
DAIC • OTC
$2.43M
$1.04
ScanTech AI Systems Inc.
STAI • OTC
$37.56K
$0.0100
TSS, Inc.
TSSI • OTC
$167.90M
$5.95
Wearable Devices Ltd.
WLDS • OTC
$3.20M
$1.30
Cycurion, Inc. Common Stock
CYCU • OTC
$7.24M
$2.24
Aware, Inc.
AWRE • OTC
$21.00M
$0.9600
The Joint Corp.
JYNT • OTC
$104.24M
$7.37
Xiao-I Corporation
AIXI • OTC
$407.61K
$2.58
Sagtec Global Limited
SAGT • OTC
$18.38M
$0.8078
Mobile-health Network Solutions Class A Ordinary Shares
MNDR • OTC
$22.42K
$0.9114
Mobix Labs, Inc.
MOBX • OTC
$10.07M
$0.5607
Wishpond Technologies Ltd.
WPNDF • OTC
$3.11M
$0.0566
IBEX Technologies Inc.
IBXNF • OTC
$25.27M
$1.00
Primech Holdings Ltd. Ordinary Shares
PMEC • OTC
$10.09M
$0.2609
Mynd.ai, Inc.
MYND • OTC
$1.20M
$0.2540
Perfect Corp.
PERF • OTC
$202.68M
$1.99
Xtract One Technologies Inc.
XTRAF • OTC
$71.79M
$0.2760
eXoZymes, Inc.
EXOZ • OTC
$38.15M
$4.11
Robo.ai Inc.
AIIO • OTC
$7.91M
$0.4004
Kaltura, Inc.
KLTR • OTC
$225.78M
$1.48
RedCloud Holdings plc
RCT • OTC
$2.28M
$0.0300
MindWalk Holdings Corp.
HYFT • OTC
$47.11M
$1.00
SOPHiA GENETICS S.A.
SOPH • OTC
$563.55M
$6.62
Satellogic Inc.
SATL • OTC
$413.72M
$2.89
CXApp Inc.
CXAI • OTC
$2.78M
$1.19
8x8, Inc.
EGHT • OTC
$324.98M
$2.25
PERIMETER
 PYNKF • OTC
$18.15M
$0.1183
Rocket Doctor AI Inc.
AIRDF • OTC
$33.02M
$0.3261
Classover Holdings, Inc. Class B Common Stock
KIDZ • OTC
$971.58K
$1.13
MultiSensor AI Holdings, Inc.
MSAI • OTC
$6.17M
$3.05
AlphaTON Capital Corp.
ATON • OTC
$666.63K
$0.2926
Domo, Inc.
DOMO • OTC
$155.39M
$3.55
Nowigence, Inc.
NOWG • OTC
$95.91K
$0.0110
IGC Pharma, Inc.
IGC • OTC
$19.54M
$0.1890
KNOREX LTD.
KNRX • OTC
$3.67M
$0.1433
Gorilla Technology Group Inc.
GRRR • OTC
$159.42M
$6.43
Aeries Technology, Inc
AERT • OTC
$29.99M
$5.56
Sidus Space, Inc.
SIDU • OTC
$94.05M
$0.9300
BrainChip Holdings Ltd
BRCHF • OTC
$161.46M
$0.0712
Spectral Capital Corporation
FCCN • OTC
$137.43M
$1.43
Lunai Bioworks Inc.
LNAI • OTC
$829.68K
$0.1648
Healthcare Triangle, Inc.
HCTI • OTC
$2.69M
$3.59
Simulations Plus, Inc.
SLP • OTC
$374.16M
$18.50
Brand Engagement Network, Inc.
BNAI • OTC
$29.05M
$4.29