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
DIAGNOS Inc.
DGNOFOther OTC
$40.75M
$0.3384
OneMedNet Corporation
ONMDNASDAQ Global Market
$39.42M
$0.6922
Arrive AI Inc.
ARAINASDAQ Global Market
$12.28M
$0.2572
Wellgistics Health, Inc.
WGRXNASDAQ Capital Market
$8.67M
$3.52
ZenaTech, Inc.
ZENANASDAQ Capital Market
$95.54M
$1.54
Predictmedix AI Inc.
PMEDFOTCQB
$3.92M
$0.0179
AI/ML Innovations Inc.
AIMLFOTCQB
$4.85M
$0.0288
GBT Technologies Inc.
GTCHOTCPink
$1.11M
$0.0001
Gecko Systems International Corp.
GOSYOTCPink
$82.50K
$0.0001
VERSES AI Inc.
VRSSFOTCQB
$3.51M
$0.2456
Nextech3D.AI Corp. (NexTech AR Solutions)
NEXCFOTCQX
$15.78M
$0.0676
Plurilock Security Inc.
PLCKFOTCQB
$7.52M
$0.0944
Treatment.Com International Inc.
TREIFOTC
$36.62M
$0.4851
Predictive Oncology Inc.
POAINASDAQ
$3.57M
$4.91
Inuvo, Inc.
INUVAMEX
$9.89M
$0.6001
Nerdy, Inc.
NRDYNYSE
$71.82M
$8.81
Lantern Pharma Inc.
LTRNNASDAQ
$19.52M
$1.53
Avant Technologies Inc.
AVAIOTC
$20.72M
$0.1499
Artificial Intelligence Technology Solutions Inc.
AITXOTC
$1.43M
$0.0037
Perimeter Medical Imaging AI, Inc.
PYNKFOTC
$18.25M
$0.1963
Eva Live, Inc.
GOAIOTC
$67.96M
$1.86
Tenet Fintech Group Inc.
PKKFFOTC
$16.49M
$0.1460
Epazz, Inc.
EPAZOTC
$2.81M
$0.1752
Datametrex AI Limited
DTMXFOTC
$1.17M
$0.0323
AnalytixInsight Inc.
ATIXFOTC
$267.71K
$0.0022
mCloud Technologies Corp.
MCLDFOTC
$232.00
$0.0000
Visium Technologies, Inc.
VISMOTC
$754.25K
$0.0007
NowVertical Group Inc.
NOWVFOTC
$8.57M
$0.0898
LZG International, Inc.
LZGIOTC
$30.68K
$0.0002
Cognetivity Neurosciences Ltd.
CGNSFOTC
$8.96K
$0.0001
infinitii ai inc.
CDTAFOTC
$4.33M
$0.0310
VSBLTY Groupe Technologies Corp.
VSBGFOTC
$4.17M
$0.0800
Reliq Health Technologies Inc.
RQHTFOTC
$2.63M
$0.0100
FansUnite Entertainment Inc.
FUNFFOTC
$359.56K
$0.0010
QuantGate Systems Inc.
QGSIOTC
$3.03M
$0.0093
Resgreen Group International Inc.
RGGIOTC
$48.75K
$0.0001
HUMBL, Inc.
HMBLOTC
$9.34M
$0.0002
BlueRush Inc.
BTVRFOTC
$78.82K
$0.0008
Rekor Systems, Inc.
REKRNASDAQ
$62.52M
$0.4543
Lantronix, Inc.
LTRXNASDAQ
$279.92M
$6.28
AudioEye, Inc.
AEYENASDAQ
$91.20M
$7.30
Knightscope, Inc.
KSCPNASDAQ
$22.24M
$1.12
Nauticus Robotics, Inc.
KITTNASDAQ
$452.38K
$0.6345
Guardforce AI Co., Limited
GFAINASDAQ
$7.29M
$0.3323
Veritone, Inc.
VERINASDAQ
$114.32M
$1.23
LivePerson, Inc.
LPSNNASDAQ
$38.23M
$3.10
Remark Holdings, Inc.
MARKOTC
$37.14K
$0.0006
iCAD, Inc.
ICADNASDAQ
$106.31M
$3.87
Amesite Inc.
AMSTNASDAQ
$7.04M
$1.07
BioXcel Therapeutics, Inc.
BTAINASDAQ
$2.28M
$0.0739
Hyperfine, Inc.
HYPRNASDAQ
$63.47M
$0.7537
GSI Technology, Inc.
GSITNASDAQ
$213.68M
$5.57
QuickLogic Corporation
QUIKNASDAQ
$188.94M
$10.66
One Stop Systems, Inc.
OSSNASDAQ
$231.09M
$9.33
Duos Technologies Group, Inc.
DUOTNASDAQ
$262.19M
$8.88
Arbe Robotics Ltd.
ARBENASDAQ
$83.98M
$0.6847
Foresight Autonomous Holdings Ltd.
FRSXNASDAQ
$1.89M
$1.21
SoundThinking, Inc.
SSTINASDAQ
$70.86M
$5.47
Spectral AI, Inc.
MDAINASDAQ
$54.04M
$1.70
Bullfrog AI Holdings, Inc. Common Stock
BFRGNASDAQ
$8.96M
$0.4830
Presto Automation, Inc.
PRSTOTC
$31.80K
$0.0001
Stem, Inc.
STEMNYSE
$41.20M
$4.60
AgEagle Aerial Systems, Inc.
UAVSAMEX
$58.96M
$1.03
BuzzFeed, Inc.
BZFDNASDAQ
$43.72M
$1.13
T Stamp Inc.
IDAINASDAQ
$15.72M
$2.98
ON24, Inc.
ONTFNYSE
$348.25M
$8.10
Marpai, Inc.
MRAIOTC
$81.19M
$3.21
Airship AI Holdings, Inc.
AISPNASDAQ
$67.50M
$1.96
AEye, Inc.
LIDRNASDAQ
$56.50M
$1.22
WISeKey International Holding AG
WKEYNASDAQ
$37.54M
$6.03
MicroAlgo Inc.
MLGONASDAQ
$38.19M
$3.49
iCoreConnect Inc.
ICCTNASDAQ
$5.37K
$0.0011
Cerberus Cyber Sentinel Corporation
CISONASDAQ
$11.24M
$0.2481
Healwell AI Inc.
HWAIFOTC
$160.39M
$0.5300
Palladyne AI Corp.
PDYNNASDAQ
$271.42M
$5.75
Cerence Inc.
CRNCNASDAQ
$367.45M
$8.13
Nixxy, Inc.
NIXXOTC
$10.57M
$0.3691
Upland Software, Inc.
UPLDOTC
$10.89M
$3.71
Jet.AI Inc.
JTAIOTC
$917.83K
$1.42
Carlsmed, Inc. Common Stock
CARLOTC
$419.19M
$15.42
Ainos, Inc.
AIMDOTC
$10.31M
$1.40
Viant Technology Inc.
DSPOTC
$822.86M
$12.54
Information Services Group, Inc.
IIIOTC
$253.79M
$5.30
iQSTEL Inc.
IQSTOTC
$9.34M
$0.9694
Invitae Corporation
NVTAOTC
$5.44M
$0.0190
Cloudastructure Inc.
CSAIOTC
$2.30M
$3.32
Bridgeline Digital, Inc.
BLINOTC
$10.33M
$0.8201
Profound Medical Corp.
PROFOTC
$228.20M
$6.28
Vuzix Corporation
VUZIOTC
$233.26M
$2.81
Blaize Holdings, Inc.
BZAIOTC
$83.26M
$0.5851
NextNRG Inc.
NXXTOTC
$13.63M
$0.8702
Yxt.Com Group Holding Ltd
YXTOTC
$13.59M
$2.28
Soluna Holdings, Inc.
SLNHOTC
$205.07M
$1.30
VCI Global Limited
VCIGOTC
$996.58K
$1.61
Currenc Group, Inc.
CURROTC
$359.90M
$3.21
YY Group Holding Limited
YYGHOTC
$4.71M
$1.47
Alpha Modus Holdings, Inc.
AMODOTC
$9.80M
$2.01
Micropolis Holding Company
MCRPOTC
$29.72M
$0.8520
Datasea Inc.
DTSSOTC
$9.02M
$0.8632
Datavault AI Inc.
DVLTOTC
$140.14M
$0.1638
iBio, Inc.
IBIOOTC
$20.45M
$1.29
Safe Pro Group Inc. Common Stock
SPAIOTC
$94.12M
$4.57
VisionWave Holdings, Inc.
VWAVOTC
$7.99M
$0.3146
Yiren Digital Ltd.
YRDOTC
$86.07M
$0.9900
Rackspace Technology, Inc.
RXTOTC
$997.86M
$3.93
Absci Corporation
ABSIOTC
$1.64B
$9.70
CID HoldCo, Inc. Common Stock
DAICOTC
$4.89M
$4.04
ScanTech AI Systems Inc.
STAIOTC
$22.62K
$0.0110
TSS, Inc.
TSSIOTC
$251.54M
$8.96
Wearable Devices Ltd.
WLDSOTC
$156.19K
$1.56
Cycurion, Inc. Common Stock
CYCUOTC
$4.46M
$3.33
Aware, Inc.
AWREOTC
$24.69M
$1.14
The Joint Corp.
JYNTOTC
$118.87M
$8.34
Xiao-I Corporation
AIXIOTC
$143.52K
$1.90
Sagtec Global Limited
SAGTOTC
$11.32M
$0.6340
Mobile-health Network Solutions Class A Ordinary Shares
MNDROTC
$31.50K
$1.28
Mobix Labs, Inc.
MOBXOTC
$6.41M
$0.9700
Wishpond Technologies Ltd.
WPNDFOTC
$4.47M
$0.0814
IBEX Technologies Inc.
IBXNFOTC
$25.27M
$1.00
Primech Holdings Ltd. Ordinary Shares
PMECOTC
$24.02M
$0.6251
Mynd.ai, Inc.
MYNDOTC
$1.53M
$0.3300
Perfect Corp.
PERFOTC
$196.57M
$1.93
Xtract One Technologies Inc.
XTRAFOTC
$97.47M
$0.3750
eXoZymes, Inc.
EXOZOTC
$59.31M
$6.39
Robo.ai Inc.
AIIOOTC
$32.20M
$1.63
Kaltura, Inc.
KLTROTC
$203.01M
$1.35
RedCloud Holdings plc
RCTOTC
$13.50M
$0.1974
MindWalk Holdings Corp.
HYFTOTC
$70.95M
$1.51
SOPHiA GENETICS S.A.
SOPHOTC
$686.59M
$8.18
Satellogic Inc.
SATLOTC
$774.34M
$5.63
CXApp Inc.
CXAIOTC
$5.56M
$2.55
8x8, Inc.
EGHTOTC
$258.75M
$1.82
PERIMETER
 PYNKFOTC
$18.25M
$0.1963
Rocket Doctor AI Inc.
AIRDFOTC
$39.73M
$0.4100
Classover Holdings, Inc. Class B Common Stock
KIDZOTC
$1.06M
$3.05
MultiSensor AI Holdings, Inc.
MSAIOTC
$9.78M
$4.84
AlphaTON Capital Corp.
ATONOTC
$666.63K
$0.2926
Domo, Inc.
DOMOOTC
$161.33M
$3.69
Nowigence, Inc.
NOWGOTC
$10.81M
$1.24
IGC Pharma, Inc.
IGCOTC
$28.02M
$0.2799
KNOREX LTD.
KNRXOTC
$8.21M
$0.3202
Gorilla Technology Group Inc.
GRRROTC
$333.59M
$13.46
Aeries Technology, Inc
AERTOTC
$39.43M
$6.87
Sidus Space, Inc.
SIDUOTC
$213.87M
$2.13
BrainChip Holdings Ltd
BRCHFOTC
$182.87M
$0.0969
Spectral Capital Corporation
FCCNOTC
$481.46M
$5.00
Lunai Bioworks Inc.
LNAIOTC
$10.56M
$2.33
Healthcare Triangle, Inc.
HCTIOTC
$912.16K
$0.7895
Simulations Plus, Inc.
SLPOTC
$373.14M
$18.45
Brand Engagement Network, Inc.
BNAIOTC
$48.24M
$7.13