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Micro Cap Biotechnology
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
MNOV icon
101
MediciNova
MNOV
$79.2M
$79.2M $1.61 2.42%
NTHI
102
NeOnc Technologies
NTHI
$78.1M
$78.1M $2.71 9.36%
PDSB icon
103
PDS Biotechnology
PDSB
$76.8M
$76.8M $1.06 0.95%
ONCY
104
Oncolytics Biotech
ONCY
$76M
$76M $0.5958 0.37%
OKYO
105
OKYO Pharma
OKYO
$74M
$74M $1.41 3.42%
HRTX icon
106
Heron Therapeutics
HRTX
$73M
$73M $0.3843 15.9%
GANX icon
107
Gain Therapeutics
GANX
$72.9M
$72.9M $1.67 0%
TENX icon
108
Tenax Therapeutics
TENX
$71.5M
$71.5M $1.91 1.04%
VRCA icon
109
Verrica Pharmaceuticals
VRCA
$71.1M
$71.1M $4.14 1.66%
CING icon
110
Cingulate
CING
$70.8M
$70.8M $4.87 0.41%
HYFT
111
MindWalk Holdings
HYFT
$70.7M
$70.7M $1.50 3.23%
SPRO icon
112
Spero Therapeutics
SPRO
$68.1M
$68.1M $1.17 1.68%
RNTX
113
Rein Therapeutics
RNTX
$68M
$68M $0.7887 4.4%
FBIO icon
114
Fortress Biotech
FBIO
$68M
$68M $2.04 0.49%
CSBR icon
115
Champions Oncology
CSBR
$67.9M
$67.9M $4.88 2.59%
XBIT icon
116
XBiotech
XBIT
$66.8M
$66.8M $2.19 1.39%
CRBU icon
117
Caribou Biosciences
CRBU
$66.2M
$66.2M $0.6174 45.8%
IBIO icon
118
iBio
IBIO
$65M
$65M $1.01 3.81%
APLM icon
119
Apollomics
APLM
$62.7M
$62.7M $21.50 2.71%
GOSS icon
120
Gossamer Bio
GOSS
$62.3M
$62.3M $10.18 5.57%
RNXT icon
121
RenovoRx
RNXT
$61.8M
$61.8M $1.37 1.44%
PLRX icon
122
Pliant Therapeutics
PLRX
$61.3M
$61.3M $0.9900 3.88%
KLRS
123
Kalaris Therapeutics
KLRS
$60.9M
$60.9M $2.56 3.76%
ATHE
124
Alterity Therapeutics
ATHE
$60.5M
$60.5M $3.32 1.48%
BOLD
125
Boundless Bio
BOLD
$60.1M
$60.1M $2.64 2.72%
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Micro Cap Biotechnology Stocks at a Glance

Biotechnology companies research and develop novel drugs and therapies, often with no products yet on the market. Clinical-trial readouts and regulatory decisions drive binary stock moves, making pipeline breadth, cash runway, and partnership deals the key variables.

There are 288 micro cap Biotechnology stocks — companies in the Biotechnology industry with a market cap under $250M — worth a combined $20.1B.

The largest by market cap are Immuneering (IMRX) at $250M, Nautilus Biotechnolgy (NAUT) at $249M and Vicore Pharma Holding AB ADS (VCRE) at $244M.

Among institutional investors, Eledon Pharmaceuticals (ELDN) drew the most net new fund positions in Q2 2026: 51 funds opened new positions, taking total fund holders up 40 (33%) quarter-over-quarter.

Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.