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Micro Cap Biotechnology
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
HYFT
101
MindWalk Holdings
HYFT
$67.2M
$67.2M $1.43 0.7%
BOLD
102
Boundless Bio
BOLD
$66.4M
$66.4M $2.92 0.68%
BSEM
103
BioStem Technologies
BSEM
$65.3M
$65.3M $3.66 3.94%
ELOX
104
Eloxx Pharmaceuticals
ELOX
$63.7M
$63.7M $18.53 3.94%
IMA
105
ImageneBio Inc
IMA
$61.6M
$61.6M $5.43 2.16%
INKT icon
106
MiNK Therapeutics
INKT
$60.2M
$60.2M $11.79 3.6%
XLO icon
107
Xilio Therapeutics
XLO
$59.6M
$59.6M $9.05 0.33%
HRTX icon
108
Heron Therapeutics
HRTX
$59.3M
$59.3M $0.3122 3.37%
IMMP
109
Immutep
IMMP
$56M
$56M $0.3800 0.5%
NTRB icon
110
Nutriband
NTRB
$54.7M
$54.7M $4.50 6.83%
GNTA
111
Genenta Science
GNTA
$54.5M
$54.5M $1.13 1.74%
ATYR
112
aTyr Pharma
ATYR
$54M
$54M $0.5510 3.33%
TIL icon
113
Instil Bio
TIL
$53.1M
$53.1M $7.83 3.03%
TCRX icon
114
TScan Therapeutics
TCRX
$52.7M
$52.7M $0.7774 2.05%
HYPD
115
Hyperion DeFi Inc
HYPD
$52.7M
$52.7M $3.39 0.59%
HOWL icon
116
Werewolf Therapeutics
HOWL
$48.1M
$48.1M $0.9888 11.1%
MCRB icon
117
Seres Therapeutics
MCRB
$47.8M
$47.8M $4.76 4.8%
VERU icon
118
Veru
VERU
$47.7M
$47.7M $2.80 3.32%
EDSA icon
119
Edesa Biotech
EDSA
$47.6M
$47.6M $4.94 11%
ALGS icon
120
Aligos Therapeutics
ALGS
$46.9M
$46.9M $7.51 0.54%
MGX icon
121
Metagenomi Therapeutics
MGX
$46.1M
$46.1M $1.22 0.83%
GRCE
122
Grace Therapeutics
GRCE
$45.2M
$45.2M $2.15 2.27%
FLNA
123
Filana Therapeutics
FLNA
$44.7M
$44.7M $0.9244 2.57%
KPTI icon
124
Karyopharm Therapeutics
KPTI
$44.5M
$44.5M $1.96 2.08%
MREO
125
Mereo BioPharma
MREO
$44.4M
$44.4M $0.2780 1.28%
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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 263 micro cap Biotechnology stocks — companies in the Biotechnology industry with a market cap under $250M — worth a combined $16.8B.

The largest by market cap are Innate Pharma (IPHA) at $241M, NervGen Pharma (NGEN) at $238M and Atrium Therapeutics (RNA) at $237M.

Among institutional investors, Tenax Therapeutics (TENX) drew the most net new fund positions in Q2 2026: 45 funds opened new positions, taking total fund holders up 31 (39%) quarter-over-quarter.

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