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Micro Cap Healthcare
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
SION
1
Sionna Therapeutics
SION
$250M
$250M $5.52 11.7%
NAGE
2
Niagen Bioscience
NAGE
$249M
$249M $3.15 0.63%
EBS icon
3
Emergent Biosolutions
EBS
$247M
$247M $4.82 1.43%
INFU icon
4
InfuSystem Holdings
INFU
$243M
$243M $12.20 0.08%
PROF
5
Profound Medical
PROF
$243M
$243M $6.65 6.07%
ACB
6
Aurora Cannabis
ACB
$241M
$241M $3.81 2.56%
DTIL icon
7
Precision BioSciences
DTIL
$241M
$241M $8.72 2.59%
IDNA icon
8
iShares Genomics Immunology and Healthcare ETF
IDNA
$240M
$240M $39.29 3.58%
ORGO icon
9
Organogenesis Holdings
ORGO
$237M
$237M $1.84 3.66%
STIM icon
10
Neuronetics
STIM
$235M
$235M $3.09 1.59%
ABOS icon
11
Acumen Pharmaceuticals
ABOS
$231M
$231M $3.19 1.27%
RNA
12
Atrium Therapeutics
RNA
$231M
$231M $13.48 1.68%
TARA icon
13
Protara Therapeutics
TARA
$230M
$230M $3.90 1.52%
NERV icon
14
Minerva Neurosciences
NERV
$229M
$229M $4.79 0%
SY
15
So-Young International
SY
$228M
$228M $2.27 5.02%
UTMD icon
16
Utah Medical Products
UTMD
$227M
$227M $71.42 0.97%
SBIO icon
17
ALPS Medical Breakthroughs ETF
SBIO
$226M
$226M $68.56 3.15%
GLSI icon
18
Greenwich LifeSciences
GLSI
$225M
$225M $15.31 11.7%
ZJYL
19
Jin Medical International
ZJYL
$223M
$223M $3.03 1.62%
NBP
20
NovaBridge Biosciences American Depositary Shares
NBP
$221M
$221M $1.91 3.54%
CRDL
21
Cardiol Therapeutics
CRDL
$221M
$221M $1.89 3.57%
IMUX icon
22
Immunic
IMUX
$220M
$220M $16.10 2.13%
ANTX icon
23
AN2 Therapeutics
ANTX
$218M
$218M $5.79 2.85%
SPOK icon
24
Spok Holdings
SPOK
$218M
$218M $10.44 0.38%
KROS icon
25
Keros Therapeutics
KROS
$217M
$217M $10.95 1.35%
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Micro Cap Healthcare Stocks at a Glance

Healthcare companies develop drugs, build medical devices, run hospitals and insurers, and supply the systems behind patient care. Demand is largely non-discretionary, but returns hinge on drug-pipeline outcomes, patent lives, and reimbursement policy — a mix of defensive services and high-risk, high-reward research bets.

There are 517 micro cap Healthcare stocks — companies in the Healthcare sector with a market cap under $250M — worth a combined $32.1B.

The largest by market cap are Sionna Therapeutics (SION) at $250M, Niagen Bioscience (NAGE) at $249M and Emergent Biosolutions (EBS) at $247M.

Among institutional investors, Hyperfine (HYPR) drew the most net new fund positions in Q2 2026: 39 funds opened new positions, taking total fund holders up 31 (62%) quarter-over-quarter.

  • Combined market cap: $32.1B across 517 stocks.
  • Micro Cap: market cap under $250M.
  • Largest constituent: Sionna Therapeutics (SION), $250M market cap.
  • Most net new fund positions in Q2 2026: Hyperfine (HYPR), +31 holders.

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