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Micro Cap
Medical Devices
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
PROF
1
Profound Medical
PROF
$249M
$249M $6.81 0.15%
STIM icon
2
Neuronetics
STIM
$227M
$227M $2.98 3.11%
LUCD icon
3
Lucid Diagnostics
LUCD
$193M
$193M $1.01 1%
QSI icon
4
Quantum-Si Incorporated
QSI
$185M
$185M $0.8473 10.1%
OWLT icon
5
Owlet
OWLT
$152M
$152M $5.20 2.36%
INGN icon
6
Inogen
INGN
$147M
$147M $5.54 0.73%
STXS icon
7
Stereotaxis
STXS
$141M
$141M $1.41 0.7%
MXCT icon
8
MaxCyte
MXCT
$139M
$139M $1.35 2.88%
QTRX icon
9
Quanterix
QTRX
$132M
$132M $2.79 0.36%
APYX icon
10
Apyx Medical
APYX
$131M
$131M $3.11 0.97%
LNSR icon
11
LENSAR
LNSR
$110M
$110M $8.94 3.14%
LUNG icon
12
Pulmonx
LUNG
$107M
$107M $2.50 9.65%
MBOT icon
13
Microbot Medical
MBOT
$101M
$101M $1.50 1.35%
HYPR icon
14
Hyperfine
HYPR
$92.2M
$92.2M $0.8698 1.58%
CVRX icon
15
CVRx
CVRX
$89.8M
$89.8M $3.37 6.98%
SERA icon
16
Sera Prognostics
SERA
$86M
$86M $2.18 0%
ECOR icon
17
electroCore
ECOR
$85.4M
$85.4M $9.47 1.87%
RPID icon
18
Rapid Micro Biosystems
RPID
$83.3M
$83.3M $1.66 0%
OM icon
19
Outset Medical
OM
$80.8M
$80.8M $4.30 2.63%
NRXS icon
20
Neuraxis
NRXS
$75.8M
$75.8M $6.04 0.49%
NNOX icon
21
Nano X Imaging
NNOX
$67.8M
$67.8M $0.8630 0.14%
COCH icon
22
Envoy Medical
COCH
$57.7M
$57.7M $0.7470 0.11%
SRTS icon
23
Sensus Healthcare
SRTS
$55.3M
$55.3M $3.36 3.72%
MDAI icon
24
Spectral AI
MDAI
$52.5M
$52.5M $1.63 1.87%
QTI
25
QT Imaging Holdings
QTI
$47.4M
$47.4M $3.24 2.11%
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Micro Cap Medical Devices Stocks at a Glance

Medical device companies develop surgical equipment, implants, pacemakers, imaging systems, and other therapeutic machines. Procedure volumes drive recurring demand, with regulatory approvals and surgeon adoption creating high switching costs and durable franchises around installed bases.

There are 63 micro cap Medical Devices stocks — companies in the Medical Devices industry with a market cap under $250M — worth a combined $3.46B.

The largest by market cap are Profound Medical (PROF) at $249M, Neuronetics (STIM) at $227M and Lucid Diagnostics (LUCD) at $193M.

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: $3.46B across 63 stocks.
  • Micro Cap: market cap under $250M.
  • Largest constituent: Profound Medical (PROF), $249M 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.