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CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Aehr Test Systems stock logo
AEHR
Aehr Test Systems
$9.39
+1.5%
$8.39
$6.27
$21.44
$279.55M2.211.17 million shs603,456 shs
Nautilus Biotechnology, Inc. stock logo
NAUT
Nautilus Biotechnology
$0.88
-4.9%
$0.84
$0.66
$3.09
$111.21M1.41115,913 shs186,352 shs
Quantum-Si incorporated stock logo
QSI
Quantum-Si
$1.52
+4.1%
$1.26
$0.61
$5.77
$278.37M2.719.91 million shs9.23 million shs
Quanterix Co. stock logo
QTRX
Quanterix
$4.28
-7.8%
$6.05
$4.07
$19.18
$166.02M1.12561,673 shs1.41 million shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Aehr Test Systems stock logo
AEHR
Aehr Test Systems
+1.54%+12.94%+8.57%-9.58%-20.40%
Nautilus Biotechnology, Inc. stock logo
NAUT
Nautilus Biotechnology
+28.22%+38.79%+17.19%-42.06%-66.04%
Quantum-Si incorporated stock logo
QSI
Quantum-Si
-3.31%+22.69%+16.80%-25.51%-15.12%
Quanterix Co. stock logo
QTRX
Quanterix
-19.02%-13.27%-10.77%-40.59%-72.48%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
Aehr Test Systems stock logo
AEHR
Aehr Test Systems
3.9649 of 5 stars
3.52.00.00.03.42.53.1
Nautilus Biotechnology, Inc. stock logo
NAUT
Nautilus Biotechnology
2.6715 of 5 stars
3.02.00.00.02.94.20.6
Quantum-Si incorporated stock logo
QSI
Quantum-Si
2.2058 of 5 stars
3.32.00.00.02.02.50.6
Quanterix Co. stock logo
QTRX
Quanterix
2.1498 of 5 stars
3.33.00.00.01.91.70.6
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Aehr Test Systems stock logo
AEHR
Aehr Test Systems
3.00
Buy$25.00166.24% Upside
Nautilus Biotechnology, Inc. stock logo
NAUT
Nautilus Biotechnology
2.00
Hold$2.42174.12% Upside
Quantum-Si incorporated stock logo
QSI
Quantum-Si
2.67
Moderate Buy$3.48128.62% Upside
Quanterix Co. stock logo
QTRX
Quanterix
2.50
Moderate Buy$15.60264.49% Upside

Current Analyst Ratings Breakdown

Latest NAUT, QSI, AEHR, and QTRX Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
5/13/2025
Quanterix Co. stock logo
QTRX
Quanterix
Canaccord Genuity Group
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$15.00 ➝ $12.00
4/30/2025
Quanterix Co. stock logo
QTRX
Quanterix
Leerink Partnrs
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DowngradeStrong-Buy ➝ Hold
4/30/2025
Quanterix Co. stock logo
QTRX
Quanterix
Leerink Partners
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingOutperform ➝ Market Perform$12.00 ➝ $8.00
3/25/2025
Quanterix Co. stock logo
QTRX
Quanterix
Scotiabank
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Reiterated RatingOutperform ➝ Outperform
3/25/2025
Quanterix Co. stock logo
QTRX
Quanterix
Scotiabank
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetSector Outperform ➝ Sector Outperform$28.00 ➝ $18.00
3/18/2025
Quanterix Co. stock logo
QTRX
Quanterix
Canaccord Genuity Group
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$20.00 ➝ $15.00
3/5/2025
Quantum-Si incorporated stock logo
QSI
Quantum-Si
National Bankshares
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Set Price Target$3.65
3/5/2025
Quantum-Si incorporated stock logo
QSI
Quantum-Si
Alliance Global Partners
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Reiterated RatingBuy ➝ Buy
2/28/2025
Nautilus Biotechnology, Inc. stock logo
NAUT
Nautilus Biotechnology
Guggenheim
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Set Price Target$2.50
(Data available from 5/14/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Aehr Test Systems stock logo
AEHR
Aehr Test Systems
$61.48M4.55$0.98 per share9.54$3.86 per share2.43
Nautilus Biotechnology, Inc. stock logo
NAUT
Nautilus Biotechnology
N/AN/AN/AN/A$2.12 per shareN/A
Quantum-Si incorporated stock logo
QSI
Quantum-Si
$3.06M91.03N/AN/A$1.92 per share0.79
Quanterix Co. stock logo
QTRX
Quanterix
$135.44M1.23N/AN/A$9.25 per share0.46
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Aehr Test Systems stock logo
AEHR
Aehr Test Systems
$33.16M$0.7812.5242.68N/A43.41%21.09%18.08%7/15/2025 (Estimated)
Nautilus Biotechnology, Inc. stock logo
NAUT
Nautilus Biotechnology
-$63.67M-$0.54N/AN/AN/AN/A-28.85%-24.93%7/29/2025 (Estimated)
Quantum-Si incorporated stock logo
QSI
Quantum-Si
-$95.96M-$0.71N/AN/AN/A-3,968.84%-36.96%-33.57%5/15/2025 (Estimated)
Quanterix Co. stock logo
QTRX
Quanterix
-$28.35M-$1.03N/AN/AN/A-30.12%-11.74%-9.66%N/A

Latest NAUT, QSI, AEHR, and QTRX Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
5/15/2025Q1 2025
Quantum-Si incorporated stock logo
QSI
Quantum-Si
-$0.17N/AN/AN/A$0.96 millionN/A
5/12/2025Q1 2025
Quanterix Co. stock logo
QTRX
Quanterix
-$0.69-$0.53+$0.16-$0.53$28.27 million$30.33 million
4/29/2025Q1 2025
Nautilus Biotechnology, Inc. stock logo
NAUT
Nautilus Biotechnology
-$0.14-$0.13+$0.01-$0.13N/AN/A
3/17/2025Q4 2024
Quanterix Co. stock logo
QTRX
Quanterix
-$0.27-$0.30-$0.03-$0.30$34.93 million$35.16 million
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
Aehr Test Systems stock logo
AEHR
Aehr Test Systems
N/AN/AN/AN/AN/A
Nautilus Biotechnology, Inc. stock logo
NAUT
Nautilus Biotechnology
N/AN/AN/AN/AN/A
Quantum-Si incorporated stock logo
QSI
Quantum-Si
N/AN/AN/AN/AN/A
Quanterix Co. stock logo
QTRX
Quanterix
N/AN/AN/AN/AN/A
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
Aehr Test Systems stock logo
AEHR
Aehr Test Systems
N/A
7.55
3.82
Nautilus Biotechnology, Inc. stock logo
NAUT
Nautilus Biotechnology
N/A
16.65
16.65
Quantum-Si incorporated stock logo
QSI
Quantum-Si
N/A
13.42
13.15
Quanterix Co. stock logo
QTRX
Quanterix
N/A
10.07
9.16

Institutional Ownership

CompanyInstitutional Ownership
Aehr Test Systems stock logo
AEHR
Aehr Test Systems
69.69%
Nautilus Biotechnology, Inc. stock logo
NAUT
Nautilus Biotechnology
50.71%
Quantum-Si incorporated stock logo
QSI
Quantum-Si
39.90%
Quanterix Co. stock logo
QTRX
Quanterix
86.48%

Insider Ownership

CompanyInsider Ownership
Aehr Test Systems stock logo
AEHR
Aehr Test Systems
6.20%
Nautilus Biotechnology, Inc. stock logo
NAUT
Nautilus Biotechnology
40.50%
Quantum-Si incorporated stock logo
QSI
Quantum-Si
30.04%
Quanterix Co. stock logo
QTRX
Quanterix
6.90%
CompanyEmployeesShares OutstandingFree FloatOptionable
Aehr Test Systems stock logo
AEHR
Aehr Test Systems
9029.77 million27.87 millionOptionable
Nautilus Biotechnology, Inc. stock logo
NAUT
Nautilus Biotechnology
130126.15 million74.71 millionOptionable
Quantum-Si incorporated stock logo
QSI
Quantum-Si
150183.14 million99.84 millionOptionable
Quanterix Co. stock logo
QTRX
Quanterix
46038.79 million35.87 millionOptionable

Recent News About These Companies

Quanterix: Hard To Make A Good Diagnosis
Quanterix to Cut Headcount as Part of Cost Reduction Plan
3QTRX : Earnings Outlook For Quanterix

New MarketBeat Followers Over Time

Media Sentiment Over Time

Aehr Test Systems stock logo

Aehr Test Systems NASDAQ:AEHR

$9.39 +0.14 (+1.51%)
As of 04:00 PM Eastern

Aehr Test Systems provides test solutions for testing, burning-in, and semiconductor devices in wafer level, singulated die, and package part form, and installed systems worldwide. Its product portfolio includes FOX-XP and FOX-NP systems that are full wafer contact and singulated die/module test and burn-in systems that can test, burn-in, and stabilize range of devices, including silicon carbide-based and other power semiconductors, 2D and 3D sensors used in mobile phones, tablets and other computing devices, memory semiconductors, processors, microcontrollers, systems-on-a-chip, and photonics and integrated optical devices. The company also offers FOX-CP system, a low-cost single-wafer compact test solution for logic, memory, and photonic devices; FOX WaferPak Contactor, a full wafer contactor capable of testing wafers up to 300mm that enables integrated circuit manufacturers to perform test, burn-in, and stabilization of full wafers on the FOX-P systems. In addition, it provides FOX DiePak Carrier, a reusable temporary package that enables IC manufacturers to perform final test and burn-in of bare die and modules; and FOX DiePak Loader. The company was incorporated in 1977 and is headquartered in Fremont, California.

Nautilus Biotechnology stock logo

Nautilus Biotechnology NASDAQ:NAUT

$0.88 -0.05 (-4.90%)
As of 04:00 PM Eastern

Nautilus Biotechnology, Inc., a development stage life sciences company, engages in creating a platform technology for quantifying and unlocking the complexity of the proteome. The company develops Nautilus Platform, a proteomics platform that includes end-to-end solution comprised of instruments, consumables, and software analysis. It also offers proteome analysis system, a high-resolution optical imaging system for integrated fluidics and liquid handling sub-system. In addition, the company provides sample preparation, flow cells, multi-affinity probe reagents, and instrument buffers system to perform multi-cycle analysis runs. Nautilus Biotechnology, Inc. was incorporated in 2016 and is headquartered in Seattle, Washington.

Quantum-Si stock logo

Quantum-Si NASDAQ:QSI

$1.52 +0.06 (+4.11%)
As of 04:00 PM Eastern

Quantum-Si incorporated, a life sciences company, engages in the development of single-molecule detection platform to enable Next Generation Protein Sequencing (NGPS). The company's platform is comprised of the Platinum NGPS instrument; the Platinum Analysis Software service; and reagent kits and semiconductor chips for use with its instruments. It is used in protein identification, protein variants, antibody characterization, biomarker identification, and post translational modification analysis applications. The company was founded in 2013 is headquartered in Branford, Connecticut.

Quanterix stock logo

Quanterix NASDAQ:QTRX

$4.28 -0.36 (-7.76%)
As of 04:00 PM Eastern

Quanterix Corporation, a life sciences company, engages in development and marketing of digital immunoassay platforms that advances precision health for life sciences research and diagnostics in North America, Europe, the Middle East, Africa, and the Asia Pacific regions. The company offers HD-X instrument, a protein detection platform; and SR-X instrument that enables researchers to apply Simoa detection in an expanded range of applications. It also provides SP-X instrument that is based on Simoa planar array technology for the measurement of multiplex chemiluminescent immunoassays. The company's products include assays include all components required to run enzyme-based immunoassay, such as beads, capture and detector reagents, and enzyme reagents and substrate; and replacement parts, reagents, and antibodies. In addition, it offers contract research services, including sample testing, homebrew assay development, custom assay development, lucent diagnostic, and LDT testing services. The company primarily operates in the areas of neurology, oncology, cardiology, infectious diseases, and inflammation. It sells its products for the life science research sector primarily to laboratories associated with academic and governmental research institutions, as well as pharmaceutical, biotechnology, and contract research companies through a direct field sale, support organizations, and distributors or sales agents. The company was formerly known as Digital Genomics, Inc. and changed its name to Quanterix Corporation in August 2007. Quanterix Corporation was incorporated in 2007 and is headquartered in Billerica, Massachusetts.