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CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
$3.77
$4.21
$2.90
$6.18
$486.87M1.191.99 million shs18.26 million shs
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
$72.82
$62.51
$18.70
$80.00
$716.69M0.67161,957 shs176,494 shs
Syntec Optics Holdings, Inc. stock logo
OPTX
Syntec Optics
$12.11
$10.12
$1.18
$14.92
$487.79M-0.821.16 million shs950,548 shs
Quantum-Si Incorporated stock logo
QSI
Quantum-Si
$1.00
$0.99
$0.69
$3.10
$217.54M3.185.88 million shs6.34 million shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
0.00%-4.80%-4.80%-15.85%+22.80%
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
0.00%-3.27%+21.59%+80.34%+233.88%
Syntec Optics Holdings, Inc. stock logo
OPTX
Syntec Optics
0.00%-8.60%+10.69%+82.38%+838.76%
Quantum-Si Incorporated stock logo
QSI
Quantum-Si
0.00%+5.52%+0.91%+18.21%-42.91%
CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
$3.77
$4.21
$2.90
$6.18
$486.87M1.191.99 million shs18.26 million shs
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
$72.82
$62.51
$18.70
$80.00
$716.69M0.67161,957 shs176,494 shs
Syntec Optics Holdings, Inc. stock logo
OPTX
Syntec Optics
$12.11
$10.12
$1.18
$14.92
$487.79M-0.821.16 million shs950,548 shs
Quantum-Si Incorporated stock logo
QSI
Quantum-Si
$1.00
$0.99
$0.69
$3.10
$217.54M3.185.88 million shs6.34 million shs
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Discover the 10 Best High-Yield Dividend Stocks for 2026 and secure reliable income in uncertain markets. Download the report now to identify top dividend payers and avoid common yield traps.

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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
0.00%-4.80%-4.80%-15.85%+22.80%
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
0.00%-3.27%+21.59%+80.34%+233.88%
Syntec Optics Holdings, Inc. stock logo
OPTX
Syntec Optics
0.00%-8.60%+10.69%+82.38%+838.76%
Quantum-Si Incorporated stock logo
QSI
Quantum-Si
0.00%+5.52%+0.91%+18.21%-42.91%
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
2.33
Hold$5.6950.86% Upside
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
3.00
Buy$43.67-40.03% Downside
Syntec Optics Holdings, Inc. stock logo
OPTX
Syntec Optics
1.00
SellN/AN/A
Quantum-Si Incorporated stock logo
QSI
Quantum-Si
1.50
Reduce$1.000.10% Upside

Current Analyst Ratings Breakdown

Latest QSI, FEIM, OPTX, and CTKB Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
6/15/2026
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
Reiterated RatingHold (C+)
5/13/2026
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
Lower Price TargetOverweight$5.50 ➝ $4.75
5/12/2026
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
Lower Price TargetEqual Weight$6.00 ➝ $5.50
5/5/2026
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
UpgradeHoldStrong-Buy
3/27/2026
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
Reiterated RatingSell (D-)
3/27/2026
Quantum-Si Incorporated stock logo
QSI
Quantum-Si
Reiterated RatingSell (D-)
(Data available from 6/21/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
$201.49M2.42N/AN/A$2.67 per share1.41
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
$69.81M10.26$2.67 per share27.25$5.75 per share12.66
Syntec Optics Holdings, Inc. stock logo
OPTX
Syntec Optics
$28.08M17.37$0.02 per share534.81$0.26 per share46.58
Quantum-Si Incorporated stock logo
QSI
Quantum-Si
$2.44M89.16N/AN/A$1.02 per share0.98
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
-$66.54M-$0.57N/A377.00N/A-36.25%-10.07%-7.56%8/5/2026 (Estimated)
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
$23.69M$0.7597.09N/AN/A10.78%12.69%7.84%7/9/2026 (Estimated)
Syntec Optics Holdings, Inc. stock logo
OPTX
Syntec Optics
-$1.79M-$0.08N/AN/AN/A-10.95%-30.86%-12.35%N/A
Quantum-Si Incorporated stock logo
QSI
Quantum-Si
-$101.34M-$0.51N/AN/AN/A-5,605.88%-47.35%-42.66%8/4/2026 (Estimated)

Latest QSI, FEIM, OPTX, and CTKB Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
7/9/2026Q4 2026
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
$0.2650N/AN/AN/A$18.58 millionN/A
5/15/2026Q1 2026
Syntec Optics Holdings, Inc. stock logo
OPTX
Syntec Optics
N/A-$0.02N/A-$0.02N/A$6.51 million
5/7/2026Q1 2026
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
-$0.08-$0.15-$0.07-$0.15$44.23 million$44.14 million
5/7/2026Q1 2026
Quantum-Si Incorporated stock logo
QSI
Quantum-Si
-$0.12-$0.10+$0.02-$0.10$0.30 million$0.26 million
3/31/2026Q4 2025
Syntec Optics Holdings, Inc. stock logo
OPTX
Syntec Optics
N/A-$0.01N/A-$0.01N/A$7.51 million
CompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive Growth
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
N/AN/AN/AN/AN/A
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
N/AN/AN/AN/AN/A
Syntec Optics Holdings, Inc. stock logo
OPTX
Syntec Optics
N/AN/AN/AN/AN/A
Quantum-Si Incorporated stock logo
QSI
Quantum-Si
N/AN/AN/AN/AN/A
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
N/A
4.69
4.07
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
N/A
2.60
1.32
Syntec Optics Holdings, Inc. stock logo
OPTX
Syntec Optics
0.41
1.28
0.59
Quantum-Si Incorporated stock logo
QSI
Quantum-Si
N/A
12.60
12.40

Institutional Ownership

CompanyInstitutional Ownership
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
69.46%
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
58.60%
Syntec Optics Holdings, Inc. stock logo
OPTX
Syntec Optics
N/A
Quantum-Si Incorporated stock logo
QSI
Quantum-Si
39.90%

Insider Ownership

CompanyInsider Ownership
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
10.36%
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
28.00%
Syntec Optics Holdings, Inc. stock logo
OPTX
Syntec Optics
0.83%
Quantum-Si Incorporated stock logo
QSI
Quantum-Si
22.04%
CompanyEmployeesShares OutstandingFree FloatOptionable
Cytek Biosciences, Inc. stock logo
CTKB
Cytek Biosciences
500129.14 million115.76 millionOptionable
Frequency Electronics, Inc. stock logo
FEIM
Frequency Electronics
2009.84 million7.09 millionNot Optionable
Syntec Optics Holdings, Inc. stock logo
OPTX
Syntec Optics
340.28 million39.95 millionN/A
Quantum-Si Incorporated stock logo
QSI
Quantum-Si
150217.76 million169.77 millionOptionable

Recent News About These Companies

Quantum-Si (NASDAQ:QSI) Trading Down 2.7% - Here's Why

New MarketBeat Followers Over Time

Media Sentiment Over Time

Cytek Biosciences stock logo

Cytek Biosciences NASDAQ:CTKB

$3.77 0.00 (0.00%)
Closing price 06/18/2026 04:00 PM Eastern
Extended Trading
$3.77 0.00 (0.00%)
As of 06/18/2026 07:12 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Cytek Biosciences, Inc., a cell analysis solutions company, provides cell analysis tools that facilitates scientific advances in biomedical research and clinical applications. It offers aurora and northern lights systems, which are spectrum flow cytometers that delivers cell analysis by utilizing the fluorescence signatures from multiple lasers to distinguish fluorescent tags on single cells; and aurora cell sorter system that leverages full spectrum profiling technology to further broaden potential applications across cell analysis; aurora CS systems; amnis imagestream imaging flow cytometers; guava muse cell analyzers; guava easycyte flow cytometers; and orion reagent cocktail preparation systems. The company also provides reagents and kits, including cFluor reagents that are fluorochrome conjugated antibodies used to identify cells of interest for analysis on its instruments, as well as 25-color immunoprofiling assay that provides turnkey solutions for identifying major human immune subpopulations for TBNK cells, monocytes, dendritic cells, and basophils. In addition, it offers automated micro-sampling system and automated sample loader system, an automated loaders to integrate seamlessly into the aurora and northern lights systems; SpectroFlo software that provides intuitive workflow from quality control to data analysis for aurora and northern lights systems; and customer support tools. The company serves pharmaceutical and biopharma companies, academic research centers, and clinical research organizations. It distributes its products through direct sales force and support organizations in North America, Europe, China, and the Asia-Pacific regions; and through distributors or sales agents in European, Latin American, and the Middle Eastern countries. The company was formerly known as Cytoville, Inc. and changed its name to Cytek Biosciences, Inc. in August 2015. Cytek Biosciences, Inc. was founded in 1992 and is headquartered in Fremont, California.

Frequency Electronics stock logo

Frequency Electronics NASDAQ:FEIM

$72.82 0.00 (0.00%)
Closing price 06/18/2026 04:00 PM Eastern
Extended Trading
$72.78 -0.03 (-0.05%)
As of 06/18/2026 06:08 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Frequency Electronics, Inc., together with its subsidiaries, engages in designing, development, and manufacturing of precision time and frequency control products and components for microwave integrated circuit applications. It operates through two segments, FEI-NY and FEI-Zyfer. The FEI-NY segment offers precision time and frequency control products for communication satellites, terrestrial cellular telephone or other ground-based telecommunication stations; and other components and systems for the U.S. military; and provides design and technical support for satellite business. FEI-Zyfer segment offers global positioning system technologies to systems and subsystems for secure communications, both government and commercial, and other locator applications; and engages in sale and support of wireline telecommunications products, including US5G. It markets its products directly and through independent sales representative organizations located in the United States, Europe, and Asia. Frequency Electronics, Inc. was founded in 1961 and is headquartered in Mitchel Field, New York.

Syntec Optics stock logo

Syntec Optics NASDAQ:OPTX

$12.11 0.00 (0.00%)
Closing price 06/18/2026 04:00 PM Eastern
Extended Trading
$12.00 -0.11 (-0.91%)
As of 06/18/2026 07:58 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Syntec Optics Holdings, Inc. manufactures and supplies integrated optics for biomedical, defense and military, consumer, and other applications. It offers camera modules; tool design, design for manufacturing, optical and opto-mechanical design, and moldflow analysis; SPDT optics, such as freedom optics, microlens arrays, spheres and aspheres, diffractives, SPDT materials, and optical tooling; replicative molding, that includes polymer and glass molding, and molded production materials; thin film coating and coating curve materials; and precision machining and precision machining materials. The company also provides clean room assembly, such as opto mechanical, opto electronic, and integrated photonics; infrared optics, microlens arrays, software development, and optical metrology, and catalog optics services. In addition, it offers driverless cars, integrated photonics, robotics, sensors, VR and AR, machine vision, facial imagining, heads up display, finger print scanners, and laser scanners technology for consumers; night vision goggles, missile laser guides, biometrics, infrared and thermal imaging, ordnance optics, head mounted displays, 2D and 3D scanners, humvee lighting , laser targeting, protective domes and windows, and lidar technologies for defense and miliary; and medical diagnostic, microfluidics, surgical components and systems, and medical sensing technology for medical sectors. The company was founded in 1981 and is based in Rochester, New York.

Quantum-Si stock logo

Quantum-Si NASDAQ:QSI

$1.00 0.00 (0.00%)
Closing price 06/18/2026 04:00 PM Eastern
Extended Trading
$0.99 -0.01 (-0.60%)
As of 06/18/2026 07:54 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

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.