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Stocks to Compare Sections All Sections Selected Performance Chart Price & Volume MarketRank Analyst Ratings Sales & Book Value Profitability & Earnings Dividends Debt Ownership Miscellaneous Headlines About Compare NASDAQ:FEIM NASDAQ:QSI NASDAQ:SEER NYSE:SENS On This Page Performance ChartPrice & VolumeMarketRank™Analyst RatingsSales & Book ValueProfitability & EarningsDividendsDebtOwnershipMiscellaneousHeadlinesAbout Comparison Ideas Stock Ideas Comparative Price Performance Over Time1 day7 days30 days90 days365 daysCompare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeFEIMFrequency Electronics$27.43-2.1%$27.90$11.71▼$34.84$267.44M0.5192,564 shs400,179 shsQSIQuantum-Si$1.33+5.6%$1.39$0.61▼$5.77$269.31M2.8511.05 million shs7.16 million shsSEERSeer$2.09+2.5%$2.11$1.62▼$2.63$117.75M1.57217,193 shs102,659 shsSENSSenseonics$0.45-0.6%$0.49$0.25▼$1.40$365.87M0.937.93 million shs3.56 million shsElon Musk's Next MoveExplore Elon Musk’s boldest ventures yet—from AI and autonomy to space colonization—and find out how investors can ride the next wave of innovation.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceFEIMFrequency Electronics+3.21%-14.22%-9.00%+25.39%+121.17%QSIQuantum-Si+6.78%+18.87%+14.55%-25.00%+36.48%SEERSeer-0.49%+0.49%-1.45%+4.08%+20.71%SENSSenseonics-1.76%+1.87%-4.38%-9.55%+11.06%Compare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeFEIMFrequency Electronics$27.43-2.1%$27.90$11.71▼$34.84$267.44M0.5192,564 shs400,179 shsQSIQuantum-Si$1.33+5.6%$1.39$0.61▼$5.77$269.31M2.8511.05 million shs7.16 million shsSEERSeer$2.09+2.5%$2.11$1.62▼$2.63$117.75M1.57217,193 shs102,659 shsSENSSenseonics$0.45-0.6%$0.49$0.25▼$1.40$365.87M0.937.93 million shs3.56 million shsElon Musk's Next MoveExplore Elon Musk’s boldest ventures yet—from AI and autonomy to space colonization—and find out how investors can ride the next wave of innovation.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceFEIMFrequency Electronics+3.21%-14.22%-9.00%+25.39%+121.17%QSIQuantum-Si+6.78%+18.87%+14.55%-25.00%+36.48%SEERSeer-0.49%+0.49%-1.45%+4.08%+20.71%SENSSenseonics-1.76%+1.87%-4.38%-9.55%+11.06%Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceFEIMFrequency Electronics 0.00N/AN/AN/AQSIQuantum-Si 2.67Moderate Buy$3.48161.28% UpsideSEERSeer 0.00N/AN/AN/ASENSSenseonics 3.40Buy$1.54242.35% UpsideCurrent Analyst Ratings BreakdownLatest SEER, SENS, FEIM, and QSI Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails9/9/2025QSIQuantum-SiCanaccord Genuity GroupSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingHold$1.008/27/2025SENSSenseonicsBarclaysSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingInitiated CoverageOverweight$1.508/27/2025SENSSenseonicsBarclaysSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingInitiated CoverageOverweight$1.507/17/2025SENSSenseonicsLake Street CapitalSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingUpgradeStrong-Buy7/15/2025SENSSenseonicsTD CowenSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingInitiated CoverageBuy$1.257/8/2025SENSSenseonicsHC WainwrightSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingBuy$1.10 ➝ $1.40(Data available from 9/16/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookFEIMFrequency Electronics$69.81M3.83$2.70 per share10.15$5.75 per share4.77QSIQuantum-Si$3.06M88.01N/AN/A$1.29 per share1.03SEERSeer$15.97M7.37N/AN/A$5.54 per share0.38SENSSenseonics$25.47M14.37N/AN/A$0.07 per share6.42Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateFEIMFrequency Electronics$23.69M$2.2911.98∞N/A32.10%45.96%25.59%N/AQSIQuantum-Si-$101.01M-$0.68N/AN/AN/A-3,120.14%-44.57%-39.45%11/11/2025 (Estimated)SEERSeer-$86.60M-$1.39N/AN/AN/A-506.15%-25.10%-22.48%11/5/2025 (Estimated)SENSSenseonics-$60.39M-$0.10N/AN/AN/A-362.30%-842.25%-67.99%N/ALatest SEER, SENS, FEIM, and QSI EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails9/11/2025Q1 2026FEIMFrequency Electronics$0.36$0.07-$0.29$0.07$16.53 million$13.81 million8/6/2025Q2 2025SEERSeer-$0.39-$0.33+$0.06-$0.33$3.75 million$4.05 million8/5/2025Q2 2025QSIQuantum-Si-$0.16-$0.16N/A-$0.16$1.28 million$0.59 million7/10/2025Q4 2025FEIMFrequency ElectronicsN/A$0.34N/A$0.34N/A$19.99 millionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthFEIMFrequency ElectronicsN/AN/AN/AN/AN/AQSIQuantum-SiN/AN/AN/AN/AN/ASEERSeerN/AN/AN/AN/AN/ASENSSenseonicsN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioFEIMFrequency ElectronicsN/A2.261.26QSIQuantum-SiN/A9.439.27SEERSeerN/A19.1518.51SENSSenseonics59.172.472.38Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipFEIMFrequency Electronics58.60%QSIQuantum-Si39.90%SEERSeer75.20%SENSSenseonics12.36%Insider OwnershipCompanyInsider OwnershipFEIMFrequency Electronics28.00%QSIQuantum-Si22.95%SEERSeer11.28%SENSSenseonics3.60%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableFEIMFrequency Electronics2009.75 million7.02 millionNot OptionableQSIQuantum-Si150202.49 million156.02 millionOptionableSEERSeer16056.34 million49.98 millionOptionableSENSSenseonics90814.68 million573.90 millionN/ASEER, SENS, FEIM, and QSI HeadlinesRecent News About These CompaniesSenseonics to retake Eversense CGM commercial control from Ascensia Diabetes CareSeptember 6, 2025 | fiercebiotech.comFSenseonics Holdings, Inc. (SENS) Eversense 365 Commercial Update Call (Transcript)September 4, 2025 | seekingalpha.comFirst Light Asset Management LLC Has $3.06 Million Stake in Senseonics Holdings, Inc. $SENSSeptember 4, 2025 | marketbeat.comSenseonics signs MOU with Ascensia Diabetes CareSeptember 3, 2025 | msn.comSenseonics to take over commercial efforts for Eversense 365 from AscensiaSeptember 3, 2025 | drugdeliverybusiness.comDAscensia Diabetes Care Signs MOU to Transfer Eversense® CGM Distribution to Strategic Partner SenseonicsSeptember 3, 2025 | businesswire.comSenseonics Signs Memorandum of Understanding with Ascensia Diabetes Care to Take Over Commercialization and Distribution of Eversense 365September 3, 2025 | globenewswire.comSenseonics (NYSE:SENS) Upgraded by Barclays to Strong-Buy RatingAugust 31, 2025 | marketbeat.comSenseonics Holdings, Inc. (NYSE:SENS) Receives Consensus Recommendation of "Buy" from AnalystsAugust 29, 2025 | marketbeat.comHere's Why Senseonics (SENS) Is a Great 'Buy the Bottom' Stock NowAugust 21, 2025 | zacks.comSenseonics Holdings, Inc. (SENS) Q2 2025 Earnings Call TranscriptAugust 6, 2025 | seekingalpha.comSenseonics posts Street-beating Q2 with 37% sales growthAugust 6, 2025 | drugdeliverybusiness.comDSenseonics Holdings (SENS) Reports Q2 Loss, Tops Revenue EstimatesAugust 6, 2025 | zacks.comSenseonics Holdings, Inc. Reports Second Quarter Financial ResultsAugust 6, 2025 | globenewswire.comSenseonics Holdings, Inc. Schedules Second Quarter 2025 Earnings Release and Conference Call ...July 16, 2025 | gurufocus.comSenseonics Holdings, Inc. Schedules Second Quarter 2025 Earnings Release and Conference Call for August 6, 2025 at 4:30 P.M. Eastern TimeJuly 16, 2025 | globenewswire.comSequel Med Tech expects full twiist launch in the fallJuly 15, 2025 | drugdeliverybusiness.comDNew glucose sensors, insulin patch pumps lead ADA’s Scientific SessionsJuly 3, 2025 | medtechdive.comMADA takeaways: Diabetes tech firms preview new patch pumps, glucose sensorsJune 24, 2025 | medtechdive.comMSenseonics lays out hopes for next-gen CGM commercial timelinesJune 24, 2025 | drugdeliverybusiness.comDHere's Why Senseonics (SENS) is Poised for a Turnaround After Losing 5.7% in 4 WeeksJune 18, 2025 | zacks.comNew MarketBeat Followers Over TimeMedia Sentiment Over Time Top HeadlinesView All HeadlinesBuffett Makes Big Moves Outside of UNH: A Buy and Sell BreakdownBy Leo Miller | August 18, 20253 Robotics Stocks at the Heart of the Robotics RevolutionBy Chris Markoch | August 21, 2025NIO Just Got Its Second Upgrade of the Month, and It’s BigBy Sam Quirke | August 28, 2025Big Analyst Revisions Could Be Ahead for SoFi StockBy Gabriel Osorio-Mazilli | August 26, 2025Lululemon’s Sell-Off Looks Overdone: A Contrarian CaseBy Sam Quirke | September 16, 2025SEER, SENS, FEIM, and QSI Company DescriptionsFrequency Electronics NASDAQ:FEIM$27.43 -0.58 (-2.07%) Closing price 04:00 PM EasternExtended Trading$27.24 -0.19 (-0.69%) As of 04:39 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 Polygon.io. 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.Quantum-Si NASDAQ:QSI$1.33 +0.07 (+5.56%) Closing price 04:00 PM EasternExtended Trading$1.34 +0.00 (+0.38%) As of 04:48 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 Polygon.io. 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.Seer NASDAQ:SEER$2.09 +0.05 (+2.45%) Closing price 04:00 PM EasternExtended Trading$2.08 -0.01 (-0.48%) As of 04:10 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 Polygon.io. Learn more.Seer, Inc., a life sciences company, engages in developing and commercializing products to decode the biology of the proteome. It develops Proteograph Product Suite, an integrated solution that includes proprietary engineered nanoparticles, consumables, automation instrumentation, and software to perform proteomic analysis to provide a solution that can be incorporated by nearly any lab for research use only. The company intends to sell its products for research use only, which cover academic institutions, life sciences, and research laboratories, as well as biopharmaceutical and biotechnology companies for non-diagnostic and non-clinical purposes. It operates in China, Australia, Eastern Europe, Israel, and Japan. The company was formerly known as Seer Biosciences, Inc. and changed its name to Seer, Inc. in July 2018. Seer, Inc. was incorporated in 2017 and is headquartered in Redwood City, California.Senseonics NYSE:SENS$0.45 0.00 (-0.62%) Closing price 04:00 PM EasternExtended Trading$0.45 +0.00 (+0.65%) As of 04:48 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 Polygon.io. Learn more.Senseonics Holdings, Inc., a medical technology company, focuses on development and manufacturing of continuous glucose monitoring (CGM) systems for people with diabetes in the United States and internationally. The company's products include Eversense, Eversense XL, and Eversense E3 that are implantable CGM systems to measure glucose levels in people with diabetes through an under-the-skin sensor, a removable and rechargeable smart transmitter, and a convenient app for real-time diabetes monitoring and management. It serves healthcare providers and patients through a network of distributors and strategic fulfillment partners. Senseonics Holdings, Inc. was founded in 1996 and is headquartered in Germantown, Maryland. 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