Jonathan Siegmann Analyst PerformanceManaging Director Aerospace & Defense at Stifel NicolausJonathan Siegmann is a stock analyst at Stifel Nicolaus across a range of sectors, covering 16 publicly traded companies. Over the past year, Jonathan Siegmann has issued 48 stock ratings, including buy and hold recommendations. While full access to Jonathan Siegmann's proprietary MarketBeat Analyst Ranking is reserved for MarketBeat All Access subscribers, the rating is updated daily to reflect the most recent analyst activity. This profile highlights Jonathan Siegmann's coverage history, rating activity, and performance tendencies — helping individual investors make more informed trading decisions. Analyst Rankings, Coverage, and Performance StatisticsAnalyst RankingSubscribe to MarketBeat All Access for the analyst's recommendation accuracy rating MarketBeatAverage Return00.00% 12-Month ROISuccess Rate00.00% Profitable RatingsTotal Ratings48 Last 0 YearsBuy Recommendations82.22% 37 Buy RatingsCompanies Covered16 Unique Companies Ratings Distribution45RatingsDistribution of strong buy, buy, hold, and sell ratings by Jonathan Siegmann.RatingPercentageCount Strong Buy0.0%0 ratings Buy82.2%37 ratings Hold17.8%8 ratings Sell0.0%0 ratingsOut of 45 total stock ratings issued by Jonathan Siegmann at Stifel Nicolaus, the majority (82.2%) have been Buy recommendations, followed by 17.8% Hold.Best & Worst CallsThis analyst does not have any ratings with enough history to determine best and worst calls.Exchange CoverageExchangePercentageCountNYSE50.0% of companies on NYSE8 companiesNASDAQ50.0% of companies on NASDAQ8 companiesJonathan Siegmann, an analyst at Stifel Nicolaus, currently covers 16 companies listed on NYSE and NASDAQ, with the majority traded on NYSE.Coverage FocusSector IconSectorPercentageAerospace7 companies43.8%Computer and Technology5 companies31.3%Business Services3 companies18.8%Construction1 company6.3%Jonathan Siegmann of Stifel Nicolaus specializes in stock coverage within the Aerospace sector, with additional focus on Computer and Technology and Business Services companies.Coverage IndustriesIndustryPercentageAEROSP/DEF EQ6 companies37.5%IT SERVICES2 companies12.5%TECHNOLOGY SERVICES2 companies12.5%AEROSP/DEFENSE1 company6.3%ENGINRG/R&D SVS1 company6.3%CONSULTING1 company6.3%COMP - SERVICES1 company6.3%COMM NETWORK SOFTWARE1 company6.3%ELEC PRODS - MISC1 company6.3% About Jonathan SiegmannJonathan Siegmann joined Stifel in 2025 and serves as a Managing Director covering the aerospace and defense industry. Most recently, he was engaged in the new space industry and served as Senior Vice President of Corporate Development at Terran Orbital Corporation, which was sold to Lockheed Martin in 2024. Before that, Jonathan spent nearly 15 years at Fidelity Investments as Portfolio Manager and Equity Research Analyst, covering public and private North American aerospace, defense, and new space companies. Jonathan received a BS from Rensselaer Polytechnic Institute and an MBA from New York University’s Stern School of Business and is a Chartered Financial Analyst® holder from the CFA Institute.Follow on LinkedIn Jonathan Siegmann's Ratings History at Stifel Nicolaus Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years 4 Years 5 Years All Time Timeframe Start Date End Date All Ratings Strong Buy Buy Hold Sell Rating Recommendation ROI is the percentage between the price on the Report Date to the price 12 months after the report date.Available with a MarketBeat All Access Subscription12-Month ROIUpgrade to All Access to use the All ROI Filter Export CompanyReport DateActionReport Date Price12-MonthPrice TargetRating12-MonthPrice & ROIDetailsTDGTransdigm Group5/6/2026Lower Price Target$1,233.19$1,525.00Buy$0.0000.00% ROILDOSLeidos5/6/2026Lower Price Target$131.10$193.00Hold$0.0000.00% ROIVVXV2X5/5/2026Boost Price Target$77.45$79.00Buy$0.0000.00% ROITDYTeledyne Technologies4/23/2026Boost Price Target$654.56$750.00Buy$0.0000.00% ROILUNRIntuitive Machines3/23/2026Boost Price Target$20.20$22.00Hold$0.0000.00% ROITATTTAT Technologies3/20/2026Boost Price Target$43.75$60.00Buy$0.0000.00% ROISAICScience Applications International3/17/2026Lower Price Target$93.01$120.00Buy$0.0000.00% ROIAVAVAeroVironment3/11/2026Lower Price Target$205.01$315.00Buy$0.0000.00% ROIVSECVSE3/2/2026Boost Price Target$225.70$260.00Buy$0.0000.00% ROILDOSLeidos2/18/2026Lower Price Target$162.18$205.00Hold$0.0000.00% ROI Get the Latest News and Ratings for Your StocksEnter your email address below to receive the latest headlines and analysts' recommendations for your stocks with our free daily email newsletter. BAHBooz Allen Hamilton1/26/2026Boost Price Target$102.25$115.00Hold$0.0000.00% ROICACICACI International1/22/2026Boost Price Target$653.34$765.00Buy$0.0000.00% ROITDYTeledyne Technologies1/22/2026Boost Price Target$622.92$720.00Buy$0.0000.00% ROIONDSOndas1/21/2026Boost Price Target$13.83$18.00Buy$0.0000.00% ROIKTOSKratos Defense & Security Solutions1/13/2026Boost Price Target$117.86$134.00Buy$0.0000.00% ROIONDSOndas1/12/2026Boost Price Target$14.04$17.00Buy$0.0000.00% ROILUNRIntuitive Machines1/9/2026Set Price Target$19.63$20.00Hold$0.0000.00% ROILDOSLeidos1/7/2026Reiterated Rating$196.67$220.00Hold$0.0000.00% ROIPSNParsons12/23/2025Lower Price Target$62.11$90.00Buy$0.0000.00% ROIHEIHeico12/22/2025Set Price Target$330.74$370.00Buy$0.0000.00% ROITATTTAT Technologies11/14/2025Boost Price Target$38.37$47.00Buy$0.0000.00% ROITDGTransdigm Group11/13/2025Lower Price Target$1,354.63$1,650.00Buy$0.0000.00% ROIVVXV2X11/4/2025Boost Price Target$58.87$65.00Buy$0.0000.00% ROILUNRIntuitive Machines11/3/2025Initiated Coverage$11.94$18.00Buy$0.0000.00% ROIBAHBooz Allen Hamilton10/24/2025Set Price Target$91.61$106.00$0.0000.00% ROICACICACI International10/23/2025Set Price Target$583.64$670.00$0.0000.00% ROITDYTeledyne Technologies10/23/2025Boost Price Target$539.24$645.00Buy$0.0000.00% ROIKOPNKopin10/17/2025Initiated Coverage$3.65$5.50Buy$0.0000.00% ROIKTOSKratos Defense & Security Solutions10/15/2025Boost Price Target$95.30$112.00Buy$0.0000.00% ROIAVAVAeroVironment10/2/2025Boost Price Target$346.08$389.00Buy$0.0000.00% ROISAICScience Applications International9/5/2025Lower Price Target$106.22$128.00Buy$0.0000.00% ROIHEIHeico8/26/2025Set Price Target$332.98$360.00$0.0000.00% ROICACICACI International8/8/2025Boost Price Target$495.49$600.00Buy$0.0000.00% ROIVVXV2X8/5/2025Set Price Target$48.82$63.00Buy$0.0000.00% ROIBAHBooz Allen Hamilton7/28/2025Boost Price Target$113.13$119.00Hold$0.0000.00% ROIKTOSKratos Defense & Security Solutions7/21/2025Boost Price Target$59.12$70.00Buy$0.0000.00% ROIKTOSKratos Defense & Security Solutions7/3/2025Set Price Target$44.53$54.00Buy$0.0000.00% ROIAVAVAeroVironment6/24/2025Initiated Coverage$191.23$240.00Buy$0.0000.00% ROIKTOSKratos Defense & Security Solutions6/24/2025Initiated Coverage$43.63$52.00Buy$0.0000.00% ROITDYTeledyne Technologies6/24/2025Initiated Coverage$491.11$626.00Buy$0.0000.00% ROIVVXV2X6/24/2025Initiated Coverage$45.75$55.00Buy$0.0000.00% ROITDGTransdigm Group6/24/2025Initiated Coverage$1,471.93$1,710.00Buy$0.0000.00% ROISAICScience Applications International6/24/2025Initiated Coverage$104.21$130.00Buy$0.0000.00% ROIPSNParsons6/24/2025Initiated Coverage$66.43$81.00Buy$0.0000.00% ROILDOSLeidos6/24/2025Set Price Target$150.79$178.00Buy$0.0000.00% ROIHEIHeico6/24/2025Set Price Target$319.64$352.00Buy$0.0000.00% ROICACICACI International6/24/2025Initiated Coverage$458.67$576.00Buy$0.0000.00% ROIBAHBooz Allen Hamilton6/24/2025Initiated Coverage$100.71$112.00Hold$0.0000.00% ROI Stock Forecasts and Research Tools Today's Analyst Ratings U.S. Ratings U.K. Ratings Canadian Ratings All Upgrades All Downgrades All Initiations All Price Target Changes Top-Rated Stocks Top Rated Stocks Top-Rated Dividend Stocks Top-Rated Small-Cap Stocks Top-Rated Tech Stocks Most-Upgraded Stocks Most-Downgraded Stocks Lowest-Rated Stocks More Ratings Tools Stock Ratings by Issuer Top-Rated Analysts Top-Rated Brokerages Stock Ratings Screener Free Ratings Newsletter Price Forecasts for Popular Stocks Alphabet (Google) Stock ForecastAmazon Stock ForecastApple Stock ForecastMeta (Facebook) Stock ForecastMicrosoft Stock ForecastNetflix Stock ForecastNvidia Stock ForecastTesla Stock Forecast Top Stock Recommendations by BrokerageWall Street ZenThe Goldman Sachs GroupBerenberg BankGuggenheimUBS GroupWells Fargo & CompanyMorgan StanleyRoyal Bank Of CanadaJefferies Financial GroupBTIG ResearchCanadian Imperial Bank of CommerceWeiss RatingsCitigroupBarclaysJPMorgan Chase & Co. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In Email Me a Login Link or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
