Yorktown Management & Research Co Inc Top Holdings and 13F Report (2026) About Yorktown Management & Research Co IncInvestment ActivityYorktown Management & Research Co Inc has $119.55 million in total holdings as of March 31, 2026.Yorktown Management & Research Co Inc owns shares of 214 different stocks, but just 128 companies or ETFs make up 80% of its holdings.Approximately 13.80% of the portfolio was purchased this quarter.About 19.09% of the portfolio was sold this quarter.This quarter, Yorktown Management & Research Co Inc has purchased 219 new stocks and bought additional shares in 18 stocks.Yorktown Management & Research Co Inc sold shares of 15 stocks and completely divested from 41 stocks this quarter.Largest Holdings Comfort Systems USA $4,426,558IES $3,020,820iShares Convertible Bond ETF $2,341,170SPDR Bloomberg Convertible Securities ETF $2,104,960Fabrinet $1,981,776 Largest New Holdings this Quarter 697435105 - Palo Alto Networks $1,428,612 Holding55024U109 - Lumentum $790,605 Holding866966104 - Sunbelt Rentals Holdings, Inc. $533,738 Holding05465C100 - Axos Financial $510,540 Holding30049H102 - Evolv Technologies $438,625 Holding Largest Purchases this Quarter Palo Alto Networks 8,911 shares (about $1.43M)Lumentum 1,125 shares (about $790.61K)iShares iBoxx $ Investment Grade Corporate Bond ETF 6,000 shares (about $653.94K)Sunbelt Rentals Holdings, Inc. 8,200 shares (about $533.74K)Axos Financial 6,000 shares (about $510.54K) Largest Sales this Quarter LPL Financial 3,190 shares (about $959.65K)Kinsale Capital Group 1,300 shares (about $444.16K)iShares Convertible Bond ETF 4,000 shares (about $407.16K)Comfort Systems USA 290 shares (about $399.91K)SPDR Bloomberg Convertible Securities ETF 4,000 shares (about $366.08K) Sector Allocation Over TimeMap of 500 Largest Holdings ofYorktown Management & Research Co Inc Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorFIXComfort Systems USA$4,426,558$399,907 ▼-8.3%3,2103.7%ConstructionIESCIES$3,020,8200.0%6,3402.5%Computer and TechnologyICVTiShares Convertible Bond ETF$2,341,170$407,160 ▼-14.8%23,0002.0%ETFCWBSPDR Bloomberg Convertible Securities ETF$2,104,960$366,080 ▼-14.8%23,0001.8%ETFFNFabrinet$1,981,7760.0%3,8001.7%Computer and TechnologyVWOBVanguard Emerging Markets Government Bond ETF$1,970,700$197,070 ▼-9.1%30,0001.6%ETFNVMINova$1,641,578$251,882 ▲18.1%3,7801.4%Computer and TechnologyMLIMueller Industries$1,601,0600.0%14,4501.3%IndustrialsLQDiShares iBoxx $ Investment Grade Corporate Bond ETF$1,525,860$653,940 ▲75.0%14,0001.3%FinancePANWPalo Alto Networks$1,428,612$1,428,612 ▲New Holding8,9111.2%Computer and TechnologyFTAI Aviation Ltd.$1,421,0000.0%5,8001.2%SHSKLACKLA$1,310,4450.0%8901.1%Computer and TechnologyINSMInsmed$1,295,896$273,896 ▼-17.4%7,9251.1%MedicalSNEXStoneX Group$1,270,238$423,413 ▲50.0%15,7501.1%FinanceWCCWESCO International$1,244,9710.0%4,5501.0%Computer and TechnologyArista Networks, Inc.$1,203,2440.0%9,8001.0%COM SHSAXONAxon Enterprise$1,125,4290.0%2,6500.9%AerospaceRBCRBC Bearings$1,069,9460.0%1,9700.9%IndustrialsCAMTCamtek$1,068,851$280,479 ▲35.6%7,0500.9%Computer and TechnologyGFIGold Fields$1,032,8500.0%22,7500.9%Basic MaterialsPENPenumbra$985,1100.0%3,0000.8%MedicalWWDWoodward$984,2800.0%2,7500.8%AerospacePFFiShares Preferred and Income Securities ETF$970,240$242,560 ▼-20.0%32,0000.8%ETFBWXTBWX Technologies$961,1030.0%4,7000.8%AerospaceCWCurtiss-Wright$953,5680.0%1,4000.8%AerospaceRJFRaymond James Financial$933,8960.0%6,4500.8%FinanceFCFSFirstCash$930,6000.0%4,9500.8%Business ServicesMODModine Manufacturing$899,3470.0%4,1500.8%Auto/Tires/TrucksHWKNHawkins$883,200$92,160 ▲11.7%5,7500.7%Basic MaterialsPrimoris Services Corporation$879,6960.0%6,1500.7%COMCASYCasey's General Stores$873,4320.0%1,2000.7%Retail/WholesaleHASIHA Sustainable Infrastructure Capital$865,4630.0%23,5500.7%FinanceMEDPMedpace$864,3420.0%1,8000.7%MedicalIBKRInteractive Brokers Group$831,6680.0%12,4000.7%FinanceGHGuardant Health$817,475$304,821 ▲59.5%8,8500.7%MedicalUSLMUnited States Lime & Minerals$813,0470.0%6,2250.7%ConstructionHYGiShares iBoxx $ High Yield Corporate Bond ETF$795,600$159,120 ▲25.0%10,0000.7%ETFLITELumentum$790,605$790,605 ▲New Holding1,1250.7%Computer and TechnologyIBPInstalled Building Products$768,9350.0%2,9000.6%ConstructionCECOCECO Environmental$768,582$190,656 ▲33.0%12,9000.6%IndustrialsAPLDApplied Digital$720,5090.0%30,3500.6%FinanceMPWRMonolithic Power Systems$710,6780.0%6500.6%Computer and TechnologyMTZMasTec$707,8280.0%2,2000.6%ConstructionENSGThe Ensign Group$705,2500.0%3,5000.6%MedicalCelestica, Inc.$690,1160.0%2,4500.6%COMTPLTexas Pacific Land$683,3660.0%1,4400.6%EnergyPFGCPerformance Food Group$675,0010.0%7,8800.6%Retail/WholesaleKKRKKR & Co. Inc.$666,0000.0%7,2000.6%FinanceDGIIDigi International$660,3400.0%13,7000.6%Computer and TechnologyCNMCore & Main$657,0200.0%13,3000.5%IndustrialsSAIASaia$646,3550.0%1,8400.5%TransportationCIENCiena$640,5800.0%1,6500.5%Computer and TechnologyPAMPampa Energia$637,2000.0%7,2000.5%UtilitiesLPLALPL Financial$631,743$959,648 ▼-60.3%2,1000.5%FinanceITTITT$628,7490.0%3,3000.5%Multi-Sector ConglomeratesESEESCO Technologies$626,048$309,507 ▲97.8%2,2250.5%IndustrialsPARRPar Pacific$620,1360.0%9,9000.5%EnergyAPGAPi Group$613,8780.0%15,1500.5%Business ServicesZeta Global Holdings Corporation$610,5320.0%38,3500.5%CL AAXSMAxsome Therapeutics$608,472$321,138 ▲111.8%3,6000.5%MedicalRMBSRambus$602,2100.0%7,0000.5%Computer and TechnologyRSIRush Street Interactive$585,075$271,875 ▼-31.7%26,9000.5%Consumer DiscretionaryTMDXTransMedics Group$576,578$228,643 ▲65.7%5,8000.5%MedicalTYLTyler Technologies$564,9270.0%1,6500.5%Computer and TechnologyFELEFranklin Electric$553,0200.0%6,0000.5%IndustrialsHLIHoulihan Lokey$552,9370.0%3,8500.5%FinanceGMEDGlobus Medical$551,4240.0%6,4000.5%MedicalTDYTeledyne Technologies$544,5090.0%9000.5%AerospaceSFStifel Financial$543,312$181,104 ▲50.0%7,3500.5%FinanceSPXCSPX Technologies$539,8380.0%2,7000.5%Business ServicesDLODLocal$538,255$249,024 ▼-31.6%41,5000.5%Business ServicesSYBTStock Yards Bancorp$536,9490.0%8,1000.4%FinanceFRHCFreedom$536,0560.0%3,7000.4%FinanceSunbelt Rentals Holdings, Inc.$533,738$533,738 ▲New Holding8,2000.4%SHSROADConstruction Partners$533,3760.0%4,8000.4%ConstructionLADLithia Motors$524,4120.0%2,1000.4%Retail/WholesaleACMRACM Research$523,3550.0%13,3000.4%Computer and TechnologyBROSDutch Bros$521,7980.0%10,3000.4%Retail/WholesaleKRYSKrystal Biotech$516,6400.0%2,0000.4%MedicalAXAxos Financial$510,540$510,540 ▲New Holding6,0000.4%FinanceDYDycom Industries$500,0980.0%1,4760.4%ConstructionEXPEagle Materials$498,254$185,661 ▲59.4%2,6300.4%ConstructionRNGRingCentral$485,3300.0%13,0500.4%Computer and TechnologyFUTUFutu$478,6600.0%3,5000.4%Business ServicesDDOGDatadog$472,2000.0%4,0000.4%Computer and TechnologyPHMPulteGroup$470,4400.0%4,0000.4%ConstructionAZZAZZ$469,2380.0%3,7500.4%IndustrialsASRGrupo Aeroportuario del Sureste$467,2210.0%1,3900.4%TransportationBLDTopBuild$456,6900.0%1,3000.4%ConstructionSNXTD SYNNEX$455,5170.0%2,7000.4%Computer and TechnologyTGTXTG Therapeutics$455,114$101,321 ▲28.6%13,7000.4%MedicalNCR Atleos Corporation$453,2320.0%10,4000.4%COM SHSTRTootsie Roll Industries$453,216$13,200 ▲3.0%10,6090.4%Consumer StaplesXMTRXometry$451,2820.0%11,0500.4%IndustrialsCALXCalix$440,9100.0%9,0000.4%Computer and TechnologyEVLVEvolv Technologies$438,625$438,625 ▲New Holding72,5000.4%Computer and TechnologyIDCCInterDigital$437,9000.0%1,4500.4%Computer and TechnologyKGSKodiak Gas Services$437,4000.0%7,5000.4%EnergyZWSZurn Elkay Water Solutions Cor$437,1900.0%9,7500.4%Business ServicesRNRRenaissanceRe$430,9840.0%1,4500.4%FinanceShowing largest 100 holdings. View all holdings. More Institutional Buying and Selling Information SEC Filings and Trading Data SEC Filings 13F Filings Top 13F Buys Top 13F Sells 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. 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