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13F-HR filed by Yorktown Management & Research Co Inc

Yorktown Management & Research Co Inc filed this 13F-HR for the quarter ended 2026-03-31, filed 2026-04-20, with 214 holding rows worth $119,547,022.

Accession
0001193125-26-162911
Filed
2026-04-20
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q1 2026

A holdings report, 214 entries on the cover page, a total value of $119,547,022 stated on the cover page (in dollars after the unit check, H1), rows summing to $119,547,022 with VALUE read as dollars as filed, 13F file number 028-12529. The quarter's positions are built on this report. The resolved quarter.

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
COMFORT SYS USA INC COM199908104Stock3,210$4,426,558dollars as filed
IES HOLDINGS INC44951W106COM6,340$3,020,820dollars as filed
ISHARES TR46435G102CONV BD ETF23,000$2,341,170dollars as filed
SPDR SER TR78464A359BBG CONV SEC ETF23,000$2,104,960dollars as filed
FABRINET SHSG3323L100Stock3,800$1,981,776dollars as filed
VANGUARD WHITEHALL FDS921946885COM30,000$1,970,700dollars as filed
NOVA LTD COMM7516K103Stock3,780$1,641,578dollars as filed
MUELLER INDS INC COM624756102Stock14,450$1,601,060dollars as filed
iShares iBoxx Inv Grade Corporate Bond ETF464287242SHS14,000$1,525,860dollars as filed
PALO ALTO NETWORKS INC697435105COM8,911$1,428,612dollars as filed
FTAI AVIATION LTD SHSG3730V105Stock5,800$1,421,000dollars as filed
KLA CORP482480100COM890$1,310,445dollars as filed
INSMED INC COM PAR $.01457669307Stock7,925$1,295,896dollars as filed
STONEX GROUP INC861896108COM15,750$1,270,238dollars as filed
WESCO INTL INC COM95082P105Stock4,550$1,244,971dollars as filed
ARISTA NETWORKS INC040413205COM9,800$1,203,244dollars as filed
AXONENTERPRISEINC05464C101STOK2,650$1,125,429dollars as filed
RBC BEARINGS INC COM75524B104Stock1,970$1,069,946dollars as filed
CAMTEK LTD ORDM20791105Stock7,050$1,068,851dollars as filed
GOLD FIELDS LTD SPONSORED ADR38059T106ADR22,750$1,032,850dollars as filed
PENUMBRA INC COM70975L107Stock3,000$985,110dollars as filed
WOODWARD INC COM980745103Stock2,750$984,280dollars as filed
ISHARES TR464288687COM32,000$970,240dollars as filed
BWX TECHNOLOGIES INC05605H100COM4,700$961,103dollars as filed
CURTISS WRIGHT CORP COM231561101Stock1,400$953,568dollars as filed
RAYMOND JAMES FINL INC COM754730109Stock6,450$933,896dollars as filed
FIRSTCASH HOLDINGS INC33768G107COM4,950$930,600dollars as filed
MODINE MFG CO COM607828100Stock4,150$899,347dollars as filed
HAWKINS INC420261109COM5,750$883,200dollars as filed
PRIMORIS SVCS CORP COM74164F103Stock6,150$879,696dollars as filed
CASEYS GEN STORES INC147528103COM1,200$873,432dollars as filed
HA SUSTAINABLE INFRA CAP INC41068X100COM23,550$865,463dollars as filed
MEDPACE HLDGS INC COM58506Q109Stock1,800$864,342dollars as filed
INTERACTIVE BROKERS GROUP INC COM CL A45841N107Stock12,400$831,668dollars as filed
GUARDANT HEALTH INC COM40131M109Stock8,850$817,475dollars as filed
UNITED STS LIME & MINERALS I911922102COM6,225$813,047dollars as filed
ISHARES TR464288513IBOXX HI YD ETF10,000$795,600dollars as filed
LUMENTUM HLDGS INC COM55024U109Stock1,125$790,605dollars as filed
INSTALLED BLDG PRODS INC45780R101COM2,900$768,935dollars as filed
CECO ENVIRONMENTAL CORP125141101COM12,900$768,582dollars as filed
APPLIED DIGITAL CORP COM NEW038169207Stock30,350$720,509dollars as filed
MONOLITHIC PWR SYS INC COM609839105Stock650$710,678dollars as filed
MASTEC INC COM576323109Stock2,200$707,828dollars as filed
ENSIGN GROUP INC29358P101COM3,500$705,250dollars as filed
CELESTICA INC COM15101Q207Stock2,450$690,116dollars as filed
TEXAS PACIFIC LAND CORPORATION COM88262P102Stock1,440$683,366dollars as filed
PERFORMANCE FOOD GROUP CO COM71377A103Stock7,880$675,001dollars as filed
KKR & CO INC48251W104COM7,200$666,000dollars as filed
DIGI INTL INC253798102COM13,700$660,340dollars as filed
CORE & MAIN INC CL A21874C102Stock13,300$657,020dollars as filed
SAIA INC78709Y105COM1,840$646,355dollars as filed
CIENA CORP COM NEW171779309Stock1,650$640,580dollars as filed
PAMPA ENERGIA SA697660207SPONS ADR LVL I7,200$637,200dollars as filed
LPL FINL HLDGS INC COM50212V100Stock2,100$631,743dollars as filed
ITT INC COM45073V108Stock3,300$628,749dollars as filed
ESCO TECHNOLOGIES INC296315104COM2,225$626,048dollars as filed
PAR PAC HOLDINGS INC69888T207COM NEW9,900$620,136dollars as filed
API GROUP CORP COM STK00187Y100Stock15,150$613,878dollars as filed
ZETA GLOBAL HOLDINGS CORP CL A98956A105Stock38,350$610,532dollars as filed
AXSOME THERAPEUTICS INC. COM05464T104Stock3,600$608,472dollars as filed
RAMBUS INC DEL COM750917106Stock7,000$602,210dollars as filed
RUSH STREET INTERACTIVE INC782011100COM26,900$585,075dollars as filed
TRANSMEDICS GROUP INC89377M109COM5,800$576,578dollars as filed
TYLER TECHNOLOGIES INC COM902252105Stock1,650$564,927dollars as filed
FRANKLIN ELEC INC COM353514102Stock6,000$553,020dollars as filed
HOULIHAN LOKEY INC CL A441593100Stock3,850$552,937dollars as filed
GLOBUS MED INC CL A379577208Stock6,400$551,424dollars as filed
TELEDYNE TECHNOLOGIES INC COM879360105Stock900$544,509dollars as filed
STIFEL FINL CORP860630102COM7,350$543,312dollars as filed
SPX TECHNOLOGIES INC78473E103COM2,700$539,838dollars as filed
DLOCAL LTDG29018101CLASS A COM41,500$538,255dollars as filed
STOCK YDS BANCORP INC861025104COM8,100$536,949dollars as filed
FREEDOM HOLDING CORP356390104COM3,700$536,056dollars as filed
SUNBELT RENTALS HOLDINGS INC SHS866966104Stock8,200$533,738dollars as filed
CONSTRUCTION PARTNERS INC21044C107COM CL A4,800$533,376dollars as filed
LITHIA MTRS INC COM536797103Stock2,100$524,412dollars as filed
ACM RESH INC COM CL A00108J109Stock13,300$523,355dollars as filed
DUTCH BROS INC26701L100CL A10,300$521,798dollars as filed
KRYSTAL BIOTECH INC COM501147102Stock2,000$516,640dollars as filed
AXOSFINLINC05465C100STOK6,000$510,540dollars as filed
DYCOM INDS INC COM267475101Stock1,476$500,098dollars as filed
EAGLE MATLS INC COM26969P108Stock2,630$498,254dollars as filed
RINGCENTRAL INC76680R206CL A13,050$485,330dollars as filed
FUTU HLDGS LTD SPON ADS CL A36118L106ADR3,500$478,660dollars as filed
DATADOGINCCLASSA23804L103STOK4,000$472,200dollars as filed
PULTE GROUP INC COM745867101Stock4,000$470,440dollars as filed
AZZ INC COM002474104Stock3,750$469,238dollars as filed
GRUPO AEROPORTUARIO DEL SURE40051E202SPON ADR SER B1,390$467,221dollars as filed
TOPBUILD COR COM89055F103Stock1,300$456,690dollars as filed
TD SYNNEX CORPORATION COM87162W100Stock2,700$455,517dollars as filed
TG THERAPEUTICS INC COM88322Q108Stock13,700$455,114dollars as filed
NCR ATLEOS CORPORATION63001N106COM SHS10,400$453,232dollars as filed
TOOTSIE ROLL INDS INC890516107COM10,609$453,216dollars as filed
XOMETRY INC98423F109CLASS A COM11,050$451,282dollars as filed
CALIX INC13100M509COM9,000$440,910dollars as filed
EVOLV TECHNOLOGIES HLDNGS IN30049H102COM CL A72,500$438,625dollars as filed
INTERDIGITAL INC COM45867G101Stock1,450$437,900dollars as filed
KODIAK GAS SVCS INC50012A108COM7,500$437,400dollars as filed
ZURN ELKAY WATER SOLNS CORP COM98983L108Stock9,750$437,190dollars as filed
RENAISSANCERE HLDGS LTD COMG7496G103Stock1,450$430,984dollars as filed
GRAHAM CORP384556106COM5,450$430,114dollars as filed
PATRIA INVESTMENTS LIMITEDG69451105COM CL A34,000$428,400dollars as filed
BALCHEM CORP057665200COM2,500$423,700dollars as filed
DIGITALOCEAN HLDGS INC COM25402D102Stock4,900$420,322dollars as filed
CHEFS WHSE INC163086101COM7,050$419,123dollars as filed
KADANT INC48282T104COM1,425$416,599dollars as filed
CLEAN HARBORS INC COM184496107Stock1,450$415,759dollars as filed
QUALYS INC COM74758T303Stock4,700$412,895dollars as filed
SYNCHRONYFINL87165B103STOK6,000$408,120dollars as filed
BLACKLINE, INC.09239B109COM11,000$407,000dollars as filed
FORTINET INC COM34959E109Stock4,950$404,514dollars as filed
PTC INC COM69370C100Stock2,800$398,972dollars as filed
HERC HLDGS INC COM42704L104Stock4,000$398,200dollars as filed
CLEARWATER ANALYTICS HLDGS I185123106CL A16,700$394,955dollars as filed
NAPCO SEC TECHNOLOGIES INC COM630402105Stock9,900$389,961dollars as filed
ROLLINS INC COM775711104Stock7,300$389,893dollars as filed
SEMRUSH HLDGS INC CL A COM81686C104Stock32,500$388,050dollars as filed
CAVCO INDS INC DEL149568107COM800$387,432dollars as filed
PAGSEGURO DIGITAL LTDG68707101COM CL A37,800$378,756dollars as filed
BOOT BARN HLDGS INC099406100COM2,550$373,218dollars as filed
SHARKNINJA INC COM SHSG8068L108Stock3,500$370,650dollars as filed
V2X INC92242T101COM5,400$369,900dollars as filed
EXLSERVICE HLDGS INC COM302081104Stock12,100$368,445dollars as filed
LIFE360 INC532206109COM9,000$367,380dollars as filed
CBRE GROUP INC CL A12504L109Stock2,700$365,742dollars as filed
AEROVIRONMENT INC COM008073108Stock1,994$365,002dollars as filed
ARGAN INC04010E109COM670$364,916dollars as filed
KORN FERRY COM NEW500643200Stock5,700$358,815dollars as filed
REDDIT INC CL A75734B100Stock2,650$356,823dollars as filed
TRANSPORTADORA DE GAS SUR893870204SPONSORED ADS B10,300$356,483dollars as filed
ALLEGRO MICROSYSTEMS INC01749D105COM11,300$356,289dollars as filed
LEONARDO DRS INC COM52661A108Stock7,900$351,708dollars as filed
HEICO CORP NEW COM422806109Stock1,280$350,976dollars as filed
CORPORACION AMER ARPTS S AL1995B107COM13,600$343,944dollars as filed
CSW INDUSTRIALS INC126402106COM1,300$338,754dollars as filed
CUSTOMERS BANCORP INC23204G100COM4,850$336,639dollars as filed
VSE CORP COM918284100Stock1,800$331,920dollars as filed
CACTUS INC127203107CL A6,950$329,222dollars as filed
HAMILTON LANE INC407497106CL A3,300$328,020dollars as filed
PIPER SANDLER COMPANIES724078209COM NEW4,240$324,572dollars as filed
BITMINE IMMERSION TECHS INC09175A206COM NEW16,400$324,392dollars as filed
IRENLTDFQ4982L109STOK9,450$323,946dollars as filed
OKTAINCCLASSA679295105STOK4,100$322,711dollars as filed
CHART INDS INC16115Q308COM1,550$320,463dollars as filed
THERMON GROUP HLDGS INC88362T103COM6,300$317,520dollars as filed
CYTOKINETICS INC23282W605COM NEW4,750$313,073dollars as filed
OLD NATL BANCORP IND680033107COM14,150$312,715dollars as filed
PDF SOLUTIONS INC693282105COMMON STOCK9,550$312,381dollars as filed
COPART INC COM217204106Stock9,400$312,080dollars as filed
ARGENX SE SPONSORED ADR04016X101ADR425$310,356dollars as filed
APPFOLIO INC03783C100COM CL A1,950$307,749dollars as filed
CLEAR SECURE INC18467V109COM CL A6,350$307,404dollars as filed
ENOVA INTL INC29357K103COM2,250$305,618dollars as filed
UNIVERSAL TECHNICAL INST INC913915104COM8,450$305,045dollars as filed
DAVE INC23834J201CLASS A COM NEW1,750$304,658dollars as filed
LAMB WESTON HLDGS INC513272104COM7,200$304,272dollars as filed
PAYLOCITY HLDG CORP COM70438V106Stock2,800$302,512dollars as filed
RADNET INC750491102COM5,350$299,012dollars as filed
SELECT WATER SOLUTIONS INC81617J301CL A COM19,450$297,585dollars as filed
NEUROCRINE BIOSCIENCES INC64125C109COM2,250$296,415dollars as filed
RAMACO RES INC75134P600COM CL A19,150$296,059dollars as filed
ONESTREAM INC68278B107CL A12,300$295,200dollars as filed
VEEVA SYS INC CL A COM922475108Stock1,650$289,839dollars as filed
HALOZYME THERAPEUTICS INC COM40637H109Stock4,450$287,604dollars as filed
HAMILTON INSURANCE GROUP LTDG42706104CL B9,600$286,368dollars as filed
NVENT ELEC PLC SHSG6700G107Stock2,400$283,872dollars as filed
SEACOAST BKG CORP FLA811707801COM NEW9,250$280,183dollars as filed
HCI GROUP INC40416E103COM1,800$278,298dollars as filed
DYNATRACE INC COM NEW268150109Stock7,450$275,501dollars as filed
PAYMENTUS HOLDINGS INC70439P108COM CL A10,800$274,320dollars as filed
INSULET CORP COM45784P101Stock1,300$272,792dollars as filed
TOASTINCCLASSCLASSA888787108STOK10,200$270,402dollars as filed
ITRON INC COM465741106Stock3,000$268,890dollars as filed
RYAN SPECIALTY HOLDINGS INC CL A78351F107Stock7,950$268,233dollars as filed
ACADIA PHARMACEUTICALS INC004225108COM12,050$268,233dollars as filed
KARMAN HLDGS INC COMMON STOCK485924104Stock3,350$268,168dollars as filed
GORMAN RUPP CO COM383082104Stock4,300$267,159dollars as filed
CHIME FINL INC COM SHS CL A16935C109Stock14,200$265,966dollars as filed
SMARTFINANCIAL INC83190L208COMMON STOCK6,750$263,790dollars as filed
MAREX GROUP PLCG5S37H101COMMON STOCK5,900$263,022dollars as filed
WESTERN ALLIANCE BANCORP COM957638109Stock3,700$262,145dollars as filed
CHURCHILL DOWNS INC171484108COM2,850$256,016dollars as filed
PAYCOMSOFTWAREINC70432V102STOK2,100$255,234dollars as filed
ON HLDG AG NAMEN AKT AH5919C104Stock7,500$255,150dollars as filed
CIPHER DIGITAL INC COM17253J106Stock19,700$253,539dollars as filed
BADGER METER INC COM056525108Stock1,650$251,378dollars as filed
BROOKFIELD ASSET MANAGMT LTD CL A LMT VTG SHS113004105Stock5,637$250,565dollars as filed
SEZZLE INC78435P105COM3,950$249,996dollars as filed
EMBRAER S.A.29082A107SPONSORED ADS4,200$249,228dollars as filed
CREDO TECHNOLOGY GROUP HOLDING ORDINARY SHARESG25457105Stock2,650$248,756dollars as filed
RANGE RES CORP COM75281A109Stock5,400$243,972dollars as filed
BRIDGEBIO PHARMA INC10806X102COM3,250$241,345dollars as filed
SPS COMM INC COM78463M107Stock4,330$241,051dollars as filed
RALPH LAUREN CORP751212101CL A700$240,793dollars as filed
PALOMAR HLDGS INC COM69753M105Stock2,000$239,000dollars as filed
UMB FINL CORP902788108COM2,100$236,859dollars as filed
MIRUM PHARMACEUTICALS INC604749101COM2,550$235,569dollars as filed
VELOCITY FINANCIAL INC92262D101COMMON STOCK13,000$235,170dollars as filed
BANCORP INC DEL05969A105COM4,300$231,039dollars as filed
GROUP 1 AUTOMOTIVE INC COM398905109Stock690$228,135dollars as filed
KINSALECAPGROUPINC49714P108STOK660$225,496dollars as filed
BOYDGAMINGCORP103304101STOK2,700$221,886dollars as filed
TEXAS ROADHOUSE INC COM882681109Stock1,330$219,636dollars as filed
OLLIES BARGAIN OUTLET HLDGS681116109COM2,370$218,135dollars as filed
ALIGNMENT HEALTHCARE INC COM01625V104Stock12,300$216,726dollars as filed
IRADIMED CORP46266A109COMMON STOCK2,250$216,585dollars as filed
DRAFTKINGS INC NEW26142V105COM CL A9,960$215,335dollars as filed
HAGERTY INC A405166109COMMON STOCK20,100$211,653dollars as filed
TETRA TECHNOLOGIES INC DEL88162F105COM23,850$203,202dollars as filed
IONQ INC COM46222L108Stock7,000$201,810dollars as filed
BRIGHT HORIZONS FAM SOL IN DEL COM109194100Stock2,440$200,397dollars as filed
UIPATH INC90364P105CL A17,250$191,475dollars as filed
GRABHLDGSLTDFCLASSCLASSAG4124C109STOK52,000$190,320dollars as filed
D-WAVE QUANTUM INC26740W109COM13,100$189,033dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001193125-26-162911this filing2026-04-20acceptance time not in the bulk data set