Yorktown Management & Research Co Inc

13F filer, CIK 1313559, Forest, VA

Yorktown Management & Research Co Inc reported $104,028,655 across 204 holdings for the quarter ended 2024-12-31, in a 13F-HR filed 2025-01-27. Its ten largest share positions make up 12.8% of the portfolio.

Filed 2025-01-27 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC13F-HR 0000950123-25-000592

Period: 2024-12-31
Reported value: $104M
Holdings: 204
Top 10 weight: 12.8%
New: 33
Sold out: 23

Largest buys vs the previous quarter

Security	Shares change	Approx. value
ANETnew	+9,800	$1.08M
HWKNnew	+5,150	$632K
SMCInew	+19,950	$608K
SRPTnew	+4,600	$559K
IBKRnew	+3,100	$548K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

Security	Shares change	Approx. value
ARISTA NETWORKS INCexited	-2,450	-$940K
SUPER MICRO COMPUTER INCexited	-1,995	-$831K
WMSexited	-3,100	-$487K
PHINexited	-10,470	-$482K
VCexited	-5,000	-$476K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2024

Share positions as resolved from 13F-HR 0000950123-25-000592, largest first. % of portfolio is the value over $104,028,655, the sum of the share positions whose value is usable for ratios (method).

Security	Shares	Value	% of portfolio	Change	Timeline
LPLALPL FINL HLDGS INC	5,690	$1.86M	1.79%	0	Timeline
FIXCOMFORT SYS USA INC	3,900	$1.65M	1.59%	0	Timeline
AXONAXON ENTERPRISE INC	2,650	$1.57M	1.51%	0	Timeline
MLIMUELLER INDS INC	19,490	$1.55M	1.49%	0	Timeline
IESCIES HOLDINGS INC	6,340	$1.27M	1.22%	0	Timeline
PAMPAMPA ENERGIA SA	12,900	$1.13M	1.09%	+5,700	Timeline
EXPEAGLE MATLS INC	4,415	$1.09M	1.05%	0	Timeline
ANETARISTA NETWORKS INC	9,800	$1.08M	1.04%	new	Timeline
KKRKKR & CO INC	7,200	$1.06M	1.02%	0	Timeline
CYBERARK SOFTWARE LTD/ISRAELCYBERARK SOFTWARE LTD/ISRAEL	3,100	$1.03M	0.99%	0
RJFRAYMOND JAMES FINL INC	6,450	$1M	0.96%	0	Timeline
TYLTYLER TECHNOLOGIES INC	1,650	$951K	0.91%	0	Timeline
RMBSRAMBUS INC DEL	17,800	$941K	0.9%	0	Timeline
DSGXDESCARTES SYS GROUP INC	8,200	$932K	0.9%	0	Timeline
BJBJS WHSL CLUB HLDGS INC	10,000	$894K	0.86%	0	Timeline
IRINGERSOLL RAND INC	9,700	$877K	0.84%	0	Timeline
PCTYPAYLOCITY HLDG CORP	4,250	$848K	0.81%	0	Timeline
SAIASAIA INC	1,840	$839K	0.81%	0	Timeline
FNFABRINET	3,800	$836K	0.8%	0	Timeline
FTAIFTAI AVIATION LTD	5,800	$835K	0.8%	0	Timeline
HLNEHAMILTON LANE INC	5,600	$829K	0.8%	0	Timeline
USLMUNITED STS LIME & MINERALS I	6,225	$826K	0.79%	0	Timeline
GLOBGLOBANT S A	3,840	$823K	0.79%	0	Timeline
WCCWESCO INTL INC	4,550	$823K	0.79%	0	Timeline
SPSCSPS COMM INC	4,330	$797K	0.77%	0	Timeline
CPRXCATALYST PHARMACEUTICALS INC	37,550	$784K	0.75%	0	Timeline
INSMINSMED INC	10,970	$757K	0.73%	0	Timeline
LADLITHIA MTRS INC	2,100	$751K	0.72%	0	Timeline
KEXKIRBY CORP	6,950	$735K	0.71%	0	Timeline
SRADSPORTRADAR GROUP AG	42,100	$730K	0.7%	0	Timeline
AAONAAON INC	6,200	$730K	0.7%	0	Timeline
PENPENUMBRA INC	3,000	$712K	0.68%	0	Timeline
UFPIUFP INDUSTRIES INC	6,300	$710K	0.68%	0	Timeline
CNMCORE & MAIN INC	13,300	$677K	0.65%	0	Timeline
TTDTHE TRADE DESK INC	5,700	$670K	0.64%	0	Timeline
HLIHOULIHAN LOKEY INC	3,850	$669K	0.64%	0	Timeline
HOODROBINHOOD MKTS INC	17,900	$667K	0.64%	0	Timeline
PFGCPERFORMANCE FOOD GROUP CO	7,880	$666K	0.64%	0	Timeline
NOGNORTHERN OIL & GAS INC	17,900	$665K	0.64%	0	Timeline
QLYSQUALYS INC	4,700	$659K	0.63%	0	Timeline
EVREVERCORE INC	2,375	$658K	0.63%	0	Timeline
HRIHERC HLDGS INC	3,400	$644K	0.62%	0	Timeline
PRPERMIAN RESOURCES CORP	44,700	$643K	0.62%	0	Timeline
TWTRADEWEB MKTS INC	4,850	$635K	0.61%	0	Timeline
RRXREGAL REXNORD CORPORATION	4,075	$632K	0.61%	+800	Timeline
HWKNHAWKINS INC	5,150	$632K	0.61%	new	Timeline
LOGILOGITECH INTL S A	7,500	$618K	0.59%	0	Timeline
SMCISUPER MICRO COMPUTER INC	19,950	$608K	0.58%	new	Timeline
KNSLKINSALE CAP GROUP INC	1,300	$605K	0.58%	0	Timeline
MEDPMEDPACE HLDGS INC	1,800	$598K	0.57%	0	Timeline
MBCMASTERBRAND INC	40,650	$594K	0.57%	0	Timeline
RBCRBC BEARINGS INC	1,970	$589K	0.57%	+430	Timeline
FELEFRANKLIN ELEC INC	6,000	$585K	0.56%	0	Timeline
SSDSIMPSON MFG INC	3,500	$580K	0.56%	+750	Timeline
SYBTSTOCK YDS BANCORP INC	8,100	$580K	0.56%	0	Timeline
DTDYNATRACE INC	10,600	$576K	0.55%	0	Timeline
TREXTREX INC	8,300	$573K	0.55%	0	Timeline
UFPTUFP TECHNOLOGIES INC	2,340	$572K	0.55%	0	Timeline
DDOGDATADOG INC	4,000	$572K	0.55%	0	Timeline
TTEKTETRA TECH INC NEW	14,250	$568K	0.55%	0	Timeline
KLACKLA CORP	890	$561K	0.54%	0	Timeline
SRPTSAREPTA THERAPEUTICS INC	4,600	$559K	0.54%	new	Timeline
MATXMATSON INC	4,130	$557K	0.54%	0	Timeline
SFMSPROUTS FMRS MKT INC	4,350	$553K	0.53%	0	Timeline
IBKRINTERACTIVE BROKERS GROUP IN	3,100	$548K	0.53%	new	Timeline
GENIGENIUS SPORTS LIMITED	62,700	$542K	0.52%	new	Timeline
GSHDGOOSEHEAD INS INC	5,050	$541K	0.52%	0	Timeline
BROSDUTCH BROS INC	10,300	$540K	0.52%	new	Timeline
CPRTCOPART INC	9,400	$539K	0.52%	0	Timeline
EXLSEXLSERVICE HLDGS INC	12,100	$537K	0.52%	0	Timeline
INTAINTAPP INC	8,300	$532K	0.51%	new	Timeline
ARCOARCOS DORADOS HLDGS INC	73,000	$531K	0.51%	0	Timeline
TPLTEXAS PACIFIC LAND CORPORATI	480	$531K	0.51%	0	Timeline
GMEDGLOBUS MED INC	6,400	$529K	0.51%	0	Timeline
ASPNASPEN AEROGELS INC	44,100	$524K	0.5%	+22,600	Timeline
BWXTBWX TECHNOLOGIES INC	4,700	$524K	0.5%	0	Timeline
SFSTIFEL FINL CORP	4,900	$520K	0.5%	0	Timeline
PTCPTC INC	2,800	$515K	0.49%	0	Timeline
ICLRICON PUB LTD CO	2,450	$514K	0.49%	0	Timeline
DKSDICKS SPORTING GOODS INC	2,240	$513K	0.49%	0	Timeline
DHID R HORTON INC	3,600	$503K	0.48%	0	Timeline
JKHYHENRY JACK & ASSOC INC	2,850	$500K	0.48%	0	Timeline
CWCURTISS WRIGHT CORP	1,400	$497K	0.48%	0	Timeline
BMABANCO MACRO S A	5,100	$493K	0.47%	new	Timeline
FRHCFREEDOM HOLDING CORP	3,700	$484K	0.46%	0	Timeline
MODMODINE MFG CO	4,150	$481K	0.46%	0	Timeline
DORMDORMAN PRODS INC	3,700	$479K	0.46%	0	Timeline
CASYCASEYS GEN STORES INC	1,200	$475K	0.46%	0	Timeline
ITTITT INC	3,300	$472K	0.45%	0	Timeline
ONONON HLDG AG	8,600	$471K	0.45%	new	Timeline
SNEXSTONEX GROUP INC	4,800	$470K	0.45%	0	Timeline
IHGINTERCONTINENTAL HOTELS GROU	3,750	$468K	0.45%	new	Timeline
FTNTFORTINET INC	4,950	$468K	0.45%	0	Timeline
DLODLOCAL LTD	41,500	$467K	0.45%	0	Timeline
GGALGRUPO FINANCIERO GALICIA S.A	7,450	$464K	0.45%	new	Timeline
PATKPATRICK INDS INC	5,550	$461K	0.44%	+1,850	Timeline
IBPINSTALLED BLDG PRODS INC	2,630	$461K	0.44%	0	Timeline
CSWCSW INDUSTRIALS INC	1,300	$459K	0.44%	0	Timeline
WWDWOODWARD INC	2,750	$458K	0.44%	0	Timeline
FOURSHIFT4 PMTS INC	4,400	$457K	0.44%	new	Timeline
DUOLDUOLINGO INC	1,400	$454K	0.44%	0	Timeline
TMHCTAYLOR MORRISON HOME CORP	7,400	$453K	0.44%	0	Timeline
FSSFEDERAL SIGNAL CORP	4,850	$448K	0.43%	0	Timeline
MIDDMIDDLEBY CORP	3,300	$447K	0.43%	0	Timeline
PHMPULTE GROUP INC	4,000	$436K	0.42%	0	Timeline
PAYCPAYCOM SOFTWARE INC	2,100	$430K	0.41%	0	Timeline
WTMWHITE MTNS INS GROUP LTD	220	$428K	0.41%	new	Timeline
TSTENARIS S A	11,300	$427K	0.41%	0	Timeline
ROADCONSTRUCTION PARTNERS INC	4,800	$425K	0.41%	0	Timeline
CAMTCAMTEK LTD	5,200	$420K	0.4%	-2,200	Timeline
TDYTELEDYNE TECHNOLOGIES INC	900	$418K	0.4%	0	Timeline
OVVOVINTIV INC	10,300	$417K	0.4%	0	Timeline
FSVFIRSTSERVICE CORP NEW	2,300	$416K	0.4%	0	Timeline
PARRPAR PAC HOLDINGS INC	25,300	$415K	0.4%	new	Timeline
ELFE L F BEAUTY INC	3,300	$414K	0.4%	0	Timeline
DGIIDIGI INTL INC	13,700	$414K	0.4%	0	Timeline
CHDNCHURCHILL DOWNS INC	3,100	$414K	0.4%	0	Timeline
PPCPILGRIMS PRIDE CORP	9,000	$409K	0.39%	0	Timeline
STLDSTEEL DYNAMICS INC	3,550	$405K	0.39%	0	Timeline
BLDTOPBUILD COR	1,300	$405K	0.39%	0	Timeline
PAXPATRIA INVESTMENTS LIMITED	34,000	$395K	0.38%	new	Timeline
OWLBLUE OWL CAPITAL INC	16,900	$393K	0.38%	0	Timeline
SPXCSPX TECHNOLOGIES INC	2,700	$393K	0.38%	0	Timeline
NBIXNEUROCRINE BIOSCIENCES INC	2,850	$389K	0.37%	0	Timeline
LSTRLANDSTAR SYS INC	2,250	$387K	0.37%	0	Timeline
RRCRANGE RES CORP	10,700	$385K	0.37%	0	Timeline
TSCOTRACTOR SUPPLY CO	7,250	$385K	0.37%	+5,800	Timeline
MPWRMONOLITHIC PWR SYS INC	650	$385K	0.37%	0	Timeline
KFYKORN FERRY	5,700	$384K	0.37%	0	Timeline
DOCSDOXIMITY INC	7,200	$384K	0.37%	0	Timeline
James Hardie Industries PLCJames Hardie Industries PLC	12,300	$379K	0.36%	0
FLRFLUOR CORP	7,650	$377K	0.36%	0	Timeline
LIFLIFE360 INC	9,000	$371K	0.36%	new	Timeline
DKNGDRAFTKINGS INC NEW	9,960	$371K	0.36%	0	Timeline
LSCCLATTICE SEMICONDUCTOR CORP	6,500	$368K	0.35%	0	Timeline
MKSIMKS INC.	3,500	$365K	0.35%	0	Timeline
APGAPI GROUP CORP	10,100	$363K	0.35%	0	Timeline
ASRGRUPO AEROPORTUARIO DEL SURE	1,390	$358K	0.34%	0	Timeline
CVCOCAVCO INDS INC DEL	800	$357K	0.34%	0	Timeline
NVMINOVA LTD	1,800	$355K	0.34%	0	Timeline
CBRECBRE GROUP INC	2,700	$354K	0.34%	-800	Timeline
WHDCACTUS INC	6,050	$353K	0.34%	0	Timeline
NOVTNOVANTA INC	2,300	$351K	0.34%	0	Timeline
BMIBADGER METER INC	1,650	$350K	0.34%	0	Timeline
WLKWESTLAKE CORPORATION	3,050	$350K	0.34%	0	Timeline
STVNSTEVANATO GROUP S P A	16,000	$349K	0.34%	0	Timeline
CHEFCHEFS WHSE INC	7,050	$348K	0.33%	0	Timeline
VEEVVEEVA SYS INC	1,650	$347K	0.33%	0	Timeline
HLITHARMONIC INC	26,000	$344K	0.33%	new	Timeline
TXRHTEXAS ROADHOUSE INC	1,900	$343K	0.33%	0	Timeline
SNSHARKNINJA INC	3,500	$341K	0.33%	0	Timeline
BRBRBELLRING BRANDS INC	4,500	$339K	0.33%	new	Timeline
ROLROLLINS INC	7,300	$338K	0.33%	0	Timeline
TASKTASKUS INC	19,800	$335K	0.32%	0	Timeline
CLHCLEAN HARBORS INC	1,450	$334K	0.32%	0	Timeline
CRLCHARLES RIV LABS INTL INC	1,800	$332K	0.32%	0	Timeline
ITRIITRON INC	3,000	$326K	0.31%	0	Timeline
WFGWEST FRASER TIMBER CO LTD	3,750	$325K	0.31%	0	Timeline
TRTOOTSIE ROLL INDS INC	10,000	$323K	0.31%	new	Timeline
GRVYGRAVITY CO LTD	5,100	$322K	0.31%	0	Timeline
MBINMERCHANTS BANCORP IND	8,800	$321K	0.31%	0	Timeline
MGRCMCGRATH RENTCORP	2,850	$319K	0.31%	new	Timeline
SNXTD SYNNEX CORPORATION	2,700	$317K	0.3%	0	Timeline
AGMFEDERAL AGRIC MTG CORP	1,600	$315K	0.3%	new	Timeline
CALXCALIX INC	9,000	$314K	0.3%	new	Timeline
PRIMPRIMORIS SVCS CORP	4,100	$313K	0.3%	new	Timeline
HAEHAEMONETICS CORP MASS	4,000	$312K	0.3%	0	Timeline
RGENREPLIGEN CORP	2,150	$309K	0.3%	0	Timeline
AZZAZZ INC	3,750	$307K	0.3%	0	Timeline
MLRMILLER INDS INC TENN	4,700	$307K	0.3%	new	Timeline
AVAVAEROVIRONMENT INC	1,994	$307K	0.29%	0	Timeline
BAMBROOKFIELD ASSET MANAGMT LTD	5,637	$305K	0.29%	0	Timeline
ALEALLETE INC	4,700	$305K	0.29%	new	Timeline
TGSTRANSPORTADORA DE GAS DEL SU	10,300	$301K	0.29%	0	Timeline
GFIGOLD FIELDS LTD	22,750	$300K	0.29%	0	Timeline
CBTCABOT CORP	3,200	$292K	0.28%	0	Timeline
DVDOUBLEVERIFY HLDGS INC	15,100	$290K	0.28%	new	Timeline
EXPDEXPEDITORS INTL WASH INC	2,600	$288K	0.28%	0	Timeline
BSYBENTLEY SYS INC	6,100	$285K	0.27%	0	Timeline
GPKGRAPHIC PACKAGING HLDG CO	10,450	$284K	0.27%	0	Timeline
FUTUFUTU HLDGS LTD	3,500	$280K	0.27%	new	Timeline
NVTNVENT ELEC PLC	4,100	$279K	0.27%	0	Timeline
GNRCGENERAC HLDGS INC	1,800	$279K	0.27%	-1,300	Timeline
ENSGENSIGN GROUP INC	2,100	$279K	0.27%	-3,050	Timeline
FCFSFIRSTCASH HOLDINGS INC	2,650	$275K	0.26%	new	Timeline
RDNTRADNET INC	3,900	$272K	0.26%	0	Timeline
ARHSARHAUS INC	28,250	$266K	0.26%	+14,500	Timeline
GMS INCGMS INC	3,100	$263K	0.25%	0
TECHBIO-TECHNE CORP	3,600	$259K	0.25%	0	Timeline
BOOTBOOT BARN HLDGS INC	1,700	$258K	0.25%	0	Timeline
ALGMALLEGRO MICROSYSTEMS INC	11,300	$247K	0.24%	0	Timeline
STNESTONECO LTD	30,900	$246K	0.24%	+15,200	Timeline
GRABGRAB HOLDINGS LIMITED	52,000	$245K	0.24%	0	Timeline
AMPHAMPHASTAR PHARMACEUTICALS IN	6,600	$245K	0.24%	new	Timeline
VRRMVERRA MOBILITY CORP	10,000	$242K	0.23%	0	Timeline
ONTOONTO INNOVATION INC	1,450	$242K	0.23%	0	Timeline
TXTERNIUM SA	8,275	$241K	0.23%	0	Timeline
SDHCSMITH DOUGLAS HOMES CORP	9,200	$236K	0.23%	new	Timeline
GRBKGREEN BRICK PARTNERS INC	4,050	$229K	0.22%	new	Timeline
TGLSTECNOGLASS INC	2,800	$222K	0.21%	new	Timeline
LNTHLANTHEUS HLDGS INC	2,450	$219K	0.21%	0	Timeline
AMKRAMKOR TECHNOLOGY INC	8,250	$212K	0.2%	0	Timeline
GTMZOOMINFO TECHNOLOGIES INC	17,300	$182K	0.17%	0	Timeline
DOLEDOLE PLC	12,600	$171K	0.16%	0	Timeline

Sold out in Q4 2024

Positions in the previous quarter's report that this quarter's report no longer lists.

Security	Shares before	Value before	Type
ARISTA NETWORKS INCARISTA NETWORKS INC	2,450	$940K	shares
SUPER MICRO COMPUTER INCSUPER MICRO COMPUTER INC	1,995	$831K	shares
WMSADVANCED DRAIN SYS INC DEL	3,100	$487K	shares
PHINPHINIA INC	10,470	$482K	shares
VCVISTEON CORP	5,000	$476K	shares
THCTENET HEALTHCARE CORP	2,800	$465K	shares
PACSPACS GROUP INC	11,400	$456K	shares
FROFRONTLINE PLC	19,850	$454K	shares
AFYAAFYA LTD	25,500	$435K	shares
SKYCHAMPION HOMES INC	4,400	$417K	shares
LTHLIFE TIME GROUP HOLDINGS INC	16,850	$411K	shares
HASIHA SUSTAINABLE INFRA CAP INC	10,200	$352K	shares
DOCNDIGITALOCEAN HLDGS INC	8,550	$345K	shares
STAASTAAR SURGICAL CO	9,100	$338K	shares
IQVIQVIA HLDGS INC	1,400	$332K	shares
STESTERIS PLC	1,300	$315K	shares
BRKRBRUKER CORP	4,500	$311K	shares
APTIV IRISH HOLDINGS LTDAPTIV IRISH HOLDINGS LTD	4,300	$310K	shares
BGBUNGE GLOBAL SA	3,200	$309K	shares
ACLSAXCELIS TECHNOLOGIES INC	2,700	$283K	shares
WSCWILLSCOT HLDGS CORP	7,500	$282K	shares
WFRDWEATHERFORD INTL PLC	2,900	$246K	shares
WNS HLDGS LTD COM SHSWNS HLDGS LTD COM SHS	3,800	$200K	shares

How Q4 2024 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

Filing	Role	Amendment	Filed	Accepted	Ingested
13F-HR 0000950123-25-000592	base		2025-01-27	acceptance time not in the bulk data set	2026-10-07 18:25:55 UTC