Yorktown Management & Research Co Inc

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed January 23, 2026), Yorktown Management & Research Co Inc reported 219 stock positions worth $125.1 million. Its top holding was Comfort Systems USA (FIX) at 2.6% of the portfolio, followed by iShares Convertible Bond ETF (ICVT, 2.1%) and Ies (IESC, 2.0%). Compared with Q3 2025, it opened 43 new positions, sold out of 30, added to 9 and reduced 8. The biggest buy was a new position in Accelerant Class A (ARX) and the biggest sale iShares Convertible Bond ETF (ICVT, shares −46%).

Most Recent 13F
Q2 2026
Location
Forest, VA
CIK
0001313559
Portfolio Value
$125.1M (Q4 2025)
SEC Filing
0001193125-26-020430 ↗ filed Jan 23, 2026

Holdings Value

0$50.0M$100.0M$150.0M$200.0M Q1 2024: $105.1M Q1 2024 Q2 2024: $93.1M Q2 2024 Q3 2024: $97.6M Q3 2024 Q4 2024: $104.0M Q4 2024 Q1 2025: $92.0M Q1 2025 Q2 2025: $104.8M Q2 2025 Q3 2025: $125.4M Q3 2025 Q4 2025: $125.1M $125.1M Q4 2025 Q1 2026: $119.5M Q1 2026 Q2 2026: $163.3M Q2 2026

Holdings 219 stocks · $125.1M
FIX Comfort Systems USA Inc. 2.61% 3,500 $3.3M No change
ICVT iShares Convertible Bond ETF 2.13% 27,000 $2.7M Reduce -46.0%
IESC Ies Holdings Inc. filed as IES HLDGS INC 1.97% 6,340 $2.5M No change
CWB SS SPDR BB Conv Sec ETF 1.93% 27,000 $2.4M Reduce -46.0%
VWOB Vanguard Emerg MKTS Gov BND 1.78% 33,000 $2.2M Add +32.0%
LPLA LPL Financial Holdings Inc. 1.51% 5,290 $1.9M No change
CYBR Cyberark Software Ltd./Israel 1.44% 4,050 $1.8M No change
FN Fabrinet 1.38% 3,800 $1.7M No change
INSM Insmed Inc. 1.34% 9,600 $1.7M No change
MLI Mueller Industries Inc. 1.33% 14,450 $1.7M No change
AXON Axon Enterprise Inc. 1.20% 2,650 $1.5M No change
HOOD Robinhood Markets Inc. Class A 1.11% 12,300 $1.4M No change
ANET Arista Networks Inc. 1.03% 9,800 $1.3M No change
PFF iShares Preferred & Income S 0.99% 40,000 $1.2M Reduce -38.5%
FTAI Ftai Aviation Ltd. 0.91% 5,800 $1.1M No change
WCC Wesco International Inc. 0.89% 4,550 $1.1M No change
KLAC KLA Corp. 0.86% 890 $1.1M No change
NVMI Nova Ltd. 0.84% 3,200 $1.1M Add +77.8%
RJF Raymond James Financial Inc. 0.83% 6,450 $1.0M No change
MEDP Medpace Holdings Inc. 0.81% 1,800 $1.0M No change
SRAD Sportradar Group AG-A 0.80% 42,100 $1.0M No change
SNEX Stonex Group Inc. 0.80% 10,500 $999K No change
GFI Gold Fields Ltd.-Spons ADR 0.79% 22,750 $993K No change
ARX Accelerant Holdings Class A 0.78% 59,300 $970K New
PEN Penumbra Inc. 0.75% 3,000 $933K No change
KKR KKR & Co. Inc. 0.73% 7,200 $918K No change
RBC RBC Bearings Inc. 0.71% 1,970 $883K No change
LQD Ishr Ibx Usd Invgd CB ETF-Ui 0.70% 8,000 $882K New
DLO Dlocal Ltd. 0.69% 60,700 $858K Add +46.3%
WWD Woodward Inc. 0.66% 2,750 $831K No change
BWXT BWX Technologies Inc. 0.65% 4,700 $812K No change
IBKR Interactive Brokers Gro Class A 0.64% 12,400 $797K No change
FCFS Firstcash Holdings Inc. 0.63% 4,950 $789K No change
ZETA Zeta Global Holdings Corp. Class A 0.62% 38,350 $780K New
CW Curtiss-Wright Corp. 0.62% 1,400 $772K No change
IR Ingersoll-Rand Inc. 0.61% 9,700 $768K No change
EXLS Exlservice Holdings Inc. 0.61% 18,100 $768K No change
KNSL Kinsale Capital Group Inc. 0.61% 1,960 $767K Add +50.8%
RSI Rush Street Interactive Inc. 0.61% 39,400 $766K Add +46.5%
PRIM Primoris Services Corp. 0.61% 6,150 $763K Add +50.0%
IBP Installed Building Products 0.60% 2,900 $752K No change
TYL Tyler Technologies Inc. 0.60% 1,650 $749K No change
USLM United States Lime & Mineral 0.60% 6,225 $745K No change
APLD Applied Digital Corp. 0.59% 30,350 $744K No change
HASI Ha Sustainable Infrastructur 0.59% 23,550 $740K Add +103.9%
HWKN Hawkins Inc. 0.58% 5,150 $732K No change
CLS Celestica Inc. 0.58% 2,450 $724K No change
PFGC Performance Food Group Co. 0.57% 7,880 $709K No change
FIGR Figure Technology Solut Class A 0.56% 17,300 $707K New
LAD Lithia Motors Inc. 0.56% 2,100 $698K No change
CNM Core & Main Inc. Class A 0.55% 13,300 $691K No change
GENI Genius Sports Ltd. 0.55% 62,700 $691K No change
HLI Houlihan Lokey Inc. 0.54% 3,850 $671K No change
CASY Casey's General Stores Inc. 0.53% 1,200 $663K No change
XMTR Xometry Inc. Class A 0.53% 11,050 $657K No change
HYG Ishr Ibx Usd Hiyld CB ETF-Ui 0.52% 8,000 $645K No change
RMBS Rambus Inc. 0.51% 7,000 $643K No change
LYFT LYFT Inc. Class A 0.51% 33,200 $643K New
PAM Pampa Energia SA-Spon ADR 0.51% 7,200 $637K Reduce -44.2%
BROS Dutch Bros Inc. Class A 0.50% 10,300 $631K No change
QLYS Qualys Inc. 0.50% 4,700 $625K No change
SF Stifel Financial Corp. 0.49% 4,900 $614K No change
ENSG The Ensign Group Inc. 0.49% 3,500 $610K No change
RDDT Reddit Inc. Class A 0.49% 2,650 $609K No change
SAIA Saia Inc. 0.48% 1,840 $601K No change
HRI Herc Holdings Inc. filed as HERC HLDGS INC 0.47% 4,000 $594K Add +17.6%
DGII Digi International Inc. 0.47% 13,700 $593K No change
MPWR Monolithic Power Systems Inc. 0.47% 650 $589K No change
SMCI Super Micro Computer Inc. 0.47% 19,950 $584K No change
CECO Ceco Environmental Corp. 0.46% 9,700 $581K No change
APG Api Group Corp. 0.46% 15,150 $580K No change
LIF LIFE360 Inc. 0.46% 9,000 $577K No change
FUTU Futu Holdings Ltd.-ADR filed as FUTU HLDGS LTD 0.46% 3,500 $575K No change
FELE Franklin Electric Co. Inc. 0.46% 6,000 $573K No change
ITT Itt Inc. 0.46% 3,300 $573K No change
GH Guardant Health Inc. 0.45% 5,550 $567K No change
GMED Globus Medical Inc. Class A 0.45% 6,400 $559K No change
MOD Modine Manufacturing Co. 0.44% 4,150 $554K No change
CAMT Camtek Ltd. 0.44% 5,200 $553K No change
LOAR Loar Holdings Inc. 0.43% 8,000 $544K New
DDOG Datadog Inc. Class A 0.43% 4,000 $544K No change
BLD Topbuild Corp. 0.43% 1,300 $542K No change
PAX Patria Investments Ltd. Class A 0.43% 34,000 $540K No change
SPXC SPX Technologies Inc. 0.43% 2,700 $540K No change
SYBT Stock Yards Bancorp Inc. 0.42% 8,100 $526K No change
ACMR Acm Research Inc. Class A 0.42% 13,300 $525K No change
ROAD Construction Partners Inc. Class A 0.42% 4,800 $521K No change
PCTY Paylocity Holding Corp. 0.40% 3,300 $503K No change
SEZL Sezzle Inc. 0.40% 7,900 $501K Add +100.0%
SYF Synchrony Financial 0.40% 6,000 $501K No change
DY Dycom Industries Inc. 0.40% 1,476 $499K No change
KRYS Krystal Biotech Inc. 0.39% 2,000 $493K No change
PCOR Procore Technologies Inc. 0.39% 6,750 $491K New
PTC PTC Inc. 0.39% 2,800 $488K No change
DAVE Dave Inc. 0.39% 2,200 $487K New
AVAV Aerovironment Inc. 0.39% 1,994 $482K No change
MTZ Mastec Inc. 0.38% 2,200 $478K No change
CALX Calix Inc. 0.38% 9,000 $476K No change
CVCO Cavco Industries Inc. 0.38% 800 $473K No change
KTOS Kratos Defense & Security 0.38% 6,200 $471K New

Show all 219 holdings

Portfolio Sells Q3 2025 → Q4 2025
ICVT iShares Convertible Bond ETF Reduce -46.0% 2.13% −1.86
CWB SS SPDR BB Conv Sec ETF Reduce -46.0% 1.93% −1.68
DSGX The Descartes Systems Grp Sold out 0.00% −0.81
PFF iShares Preferred & Income S Reduce -38.5% 0.99% −0.65
DT Dynatrace Inc. Sold out 0.00% −0.41
SFM Sprouts Farmers Market Inc. Sold out 0.00% −0.38
SEMR Semrush Holdings Inc. Class A Reduce -72.9% 0.31% −0.37
CCOI Cogent Communications Holdin Sold out 0.00% −0.36
FSV Firstservice Corp. Sold out 0.00% −0.35
JKHY Jack Henry & Associates Inc. Sold out 0.00% −0.34
DORM Dorman Products Inc. Reduce -32.7% 0.36% −0.32
KSPI JSC Kaspi.kz ADR Sold out 0.00% −0.30
ONON On Holding AG Class A Sold out 0.00% −0.29
TASK Taskus Inc. Class A Sold out 0.00% −0.28
ODD Oddity Tech Ltd. Class A Sold out 0.00% −0.28
VRNS Varonis Systems Inc. Sold out 0.00% −0.27
CPRX Catalyst Pharmaceuticals Inc. Sold out 0.00% −0.27
FOUR SHIFT4 Payments Inc. Class A Sold out 0.00% −0.27
MGRC McGrath Rentcorp Sold out 0.00% −0.27
PAYO Payoneer Global Inc. Reduce -56.1% 0.18% −0.26
RRX Regal Rexnord Corp. Sold out 0.00% −0.26
SSD Simpson Manufacturing Co. Inc. Sold out 0.00% −0.25
BSY Bentley Systems Inc. Class B Sold out 0.00% −0.25
CVLT Commvault Systems Inc. Sold out 0.00% −0.25
HLNE Hamilton Lane Inc. Class A Reduce -41.1% 0.35% −0.25
UFPT Ufp Technologies Inc. Sold out 0.00% −0.25
WNS WNS Holdings Ltd. Sold out 0.00% −0.23
OWL Blue Owl Capital Inc. Sold out 0.00% −0.23
MBIN Merchants Bancorp Sold out 0.00% −0.22
CELH Celsius Holdings Inc. Sold out 0.00% −0.22
VC Visteon Corp. Sold out 0.00% −0.19
DRVN Driven Brands Holdings Inc. Sold out 0.00% −0.19
LTH Life Time Group Holdings Inc. Sold out 0.00% −0.19
BJ Bj's Wholesale Club Holdings Sold out 0.00% −0.18
SKWD Skyward Specialty Insurance Sold out 0.00% −0.17
NCNO Ncino Inc. Sold out 0.00% −0.17
RRC Range Resources Corp. Sold out 0.00% −0.16
PAM Pampa Energia SA-Spon ADR Reduce -44.2% 0.51% −0.11

Portfolio Buys Q3 2025 → Q4 2025
ARX Accelerant Holdings Class A New 0.78% +0.78
LQD Ishr Ibx Usd Invgd CB ETF-Ui New 0.70% +0.70
ZETA Zeta Global Holdings Corp. Class A New 0.62% +0.62
FIGR Figure Technology Solut Class A New 0.56% +0.56
LYFT LYFT Inc. Class A New 0.51% +0.51
VWOB Vanguard Emerg MKTS Gov BND Add +32.0% 1.78% +0.45
LOAR Loar Holdings Inc. New 0.43% +0.43
PCOR Procore Technologies Inc. New 0.39% +0.39
DAVE Dave Inc. New 0.39% +0.39
NVMI Nova Ltd. Add +77.8% 0.84% +0.38
KTOS Kratos Defense & Security New 0.38% +0.38
NTSK Netskope Inc. Class A New 0.35% +0.35
KAI Kadant Inc. New 0.32% +0.32
CWAN Clearwater Analytics HDS-A New 0.32% +0.32
HASI Ha Sustainable Infrastructur Add +103.9% 0.59% +0.31
CIEN Ciena Corp. New 0.31% +0.31
KVYO Klaviyo Inc. Class A New 0.31% +0.31
HQY Healthequity Inc. New 0.30% +0.30
CHYM Chime Financial Inc. Class A New 0.29% +0.29
RYTM Rhythm Pharmaceuticals Inc. New 0.26% +0.26
CHDN Churchill Downs Inc. New 0.26% +0.26
WHD Cactus Inc. Class A New 0.25% +0.25
ONB Old National Bancorp New 0.25% +0.25
AXSM Axsome Therapeutics Inc. New 0.25% +0.25
GLOB Globant SA New 0.25% +0.25
BILL Bill Holdings Inc. New 0.24% +0.24
INTA Intapp Inc. New 0.24% +0.24
SBCF Seacoast Banking Corp. New 0.23% +0.23
NIQ Niq Global Intelligence PLC New 0.23% +0.23
KGS Kodiak Gas Services Inc. New 0.22% +0.22
GPI Group 1 Automotive Inc. New 0.22% +0.22
HGTY Hagerty Inc. Class A New 0.22% +0.22
HG Hamilton Insurance Grou Class B New 0.21% +0.21
DLO Dlocal Ltd. Add +46.3% 0.69% +0.21
OLLI Ollie's Bargain Outlet Holdi New 0.21% +0.21
S Sentinelone Inc. Class A New 0.20% +0.20
KRMN Karman Holdings Inc. New 0.20% +0.20
UTI Universal Technical Institut New 0.19% +0.19
MRX Marex UK Holdings Ltd. New 0.18% +0.18
TXRH Texas Roadhouse Inc. New 0.18% +0.18
ESE Esco Technologies Inc. New 0.18% +0.18
IRMD Iradimed Corp. New 0.17% +0.17
RSI Rush Street Interactive Inc. Add +46.5% 0.61% +0.17
KNSL Kinsale Capital Group Inc. Add +50.8% 0.61% +0.17
PSN Parsons Corp. New 0.17% +0.17
AGX Argan Inc. New 0.17% +0.17
NRDS Nerdwallet Inc. Class A New 0.16% +0.16
TGLS Tecnoglass Holdings Inc. New 0.16% +0.16
PRIM Primoris Services Corp. Add +50.0% 0.61% +0.16
HRI Herc Holdings Inc. Add +17.6% 0.47% +0.16

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 249$163.3MFIX, IESC, KLAC, ICVT, CWB
Q1 2026 214$119.5MFIX, IESC, ICVT, CWB, FN
Q4 2025 219$125.1MFIX, ICVT, IESC, CWB, VWOB
Q3 2025 206$125.4MICVT, CWB, FIX, IESC, PFF
Q2 2025 208$104.8MAXON, LPLA, IESC, FIX, CYBR
Q1 2025 206$92.0MLPLA, AXON, CYBR, FIX, MLI
Q4 2024 204$104.0MLPLA, FIX, AXON, MLI, IESC
Q3 2024 194$97.6MFIX, MLI, LPLA, EXP, IESC
Q2 2024 189$93.1MSMCI, LPLA, MLI, KLAC, CAMT
Q1 2024 217$105.1MSMCI, MLI, LPLA, RMBS, SAIA