Yorktown Management & Research Co Inc

Yorktown Management & Research Co Inc reported 249 holdings worth US$163M as of Jun 30, 2026 (Form 13F)

As of Jun 30, 2026 · Filed Jul 23, 2026

Yorktown Management & Research Co Inc reported 249 holdings worth US$163M as of Jun 30, 2026. Largest: Comfort Systems Usa, Inc., Ies Holdings, Inc. and Kla Corporation. Filed Jul 23, 2026 (Form 13F).

Holdings
249
Value as reported
US$163M

The filing in full

CompanySharesValue as reported% of portfolio
Comfort Systems Usa, Inc.2,960US$5.87M3.6%
Ies Holdings, Inc.5,510US$4.05M2.5%
Kla Corporation8,900US$2.69M1.6%
Guardant Health, Inc.12,500US$1.88M1.1%
Stonex Group Inc.15,750US$1.87M1.1%
Fabrinet3,150US$1.77M1.1%
Acm Research, Inc.13,300US$1.69M1.0%
Arista Networks, Inc.9,800US$1.66M1.0%
Wesco International, Inc.4,550US$1.57M0.96%
Ftai Aviation Ltd.5,800US$1.57M0.96%
Ceco Environmental Corp.17,209US$1.56M0.96%
Mueller Industries, Inc.12,400US$1.52M0.93%
Rbc Bearings Incorporated1,970US$1.27M0.78%
Bloom Energy Corporation4,150US$1.26M0.77%
Axsome Therapeutics, Inc.4,850US$1.19M0.73%
Dycom Industries, Inc.2,326US$1.18M0.72%
Woodward, Inc.2,750US$1.17M0.72%
Applied Digital Corporation30,350US$1.13M0.69%
Semtech Corporation6,850US$1.11M0.68%
Modine Manufacturing Company4,150US$1.11M0.68%
Interactive Brokers Group, Inc.12,400US$1.08M0.66%
Firstcash Holdings, Inc.4,950US$1.07M0.66%
Xometry, Inc.11,050US$1.07M0.65%
Curtiss-wright Corporation1,400US$1.06M0.65%
Axon Enterprise, Inc.1,875US$1.05M0.64%
Spx Technologies, Inc.4,250US$1.04M0.64%
Datadog, Inc.4,000US$1.04M0.64%
Digi International Inc.13,700US$1.03M0.63%
Liquidia Corporation12,700US$1.01M0.62%
Ionq, Inc.18,700US$996K0.61%
Installed Building Products, Inc.4,300US$988K0.61%
Raymond James Financial, Inc.6,450US$981K0.60%
Lumentum Holdings Inc.1,125US$965K0.59%
Forgent Power Solutions, Inc.17,200US$961K0.59%
Caseys General Stores, Inc.1,200US$954K0.58%
Medpace Holdings, Inc.1,800US$953K0.58%
Penumbra, Inc.3,000US$947K0.58%
Ha Sustainable Infrastructure Capital, Inc.23,550US$920K0.56%
Mastec, Inc.2,200US$915K0.56%
Bwx Technologies, Inc.4,700US$915K0.56%
Monolithic Power Systems, Inc.650US$899K0.55%
Lifestance Health Group, Inc.83,600US$895K0.55%
Celestica Inc.2,450US$894K0.55%
Performance Food Group Company7,880US$881K0.54%
Insmed Incorporated7,925US$845K0.52%
Denali Therapeutics Inc.32,100US$826K0.51%
Hawkins, Inc.5,750US$817K0.50%
Ciena Corporation1,650US$809K0.50%
Lpl Financial Holdings Inc.2,850US$803K0.49%
Rush Street Interactive, Inc.26,900US$800K0.49%
Allegro Microsystems, Inc.11,300US$787K0.48%
Esco Technologies Inc.2,225US$779K0.48%
Saia, Inc.1,840US$775K0.47%
Beam Therapeutics Inc.22,550US$774K0.47%
Digitalocean Holdings, Inc.4,900US$769K0.47%
Gold Fields Limited22,750US$764K0.47%
Fortinet, Inc.4,950US$760K0.47%
Tg Therapeutics, Inc.13,700US$753K0.46%
Krystal Biotech, Inc.2,000US$743K0.46%
The Ensign Group, Inc.4,600US$737K0.45%
Td Synnex Corporation2,700US$722K0.44%
Credo Technology Group Holding Ltd2,650US$721K0.44%
Palo Alto Networks, Inc.2,090US$713K0.44%
Sezzle Inc.3,950US$678K0.42%
The Chefs' Warehouse, Inc.7,050US$678K0.41%
Pdf Solutions, Inc.9,550US$676K0.41%
Graham Corporation5,450US$675K0.41%
Life Time Group Holdings, Inc.16,450US$672K0.41%
Pacs Group, Inc.15,600US$665K0.41%
Kkr & Co. Inc.7,200US$661K0.40%
Cytokinetics, Incorporated7,750US$660K0.40%
Rambus, Inc.4,950US$657K0.40%
Mirum Pharmaceuticals, Inc.5,600US$656K0.40%
Itt Inc.3,300US$653K0.40%
Dave Inc.1,750US$652K0.40%
United States Lime & Minerals, Inc.6,225US$652K0.40%
Unity Software Inc.22,550US$644K0.39%
Acadia Pharmaceuticals Inc.25,450US$644K0.39%
Franklin Electric Co., Inc.6,000US$643K0.39%
Core & Main, Inc.13,300US$642K0.39%
Api Group Corporation15,150US$642K0.39%
Neurocrine Biosciences, Inc.3,750US$632K0.39%
Texas Pacific Land Corporation1,440US$630K0.39%
Stock Yards Bancorp, Inc.8,100US$619K0.38%
Halozyme Therapeutics, Inc.7,850US$614K0.38%
Sunbelt Rentals Holdings, Inc.8,200US$613K0.38%
Lithia Motors, Inc.2,100US$610K0.37%
Teledyne Technologies Incorporated900US$600K0.37%
Western Alliance Bancorporation7,200US$592K0.36%
Eagle Materials Inc2,630US$592K0.36%
Embraer S.a.9,200US$587K0.36%
Ralph Lauren Corporation1,460US$586K0.36%
Axos Financial, Inc.6,000US$584K0.36%
Azz Inc.3,750US$581K0.36%
Hamilton Insurance Group, Ltd.16,900US$574K0.35%
Construction Partners, Inc.4,800US$570K0.35%
Corcept Therapeutics Incorporated6,500US$565K0.35%
Kodiak Gas Services, Inc.7,500US$563K0.35%
Hci Group, Inc.3,200US$561K0.34%
Hinge Health, Inc.6,700US$556K0.34%

Every holding of Yorktown Management & Research Co Inc

Source

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