13F HOLDINGS REPORT

Yorktown Management & Research Co Inc

Quarter ended Q4 2025 · Filed January 23, 2026 · Accession 0001193125-26-020430

Total Value

$125.1M

Positions

219

Other Managers

Confidential Omitted

View on SEC.gov

Holdings (219)

#	Issuer	Ticker / CUSIP	Shares	Value	% of Filing
1	Comfort Systems USA, Inc.	199908104	3,500	$3.3M	2.61%
2	iShares Convertible Bond ETF	46435G102	27,000	$2.7M	2.13%
3	IES Holdings, Inc.	IESC	6,340	$2.5M	1.97%
4	SPDR Bloomberg Convertible Securities ETF	78464A359	27,000	$2.4M	1.93%
5	Vanguard Emerging Markets Government Bond ETF	921946885	33,000	$2.2M	1.78%
6	LPL Financial Holdings, Inc.	50212V100	5,290	$1.9M	1.51%
7	CyberArk Software Ltd.	M2682V108	4,050	$1.8M	1.44%
8	Fabrinet	FN	3,800	$1.7M	1.38%
9	Insmed, Inc.	INSM	9,600	$1.7M	1.34%
10	Mueller Industries, Inc.	624756102	14,450	$1.7M	1.33%
11	Axon Enterprise, Inc.	AXON	2,650	$1.5M	1.20%
12	Robinhood Markets, Inc.	770700102	12,300	$1.4M	1.11%
13	Arista Networks, Inc.	ANET	9,800	$1.3M	1.03%
14	iShares Preferred and Income Securities ETF	464288687	40,000	$1.2M	0.99%
15	FTAI Aviation Ltd.	FTAIN	5,800	$1.1M	0.91%
16	WESCO International, Inc.	95082P105	4,550	$1.1M	0.89%
17	KLA Corporation	KLAC	890	$1.1M	0.86%
18	Nova Ltd.	NVMI	3,200	$1.1M	0.84%
19	Raymond James Financial, Inc.	754730109	6,450	$1.0M	0.83%
20	Medpace Holdings, Inc.	MEDP	1,800	$1.0M	0.81%
21	Sportradar Group A.G.	SRAD	42,100	$1.0M	0.80%
22	StoneX Group, Inc.	SNEX	10,500	$998,865	0.80%
23	Gold Fields Ltd.	GFIOF	22,750	$993,265	0.79%
24	Accelerant Holdings	ARX	59,300	$969,555	0.78%
25	Penumbra, Inc.	PEN	3,000	$932,730	0.75%
26	KKR & Company, Inc.	KKRT	7,200	$917,856	0.73%
27	RBC Bearings, Inc.	RBC	1,970	$883,407	0.71%
28	iShares iBoxx $ Investment Grade Corporate Bond	464287242	8,000	$881,520	0.70%
29	Dlocal Ltd./Uruguay	DLO	60,700	$858,298	0.69%
30	Woodward, Inc.	WWD	2,750	$831,380	0.66%
31	BWX Technologies, Inc.	BWXT	4,700	$812,348	0.65%
32	Interactive Brokers Group, Inc.	45841N107	12,400	$797,444	0.64%
33	FirstCash Holdings, Inc.	FCFS	4,950	$788,931	0.63%
34	Zeta Global Holdings Corporation	ZETA	38,350	$780,423	0.62%
35	Curtiss-Wright Corporation	CW	1,400	$771,778	0.62%
36	Ingersoll Rand, Inc.	IR	9,700	$768,434	0.61%
37	ExlService Holdings, Inc.	EXLS	18,100	$768,164	0.61%
38	Kinsale Capital Group, Inc.	49714P108	1,960	$766,595	0.61%
39	Rush Street Interactive, Inc.	RSI	39,400	$765,542	0.61%
40	Primoris Services Corporation	74164F103	6,150	$763,461	0.61%
41	Installed Building Products, Inc.	45780R101	2,900	$752,231	0.60%
42	Tyler Technologies, Inc.	TYL	1,650	$749,018	0.60%
43	United States Lime & Minerals, Inc.	UNTCW	6,225	$745,382	0.60%
44	Applied Digital Corporation	APLD	30,350	$744,182	0.59%
45	HA Sustainable Infrastructure Capital, Inc.	41068X100	23,550	$740,177	0.59%
46	Hawkins, Inc.	HWKN	5,150	$731,609	0.58%
47	Celestica, Inc.	CLS	2,450	$724,245	0.58%
48	Performance Food Group Company	PFGC	7,880	$708,570	0.57%
49	Figure Technology Solutions, Inc.	FGRS	17,300	$706,532	0.56%
50	Lithia Motors, Inc.	536797103	2,100	$697,893	0.56%
51	Core & Main, Inc.	CNM	13,300	$691,201	0.55%
52	Genius Sports Ltd.	GENI	62,700	$690,954	0.55%
53	Houlihan Lokey, Inc.	HLI	3,850	$670,632	0.54%
54	Casey's General Stores, Inc.	147528103	1,200	$663,252	0.53%
55	Xometry, Inc.	XMTR	11,050	$657,144	0.53%
56	iShares iBoxx $ High Yield Corporate Bond ETF	464288513	8,000	$645,040	0.52%
57	Rambus, Inc.	RMBS	7,000	$643,230	0.51%
58	Lyft, Inc.	LYFT	33,200	$643,084	0.51%
59	Pampa Energia S.A.	697660207	7,200	$637,272	0.51%
60	Dutch Bros, Inc.	BROS	10,300	$630,566	0.50%
61	Qualys, Inc.	QLYS	4,700	$624,630	0.50%
62	Stifel Financial Corporation	860630102	4,900	$613,578	0.49%
63	Ensign Group, Inc. (The)	ENSG	3,500	$609,700	0.49%
64	Reddit, Inc.	RDDT	2,650	$609,156	0.49%
65	Saia, Inc.	SAIA	1,840	$600,797	0.48%
66	Herc Holdings, Inc.	HRI	4,000	$593,520	0.47%
67	Digi International, Inc.	253798102	13,700	$593,073	0.47%
68	Monolithic Power Systems, Inc.	609839105	650	$589,134	0.47%
69	Super Micro Computer, Inc.	SMCI	19,950	$583,937	0.47%
70	CECO Environmental Corporation	CECO	9,700	$580,545	0.46%
71	API Group Corporation	APG	15,150	$579,639	0.46%
72	Life360, Inc.	LIFX	9,000	$577,260	0.46%
73	Futu Holdings Ltd.	FUTU	3,500	$574,735	0.46%
74	Franklin Electric Company, Inc.	FELE	6,000	$573,180	0.46%
75	ITT, Inc.	ITT	3,300	$572,583	0.46%
76	Guardant Health, Inc.	GH	5,550	$566,877	0.45%
77	Globus Medical, Inc.	GMED	6,400	$558,784	0.45%
78	Modine Manufacturing Company	607828100	4,150	$554,067	0.44%
79	Camtek Ltd.	CAMT	5,200	$552,994	0.44%
80	Loar Holdings, Inc.	LOAR	8,000	$544,000	0.43%
81	Datadog, Inc.	DDOG	4,000	$543,960	0.43%
82	TopBuild Corporation	BLD	1,300	$542,347	0.43%
83	Patria Investments Ltd.	PAX	34,000	$540,260	0.43%
84	SPX Technologies, Inc.	SPXC	2,700	$540,162	0.43%
85	Stock Yards Bancorp, Inc.	861025104	8,100	$526,095	0.42%
86	ACM Research, Inc.	00108J109	13,300	$524,685	0.42%
87	Construction Partners, Inc.	ROAD	4,800	$521,040	0.42%
88	Paylocity Holding Corporation	PCTY	3,300	$503,250	0.40%
89	Sezzle, Inc.	SEZL	7,900	$501,453	0.40%
90	Synchrony Financial	SYF-PB	6,000	$500,580	0.40%
91	Dycom Industries, Inc.	267475101	1,476	$498,740	0.40%
92	Krystal Biotech, Inc.	KRYS	2,000	$493,080	0.39%
93	Procore Technologies, Inc.	PCOR	6,750	$490,995	0.39%
94	PTC, Inc.	PTC	2,800	$487,788	0.39%
95	Dave, Inc.	23834J201	2,200	$487,102	0.39%
96	AeroVironment, Inc.	AVAV	1,994	$482,329	0.39%
97	MasTec, Inc.	MTZ	2,200	$478,214	0.38%
98	Calix, Inc.	CALX	9,000	$476,370	0.38%
99	Cavco Industries, Inc.	149568107	800	$472,592	0.38%
100	Kratos Defense & Security Solutions, Inc.	50077B207	6,200	$470,642	0.38%
101	PulteGroup, Inc.	745867101	4,000	$469,040	0.37%
102	InterDigital, Inc.	IDCC	1,450	$461,651	0.37%
103	Teledyne Technologies, Inc.	TDY	900	$459,657	0.37%
104	Dorman Products, Inc.	258278100	3,700	$455,803	0.36%
105	Zurn Elkay Water Solutions Corporation	98983L108	9,750	$453,278	0.36%
106	Freedom Holding Corp	FRHC	3,700	$450,216	0.36%
107	Boot Barn Holdings, Inc.	BOOT	2,550	$449,998	0.36%
108	Grupo Aeroportuario del Sureste S.A.B. de C.V.	40051E202	1,390	$449,526	0.36%
109	Hamilton Lane, Inc.	HLNE	3,300	$443,223	0.35%
110	Chefs' Warehouse, Inc. (The)	163086101	7,050	$439,427	0.35%
111	Netskope, Inc.	NTSK	25,050	$439,377	0.35%
112	Rollins, Inc.	ROL	7,300	$438,146	0.35%
113	CBRE Group, Inc.	CBRE	2,700	$434,133	0.35%
114	Upwork, Inc.	UPWK	21,900	$434,058	0.35%
115	TransMedics Group, Inc.	TMDX	3,500	$425,775	0.34%
116	HEICO Corporation	HEI-A	1,280	$414,195	0.33%
117	Texas Pacific Land Corporation	TPL	1,440	$413,597	0.33%
118	Napco Security Technologies, Inc.	630402105	9,900	$412,830	0.33%
119	RenaissanceRe Holdings Ltd.	RNR-PG	1,450	$407,682	0.33%
120	Kadant, Inc.	KAI	1,425	$406,154	0.32%
121	TD SYNNEX Corporation	SNX	2,700	$405,621	0.32%
122	Clearwater Analytics Holdings, Inc.	CWAN	16,700	$402,804	0.32%
123	AZZ, Inc.	AZZ	3,750	$401,925	0.32%
124	NCR Atleos Corporation	NATL	10,400	$396,344	0.32%
125	Fortinet, Inc.	FTNT	4,950	$393,080	0.31%
126	SharkNinja, Inc.	SN	3,500	$391,650	0.31%
127	SEMrush Holdings, Inc.	SEMR	32,500	$386,425	0.31%
128	SPS Commerce, Inc.	SPSC	4,330	$385,933	0.31%
129	Ciena Corporation	CIEN	1,650	$385,886	0.31%
130	Klaviyo, Inc.	KVYO	11,850	$384,770	0.31%
131	RadNet, Inc.	RDNT	5,350	$381,723	0.31%
132	CSW Industrials, Inc.	CSW	1,300	$381,589	0.31%
133	HealthEquity, Inc.	HQY	4,125	$377,891	0.30%
134	Tootsie Roll Industries, Inc.	890516107	10,300	$377,289	0.30%
135	RingCentral, Inc.	RNG	13,050	$376,884	0.30%
136	Korn Ferry	KFY	5,700	$376,314	0.30%
137	Goosehead Insurance, Inc.	GSHD	5,050	$371,933	0.30%
138	Veeva Systems, Inc.	VEEV	1,650	$368,330	0.29%
139	Copart, Inc.	CPRT	9,400	$368,010	0.29%
140	Pagseguro Digital Ltd.	PAGS	37,800	$364,392	0.29%
141	Piper Sandler Cos	PIPR	1,060	$360,093	0.29%
142	Chime Financial, Inc.	16935C109	14,200	$357,414	0.29%
143	Argenx S.E.	ARGX	425	$357,404	0.29%
144	IREN Ltd.	IREN	9,450	$356,927	0.29%
145	Customers Bancorp, Inc.	CUBB	4,850	$354,632	0.28%
146	Okta, Inc.	OKTA	4,100	$354,527	0.28%
147	Enova International, Inc.	29357K103	2,250	$353,700	0.28%
148	Corp America Airports S.A.	L1995B107	13,600	$353,600	0.28%
149	Par Pacific Holdings, Inc.	PARR	9,900	$347,886	0.28%
150	HCI Group, Inc.	HCIIP	1,800	$345,042	0.28%
151	Ramaco Resources, Inc.	METCZ	19,150	$344,700	0.28%
152	DraftKings, Inc.	DKNG	9,960	$343,222	0.27%
153	Paymentus Holdings, Inc.	PAY	10,800	$341,172	0.27%
154	Eagle Materials, Inc.	26969P108	1,650	$341,022	0.27%
155	Clean Harbors, Inc.	CLH	1,450	$339,996	0.27%
156	Paycom Software, Inc.	PAYC	2,100	$334,656	0.27%
157	Uber Technologies, Inc.	UBER	4,000	$326,840	0.26%
158	Rhythm Pharmaceuticals, Inc.	RYTM	3,050	$326,472	0.26%
159	Churchill Downs, Inc.	CHDN	2,850	$324,273	0.26%
160	ACADIA Pharmaceuticals, Inc.	ACAD	12,050	$321,856	0.26%
161	Transportadora de Gas del Sur S.A.	893870204	10,300	$320,227	0.26%
162	Chart Industries, Inc.	16115Q308	1,550	$319,657	0.26%
163	Neurocrine Biosciences, Inc.	NBIX	2,250	$319,118	0.26%
164	Doximity, Inc.	DOCS	7,200	$318,816	0.25%
165	TG Therapeutics, Inc.	TGTX	10,650	$317,477	0.25%
166	Cactus, Inc.	WHD	6,950	$317,476	0.25%
167	Old National Bancorp	680033107	14,150	$315,687	0.25%
168	Western Alliance Bancorp	WAL-PA	3,700	$311,059	0.25%
169	Axsome Therapeutics, Inc.	AXSM	1,700	$310,488	0.25%
170	Globant S.A.	GLOB	4,700	$307,239	0.25%
171	BlackLine, Inc.	BL	5,500	$304,095	0.24%
172	BILL Holdings, Inc.	BILL	5,550	$302,697	0.24%
173	Intapp, Inc.	INTA	6,600	$302,412	0.24%
174	Allegro MicroSystems, Inc.	ALGM	11,300	$298,094	0.24%
175	Brookfield Asset Management Ltd.	113004105	5,637	$295,322	0.24%
176	Progyny, Inc.	PGNY	11,500	$295,320	0.24%
177	V2X, Inc.	VVX	5,400	$294,570	0.24%
178	Seacoast Banking Corp. of Florida	SE	9,250	$290,635	0.23%
179	Bancorp, Inc. (The)	TBBK	4,300	$290,336	0.23%
180	NIQ Global Intelligence plc	NIQ	17,550	$289,400	0.23%
181	Badger Meter, Inc.	BMI	1,650	$287,777	0.23%
182	Guidewire Software, Inc.	GWRE	1,400	$281,414	0.22%
183	Kodiak Gas Services, Inc.	50012A108	7,500	$280,500	0.22%
184	Itron, Inc.	ITRI	3,000	$278,580	0.22%
185	Asana, Inc.	ASAN	19,800	$271,458	0.22%
186	Group 1 Automotive, Inc.	GPI	690	$271,377	0.22%
187	Embraer S.A.	EMBJ	4,200	$270,354	0.22%
188	Hagerty, Inc.	HGTY	20,100	$270,144	0.22%
189	Velocity Financial, Inc.	92262D101	13,000	$269,880	0.22%
190	Toast, Inc.	TOST	7,600	$269,876	0.22%
191	Palomar Holdings, Inc.	PLMR	2,000	$269,520	0.22%
192	Leonardo DRS, Inc.	DRS	7,900	$269,311	0.22%
193	Hamilton Insurance Group Ltd.	HG	9,600	$267,840	0.21%
194	Ollie's Bargain Outlet Holdings, Inc.	681116109	2,370	$259,776	0.21%
195	Grab Holdings Ltd.	GRABW	52,000	$259,480	0.21%
196	Hims & Hers Health, Inc.	HIMS	7,750	$251,643	0.20%
197	SmartFinancial, Inc.	SMBK	6,750	$249,683	0.20%
198	SentinelOne, Inc.	S	16,600	$249,000	0.20%
199	Ralph Lauren Corporation	RL	700	$247,527	0.20%
200	Karman Holdings, Inc.	KRMN	3,350	$245,120	0.20%
201	Alignment Healthcare, Inc.	ALHC	12,300	$242,925	0.19%
202	Universal Technical Institute, Inc.	UTI	9,100	$237,783	0.19%
203	Boyd Gaming Corporation	BYD	2,700	$230,148	0.18%
204	Payoneer Global, Inc.	PAYO	40,700	$228,734	0.18%
205	Marex Group PLC	MRX	5,900	$226,324	0.18%
206	Verra Mobility Corporation	VRRM	10,000	$224,100	0.18%
207	Balchem Corporation	BCPC	1,450	$222,372	0.18%
208	Texas Roadhouse, Inc.	TXRH	1,330	$220,780	0.18%
209	ESCO Technologies, Inc.	ESE	1,125	$219,814	0.18%
210	iRadimed Corporation	IRMD	2,250	$218,880	0.17%
211	Parsons Corporation	PSN	3,400	$210,120	0.17%
212	Argan, Inc.	AGX	670	$209,924	0.17%
213	NerdWallet, Inc.	NRDS	15,100	$204,605	0.16%
214	Tecnoglass, Inc.	TGLS	4,050	$203,796	0.16%
215	Interface, Inc.	TILE	7,225	$201,722	0.16%
216	elf Beauty, Inc.	ELF	2,650	$201,506	0.16%
217	Janus International Group, Inc.	JBI	28,500	$186,390	0.15%
218	ZoomInfo Technologies, Inc.	GTM	17,300	$175,941	0.14%
219	FNB Corp	302520101	10,100	$172,710	0.14%