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Yorktown Management & Research Co Inc
Period ended Sep 30, 2026 · Latest filing Oct 28, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Sep 30, 2026: $149,682,310
More quarters will appear as history becomes available.
Top holdings
Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- Comfort Systems USA, Inc. · COM · 199908104 · shares: $4,896,106
- IES Holdings, Inc. · COM · 44951W106 · shares: $3,538,302
- Guardant Health, Inc. · COM · 40131M109 · shares: $2,229,500
- Arista Networks, Inc. · COM SHS · 040413205 · shares: $1,995,182
- KLA Corporation · COM NEW · 482480100 · shares: $1,734,877
- iShares Convertible Bond ETF · CONV BD ETF · 46435G102 · shares: $1,694,025
- CECO Environmental Corporation · COM · 125141101 · shares: $1,692,879
- WESCO International, Inc. · COM · 95082P105 · shares: $1,636,135
- Vanguard Emerging Markets Government Bond ETF · EM MK GOV BD ETF · 921946885 · shares: $1,578,250
- StoneX Group, Inc. · COM · 861896108 · shares: $1,527,120
Reported holdings
252 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| Scholar Rock Holding Corporation | COM | 80706P103 | — | 6,400 shares | $309,248 |
| Boot Barn Holdings, Inc. | COM | 099406100 | — | 2,550 shares | $307,199 |
| QXO, Inc. | COM NEW | 82846H405 | — | 26,260 shares | $306,979 |
| Mercury General Corporation | COM | 589400100 | — | 3,100 shares | $306,435 |
| Primoris Services Corporation | COM | 74164F103 | — | 4,100 shares | $305,532 |
| Hut 8 Corporation | COM | 44812J104 | — | 3,500 shares | $301,350 |
| Lamb Weston Holdings, Inc. | COM | 513272104 | — | 7,200 shares | $300,168 |
| WaterBridge Infrastructure, LLC | CL A SHS REPSTG | 940923105 | — | 10,600 shares | $298,072 |
| Aurinia Pharmaceuticals, Inc. | COM | 05156V102 | — | 18,200 shares | $294,749 |
| Seacoast Banking Corp. of Florida | COM NEW | 811707801 | — | 9,250 shares | $294,428 |
| Axogen, Inc. | COM | 05463X106 | — | 7,000 shares | $293,440 |
| Helmerich & Payne, Inc. | COM | 423452101 | — | 7,800 shares | $289,692 |
| Leonardo DRS, Inc. | COM | 52661A108 | — | 7,900 shares | $289,377 |
| UFP Technologies, Inc. | COM | 902673102 | — | 965 shares | $286,431 |
| Legend Biotech Corporation | SPONSORED ADS | 52490G102 | — | 14,250 shares | $283,433 |
| Eagle Materials, Inc. | COM | 26969P108 | — | 1,650 shares | $282,183 |
| Arxis, Inc. | CL A COM | 04339D105 | — | 5,700 shares | $281,523 |
| Lovesac Company (The) | COM | 54738L109 | — | 18,700 shares | $281,435 |
| Piper Sandler Cos | COM NEW | 724078209 | — | 4,240 shares | $279,713 |
| AAR Corporation | COM | 000361105 | — | 2,750 shares | $279,043 |
| Granite Construction, Inc. | COM | 387328107 | — | 2,400 shares | $278,184 |
| Skyward Specialty Insurance Group, Inc. | COM | 830940102 | — | 5,250 shares | $277,200 |
| Bridgebio Pharma, Inc. | COM | 10806X102 | — | 4,200 shares | $276,360 |
| Toast, Inc. | CL A | 888787108 | — | 9,400 shares | $272,506 |
| Hecla Mining Company | COM | 422704106 | — | 15,750 shares | $268,223 |
| Transportadora de Gas del Sur S.A. | SPONSORED ADS B | 893870204 | — | 10,300 shares | $267,285 |
| Coeur Mining, Inc. | COM NEW | 192108504 | — | 15,150 shares | $266,640 |
| Clear Secure, Inc. | COM CL A | 18467V109 | — | 6,350 shares | $266,383 |
| Pennant Group, Inc. (The) | COM | 70805E109 | — | 6,800 shares | $265,200 |
| Loar Holdings, Inc. | COM SHS | 53947R105 | — | 4,250 shares | $261,460 |
| NETSTREIT Corporation | COM | 64119V303 | — | 14,650 shares | $259,012 |
| Goosehead Insurance, Inc. | COM CL A | 38267D109 | — | 5,700 shares | $258,552 |
| Flywire Corporation | COM VTG | 302492103 | — | 14,700 shares | $257,250 |
| Copart, Inc. | COM | 217204106 | — | 9,400 shares | $256,432 |
| CareTrust REIT, Inc. | COM | 14174T107 | — | 7,000 shares | $256,060 |
| WaFd, Inc. | COM | 938824109 | — | 8,450 shares | $252,909 |
| Madrigal Pharmaceuticals, Inc. | COM | 558868105 | — | 500 shares | $251,980 |
| Interface, Inc. | COM | 458665304 | — | 7,225 shares | $248,540 |
| Virtu Financial, Inc. | CL A | 928254101 | — | 4,350 shares | $239,946 |
| Wise Group plc | ORD SHS CLASS A | G9723Y105 | — | 21,000 shares | $239,190 |
| Stoke Therapeutics, Inc. | COM | 86150R107 | — | 9,150 shares | $237,900 |
| Applied Optoelectronics, Inc. | COM | 03823U102 | — | 2,350 shares | $233,261 |
| Flowco Holdings, Inc. | COM CL A | 342909108 | — | 12,600 shares | $228,060 |
| Freedom Holding Corp | COM | 356390104 | — | 1,350 shares | $225,855 |
| Federal Signal Corporation | COM | 313855108 | — | 2,000 shares | $221,580 |
| Rollins, Inc. | COM | 775711104 | — | 7,300 shares | $219,876 |
| Deckers Outdoor Corporation | COM | 243537107 | — | 2,800 shares | $218,792 |
| D-Wave Quantum, Inc. | COM | 26740W109 | — | 13,100 shares | $217,067 |
| Etoro Group Ltd. | SHS CL A | G32089107 | — | 8,300 shares | $213,310 |
| Texas Roadhouse, Inc. | COM | 882681109 | — | 1,330 shares | $207,932 |
| Bancorp, Inc. (The) | COM | 05969A105 | — | 4,300 shares | $207,088 |
| Ultragenyx Pharmaceutical, Inc. | COM | 90400D108 | — | 10,750 shares | $161,573 |