Yorktown Management & Research Co Inc Portfolio Stock Holdings
Yorktown Management & Research Co Inc disclosed 214 stock positions valued at approximately $119.5 million in its latest SEC 13F filing. The largest holdings include Comfort Systems USA, Inc., IES Holdings, Inc., and iShares Convertible Bond ETF. The filing reflects positions held as of March 31, 2026 and was filed on April 20, 2026.
- Report Period
- March 31, 2026
- No. of Stocks
- 214
- Portfolio Value
- $119.5M
Holdings by Sector
Yorktown Management & Research Co Inc Portfolio Holdings in Q1 2026
205 holdings in the latest reporting period.
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| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| Comfort Systems USA, Inc. | FIX | Industrials | 3.70% | 3,210 | -290 | -8.29% | $4,426,558 |
| IES Holdings, Inc. | IESC | Industrials | 2.53% | 6,340 | - | - | $3,020,820 |
| iShares Convertible Bond ETF | ICVT | Other | 1.96% | 23,000 | -4,000 | -14.81% | $2,341,170 |
| SPDR Bloomberg Convertible Securities ETF | CWB | Other | 1.76% | 23,000 | -4,000 | -14.81% | $2,104,960 |
| Fabrinet | FN | Other | 1.66% | 3,800 | - | - | $1,981,776 |
| Vanguard Emerging Markets Government Bond ETF | VWOB | Other | 1.65% | 30,000 | -3,000 | -9.09% | $1,970,700 |
| Mueller Industries, Inc. | MLI | Industrials | 1.34% | 14,450 | - | - | $1,601,060 |
| iShares iBoxx $ Investment Grade Corporate Bond | LQD | Other | 1.28% | 14,000 | +6,000 | +75.00% | $1,525,860 |
| Palo Alto Networks, Inc. | PANW | Technology | 1.20% | 8,911 | +8,911 | +100.00% | $1,428,612 |
| FTAI Aviation Ltd. | FTAI | Other | 1.19% | 5,800 | - | - | $1,421,000 |
| KLA Corporation | KLAC | Technology | 1.10% | 890 | - | - | $1,310,445 |
| Insmed, Inc. | INSM | Healthcare | 1.08% | 7,925 | -1,675 | -17.45% | $1,295,896 |
| StoneX Group, Inc. | SNEX | Financial Services | 1.06% | 15,750 | +5,250 | +50.00% | $1,270,238 |
| WESCO International, Inc. | WCC | Industrials | 1.04% | 4,550 | - | - | $1,244,971 |
| Arista Networks, Inc. | ANET | Other | 1.01% | 9,800 | - | - | $1,203,244 |
| Axon Enterprise, Inc. | AXON | Industrials | 0.94% | 2,650 | - | - | $1,125,429 |
| RBC Bearings, Inc. | RBC | Industrials | 0.90% | 1,970 | - | - | $1,069,946 |
| Gold Fields Ltd. | GFI | Basic Materials | 0.86% | 22,750 | - | - | $1,032,850 |
| Penumbra, Inc. | PEN | Healthcare | 0.82% | 3,000 | - | - | $985,110 |
| Woodward, Inc. | WWD | Industrials | 0.82% | 2,750 | - | - | $984,280 |
| iShares Preferred and Income Securities ETF | PFF | Other | 0.81% | 32,000 | -8,000 | -20.00% | $970,240 |
| BWX Technologies, Inc. | BWXT | Industrials | 0.80% | 4,700 | - | - | $961,103 |
| Curtiss-Wright Corporation | CW | Industrials | 0.80% | 1,400 | - | - | $953,568 |
| Raymond James Financial, Inc. | RJF | Financial Services | 0.78% | 6,450 | - | - | $933,896 |
| FirstCash Holdings, Inc. | FCFS | Financial Services | 0.78% | 4,950 | - | - | $930,600 |
| Modine Manufacturing Company | MOD | Consumer Cyclical | 0.75% | 4,150 | - | - | $899,347 |
| Hawkins, Inc. | HWKN | Basic Materials | 0.74% | 5,750 | +600 | +11.65% | $883,200 |
| Primoris Services Corporation | PRIM | Industrials | 0.74% | 6,150 | - | - | $879,696 |
| Casey's General Stores, Inc. | CASY | Consumer Cyclical | 0.73% | 1,200 | - | - | $873,432 |
| HA Sustainable Infrastructure Capital, Inc. | HASI | Real Estate | 0.72% | 23,550 | - | - | $865,463 |
| Medpace Holdings, Inc. | MEDP | Healthcare | 0.72% | 1,800 | - | - | $864,342 |
| Interactive Brokers Group, Inc. | IBKR | Financial Services | 0.70% | 12,400 | - | - | $831,668 |
| Guardant Health, Inc. | GH | Healthcare | 0.68% | 8,850 | +3,300 | +59.46% | $817,475 |
| United States Lime & Minerals, Inc. | USLM | Basic Materials | 0.68% | 6,225 | - | - | $813,047 |
| iShares iBoxx $ High Yield Corporate Bond ETF | HYG | Other | 0.67% | 10,000 | +2,000 | +25.00% | $795,600 |
| Lumentum Holdings, Inc. | LITE | Technology | 0.66% | 1,125 | +1,125 | +100.00% | $790,605 |
| Installed Building Products, Inc. | IBP | Consumer Cyclical | 0.64% | 2,900 | - | - | $768,935 |
| CECO Environmental Corporation | CECO | Industrials | 0.64% | 12,900 | +3,200 | +32.99% | $768,582 |
| Applied Digital Corporation | APLD | Technology | 0.60% | 30,350 | - | - | $720,509 |
| Monolithic Power Systems, Inc. | MPWR | Technology | 0.59% | 650 | - | - | $710,678 |
| MasTec, Inc. | MTZ | Industrials | 0.59% | 2,200 | - | - | $707,828 |
| Ensign Group, Inc. (The) | ENSG | Healthcare | 0.59% | 3,500 | - | - | $705,250 |
| Celestica, Inc. | CLS | Technology | 0.58% | 2,450 | - | - | $690,116 |
| Texas Pacific Land Corporation | TPL | Energy | 0.57% | 1,440 | - | - | $683,366 |
| Performance Food Group Company | PFGC | Consumer Defensive | 0.56% | 7,880 | - | - | $675,001 |
| KKR & Company, Inc. | KKR | Financial Services | 0.56% | 7,200 | - | - | $666,000 |
| Digi International, Inc. | DGII | Technology | 0.55% | 13,700 | - | - | $660,340 |
| Core & Main, Inc. | CNM | Industrials | 0.55% | 13,300 | - | - | $657,020 |
| Saia, Inc. | SAIA | Industrials | 0.54% | 1,840 | - | - | $646,355 |
| Ciena Corporation | CIEN | Technology | 0.54% | 1,650 | - | - | $640,580 |
| Pampa Energia S.A. | PAM | Utilities | 0.53% | 7,200 | - | - | $637,200 |
| LPL Financial Holdings, Inc. | LPLA | Financial Services | 0.53% | 2,100 | -3,190 | -60.30% | $631,743 |
| ITT, Inc. | ITT | Industrials | 0.53% | 3,300 | - | - | $628,749 |
| ESCO Technologies, Inc. | ESE | Technology | 0.52% | 2,225 | +1,100 | +97.78% | $626,048 |
| Par Pacific Holdings, Inc. | PARR | Energy | 0.52% | 9,900 | - | - | $620,136 |
| API Group Corporation | APG | Industrials | 0.51% | 15,150 | - | - | $613,878 |
| Zeta Global Holdings Corporation | ZETA | Technology | 0.51% | 38,350 | - | - | $610,532 |
| Axsome Therapeutics, Inc. | AXSM | Healthcare | 0.51% | 3,600 | +1,900 | +111.76% | $608,472 |
| Rambus, Inc. | RMBS | Technology | 0.50% | 7,000 | - | - | $602,210 |
| Rush Street Interactive, Inc. | RSI | Consumer Cyclical | 0.49% | 26,900 | -12,500 | -31.73% | $585,075 |
| TransMedics Group, Inc. | TMDX | Healthcare | 0.48% | 5,800 | +2,300 | +65.71% | $576,578 |
| Tyler Technologies, Inc. | TYL | Technology | 0.47% | 1,650 | - | - | $564,927 |
| Franklin Electric Company, Inc. | FELE | Industrials | 0.46% | 6,000 | - | - | $553,020 |
| Houlihan Lokey, Inc. | HLI | Financial Services | 0.46% | 3,850 | - | - | $552,937 |
| Globus Medical, Inc. | GMED | Healthcare | 0.46% | 6,400 | - | - | $551,424 |
| Teledyne Technologies, Inc. | TDY | Technology | 0.46% | 900 | - | - | $544,509 |
| Stifel Financial Corporation | SF | Financial Services | 0.45% | 7,350 | +2,450 | +50.00% | $543,312 |
| SPX Technologies, Inc. | SPXC | Industrials | 0.45% | 2,700 | - | - | $539,838 |
| Dlocal Ltd./Uruguay | DLO | Other | 0.45% | 41,500 | -19,200 | -31.63% | $538,255 |
| Stock Yards Bancorp, Inc. | SYBT | Financial Services | 0.45% | 8,100 | - | - | $536,949 |
| Freedom Holding Corp | FRHC | Financial Services | 0.45% | 3,700 | - | - | $536,056 |
| Construction Partners, Inc. | ROAD | Industrials | 0.45% | 4,800 | - | - | $533,376 |
| Lithia Motors, Inc. | LAD | Consumer Cyclical | 0.44% | 2,100 | - | - | $524,412 |
| ACM Research, Inc. | ACMR | Technology | 0.44% | 13,300 | - | - | $523,355 |
| Dutch Bros, Inc. | BROS | Consumer Cyclical | 0.44% | 10,300 | - | - | $521,798 |
| Krystal Biotech, Inc. | KRYS | Healthcare | 0.43% | 2,000 | - | - | $516,640 |
| Axos Financial, Inc. | AX | Financial Services | 0.43% | 6,000 | +6,000 | +100.00% | $510,540 |
| Dycom Industries, Inc. | DY | Industrials | 0.42% | 1,476 | - | - | $500,098 |
| Eagle Materials, Inc. | EXP | Basic Materials | 0.42% | 2,630 | +980 | +59.39% | $498,254 |
| RingCentral, Inc. | RNG | Technology | 0.41% | 13,050 | - | - | $485,330 |
| Futu Holdings Ltd. | FUTU | Financial Services | 0.40% | 3,500 | - | - | $478,660 |
| Datadog, Inc. | DDOG | Technology | 0.39% | 4,000 | - | - | $472,200 |
| PulteGroup, Inc. | PHM | Consumer Cyclical | 0.39% | 4,000 | - | - | $470,440 |
| AZZ, Inc. | AZZ | Industrials | 0.39% | 3,750 | - | - | $469,238 |
| Grupo Aeroportuario del Sureste S.A.B. de C.V. | ASR | Industrials | 0.39% | 1,390 | - | - | $467,221 |
| TopBuild Corporation | BLD | Industrials | 0.38% | 1,300 | - | - | $456,690 |
| TD SYNNEX Corporation | SNX | Technology | 0.38% | 2,700 | - | - | $455,517 |
| TG Therapeutics, Inc. | TGTX | Healthcare | 0.38% | 13,700 | +3,050 | +28.64% | $455,114 |
| NCR Atleos Corporation | NATL | Technology | 0.38% | 10,400 | - | - | $453,232 |
| Tootsie Roll Industries, Inc. | TR | Consumer Defensive | 0.38% | 10,609 | +309 | +3.00% | $453,216 |
| Xometry, Inc. | XMTR | Industrials | 0.38% | 11,050 | - | - | $451,282 |
| Calix, Inc. | CALX | Technology | 0.37% | 9,000 | - | - | $440,910 |
| Evolv Technologies Holdings, Inc. | EVLV | Industrials | 0.37% | 72,500 | +72,500 | +100.00% | $438,625 |
| InterDigital, Inc. | IDCC | Technology | 0.37% | 1,450 | - | - | $437,900 |
| Kodiak Gas Services, Inc. | KGS | Energy | 0.37% | 7,500 | - | - | $437,400 |
| Zurn Elkay Water Solutions Corporation | ZWS | Industrials | 0.37% | 9,750 | - | - | $437,190 |
| Graham Corporation | GHM | Industrials | 0.36% | 5,450 | +5,450 | +100.00% | $430,114 |
| Patria Investments Ltd. | PAX | Other | 0.36% | 34,000 | - | - | $428,400 |
| Balchem Corporation | BCPC | Basic Materials | 0.35% | 2,500 | +1,050 | +72.41% | $423,700 |
| DigitalOcean Holdings, Inc. | DOCN | Technology | 0.35% | 4,900 | +4,900 | +100.00% | $420,322 |