Yorktown Management & Research Co Inc
13F Reported Value
ⓘ$163.3M
Holdings
249
Latest Filing
2026-06-30
Filing Quarter
Q2 2026
Portfolio Overview
Yorktown Management & Research Co Inc disclosed 249 positions worth $163.3M in its Form 13F-HR for Q2 2026, led by $FIX (COMFORT SYSTEMS USA INC) at 3.6% of the equity portfolio, followed by $IESC and $KLAC. During the quarter the fund opened 82 new positions and exited 47 — including a new stake in $BE and a full exit from $PARR. The portfolio is most concentrated in Technology (25.5% of disclosed assets). All figures are sourced directly from Yorktown Management & Research Co Inc’s Form 13F-HR filing with the SEC under CIK 1313559.
AI Fund Analysis
DiversifyingSector Allocation
AUM History
Top Equity Holdings by Value
Quarterly Activity — Q2 2026
Click any card to unlockTop Holdings
- 77.7#61
Quality
$5.9M2,960 sh - 68.4#318
Quality
$4.0M5,510 sh - 78.6#51
Quality
$2.7M8,900 sh iShares Convertible Bond ETF - CONV BD ETF
—Quality
$2.4M20,000 shSPDR Bloomberg Convertible Securities ETF - ST STR CONV ETF
—Quality
$2.2M20,000 sh- 67.9
Quality
$2.0M30,000 sh - 39.0
Quality
$1.9M12,500 sh - 68.9
Quality
$1.9M15,750 sh - 62.8
Quality
$1.8M3,150 sh - —
Quality
$1.7M3,220 sh
| Company | Quality | Value | Shares |
|---|---|---|---|
| 77.7#61 | $5.9M | 2,960 | |
| 68.4#318 | $4.0M | 5,510 | |
| 78.6#51 | $2.7M | 8,900 | |
| iShares Convertible Bond ETF - CONV BD ETF | — | $2.4M | 20,000 |
| SPDR Bloomberg Convertible Securities ETF - ST STR CONV ETF | — | $2.2M | 20,000 |
| 67.9 | $2.0M | 30,000 | |
| 39.0 | $1.9M | 12,500 | |
| 68.9 | $1.9M | 15,750 | |
| 62.8 | $1.8M | 3,150 | |
| — | $1.7M | 3,220 |
Unlock AI quality scores for every holding
32-signal composite ranking on each of Yorktown Management & Research Co Inc's 249 positions.
Showing top 10 of 249 holdings.
Sector Allocation
Technology
$41.6M
Industrials
$38.1M
Healthcare
$28.6M
Financials
$21.9M
Consumer Discretionary
$8.6M
Other
$8.0M
Energy
$5.2M
Materials
$4.4M
Top Holdings — Yorktown Management & Research Co Inc (Q2 2026)
Top 150 of 249 disclosed positions (by reported value) from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.
| # | Ticker | Company | Value | Weight | QoQ | Quality |
|---|---|---|---|---|---|---|
| 1 | COMFORT SYSTEMS USA INC | $5.9M | 3.6% | -8% | 77.7 | |
| 2 | IES Holdings, Inc. | $4.0M | 2.5% | -13% | 68.4 | |
| 3 | KLA CORP | $2.7M | 1.6% | +900% | 78.6 | |
| 4 | — | iShares Convertible Bond ETF - CONV BD ETF | $2.4M | 1.5% | -13% | — |
| 5 | — | SPDR Bloomberg Convertible Securities ETF - ST STR CONV ETF | $2.2M | 1.3% | -13% | — |
| 6 | SYNOPSYS INC | $2.0M | 1.2% | +0% | 67.9 | |
| 7 | Guardant Health, Inc. | $1.9M | 1.1% | +41% | 39 | |
| 8 | StoneX Group Inc. | $1.9M | 1.1% | +0% | 68.9 | |
| 9 | Fabrinet | $1.8M | 1.1% | -17% | 62.8 | |
| 10 | NOVA LTD. | $1.7M | 1.1% | -15% | — | |
| 11 | ACM Research, Inc. | $1.7M | 1.0% | +0% | 54.1 | |
| 12 | Arista Networks, Inc. | $1.7M | 1.0% | +0% | 81.9 | |
| 13 | — | iShares iBoxx $ Investment Grade Corporate Bond - IBOXX INV CP ETF | $1.6M | 1.0% | +7% | — |
| 14 | WESCO INTERNATIONAL INC | $1.6M | 1.0% | +0% | 48.8 | |
| 15 | FTAI Aviation Ltd. | $1.6M | 1.0% | +0% | — | |
| 16 | CECO ENVIRONMENTAL CORP | $1.6M | 1.0% | +33% | 24.7 | |
| 17 | MUELLER INDUSTRIES INC | $1.5M | 0.9% | -14% | 68.7 | |
| 18 | RBC Bearings INC | $1.3M | 0.8% | +0% | 66.8 | |
| 19 | Bloom Energy Corp | $1.3M | 0.8% | NEW | 66.2 | |
| 20 | Axsome Therapeutics, Inc. | $1.2M | 0.7% | +35% | 40.8 | |
| 21 | DYCOM INDUSTRIES INC | $1.2M | 0.7% | +58% | 56.3 | |
| 22 | Woodward, Inc. | $1.2M | 0.7% | +0% | 67.3 | |
| 23 | CAMTEK LTD | $1.1M | 0.7% | +0% | — | |
| 24 | Applied Digital Corp. | $1.1M | 0.7% | +0% | 35.8 | |
| 25 | SEMTECH CORP | $1.1M | 0.7% | NEW | 55.9 | |
| 26 | MODINE MANUFACTURING CO | $1.1M | 0.7% | +0% | 56.2 | |
| 27 | Interactive Brokers Group, Inc. | $1.1M | 0.7% | +0% | 77 | |
| 28 | FirstCash Holdings, Inc. | $1.1M | 0.7% | +0% | 69.2 | |
| 29 | Xometry, Inc. | $1.1M | 0.7% | +0% | 48.3 | |
| 30 | CURTISS WRIGHT CORP | $1.1M | 0.7% | +0% | 69.5 | |
| 31 | AXON ENTERPRISE, INC. | $1.1M | 0.6% | -29% | 56.6 | |
| 32 | SPX Technologies, Inc. | $1.0M | 0.6% | +57% | 69.2 | |
| 33 | Datadog, Inc. | $1.0M | 0.6% | +0% | 71.4 | |
| 34 | DIGI INTERNATIONAL INC | $1.0M | 0.6% | +0% | 60.7 | |
| 35 | Liquidia Corp | $1.0M | 0.6% | NEW | 78.3 | |
| 36 | IonQ, Inc. | $995,962 | 0.6% | +167% | 30.2 | |
| 37 | Installed Building Products, Inc. | $988,312 | 0.6% | +48% | 56.2 | |
| 38 | RAYMOND JAMES FINANCIAL INC | $980,594 | 0.6% | +0% | 66.3 | |
| 39 | — | iShares Preferred and Income Securities ETF - PFD AND INCM SEC | $975,680 | 0.6% | +0% | — |
| 40 | Lumentum Holdings Inc. | $965,318 | 0.6% | +0% | 44.3 | |
| 41 | Forgent Power Solutions, Inc. | $960,792 | 0.6% | NEW | — | |
| 42 | CASEYS GENERAL STORES INC | $953,748 | 0.6% | +0% | 65 | |
| 43 | Medpace Holdings, Inc. | $953,262 | 0.6% | +0% | 76.2 | |
| 44 | Penumbra Inc | $947,250 | 0.6% | +0% | 67.1 | |
| 45 | HA Sustainable Infrastructure Capital, Inc. | $919,628 | 0.6% | +0% | 43.5 | |
| 46 | MASTEC INC | $915,332 | 0.6% | +0% | 58.8 | |
| 47 | BWX Technologies, Inc. | $914,855 | 0.6% | +0% | 63.9 | |
| 48 | MONOLITHIC POWER SYSTEMS, INC. | $898,534 | 0.6% | +0% | 73.3 | |
| 49 | LifeStance Health Group, Inc. | $895,356 | 0.6% | NEW | 63.4 | |
| 50 | CELESTICA INC | $893,760 | 0.6% | +0% | 69.8 | |
| 51 | Performance Food Group Co | $880,905 | 0.5% | +0% | 55.6 | |
| 52 | INSMED Inc | $844,964 | 0.5% | +0% | 39.4 | |
| 53 | Denali Therapeutics Inc. | $825,612 | 0.5% | NEW | — | |
| 54 | HAWKINS INC | $817,075 | 0.5% | +0% | 55.6 | |
| 55 | CIENA CORP | $809,424 | 0.5% | +0% | 72.9 | |
| 56 | LPL Financial Holdings Inc. | $802,788 | 0.5% | +36% | 72.1 | |
| 57 | Rush Street Interactive, Inc. | $800,006 | 0.5% | +0% | 66.4 | |
| 58 | — | iShares iBoxx $ High Yield Corporate Bond ETF - IBOXX HI YD ETF | $799,700 | 0.5% | +0% | — |
| 59 | ALLEGRO MICROSYSTEMS, INC. | $786,706 | 0.5% | +0% | 47.6 | |
| 60 | ESCO TECHNOLOGIES INC | $778,839 | 0.5% | +0% | 70 | |
| 61 | SAIA INC | $774,934 | 0.5% | +0% | 58.2 | |
| 62 | Beam Therapeutics Inc. | $773,916 | 0.5% | NEW | 34.2 | |
| 63 | DigitalOcean Holdings, Inc. | $769,447 | 0.5% | +0% | 67.2 | |
| 64 | GOLD FIELDS LTD | $764,173 | 0.5% | +0% | — | |
| 65 | Fortinet, Inc. | $760,419 | 0.5% | +0% | 80.1 | |
| 66 | TG THERAPEUTICS, INC. | $752,678 | 0.5% | +0% | 69.3 | |
| 67 | Krystal Biotech, Inc. | $743,340 | 0.5% | +0% | 79.2 | |
| 68 | ENSIGN GROUP, INC | $737,380 | 0.5% | +31% | 67.9 | |
| 69 | TD SYNNEX CORP | $721,818 | 0.4% | +0% | 58.4 | |
| 70 | Credo Technology Group Holding Ltd | $720,668 | 0.4% | +0% | 55.1 | |
| 71 | Palo Alto Networks Inc | $712,732 | 0.4% | -77% | 65.5 | |
| 72 | Sezzle Inc. | $677,939 | 0.4% | +0% | 80.1 | |
| 73 | Chefs' Warehouse, Inc. | $677,505 | 0.4% | +0% | 54.7 | |
| 74 | PDF SOLUTIONS INC | $676,045 | 0.4% | +0% | 56.5 | |
| 75 | GRAHAM CORP | $674,656 | 0.4% | +0% | 50 | |
| 76 | Life Time Group Holdings, Inc. | $671,818 | 0.4% | NEW | 60.9 | |
| 77 | PACS Group, Inc. | $665,184 | 0.4% | NEW | 71.2 | |
| 78 | KKR & Co. Inc. | $660,816 | 0.4% | +0% | 54.3 | |
| 79 | CYTOKINETICS INC | $660,223 | 0.4% | +63% | 28.1 | |
| 80 | RAMBUS INC | $657,063 | 0.4% | -29% | 70.2 | |
| 81 | Mirum Pharmaceuticals, Inc. | $655,592 | 0.4% | +120% | 35 | |
| 82 | ITT INC. | $652,608 | 0.4% | +0% | 63 | |
| 83 | Dave Inc./DE | $652,033 | 0.4% | +0% | 80.2 | |
| 84 | UNITED STATES LIME & MINERALS INC | $651,571 | 0.4% | +0% | 66.7 | |
| 85 | Unity Software Inc. | $644,479 | 0.4% | NEW | 38.9 | |
| 86 | ACADIA PHARMACEUTICALS INC | $643,885 | 0.4% | +111% | 67.8 | |
| 87 | FRANKLIN ELECTRIC CO INC | $643,140 | 0.4% | +0% | 52.9 | |
| 88 | Core & Main, Inc. | $641,725 | 0.4% | +0% | 56.4 | |
| 89 | APi Group Corp | $641,603 | 0.4% | +0% | 65.4 | |
| 90 | NEUROCRINE BIOSCIENCES INC | $632,006 | 0.4% | +67% | 76.5 | |
| 91 | Texas Pacific Land Corp | $630,202 | 0.4% | +0% | 73 | |
| 92 | Stock Yards Bancorp, Inc. | $619,407 | 0.4% | +0% | 61.6 | |
| 93 | HALOZYME THERAPEUTICS, INC. | $614,420 | 0.4% | +76% | 77.2 | |
| 94 | Sunbelt Rentals Holdings, Inc. | $613,442 | 0.4% | +0% | 69.8 | |
| 95 | LITHIA MOTORS INC | $610,029 | 0.4% | +0% | 46.5 | |
| 96 | TELEDYNE TECHNOLOGIES INC | $600,210 | 0.4% | +0% | 67.2 | |
| 97 | WESTERN ALLIANCE BANCORPORATION | $591,840 | 0.4% | +95% | 67.5 | |
| 98 | EAGLE MATERIALS INC | $591,750 | 0.4% | +0% | 57 | |
| 99 | Pampa Energy Inc. | $591,336 | 0.4% | +0% | — | |
| 100 | EMBRAER S.A. | $586,960 | 0.4% | +119% | — | |
| 101 | RALPH LAUREN CORP | $586,059 | 0.4% | +109% | 66.3 | |
| 102 | Axos Financial, Inc. | $584,340 | 0.4% | +0% | 60.3 | |
| 103 | AZZ INC | $581,438 | 0.4% | +0% | 58.4 | |
| 104 | Hamilton Insurance Group, Ltd. | $573,586 | 0.3% | +76% | — | |
| 105 | Construction Partners, Inc. | $570,096 | 0.3% | +0% | 67.4 | |
| 106 | CORCEPT THERAPEUTICS INC | $565,175 | 0.3% | NEW | 57.8 | |
| 107 | Kodiak Gas Services, Inc. | $563,475 | 0.3% | +0% | 57 | |
| 108 | HCI Group, Inc. | $560,800 | 0.3% | +78% | 75 | |
| 109 | Hinge Health, Inc. | $556,100 | 0.3% | NEW | 74.9 | |
| 110 | PULTEGROUP INC/MI/ | $548,840 | 0.3% | +0% | 55.3 | |
| 111 | Enova International, Inc. | $541,643 | 0.3% | +0% | 69.9 | |
| 112 | dLocal Ltd | $539,293 | 0.3% | +0% | — | |
| 113 | ARGAN INC | $535,029 | 0.3% | +0% | 81.4 | |
| 114 | SharkNinja, Inc. | $532,945 | 0.3% | +0% | 66.8 | |
| 115 | On Holding AG | $529,529 | 0.3% | +99% | 53.1 | |
| 116 | Twist Bioscience Corp | $524,688 | 0.3% | NEW | 33.9 | |
| 117 | TTM TECHNOLOGIES INC | $523,656 | 0.3% | NEW | 62.6 | |
| 118 | HOULIHAN LOKEY, INC. | $516,401 | 0.3% | +0% | 67.8 | |
| 119 | STIFEL FINANCIAL CORP | $512,810 | 0.3% | +0% | 67 | |
| 120 | RingCentral, Inc. | $508,689 | 0.3% | +0% | 63.5 | |
| 121 | GLOBUS MEDICAL INC | $505,664 | 0.3% | +0% | 79.5 | |
| 122 | BRUKER CORP | $505,512 | 0.3% | NEW | 50.8 | |
| 123 | Oscar Health, Inc. | $496,248 | 0.3% | NEW | 83.1 | |
| 124 | Zurn Elkay Water Solutions Corp | $492,668 | 0.3% | +0% | 59.7 | |
| 125 | CAVCO INDUSTRIES, INC. | $491,504 | 0.3% | +0% | 62.6 | |
| 126 | Ondas Inc. | $488,220 | 0.3% | NEW | 56.4 | |
| 127 | Freedom Holding Corp. | $482,739 | 0.3% | +0% | 55.4 | |
| 128 | Cipher Digital Inc. | $482,650 | 0.3% | +0% | 30.6 | |
| 129 | TYLER TECHNOLOGIES INC | $482,559 | 0.3% | +0% | 64.3 | |
| 130 | Alkermes plc. | $466,316 | 0.3% | NEW | — | |
| 131 | QXO Insulation, LLC | $460,889 | 0.3% | +0% | 56.4 | |
| 132 | RENAISSANCERE HOLDINGS LTD | $459,505 | 0.3% | +0% | — | |
| 133 | Synchrony Financial | $456,300 | 0.3% | +0% | 64 | |
| 134 | HEICO CORP | $455,923 | 0.3% | +0% | 75.5 | |
| 135 | VERACYTE, INC. | $455,158 | 0.3% | NEW | 68.6 | |
| 136 | Riot Platforms, Inc. | $451,770 | 0.3% | NEW | 38.3 | |
| 137 | NCR Atleos Corp | $451,464 | 0.3% | +0% | 51.5 | |
| 138 | KADANT INC | $447,778 | 0.3% | +0% | 55.8 | |
| 139 | Relay Therapeutics, Inc. | $434,072 | 0.3% | NEW | 19.5 | |
| 140 | CLEAN HARBORS INC | $433,188 | 0.3% | +0% | 55.7 | |
| 141 | IREN Ltd | $432,149 | 0.3% | +0% | 46.3 | |
| 142 | VISTEON CORP | $431,564 | 0.3% | NEW | 46 | |
| 143 | Navan, Inc. | $426,526 | 0.3% | NEW | 41.9 | |
| 144 | SOUTHEAST AIRPORT GROUP | $426,313 | 0.3% | +0% | — | |
| 145 | BALCHEM CORP | $422,375 | 0.3% | +0% | 64.5 | |
| 146 | Evolv Technologies Holdings, Inc. | $420,500 | 0.3% | +0% | 56.7 | |
| 147 | TOOTSIE ROLL INDUSTRIES INC | $419,586 | 0.3% | +0% | 52.3 | |
| 148 | Arcutis Biotherapeutics, Inc. | $419,520 | 0.3% | NEW | 62.9 | |
| 149 | Boot Barn Holdings, Inc. | $418,889 | 0.3% | +0% | 62.6 | |
| 150 | Travere Therapeutics, Inc. | $414,713 | 0.3% | NEW | 56.6 |
New Positions (82)
Exited Positions (47)
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