Yorktown Management & Research Co Inc
Long book
$119.5M
Q1 2026
Positions
214
Top-10 weight
18%
concentration
Last quarter
+16.5%
SPY +14.8%
Turnover
30%
of book per quarter
Strategy in plain words
auto-generated from filingsYorktown Management & Research Co Inc is an institutional manager, running a $119.5M US long book across 214 positions.
The portfolio is broadly diversified across 214 positions (top 10 only 18%). The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: COMFORT SYSTEMS USA INC, IES HOLDINGS INC, ISHARES CONVERTIBLE BOND ETF, SS SPDR BB CONV SEC ETF, FABRINET.
Over the last 9 quarters its long book ran on average 2pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. Signal value of individual moves is limited — treat changes as weak evidence.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-6.0%
Q2 2024
+4.1%
Q3 2024
+0.6%
Q4 2024
-8.0%
Q1 2025
+13.0%
Q2 2025
+6.6%
Q3 2025
-2.0%
Q4 2025
-2.2%
Q1 2026
+16.5%
Sector allocation
Industrials 27%
Technology 21%
Financials 16%
Healthcare 9%
Consumer discretionary 8%
Services media 8%
Other 6%
Materials 1%
Long book by quarter
What does Yorktown Management own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| FIX COMFORT SYSTEMS USA INC | Industrials | 3.2K | $4.4M | 3.7% | -8.3% |
| IESC IES HOLDINGS INC | Industrials | 6.3K | $3.0M | 2.5% | Held |
| FN FABRINET | Technology | 3.8K | $2.0M | 1.7% | Held |
| NVMI NOVA LTD | Other | 3.8K | $1.6M | 1.4% | +18.1% |
| MLI MUELLER INDUSTRIES INC | Industrials | 14.4K | $1.6M | 1.3% | Held |
| PANW PALO ALTO NETWORKS INC | Technology | 8.9K | $1.4M | 1.2% | New |
| FTAI FTAI AVIATION LTD | Services media | 5.8K | $1.4M | 1.2% | Held |
| KLAC KLA CORP | Other | 890 | $1.3M | 1.1% | Held |
| INSM INSMED INC | Healthcare | 7.9K | $1.3M | 1.1% | -17.4% |
| SNEX STONEX GROUP INC | Financials | 15.8K | $1.3M | 1.1% | +50.0% |
| WCC WESCO INTERNATIONAL INC | Consumer discretionary | 4.5K | $1.2M | 1.0% | Held |
| ANET ARISTA NETWORKS INC | Technology | 9.8K | $1.2M | 1.0% | Held |
| AXON AXON ENTERPRISE INC | Industrials | 2.6K | $1.1M | 0.9% | Held |
| RBC RBC BEARINGS INC | Industrials | 2.0K | $1.1M | 0.9% | Held |
| CAMT CAMTEK LTD | Other | 7.0K | $1.1M | 0.9% | +35.6% |
| PEN PENUMBRA INC | Healthcare | 3.0K | $985K | 0.8% | Held |
| WWD WOODWARD INC | Industrials | 2.8K | $984K | 0.8% | Held |
| BWXT BWX TECHNOLOGIES INC | Industrials | 4.7K | $961K | 0.8% | Held |
| CW CURTISS-WRIGHT CORP | Industrials | 1.4K | $954K | 0.8% | Held |
| RJF RAYMOND JAMES FINANCIAL INC | Financials | 6.5K | $934K | 0.8% | Held |
| FCFS FIRSTCASH HOLDINGS INC | Consumer discretionary | 5.0K | $931K | 0.8% | Held |
| MOD MODINE MANUFACTURING CO | Industrials | 4.2K | $899K | 0.8% | Held |
| HWKN HAWKINS INC | Consumer discretionary | 5.8K | $883K | 0.7% | +11.7% |
| PRIM PRIMORIS SERVICES CORP | Industrials | 6.2K | $880K | 0.7% | Held |
| CASY CASEY'S GENERAL STORES INC | Consumer discretionary | 1.2K | $873K | 0.7% | Held |
| HASI HA SUSTAINABLE INFRASTRUCTUR | Financials | 23.6K | $865K | 0.7% | Held |
| MEDP MEDPACE HOLDINGS INC | Healthcare | 1.8K | $864K | 0.7% | Held |
| IBKR INTERACTIVE BROKERS GRO-CL A | Financials | 12.4K | $832K | 0.7% | Held |
| GH GUARDANT HEALTH INC | Healthcare | 8.8K | $817K | 0.7% | +59.5% |
| USLM UNITED STATES LIME & MINERAL | Materials | 6.2K | $813K | 0.7% | Held |
| LITE LUMENTUM HOLDINGS INC | Technology | 1.1K | $791K | 0.7% | New |
| IBP INSTALLED BUILDING PRODUCTS | Industrials | 2.9K | $769K | 0.6% | Held |
| CECO CECO ENVIRONMENTAL CORP | Industrials | 12.9K | $769K | 0.6% | +33.0% |
| APLD APPLIED DIGITAL CORP | Technology | 30.4K | $721K | 0.6% | Held |
| MPWR MONOLITHIC POWER SYSTEMS INC | Technology | 650 | $711K | 0.6% | Held |
| MTZ MASTEC INC | Industrials | 2.2K | $708K | 0.6% | Held |
| ENSG ENSIGN GROUP INC/THE | Healthcare | 3.5K | $705K | 0.6% | Held |
| CLS CELESTICA INC | Technology | 2.5K | $690K | 0.6% | Held |
| TPL TEXAS PACIFIC LAND CORP | Financials | 1.4K | $683K | 0.6% | Held |
| PFGC PERFORMANCE FOOD GROUP CO | Consumer discretionary | 7.9K | $675K | 0.6% | Held |
| KKR KKR & CO INC | Financials | 7.2K | $666K | 0.6% | Held |
| DGII DIGI INTERNATIONAL INC | Technology | 13.7K | $660K | 0.6% | Held |
| CNM CORE & MAIN INC-CLASS A | Consumer discretionary | 13.3K | $657K | 0.5% | Held |
| SAIA SAIA INC | Industrials | 1.8K | $646K | 0.5% | Held |
| CIEN CIENA CORP | Technology | 1.6K | $641K | 0.5% | Held |
| LPLA LPL FINANCIAL HOLDINGS INC | Financials | 2.1K | $632K | 0.5% | -60.3% |
| ITT ITT INC | Industrials | 3.3K | $629K | 0.5% | Held |
| ESE ESCO TECHNOLOGIES INC | Technology | 2.2K | $626K | 0.5% | +97.8% |
| PARR PAR PACIFIC HOLDINGS INC | Energy | 9.9K | $620K | 0.5% | Held |
| APG API GROUP CORP | Services media | 15.2K | $614K | 0.5% | Held |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | Apr 20, 2026 | 214 | $119.5M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Jan 23, 2026 | 219 | $125.1M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Oct 29, 2025 | 206 | $125.4M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 4, 2025 | 208 | $104.8M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | Apr 23, 2025 | 206 | $92.0M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Jan 27, 2025 | 204 | $104.0M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Oct 25, 2024 | 194 | $97.6M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Jul 30, 2024 | 189 | $93.1M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | Apr 26, 2024 | 217 | $105.1M | canonical | SEC ↗ |
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