CastleKnight Management LP
Long book
$2.13B
Q1 2026
Positions
377
Top-10 weight
20%
concentration
Last quarter
+29.9%
SPY +14.8%
Turnover
32%
of book per quarter
Strategy in plain words
auto-generated from filingsCastleKnight Management LP is an institutional manager, running a $2.13B US long book across 377 positions.
The portfolio is broadly diversified across 377 positions (top 10 only 20%). The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: CELESTICA INC, NVIDIA CORP, MARVELL TECHNOLOGY INC, PBF ENERGY INC-CLASS A, MICRON TECHNOLOGY INC.
Over the last 9 quarters its long book ran on average 5.9pp per quarter ahead of the S&P 500, beating the index in 5 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
+3.4%
Q2 2024
+8.3%
Q3 2024
+0.5%
Q4 2024
-14.2%
Q1 2025
+32.8%
Q2 2025
+21.1%
Q3 2025
+1.6%
Q4 2025
+10.2%
Q1 2026
+29.9%
Sector allocation
Technology 27%
Industrials 14%
Financials 9%
Energy 8%
Services media 8%
Other 8%
Materials 7%
Healthcare 5%
Long book by quarter
What does CastleKnight Management own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| CLS CELESTICA INC | Technology | 185.4K | $52.2M | 2.4% | +126.2% |
| NVDA NVIDIA CORP | Technology | 290.7K | $50.7M | 2.4% | +44.6% |
| MRVL MARVELL TECHNOLOGY INC | Technology | 499.7K | $49.5M | 2.3% | -7.9% |
| PBF PBF ENERGY INC-CLASS A | Energy | 1.0M | $49.4M | 2.3% | New |
| MU MICRON TECHNOLOGY INC | Technology | 144.7K | $48.9M | 2.3% | -37.8% |
| CYH COMMUNITY HEALTH SYSTEMS INC | Healthcare | 12.7M | $37.2M | 1.7% | +29.9% |
| SANM SANMINA CORP | Technology | 259.1K | $33.6M | 1.6% | +323.4% |
| CVI CVR ENERGY INC | Energy | 948.4K | $31.9M | 1.5% | New |
| TEN TSAKOS ENERGY NAVIGATION LTD | Industrials | 799.4K | $31.5M | 1.5% | -35.0% |
| NAT NORDIC AMERICAN TANKERS LTD | Industrials | 5.3M | $30.8M | 1.4% | +0.1% |
| MSGS MADISON SQUARE GARDEN SPORTS | Services media | 89.8K | $28.9M | 1.4% | -18.5% |
| TNK TEEKAY TANKERS LTD-CLASS A | Industrials | 390.3K | $28.6M | 1.3% | -32.2% |
| IREN IREN LTD | Financials | 806.2K | $27.6M | 1.3% | +35.3% |
| HUT HUT 8 CORP | Financials | 570.3K | $26.8M | 1.3% | +4.7% |
| GOOGL ALPHABET INC-CL A | Technology | 88.3K | $25.4M | 1.2% | -19.7% |
| SNDK SANDISK CORP | Technology | 37.6K | $23.9M | 1.1% | -60.4% |
| BTDR BITDEER TECHNOLOGIES GROUP-A | Financials | 2.7M | $23.4M | 1.1% | +29.0% |
| AMZN AMAZON.COM INC | Consumer discretionary | 112.2K | $23.4M | 1.1% | +0.9% |
| CG CARLYLE GROUP INC/THE | Financials | 473.0K | $22.9M | 1.1% | +78.2% |
| LXU LSB INDUSTRIES INC | Materials | 1.5M | $22.5M | 1.1% | -53.3% |
| HBM HUDBAY MINERALS INC | Materials | 1.1M | $22.5M | 1.1% | -7.6% |
| 1B2 BITFARMS LTD/CANADA | — | 10.9M | $21.2M | 1.0% | +31.4% |
| INSW INTERNATIONAL SEAWAYS INC | Industrials | 286.8K | $20.9M | 1.0% | +397.5% |
| CRWV COREWEAVE INC-CL A | Technology | 266.1K | $20.6M | 1.0% | +1.4% |
| DHT DHT HOLDINGS INC | Industrials | 1.1M | $20.3M | 0.9% | -5.1% |
| AVGO BROADCOM INC | Technology | 60.6K | $18.8M | 0.9% | +222.3% |
| NFLX NETFLIX INC | Services media | 194.8K | $18.7M | 0.9% | New |
| CF CF INDUSTRIES HOLDINGS INC | Other | 139.3K | $18.1M | 0.8% | New |
| ZD ZIFF DAVIS INC | Communications | 422.5K | $17.7M | 0.8% | +32.6% |
| FRO FRONTLINE PLC | Industrials | 502.0K | $17.5M | 0.8% | New |
| TTAM TITAN AMERICA SA | Materials | 1.1M | $16.8M | 0.8% | +7.0% |
| ADV ADVANTAGE SOLUTIONS INC | Services media | 748.3K | $15.8M | 0.7% | New |
| ASIX ADVANSIX INC | Materials | 631.8K | $15.4M | 0.7% | New |
| AMD ADVANCED MICRO DEVICES | Technology | 74.9K | $15.2M | 0.7% | -2.9% |
| APO APOLLO GLOBAL MANAGEMENT INC | Financials | 129.2K | $14.4M | 0.7% | +629.9% |
| FSK FS KKR CAPITAL CORP | — | 1.4M | $14.2M | 0.7% | +168.4% |
| TLN TALEN ENERGY CORP | Utilities | 44.1K | $14.1M | 0.7% | +42.7% |
| MD PEDIATRIX MEDICAL GROUP INC | Healthcare | 642.0K | $13.7M | 0.6% | +62.1% |
| CRM SALESFORCE INC | Technology | 69.9K | $13.0M | 0.6% | +119.1% |
| CHTR CHARTER COMMUNICATIONS INC-A | Communications | 60.3K | $13.0M | 0.6% | +458.3% |
| COF CAPITAL ONE FINANCIAL CORP | Financials | 66.7K | $12.2M | 0.6% | +60.8% |
| TRMDA TORM PLC-A | — | 432.3K | $12.1M | 0.6% | +113.1% |
| AMKR AMKOR TECHNOLOGY INC | Technology | 251.2K | $11.3M | 0.5% | +44.4% |
| STNG SCORPIO TANKERS INC | Industrials | 142.2K | $10.6M | 0.5% | +343.0% |
| MAT MATTEL INC | Other | 715.4K | $10.4M | 0.5% | +106.5% |
| PTON PELOTON INTERACTIVE INC-A | Other | 2.4M | $10.3M | 0.5% | Held |
| ENR ENERGIZER HOLDINGS INC | Technology | 618.8K | $10.2M | 0.5% | +178.6% |
| MOD MODINE MANUFACTURING CO | Industrials | 45.8K | $9.9M | 0.5% | -86.2% |
| SIRI SIRIUS XM HOLDINGS INC | Communications | 413.7K | $9.5M | 0.4% | +197.6% |
| UAL UNITED AIRLINES HOLDINGS INC | Industrials | 103.7K | $9.5M | 0.4% | +0.2% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 451 | $6.00B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 351 | $4.51B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 453 | $5.08B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 427 | $3.54B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 352 | $2.55B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 375 | $3.42B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 358 | $2.43B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 14, 2024 | 351 | $2.01B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 331 | $1.68B | canonical | SEC ↗ |
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