CastleKnight Management LP: 13F holdings, Q2 2026
Hedge fund · SEC EDGAR filings (CIK 1835751) · Explore on the interactive board
CastleKnight Management LP disclosed 402 US equity positions worth $2.7bn in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 14, 2026). Its largest position is IREN at 2.0% of the reported book, followed by CLS, NVDA. The top ten holdings are 17.0% of the book, and the portfolio behaves like about 128 equal-weight positions. Versus the prior filing it opened 71 new positions, added to 104, reduced 98 and exited 25. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does CastleKnight Management LP own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 71 new, 104 added, 98 reduced, 25 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | IREN IREN LIMITED | Financial Services | 2.0% | $54.0m | 1,181,175 | 47% | added |
| 2 | CLS CELESTICA INC | Technology | 1.9% | $52.9m | 145,015 | -22% | reduced |
| 3 | NVDA NVIDIA CORPORATION | Technology | 1.9% | $52.5m | 262,300 | -10% | reduced |
| 4 | PBF PBF ENERGY INC | Energy | 1.9% | $51.2m | 1,124,676 | 8% | added |
| 5 | CYH COMMUNITY HEALTH SYS INC NEW | Healthcare | 1.6% | $44.7m | 13,384,586 | 6% | added |
| 6 | INSW INTERNATIONAL SEAWAYS INC | Energy | 1.6% | $44.5m | 580,911 | 103% | added |
| 7 | BTDR BITDEER TECHNOLOGIES GROUP | Technology | 1.6% | $44.0m | 2,773,910 | 3% | added |
| 8 | NXPI NXP SEMICONDUCTORS N V | Technology | 1.5% | $41.8m | 148,900 | – | new |
| 9 | AMZN AMAZON COM INC | Consumer Cyclical | 1.5% | $40.5m | 170,090 | 52% | added |
| 10 | GOOGL ALPHABET INC | Communication Services | 1.5% | $40.1m | 112,200 | 27% | added |
| 11 | NORDIC AMERICAN TANKERS LIMI | 1.4% | $39.7m | 7,172,359 | 36% | added | |
| 12 | CRWV COREWEAVE INC | Technology | 1.4% | $38.5m | 386,500 | 45% | added |
| 13 | DHT DHT HOLDINGS INC | Energy | 1.4% | $37.1m | 2,242,216 | 102% | added |
| 14 | KEEL KEEL INFRASTRUCTURE CORP | Technology | 1.3% | $36.6m | 6,369,661 | – | new |
| 15 | HBM HUDBAY MINERALS INC | Basic Materials | 1.3% | $35.9m | 1,522,100 | 41% | added |
| 16 | STRZ STARZ ENTERTAINMENT CORP. | 1.3% | $35.9m | 1,242,780 | 57% | added | |
| 17 | FRO FRONTLINE PLC | Energy | 1.2% | $32.8m | 943,700 | 88% | added |
| 18 | ASIX ADVANSIX INC | Basic Materials | 1.2% | $31.6m | 1,590,318 | 152% | added |
| 19 | META META PLATFORMS INC | Communication Services | 1.1% | $31.5m | 56,000 | 529% | added |
| 20 | ZD ZIFF DAVIS INC | Communication Services | 1.1% | $31.2m | 596,254 | 41% | added |
| 21 | AVGO BROADCOM INC | Technology | 1.1% | $31.0m | 82,000 | 35% | added |
| 22 | FRMI FERMI INC | Real Estate | 1.1% | $30.2m | 3,292,022 | 2043% | added |
| 23 | TSM TAIWAN SEMICONDUCTOR MANUFAC | Technology | 1.0% | $28.5m | 59,700 | 0% | held |
| 24 | MSGS MADISON SQUARE GRDN SPRT COR | Communication Services | 1.0% | $28.4m | 70,639 | -21% | reduced |
| 25 | TSAKOS ENERGY NAVIGATION LTD | 1.0% | $28.3m | 799,594 | 0% | held | |
| 26 | LFTO LIFTOFF MOBILE INC | 1.0% | $27.2m | 1,130,800 | – | new | |
| 27 | MU MICRON TECHNOLOGY INC | Technology | 0.9% | $25.6m | 22,200 | -85% | reduced |
| 28 | TNK TEEKAY TANKERS LTD | Energy | 0.9% | $25.4m | 391,036 | 0% | held |
| 29 | ADV ADVANTAGE SOLUTIONS INC | 0.9% | $25.1m | 581,347 | -22% | reduced | |
| 30 | TRMD TORM PLC | Energy | 0.9% | $24.7m | 949,724 | 120% | added |
| 31 | TBT PROSHARES TR | 0.9% | $24.7m | 706,549 | 3% | added | |
| 32 | TITAN AMER SA | 0.9% | $24.6m | 1,318,207 | 17% | added | |
| 33 | ERO ERO COPPER CORP | Basic Materials | 0.9% | $24.3m | 910,184 | 971% | added |
| 34 | CVI CVR ENERGY INC | Energy | 0.9% | $24.1m | 876,573 | -8% | reduced |
| 35 | ENR ENERGIZER HLDGS INC | Industrials | 0.9% | $24.1m | 1,122,125 | 81% | added |
| 36 | CG CARLYLE GROUP INC | Financial Services | 0.8% | $21.9m | 519,576 | 10% | added |
| 37 | SIMO SILICON MOTION TECHNOLOGY CO | Technology | 0.7% | $20.5m | 61,475 | -81% | reduced |
| 38 | TLN TALEN ENERGY CORP | Utilities | 0.7% | $20.4m | 53,000 | 20% | added |
| 39 | INGM INGRAM MICRO HLDG CORP | 0.7% | $20.2m | 738,000 | 127% | added | |
| 40 | DXC DXC TECHNOLOGY CO | Technology | 0.7% | $19.2m | 2,172,700 | 246% | added |
| 41 | AMCX AMC GLOBAL MEDIA INC | Communication Services | 0.7% | $18.3m | 1,838,500 | 66% | added |
| 42 | STNG SCORPIO TANKERS INC | Energy | 0.7% | $18.0m | 259,500 | 82% | added |
| 43 | SANM SANMINA CORP | Technology | 0.6% | $16.9m | 66,883 | -74% | reduced |
| 44 | HELE HELEN OF TROY LTD | Consumer Defensive | 0.6% | $16.6m | 569,900 | -9% | reduced |
| 45 | ON ON SEMICONDUCTOR CORP | Technology | 0.6% | $16.2m | 171,600 | 586% | added |
| 46 | LXU LSB INDS INC | Basic Materials | 0.6% | $16.2m | 1,494,391 | -1% | reduced |
| 47 | ARCB ARCBEST CORP | Industrials | 0.6% | $16.1m | 112,095 | 139% | added |
| 48 | SKM SK TELECOM CO LTD | Communication Services | 0.6% | $15.8m | 490,000 | – | new |
| 49 | DINO HF SINCLAIR CORP | Energy | 0.6% | $15.7m | 225,693 | 117% | added |
| 50 | WIX WIX COM LTD | Technology | 0.6% | $15.7m | 346,000 | – | new |
What did CastleKnight Management LP sell? Positions exited since the previous filing
| Stock | Prior weight | Prior value |
|---|---|---|
| 1B2 BITFARMS LTD | 15.4% | $21.2m |
| CHRD CHORD ENERGY CORPORATION | 5.5% | $7.6m |
| OPTU OPTIMUM COMMUNICATIONS INC | 5.1% | $7.1m |
| APA APA CORPORATION | 5.0% | $6.8m |
| CRGY CRESCENT ENERGY COMPANY | 4.9% | $6.8m |
| MTDR MATADOR RES CO | 4.3% | $5.9m |
| NOG NORTHERN OIL & GAS INC | 4.2% | $5.7m |
| DBRG DIGITALBRIDGE GROUP INC | 3.8% | $5.3m |
| SM SM ENERGY COMPANY | 3.8% | $5.3m |
| WTI W & T OFFSHORE INC | 3.8% | $5.2m |
| WYFI WHITEFIBER INC | 3.7% | $5.1m |
| MUR MURPHY OIL CORP | 3.2% | $4.3m |
| INN SUMMIT HOTEL PPTYS | 3.1% | $4.3m |
| MGM MGM RESORTS INTERNATIONAL | 2.9% | $4.0m |
| EXPRO GROUP HOLDINGS NV | 2.4% | $3.3m |
| WEST WESTROCK COFFEE CO | 2.2% | $3.1m |
| SPOT SPOTIFY TECHNOLOGY S A | 2.0% | $2.7m |
| MISTER CAR WASH INC | 1.9% | $2.6m |
| SERVICE PPTYS TR | 1.9% | $2.6m |
| REPX RILEY EXPLORATION PERMIAN IN | 1.8% | $2.5m |
| PRAIRIE OPER CO | 1.6% | $2.2m |
| HPK HIGHPEAK ENERGY INC | 1.5% | $2.1m |
| REI RING ENERGY INC | 1.5% | $2.1m |
| Z ZILLOW GROUP INC | 1.5% | $2.0m |
| PUMP PROPETRO HLDG CORP | 1.4% | $1.9m |
Sector mix
| Sector | Weight |
|---|---|
| Technology | 25.2% |
| Energy | 10.0% |
| Communication Services | 9.9% |
| Consumer Cyclical | 8.7% |
| Basic Materials | 7.7% |
| Industrials | 5.9% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
How concentrated is CastleKnight Management LP's portfolio?
Across every quarter CastleKnight Management LP has filed, its median largest position is 2.2% of the book and its median top-ten weight is 18.4%, which WhaleCreep classifies as diversified (the gate is a median largest position of 5%). Of 47.0 completed holding spells, the median lasted 1.0 quarters; 401.0 positions are still open and their final length is unknown.