CastleKnight Management LP
CastleKnight Management LP, managed by Aaron Weitman, reported 401 positions worth $2.74B in its 2026 Q2 13F filing: 67 new and 45 closed.
Estimated return
Since 2025 Q2 the disclosed positions returned an estimated +241.0% against +34.4% for the S&P 500. Price-only return of the fund's top 100 US longs at each quarter start, vs the S&P 500 over the same windows. Not the fund's actual return (no trades, fees, shorts, derivatives, cash).
| Quarter | Fund | S&P 500 |
|---|---|---|
| 2025 Q2 | +36.5% | +11.4% |
| 2025 Q3 | +52.8% | +7.6% |
| 2025 Q4 | +1.8% | +3.1% |
| 2026 Q1 | +12.1% | -5.8% |
| 2026 Q2 | +43.2% | +15.5% |
Top holdings, 2026 Q2
| Ticker | Company | Value | Portfolio % | Change |
|---|---|---|---|---|
| IREN | IREN LIMITED | $54.02M | 2.00% | +46.5% |
| CLS | CELESTICA INC | $52.90M | 1.90% | -21.8% |
| NVDA | NVIDIA CORPORATION | $52.48M | 1.90% | -9.8% |
| PBF | PBF ENERGY INC | $51.20M | 1.90% | +8.3% |
| CYH | COMMUNITY HEALTH SYS INC NEW | $44.70M | 1.60% | +5.7% |
| INSW | INTERNATIONAL SEAWAYS INC | $44.49M | 1.60% | +102.5% |
| BTDR | BITDEER TECHNOLOGIES GROUP | $44.02M | 1.60% | +2.6% |
| NXPI | NXP SEMICONDUCTORS N V | $41.85M | 1.50% | NEW |
| AMZN | AMAZON COM INC | $40.54M | 1.50% | +51.6% |
| GOOGL | ALPHABET INC | $40.10M | 1.50% | +27.1% |
| NAT | NORDIC AMERICAN TANKERS LIMI | $39.73M | 1.40% | +36.3% |
| CRWV | COREWEAVE INC | $38.47M | 1.40% | +45.2% |
| DHT | DHT HOLDINGS INC | $37.06M | 1.40% | +102.3% |
| KEEL | KEEL INFRASTRUCTURE CORP | $36.56M | 1.30% | +72.1% |
| HBM | HUDBAY MINERALS INC | $35.90M | 1.30% | +41.2% |
| STRZ | STARZ ENTERTAINMENT CORP. | $35.87M | 1.30% | +57.2% |
| FRO | FRONTLINE PLC | $32.83M | 1.20% | +88% |
| ASIX | ADVANSIX INC | $31.62M | 1.20% | +151.7% |
| META | META PLATFORMS INC | $31.54M | 1.10% | +529.2% |
| ZD | ZIFF DAVIS INC | $31.23M | 1.10% | +41.1% |
| AVGO | BROADCOM INC | $30.98M | 1.10% | +35.3% |
| FRMI | FERMI INC | $30.15M | 1.10% | +2043.2% |
| TSM | TAIWAN SEMICONDUCTOR MANUFAC | $28.51M | 1.00% | +0.3% |
| MSGS | MADISON SQUARE GRDN SPRT COR | $28.39M | 1.00% | -21.4% |
| TEN | TSAKOS ENERGY NAVIGATION LTD | $28.28M | 1.00% | +0% |
| LFTO | LIFTOFF MOBILE INC | $27.16M | 0.99% | NEW |
| MU | MICRON TECHNOLOGY INC | $25.63M | 0.93% | -84.7% |
| TNK | TEEKAY TANKERS LTD | $25.37M | 0.92% | +0.2% |
| ADV | ADVANTAGE SOLUTIONS INC | $25.14M | 0.92% | -22.3% |
| TRMD | TORM PLC | $24.75M | 0.90% | +119.7% |
| TBT | PROSHARES TR | $24.69M | 0.90% | +3.2% |
| TTAM | TITAN AMER SA | $24.60M | 0.90% | +17.4% |
| ERO | ERO COPPER CORP | $24.35M | 0.89% | +970.8% |
| CVI | CVR ENERGY INC | $24.14M | 0.88% | -7.6% |
| ENR | ENERGIZER HLDGS INC | $24.06M | 0.88% | +81.3% |
| CG | CARLYLE GROUP INC | $21.88M | 0.80% | +9.9% |
| SIMO | SILICON MOTION TECHNOLOGY CO | $20.49M | 0.75% | -81% |
| TLN | TALEN ENERGY CORP | $20.37M | 0.74% | +20.2% |
| INGM | INGRAM MICRO HLDG CORP | $20.24M | 0.74% | +126.6% |
| DXC | DXC TECHNOLOGY CO | $19.23M | 0.70% | +246.5% |
| AMCX | AMC GLOBAL MEDIA INC | $18.35M | 0.67% | +65.7% |
| STNG | SCORPIO TANKERS INC | $17.97M | 0.66% | +82.5% |
| SANM | SANMINA CORP | $16.93M | 0.62% | -74.2% |
| HELE | HELEN OF TROY LTD | $16.57M | 0.60% | -9.5% |
| ON | ON SEMICONDUCTOR CORP | $16.22M | 0.59% | +586.4% |
| LXU | LSB INDS INC | $16.15M | 0.59% | -1.3% |
| ARCB | ARCBEST CORP | $16.09M | 0.59% | +138.5% |
| SKM | SK TELECOM CO LTD | $15.76M | 0.57% | NEW |
| DINO | HF SINCLAIR CORP | $15.72M | 0.57% | +117.2% |
| WIX | WIX COM LTD | $15.70M | 0.57% | NEW |
All funds · Hedge Fund Tracker
Source: SEC EDGAR 13F filings, reported as of quarter end and filed up to 45 days later. Not investment advice.