CIK: 0000877338 · Show all filings
Period: Q1 2023 (← Previous) (Next →)
Filing Date: May 11, 2023
Total Value ($000): $945,669 (100.0% shares, 0.0% debt)
| Ticker | Issuer | Shares | Value ($000) | % | Est. Cost | Unrealized | Class | CUSIP |
|---|---|---|---|---|---|---|---|---|
| BRK/A | BERKSHIRE HATHAWAY INC DEL | 261 | $121,522 | 12.9% | $165023.42 | +182.9% | CL A | 084670108 |
| GLD | SPDR GOLD TR | 552,178 | $101,170 | 10.7% | $157.09 | — | GOLD SHS | 78463V107 |
| GLD | SPDR GOLD TR | 392,000 | $71,822 | 7.6% | $157.09 | — | Put | 78463V107 |
| MU | MICRON TECHNOLOGY INC | 875,509 | $52,828 | 5.6% | $56.13 | +2.9% | COM | 595112103 |
| DXCM | DEXCOM INC | 425,600 | $49,446 | 5.2% | $111.94 | 0.0% | Put | 252131107 |
| ON | ON SEMICONDUCTOR CORP | 560,000 | $46,099 | 4.9% | — | — | Put | 682189105 |
| BRK/B | BERKSHIRE HATHAWAY INC DEL | 123,605 | $38,166 | 4.0% | $302.38 | +1.9% | CL B NEW | 084670702 |
| CTVA | CORTEVA INC | 500,000 | $30,155 | 3.2% | $40.75 | +45.1% | COM | 22052L104 |
| COST | COSTCO WHSL CORP NEW | 50,746 | $25,214 | 2.7% | $87.08 | +441.2% | COM | 22160K105 |
| MU | MICRON TECHNOLOGY INC | 400,000 | $24,136 | 2.6% | $56.13 | +2.9% | Call | 595112103 |
| NVDA | NVIDIA CORPORATION | 84,492 | $23,469 | 2.5% | $18.32 | +18.0% | COM | 67066G104 |
| COP | CONOCOPHILLIPS | 235,119 | $23,326 | 2.5% | $66.71 | +49.2% | COM | 20825C104 |
| CAT | CATERPILLAR INC | 100,000 | $22,884 | 2.4% | — | — | Put | 149123101 |
| GDX | VANECK ETF TRUST | 699,100 | $22,616 | 2.4% | $29.19 | — | GOLD MINERS ETF | 92189F106 |
| AMZN | AMAZON COM INC | 195,080 | $20,150 | 2.1% | $111.08 | -13.0% | COM | 023135106 |
| MU | MICRON TECHNOLOGY INC | 300,000 | $18,102 | 1.9% | $56.13 | +2.9% | Put | 595112103 |
| GOOGL | ALPHABET INC | 161,980 | $16,802 | 1.8% | $103.79 | -8.3% | CAP STK CL A | 02079K305 |
| BRK/B | BERKSHIRE HATHAWAY INC DEL | 50,000 | $15,439 | 1.6% | $302.38 | +1.9% | Put | 084670702 |
| XBI | SPDR SER TR | 200,000 | $15,242 | 1.6% | $75.24 | — | S&P BIOTECH | 78464A870 |
| FCX | FREEPORT-MCMORAN INC | 316,076 | $12,931 | 1.4% | $30.35 | +31.7% | CL B | 35671D857 |
| TJX | TJX COS INC NEW | 150,923 | $11,826 | 1.3% | $32.65 | +131.7% | COM | 872540109 |
| UBER | UBER TECHNOLOGIES INC | 366,544 | $11,619 | 1.2% | $43.92 | -27.8% | COM | 90353T100 |
| DXCM | DEXCOM INC | 100,000 | $11,618 | 1.2% | $111.94 | 0.0% | Call | 252131107 |
| KNX | KNIGHT-SWIFT TRANSN HLDGS IN | 200,000 | $11,316 | 1.2% | $35.81 | +53.9% | CL A | 499049104 |
| — | ARISTA NETWORKS INC | 66,700 | $11,196 | 1.2% | $132.99 | — | COM | 040413106 |
| FE | FIRSTENERGY CORP | 278,962 | $11,175 | 1.2% | $26.78 | +33.9% | COM | 337932107 |
| RHP | RYMAN HOSPITALITY PPTYS INC | 124,195 | $11,144 | 1.2% | $44.70 | — | COM | 78377T107 |
| COUR | COURSERA INC | 900,000 | $10,368 | 1.1% | $19.79 | -34.6% | COM | 22266M104 |
| ATI | ATI INC | 200,000 | $7,892 | 0.8% | $14.32 | +163.7% | COM | 01741R102 |
| WMT | WALMART INC | 51,768 | $7,633 | 0.8% | $19.98 | +129.2% | COM | 931142103 |
| RGNX | REGENXBIO INC | 396,997 | $7,507 | 0.8% | $36.20 | -38.9% | COM | 75901B107 |
| GDX | VANECK ETF TRUST | 200,000 | $6,470 | 0.7% | $29.19 | — | Call | 92189F106 |
| KMX | CARMAX INC | 100,000 | $6,428 | 0.7% | $64.20 | +4.3% | COM | 143130102 |
| LAMR | LAMAR ADVERTISING CO NEW | 55,110 | $5,505 | 0.6% | $53.69 | — | CL A | 512816109 |
| TDOC | TELADOC HEALTH INC | 200,000 | $5,180 | 0.5% | — | — | Put | 87918A105 |
| MPC | MARATHON PETE CORP | 37,378 | $5,040 | 0.5% | $44.61 | +163.6% | COM | 56585A102 |
| UBER | UBER TECHNOLOGIES INC | 150,000 | $4,755 | 0.5% | $43.92 | -27.8% | Put | 90353T100 |
| CHTR | CHARTER COMMUNICATIONS INC N | 13,000 | $4,649 | 0.5% | $351.41 | +6.3% | CL A | 16119P108 |
| WTFC | WINTRUST FINL CORP | 60,900 | $4,443 | 0.5% | $85.51 | 0.0% | COM | 97650W108 |
| MCHP | MICROCHIP TECHNOLOGY INC. | 50,000 | $4,189 | 0.4% | — | — | Put | 595017104 |
| TDOC | TELADOC HEALTH INC | 150,000 | $3,885 | 0.4% | — | — | Call | 87918A105 |
| CHWY | CHEWY INC | 100,000 | $3,738 | 0.4% | — | — | Put | 16679L109 |
| — | SPIRIT AEROSYSTEMS HLDGS INC | 100,000 | $3,453 | 0.4% | $29.60 | — | COM CL A | 848574109 |
| RRC | RANGE RES CORP | 123,564 | $3,271 | 0.3% | $9.71 | +159.2% | COM | 75281A109 |
| BMRN | BIOMARIN PHARMACEUTICAL INC | 30,953 | $3,010 | 0.3% | $87.57 | +18.4% | COM | 09061G101 |
| CLF | CLEVELAND-CLIFFS INC NEW | 151,500 | $2,777 | 0.3% | $15.06 | +31.5% | COM | 185899101 |
| — | HAWAIIAN HOLDINGS INC | 267,021 | $2,446 | 0.3% | $25.13 | — | COM | 419879101 |
| — | ASA GOLD AND PRECIOUS MTLS L | 122,351 | $1,961 | 0.2% | $12.70 | — | SHS | G3156P103 |
| — | FISKER INC | 300,000 | $1,842 | 0.2% | — | — | Call | 33813J106 |
| KRE | SPDR SER TR | 40,000 | $1,754 | 0.2% | $43.86 | — | S&P REGL BKG | 78464A698 |
| CVNA | CARVANA CO | 150,000 | $1,469 | 0.2% | — | — | Call | 146869102 |
| NTLA | INTELLIA THERAPEUTICS INC | 26,646 | $993 | 0.1% | $24.23 | +61.9% | COM | 45826J105 |
| CRSP | CRISPR THERAPEUTICS AG | 18,876 | $854 | 0.1% | $56.97 | -14.7% | NAMEN AKT | H17182108 |
| WVE | WAVE LIFE SCIENCES LTD | 192,722 | $834 | 0.1% | $11.04 | -58.5% | SHS | Y95308105 |
| MPT | MEDICAL PPTYS TRUST INC | 100,000 | $822 | 0.1% | $11.14 | — | COM | 58463J304 |
| RARE | ULTRAGENYX PHARMACEUTICAL IN | 15,885 | $637 | 0.1% | $64.59 | -33.6% | COM | 90400D108 |
| EDIT | EDITAS MEDICINE INC | 28,797 | $209 | 0.0% | $35.41 | -74.9% | COM | 28106W103 |
| SLN | SILENCE THERAPEUTICS PLC | 25,000 | $155 | 0.0% | $11.84 | — | ADS | 82686Q101 |
| — | AFFIMED N V | 100,000 | $75 | 0.0% | $2.77 | — | COM | N01045108 |
| DXCM | DEXCOM INC | 100 | $12 | 0.0% | $111.94 | 0.0% | COM | 252131107 |