RK Capital Management, LLC
RK Capital Management, LLC reported 21 US-listed holdings worth $1.84 billion in its 13F for the quarter ended 30 June 2026, filed 14 August 2026. Its largest: NVIDIA Corp. (29.0%), Amazon.com Inc. (22.7%) and Sandisk Corp. (13.4%). Against the quarter before, it opened 14 positions, added to 0, trimmed 4 and sold out of 16.
The 14 largest of its 21 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What it did on the quarter
Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held
Opened 14
- NVIDIA Corp. NVDA$533.9 million
- Amazon.com Inc. AMZN$419.2 million
- Sandisk Corp. SNDK$247.2 million
- Alphabet Inc. GOOG$201.4 million
- Microsoft Corp. MSFT$138.0 million
- Marvell Technology, Inc. MRVL$110.2 million
- Broadcom Inc. AVGO$92.2 million
- Oracle Corp. ORCL$79.1 million
and 6 more in the table below
Trimmed 4
- SPDR S&P 500 SPY-9,686 shares · -94%
- United Parcel Service Inc. UPS-1,900 shares · -33%
- Innovator Etfs Trust UNOV-4,504 shares · -7%
- Armada Acquisition Corp. III AACIW-1,100 shares · -0%
Sold out of 16
- Sprott Physical Silver Trust PSLV$12.4 million last quarter
- iShares Russell 2000 ETF IWM$7.6 million last quarter
- Armada Acquisition Corp. III AACI$5.3 million last quarter
- Electronic Arts Inc EA$1.5 million last quarter
- Arcellx Inc. ACLX$1.4 million last quarter
- Citigroup Inc. C$873,257 last quarter
- Procap Finl Inc. BRR$738,215 last quarter
- International Business Machines Corp. IBM$678,692 last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| NVIDIA Corp. NVDA | 2,668,200 | $533.9 million | 28.97% | new |
| Amazon.com Inc. AMZN | 1,759,000 | $419.2 million | 22.75% | new |
| Sandisk Corp. SNDK | 108,700 | $247.2 million | 13.41% | new |
| Alphabet Inc. GOOG | 570,000 | $201.4 million | 10.93% | new |
| Microsoft Corp. MSFT | 370,000 | $138.0 million | 7.49% | new |
| Marvell Technology, Inc. MRVL | 370,000 | $110.2 million | 5.98% | new |
| Broadcom Inc. AVGO | 244,000 | $92.2 million | 5.00% | new |
| Oracle Corp. ORCL | 540,000 | $79.1 million | 4.29% | new |
| Micron Technology Inc. MU | 5,000 | $5.8 million | 0.31% | new |
| Tesla, Inc. TSLA | 10,000 | $4.2 million | 0.23% | new |
| Entrepreneurshares Series Trust XOVR | 154,000 | $3.2 million | 0.18% | new |
| Qxo Inc. QXO | 185,144 | $3.2 million | 0.17% | new |
| Innovator Etfs Trust UNOV | 62,133 | $2.5 million | 0.14% | -4,504 |
| UnitedHealth Group Inc. UNH | 1,600 | $665,008 | 0.04% | new |
| Innovator Etfs Trust NAPR | 10,000 | $625,250 | 0.03% | no change |
| Walt Disney Co. DIS | 6,400 | $616,000 | 0.03% | new |
| SPDR S&P 500 SPY | 577 | $430,886 | 0.02% | -9,686 |
| United Parcel Service Inc. UPS | 3,800 | $408,500 | 0.02% | -1,900 |
| Armada Acquisition Corp. II XRPNW | 166,711 | $141,704 | 0.01% | no change |
| Armada Acquisition Corp. III AACIW | 268,996 | $85,406 | 0.00% | -1,100 |
| Lifezone Metals Limited LZMWS | 18,300 | $7,503 | 0.00% | no change |
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Change is shares against its 13F for the quarter before; the 16 it sold out of are in the box above.Options it reported
| Company | Option | Shares under the options | Value of those shares |
|---|---|---|---|
| SPDR S&P 500 SPY | Puts | 4,790,000 | $3.58 billion |
| SPDR S&P 500 SPY | Calls | 4,780,000 | $3.57 billion |
| NVIDIA Corp. NVDA | Puts | 2,668,200 | $533.9 million |
| Amazon.com Inc. AMZN | Puts | 1,759,000 | $419.2 million |
| Sandisk Corp. SNDK | Puts | 108,700 | $247.2 million |
| Alphabet Inc. GOOG | Puts | 570,000 | $201.4 million |
| Microsoft Corp. MSFT | Puts | 370,000 | $138.0 million |
| Marvell Technology, Inc. MRVL | Puts | 370,000 | $110.2 million |
| Broadcom Inc. AVGO | Puts | 244,000 | $92.2 million |
| Oracle Corp. ORCL | Puts | 540,000 | $79.1 million |
| Micron Technology Inc. MU | Puts | 5,000 | $5.8 million |
| Tesla, Inc. TSLA | Puts | 10,000 | $4.2 million |
| NVIDIA Corp. NVDA | Calls | 20,000 | $4.0 million |
| Entrepreneurshares Series Trust XOVR | Puts | 104,000 | $2.2 million |
14 option lines. A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost; they are not counted in the holdings above.