RK Capital Management, LLC
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 13, 2025), RK Capital Management, LLC reported 13 stock positions worth $64.6 million. Its top holding was SS SPDR S&P 500 ETF Trust-US (SPY) at 42.0% of the portfolio, followed by Innovator U.S. Equity Power (PFEB, 19.9%) and Nakamoto (NAKA, 15.9%). Compared with Q2 2025, it opened 6 new positions, sold out of 6 and reduced 2. The biggest buy was a new position in Nakamoto (NAKA) and the biggest sale Proshares Bitcoin ETF-Usd (BITO, shares −94%).
- Most Recent 13F
- Q2 2026
- Location
- Weston, FL
- CIK
- 0001905218
- Portfolio Value
- $64.6M (Q3 2025)
- SEC Filing
- 0001214659-25-016374 ↗ filed Nov 13, 2025
Holdings Value
Holdings 13 stocks · $64.6M
| SPY SS SPDR S&P 500 ETF Trust-US | 42.02% | 40,767 | $27.2M | No change |
| PFEB Innovator U.S. Equity Power | 19.90% | 324,093 | $12.9M | No change |
| NAKA Nakamoto Inc. filed as KINDLY MD INC | 15.87% | 9,585,080 | $10.3M | New |
| UNOV Innovator U.S. Equity Ultra | 6.21% | 107,130 | $4.0M | No change |
| RNAM Avidity Biosciences Inc. | 3.95% | 58,600 | $2.6M | New |
| EMPD Empery Digital Inc. | 3.26% | 280,500 | $2.1M | New |
| SUIG Sui Group Holdings Ltd. | 1.74% | 290,721 | $1.1M | New |
| TMS Teamshares Inc. filed as LIVE OAK ACQUISITION CORP V | 1.61% | 101,900 | $1.0M | No change |
| BITO Proshares Bitcoin ETF-Usd | 1.55% | 50,900 | $1.0M | Reduce -93.9% |
| BZAI Blaize Holdings Inc. | 1.31% | 244,777 | $844K | New |
| MCGA Yorkville Acquisition Corp. Class A | 1.20% | 72,908 | $777K | New |
| NOCT Innovator Growth-100 Power B | 0.88% | 10,000 | $568K | No change |
| DJT Trump Media & Technology Gro | 0.50% | 19,490 | $320K | Reduce -61.8% |
Options reported separately and not counted above: SPY puts ($6.4B), SPY calls ($6.4B), DFDV puts ($6.8M), RNAM puts ($1.7M).
Other holdings (2): bonds, preferreds, convertibles and warrants · $16K (not counted above)
Total filed on the 13F, all lines: $64.6M.
Portfolio Sells Q2 2025 → Q3 2025
| BITO Proshares Bitcoin ETF-Usd | Reduce -93.9% | 1.55% | −20.46 |
| RTACU Renatus Tactical Acquisition | Sold out | 0.00% | −12.11 |
| SKX Skechers USA Inc. Class A | Sold out | 0.00% | −7.75 |
| DFDV Defi Development Corp. | Sold out | 0.00% | −2.72 |
| TKO Tko Group Holdings Inc. | Sold out | 0.00% | −0.85 |
| DJT Trump Media & Technology Gro | Reduce -61.8% | 0.50% | −0.63 |
| MO Altria Group Inc. | Sold out | 0.00% | −0.33 |
| ET Energy Transfer LP | Sold out | 0.00% | −0.31 |
Portfolio Buys Q2 2025 → Q3 2025
Options Activity Q2 2025 → Q3 2025
| SPY SS SPDR S&P 500 ETF Trust-US | put | Add +21.8% | 9,580,500 | $6.4B |
| SPY SS SPDR S&P 500 ETF Trust-US | call | Add +21.8% | 9,550,000 | $6.4B |
| DFDV Defi Development Corp. | put | Add +1477.1% | 441,600 | $6.8M |
| RNAM Avidity Biosciences Inc. | put | New | 38,600 | $1.7M |
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
Notes & Other Activity Q2 2025 → Q3 2025
| DISTR Distoken Acquisition Corp. | RIGHT 99/99/9999 | Sold out | 250,000 | $73Kbefore exit |
Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 18 | $1.8B | NVDA, AMZN, SNDK, GOOG, MSFT |
| Q1 2026 | 20 | $43.3M | PSLV, IWM, SPY, AACI, UNOV |
| Q4 2025 | 18 | $1.6B | NVDA, TSLA, AMZN, AVGO, AMD |
| Q3 2025 | 13 | $64.6M | SPY, PFEB, NAKA, UNOV, RNAM |
| Q2 2025 | 13 | $81.5M | SPY, BITO, PFEB, RTACU, SKX |
| Q1 2025Amended | 11 | $105.4M | NVDA, SPY, TSLA, PFEB, BITO |
| Q4 2024Amended | 10 | $1.2B | NVDA, GOOG, AMD, AAPL, IBIT |
| Q3 2024Amended | 11 | $97.6M | BITO, SPY, BLK, QQQ, MO |
| Q2 2024Amended | 16 | $95.7M | BITO, HYG, SPY, ET, PFTA |
| Q1 2024Amended | 5 | $82.3M | BITO, SPY, FLG, SGRY, CLMT |