RK Capital Management, LLC/FL — 13F Holdings & Portfolio
CIK 1905218 · latest 13F-HR filed 2026-08-14
RK Capital Management, LLC/FL manages $10.83B in 13F-reported U.S. long-equity assets across 35 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SPY (33.04%), SPY (32.97%), NVDA (4.93%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 14 new positions and exited 16; 3 existing positions rose in reported value and 3 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-08-14
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
4 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 99.4%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Mar 30, 2026.
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| Abisch, Jordan, Robert Control | MANAGING PARTNER since Mar 2016 | 75% or more | Individual |
| Ferrari, John Control | CCO/COO since Feb 2025 | Less than 5% | Individual |
Ownership & leadership changes · 2 filings with changes since Apr 6, 2021
From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.
- AddedFerrari, John · CCO/COO · Less than 5% · control person
- ChangedAbisch, Jordan, Robert · title MANAGING PARTNER/CCO → MANAGING PARTNER
- ChangedAbisch, Jordan, Robert · title MANAGING PARTNER → MANAGING PARTNER/CCO
- ListedAbisch, Jordan, Robert · MANAGING PARTNER · 75% or more · control person
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- INNOVATOR ETFS TRUST$61.6K +10.9%
- ARMADA ACQUISITION CORP II$41.7K +41.7%
- ARMADA ACQUISITION CORP III$16.5K +23.9%
Top Trims
- STATE STR SPDR S&P 500 ETF T-$6.2M -93.5%
- UNITED PARCEL SVCS INC-$152.3K -27.2%
- LIFEZONE METALS LIMITED-$1.6K -18.0%
New Positions
- NVIDIA CORPORATION$533.9M
- AMAZON COM INC$419.2M
- SANDISK CORP$247.2M
- ALPHABET INC$201.4M
- MICROSOFT CORP$138.0M
Exited Positions
- SPROTT ASSET MANAGEMENT LP$12.4M
- ISHARES TR$7.6M
- ARMADA ACQUISITION CORP III$5.3M
- ELECTRONIC ARTS INC$1.5M
- ARCELLX INC$1.4M
RK Capital Management, LLC/FL Holdings (2026-06-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | STATE STR SPDR S&P 500 ETF T Put | SPY | 78462F103 | $3.58B | 33.04% | 4,790,000 | SH |
| 2 | STATE STR SPDR S&P 500 ETF T Call | SPY | 78462F103 | $3.57B | 32.97% | 4,780,000 | SH |
| 3 | NVIDIA CORPORATION | NVDA | 67066G104 | $533.9M | 4.93% | 2,668,200 | SH |
| 4 | NVIDIA CORPORATION Put | NVDA | 67066G104 | $533.9M | 4.93% | 2,668,200 | SH |
| 5 | AMAZON COM INC | AMZN | 023135106 | $419.2M | 3.87% | 1,759,000 | SH |
| 6 | AMAZON COM INC Put | AMZN | 023135106 | $419.2M | 3.87% | 1,759,000 | SH |
| 7 | SANDISK CORP Put | SNDK | 80004C200 | $247.2M | 2.28% | 108,700 | SH |
| 8 | SANDISK CORP | SNDK | 80004C200 | $247.2M | 2.28% | 108,700 | SH |
| 9 | ALPHABET INC | GOOG | 02079K107 | $201.4M | 1.86% | 570,000 | SH |
| 10 | ALPHABET INC Put | GOOG | 02079K107 | $201.4M | 1.86% | 570,000 | SH |
| 11 | MICROSOFT CORP | MSFT | 594918104 | $138.0M | 1.27% | 370,000 | SH |
| 12 | MICROSOFT CORP Put | MSFT | 594918104 | $138.0M | 1.27% | 370,000 | SH |
| 13 | MARVELL TECHNOLOGY INC | MRVL | 573874104 | $110.2M | 1.02% | 370,000 | SH |
| 14 | MARVELL TECHNOLOGY INC Put | MRVL | 573874104 | $110.2M | 1.02% | 370,000 | SH |
| 15 | BROADCOM INC | AVGO | 11135F101 | $92.2M | 0.85% | 244,000 | SH |
| 16 | BROADCOM INC Put | AVGO | 11135F101 | $92.2M | 0.85% | 244,000 | SH |
| 17 | ORACLE CORP Put | ORCL | 68389X105 | $79.1M | 0.73% | 540,000 | SH |
| 18 | ORACLE CORP | ORCL | 68389X105 | $79.1M | 0.73% | 540,000 | SH |
| 19 | MICRON TECHNOLOGY INC | MU | 595112103 | $5.8M | 0.05% | 5,000 | SH |
| 20 | MICRON TECHNOLOGY INC Put | MU | 595112103 | $5.8M | 0.05% | 5,000 | SH |
| 21 | TESLA INC Put | TSLA | 88160R101 | $4.2M | 0.04% | 10,000 | SH |
| 22 | TESLA INC | TSLA | 88160R101 | $4.2M | 0.04% | 10,000 | SH |
| 23 | NVIDIA CORPORATION Call | NVDA | 67066G104 | $4.0M | 0.04% | 20,000 | SH |
| 24 | ENTREPRENEURSHARES SERIES TR | XOVR | 293828877 | $3.2M | 0.03% | 154,000 | SH |
| 25 | QXO INC | QXO | 82846H405 | $3.2M | 0.03% | 185,144 | SH |
| 26 | INNOVATOR ETFS TRUST | UNOV | 45782C565 | $2.5M | 0.02% | 62,133 | SH |
| 27 | ENTREPRENEURSHARES SERIES TR Put | XOVR | 293828877 | $2.2M | 0.02% | 104,000 | SH |
| 28 | UNITEDHEALTH GROUP INC | UNH | 91324P102 | $665.0K | 0.01% | 1,600 | SH |
| 29 | INNOVATOR ETFS TRUST | NAPR | 45782C334 | $625.2K | 0.01% | 10,000 | SH |
| 30 | DISNEY WALT CO | DIS | 254687106 | $616.0K | 0.01% | 6,400 | SH |
| 31 | STATE STR SPDR S&P 500 ETF T | SPY | 78462F103 | $430.9K | 0.00% | 577 | SH |
| 32 | UNITED PARCEL SVCS INC | UPS | 911312106 | $408.5K | 0.00% | 3,800 | SH |
| 33 | ARMADA ACQUISITION CORP II | XRPNW | G0R38G112 | $141.7K | 0.00% | 166,711 | SH |
| 34 | ARMADA ACQUISITION CORP III | AACIW | G0R38M119 | $85.4K | 0.00% | 268,996 | SH |
| 35 | LIFEZONE METALS LIMITED | LZM.WS | G5568L117 | $7.5K | 0.00% | 18,300 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $10.83B | 35 | 0001214659-26-010174 |
| 2026-03-31 | 2026-05-13 | $2.60B | 25 | 0001214659-26-006021 |
| 2025-12-31 | 2026-02-17 | $3.83B | 32 | 0001214659-26-001830 |
| 2025-09-30 | 2025-11-13 | $12.82B | 19 | 0001214659-25-016374 |
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